[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"skill-anthropic-mcp-builder":3,"mdc-ypiudg-key":38,"related-repo-anthropic-mcp-builder":1306,"related-org-anthropic-mcp-builder":1423},{"slug":4,"name":4,"fn":5,"description":6,"org":7,"tags":12,"stars":26,"repoUrl":27,"updatedAt":28,"license":29,"forks":30,"topics":31,"repo":33,"sourceUrl":36,"mdContent":37},"mcp-builder","build MCP servers","Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. Use when building MCP servers to integrate external APIs or services, whether in Python (FastMCP) or Node\u002FTypeScript (MCP SDK).",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},"anthropic","Anthropic","https:\u002F\u002Fpexgzepcugksgbtrxkhf.supabase.co\u002Fstorage\u002Fv1\u002Fobject\u002Fpublic\u002Forg-logos\u002Fanthropic.png","anthropics",[13,17,20,23],{"name":14,"slug":15,"type":16},"LLM","llm","tag",{"name":18,"slug":19,"type":16},"MCP","mcp",{"name":21,"slug":22,"type":16},"Agents","agents",{"name":24,"slug":25,"type":16},"API Development","api-development",161831,"https:\u002F\u002Fgithub.com\u002Fanthropics\u002Fskills","2026-04-06T17:56:10.357665","Complete terms in LICENSE.txt",19131,[32],"agent-skills",{"repoUrl":27,"stars":26,"forks":30,"topics":34,"description":35},[32],"Public repository for Agent Skills","https:\u002F\u002Fgithub.com\u002Fanthropics\u002Fskills\u002Ftree\u002FHEAD\u002Fskills\u002Fmcp-builder","---\nname: mcp-builder\ndescription: Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. Use when building MCP servers to integrate external APIs or services, whether in Python (FastMCP) or Node\u002FTypeScript (MCP SDK).\nlicense: Complete terms in LICENSE.txt\n---\n\n# MCP Server Development Guide\n\n## Overview\n\nCreate MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. The quality of an MCP server is measured by how well it enables LLMs to accomplish real-world tasks.\n\n---\n\n# Process\n\n## 🚀 High-Level Workflow\n\nCreating a high-quality MCP server involves four main phases:\n\n### Phase 1: Deep Research and Planning\n\n#### 1.1 Understand Modern MCP Design\n\n**API Coverage vs. Workflow Tools:**\nBalance comprehensive API endpoint coverage with specialized workflow tools. Workflow tools can be more convenient for specific tasks, while comprehensive coverage gives agents flexibility to compose operations. Performance varies by client—some clients benefit from code execution that combines basic tools, while others work better with higher-level workflows. When uncertain, prioritize comprehensive API coverage.\n\n**Tool Naming and Discoverability:**\nClear, descriptive tool names help agents find the right tools quickly. Use consistent prefixes (e.g., `github_create_issue`, `github_list_repos`) and action-oriented naming.\n\n**Context Management:**\nAgents benefit from concise tool descriptions and the ability to filter\u002Fpaginate results. Design tools that return focused, relevant data. Some clients support code execution which can help agents filter and process data efficiently.\n\n**Actionable Error Messages:**\nError messages should guide agents toward solutions with specific suggestions and next steps.\n\n#### 1.2 Study MCP Protocol Documentation\n\n**Navigate the MCP specification:**\n\nStart with the sitemap to find relevant pages: `https:\u002F\u002Fmodelcontextprotocol.io\u002Fsitemap.xml`\n\nThen fetch specific pages with `.md` suffix for markdown format (e.g., `https:\u002F\u002Fmodelcontextprotocol.io\u002Fspecification\u002Fdraft.md`).\n\nKey pages to review:\n- Specification overview and architecture\n- Transport mechanisms (streamable HTTP, stdio)\n- Tool, resource, and prompt definitions\n\n#### 1.3 Study Framework Documentation\n\n**Recommended stack:**\n- **Language**: TypeScript (high-quality SDK support and good compatibility in many execution environments e.g. MCPB. Plus AI models are good at generating TypeScript code, benefiting from its broad usage, static typing and good linting tools)\n- **Transport**: Streamable HTTP for remote servers, using stateless JSON (simpler to scale and maintain, as opposed to stateful sessions and streaming responses). stdio for local servers.\n\n**Load framework documentation:**\n\n- **MCP Best Practices**: [📋 View Best Practices](.\u002Freference\u002Fmcp_best_practices.md) - Core guidelines\n\n**For TypeScript (recommended):**\n- **TypeScript SDK**: Use WebFetch to load `https:\u002F\u002Fraw.githubusercontent.com\u002Fmodelcontextprotocol\u002Ftypescript-sdk\u002Fmain\u002FREADME.md`\n- [⚡ TypeScript Guide](.\u002Freference\u002Fnode_mcp_server.md) - TypeScript patterns and examples\n\n**For Python:**\n- **Python SDK**: Use WebFetch to load `https:\u002F\u002Fraw.githubusercontent.com\u002Fmodelcontextprotocol\u002Fpython-sdk\u002Fmain\u002FREADME.md`\n- [🐍 Python Guide](.\u002Freference\u002Fpython_mcp_server.md) - Python patterns and examples\n\n#### 1.4 Plan Your Implementation\n\n**Understand the API:**\nReview the service's API documentation to identify key endpoints, authentication requirements, and data models. Use web search and WebFetch as needed.\n\n**Tool Selection:**\nPrioritize comprehensive API coverage. List endpoints to implement, starting with the most common operations.\n\n---\n\n### Phase 2: Implementation\n\n#### 2.1 Set Up Project Structure\n\nSee language-specific guides for project setup:\n- [⚡ TypeScript Guide](.\u002Freference\u002Fnode_mcp_server.md) - Project structure, package.json, tsconfig.json\n- [🐍 Python Guide](.\u002Freference\u002Fpython_mcp_server.md) - Module organization, dependencies\n\n#### 2.2 Implement Core Infrastructure\n\nCreate shared utilities:\n- API client with authentication\n- Error handling helpers\n- Response formatting (JSON\u002FMarkdown)\n- Pagination support\n\n#### 2.3 Implement Tools\n\nFor each tool:\n\n**Input Schema:**\n- Use Zod (TypeScript) or Pydantic (Python)\n- Include constraints and clear descriptions\n- Add examples in field descriptions\n\n**Output Schema:**\n- Define `outputSchema` where possible for structured data\n- Use `structuredContent` in tool responses (TypeScript SDK feature)\n- Helps clients understand and process tool outputs\n\n**Tool Description:**\n- Concise summary of functionality\n- Parameter descriptions\n- Return type schema\n\n**Implementation:**\n- Async\u002Fawait for I\u002FO operations\n- Proper error handling with actionable messages\n- Support pagination where applicable\n- Return both text content and structured data when using modern SDKs\n\n**Annotations:**\n- `readOnlyHint`: true\u002Ffalse\n- `destructiveHint`: true\u002Ffalse\n- `idempotentHint`: true\u002Ffalse\n- `openWorldHint`: true\u002Ffalse\n\n---\n\n### Phase 3: Review and Test\n\n#### 3.1 Code Quality\n\nReview for:\n- No duplicated code (DRY principle)\n- Consistent error handling\n- Full type coverage\n- Clear tool descriptions\n\n#### 3.2 Build and Test\n\n**TypeScript:**\n- Run `npm run build` to verify compilation\n- Test with MCP Inspector: `npx @modelcontextprotocol\u002Finspector`\n\n**Python:**\n- Verify syntax: `python -m py_compile your_server.py`\n- Test with MCP Inspector\n\nSee language-specific guides for detailed testing approaches and quality checklists.\n\n---\n\n### Phase 4: Create Evaluations\n\nAfter implementing your MCP server, create comprehensive evaluations to test its effectiveness.\n\n**Load [✅ Evaluation Guide](.\u002Freference\u002Fevaluation.md) for complete evaluation guidelines.**\n\n#### 4.1 Understand Evaluation Purpose\n\nUse evaluations to test whether LLMs can effectively use your MCP server to answer realistic, complex questions.\n\n#### 4.2 Create 10 Evaluation Questions\n\nTo create effective evaluations, follow the process outlined in the evaluation guide:\n\n1. **Tool Inspection**: List available tools and understand their capabilities\n2. **Content Exploration**: Use READ-ONLY operations to explore available data\n3. **Question Generation**: Create 10 complex, realistic questions\n4. **Answer Verification**: Solve each question yourself to verify answers\n\n#### 4.3 Evaluation Requirements\n\nEnsure each question is:\n- **Independent**: Not dependent on other questions\n- **Read-only**: Only non-destructive operations required\n- **Complex**: Requiring multiple tool calls and deep exploration\n- **Realistic**: Based on real use cases humans would care about\n- **Verifiable**: Single, clear answer that can be verified by string comparison\n- **Stable**: Answer won't change over time\n\n#### 4.4 Output Format\n\nCreate an XML file with this structure:\n\n```xml\n\u003Cevaluation>\n  \u003Cqa_pair>\n    \u003Cquestion>Find discussions about AI model launches with animal codenames. One model needed a specific safety designation that uses the format ASL-X. What number X was being determined for the model named after a spotted wild cat?\u003C\u002Fquestion>\n    \u003Canswer>3\u003C\u002Fanswer>\n  \u003C\u002Fqa_pair>\n\u003C!-- More qa_pairs... -->\n\u003C\u002Fevaluation>\n```\n\n---\n\n# Reference Files\n\n## 📚 Documentation Library\n\nLoad these resources as needed during development:\n\n### Core MCP Documentation (Load First)\n- **MCP Protocol**: Start with sitemap at `https:\u002F\u002Fmodelcontextprotocol.io\u002Fsitemap.xml`, then fetch specific pages with `.md` suffix\n- [📋 MCP Best Practices](.\u002Freference\u002Fmcp_best_practices.md) - Universal MCP guidelines including:\n  - Server and tool naming conventions\n  - Response format guidelines (JSON vs Markdown)\n  - Pagination best practices\n  - Transport selection (streamable HTTP vs stdio)\n  - Security and error handling standards\n\n### SDK Documentation (Load During Phase 1\u002F2)\n- **Python SDK**: Fetch from `https:\u002F\u002Fraw.githubusercontent.com\u002Fmodelcontextprotocol\u002Fpython-sdk\u002Fmain\u002FREADME.md`\n- **TypeScript SDK**: Fetch from `https:\u002F\u002Fraw.githubusercontent.com\u002Fmodelcontextprotocol\u002Ftypescript-sdk\u002Fmain\u002FREADME.md`\n\n### Language-Specific Implementation Guides (Load During Phase 2)\n- [🐍 Python Implementation Guide](.\u002Freference\u002Fpython_mcp_server.md) - Complete Python\u002FFastMCP guide with:\n  - Server initialization patterns\n  - Pydantic model examples\n  - Tool registration with `@mcp.tool`\n  - Complete working examples\n  - Quality checklist\n\n- [⚡ TypeScript Implementation Guide](.\u002Freference\u002Fnode_mcp_server.md) - Complete TypeScript guide with:\n  - Project structure\n  - Zod schema patterns\n  - Tool registration with `server.registerTool`\n  - Complete working examples\n  - Quality checklist\n\n### Evaluation Guide (Load During Phase 4)\n- [✅ Evaluation Guide](.\u002Freference\u002Fevaluation.md) - Complete evaluation creation guide with:\n  - Question creation guidelines\n  - Answer verification strategies\n  - XML format specifications\n  - Example questions and answers\n  - Running an evaluation with the provided scripts\n",{"data":39,"body":40},{"name":4,"description":6,"license":29},{"type":41,"children":42},"root",[43,52,59,65,69,75,81,86,93,100,111,138,148,158,164,172,183,204,209,229,235,243,266,274,296,304,334,342,371,377,387,397,400,406,412,417,438,444,449,472,478,483,491,509,517,551,559,577,585,608,616,660,663,669,675,680,703,709,717,744,752,771,776,779,785,790,806,812,817,823,828,872,878,883,946,952,957,1033,1036,1042,1048,1053,1059,1124,1130,1160,1166,1254,1260,1300],{"type":44,"tag":45,"props":46,"children":48},"element","h1",{"id":47},"mcp-server-development-guide",[49],{"type":50,"value":51},"text","MCP Server Development Guide",{"type":44,"tag":53,"props":54,"children":56},"h2",{"id":55},"overview",[57],{"type":50,"value":58},"Overview",{"type":44,"tag":60,"props":61,"children":62},"p",{},[63],{"type":50,"value":64},"Create MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. The quality of an MCP server is measured by how well it enables LLMs to accomplish real-world tasks.",{"type":44,"tag":66,"props":67,"children":68},"hr",{},[],{"type":44,"tag":45,"props":70,"children":72},{"id":71},"process",[73],{"type":50,"value":74},"Process",{"type":44,"tag":53,"props":76,"children":78},{"id":77},"high-level-workflow",[79],{"type":50,"value":80},"🚀 High-Level Workflow",{"type":44,"tag":60,"props":82,"children":83},{},[84],{"type":50,"value":85},"Creating a high-quality MCP server involves four main phases:",{"type":44,"tag":87,"props":88,"children":90},"h3",{"id":89},"phase-1-deep-research-and-planning",[91],{"type":50,"value":92},"Phase 1: Deep Research and Planning",{"type":44,"tag":94,"props":95,"children":97},"h4",{"id":96},"_11-understand-modern-mcp-design",[98],{"type":50,"value":99},"1.1 Understand Modern MCP Design",{"type":44,"tag":60,"props":101,"children":102},{},[103,109],{"type":44,"tag":104,"props":105,"children":106},"strong",{},[107],{"type":50,"value":108},"API Coverage vs. Workflow Tools:",{"type":50,"value":110},"\nBalance comprehensive API endpoint coverage with specialized workflow tools. Workflow tools can be more convenient for specific tasks, while comprehensive coverage gives agents flexibility to compose operations. Performance varies by client—some clients benefit from code execution that combines basic tools, while others work better with higher-level workflows. When uncertain, prioritize comprehensive API coverage.",{"type":44,"tag":60,"props":112,"children":113},{},[114,119,121,128,130,136],{"type":44,"tag":104,"props":115,"children":116},{},[117],{"type":50,"value":118},"Tool Naming and Discoverability:",{"type":50,"value":120},"\nClear, descriptive tool names help agents find the right tools quickly. Use consistent prefixes (e.g., ",{"type":44,"tag":122,"props":123,"children":125},"code",{"className":124},[],[126],{"type":50,"value":127},"github_create_issue",{"type":50,"value":129},", ",{"type":44,"tag":122,"props":131,"children":133},{"className":132},[],[134],{"type":50,"value":135},"github_list_repos",{"type":50,"value":137},") and action-oriented naming.",{"type":44,"tag":60,"props":139,"children":140},{},[141,146],{"type":44,"tag":104,"props":142,"children":143},{},[144],{"type":50,"value":145},"Context Management:",{"type":50,"value":147},"\nAgents benefit from concise tool descriptions and the ability to filter\u002Fpaginate results. Design tools that return focused, relevant data. Some clients support code execution which can help agents filter and process data efficiently.",{"type":44,"tag":60,"props":149,"children":150},{},[151,156],{"type":44,"tag":104,"props":152,"children":153},{},[154],{"type":50,"value":155},"Actionable Error Messages:",{"type":50,"value":157},"\nError messages should guide agents toward solutions with specific suggestions and next steps.",{"type":44,"tag":94,"props":159,"children":161},{"id":160},"_12-study-mcp-protocol-documentation",[162],{"type":50,"value":163},"1.2 Study MCP Protocol Documentation",{"type":44,"tag":60,"props":165,"children":166},{},[167],{"type":44,"tag":104,"props":168,"children":169},{},[170],{"type":50,"value":171},"Navigate the MCP specification:",{"type":44,"tag":60,"props":173,"children":174},{},[175,177],{"type":50,"value":176},"Start with the sitemap to find relevant pages: ",{"type":44,"tag":122,"props":178,"children":180},{"className":179},[],[181],{"type":50,"value":182},"https:\u002F\u002Fmodelcontextprotocol.io\u002Fsitemap.xml",{"type":44,"tag":60,"props":184,"children":185},{},[186,188,194,196,202],{"type":50,"value":187},"Then fetch specific pages with ",{"type":44,"tag":122,"props":189,"children":191},{"className":190},[],[192],{"type":50,"value":193},".md",{"type":50,"value":195}," suffix for markdown format (e.g., ",{"type":44,"tag":122,"props":197,"children":199},{"className":198},[],[200],{"type":50,"value":201},"https:\u002F\u002Fmodelcontextprotocol.io\u002Fspecification\u002Fdraft.md",{"type":50,"value":203},").",{"type":44,"tag":60,"props":205,"children":206},{},[207],{"type":50,"value":208},"Key pages to review:",{"type":44,"tag":210,"props":211,"children":212},"ul",{},[213,219,224],{"type":44,"tag":214,"props":215,"children":216},"li",{},[217],{"type":50,"value":218},"Specification overview and architecture",{"type":44,"tag":214,"props":220,"children":221},{},[222],{"type":50,"value":223},"Transport mechanisms (streamable HTTP, stdio)",{"type":44,"tag":214,"props":225,"children":226},{},[227],{"type":50,"value":228},"Tool, resource, and prompt definitions",{"type":44,"tag":94,"props":230,"children":232},{"id":231},"_13-study-framework-documentation",[233],{"type":50,"value":234},"1.3 Study Framework Documentation",{"type":44,"tag":60,"props":236,"children":237},{},[238],{"type":44,"tag":104,"props":239,"children":240},{},[241],{"type":50,"value":242},"Recommended stack:",{"type":44,"tag":210,"props":244,"children":245},{},[246,256],{"type":44,"tag":214,"props":247,"children":248},{},[249,254],{"type":44,"tag":104,"props":250,"children":251},{},[252],{"type":50,"value":253},"Language",{"type":50,"value":255},": TypeScript (high-quality SDK support and good compatibility in many execution environments e.g. MCPB. Plus AI models are good at generating TypeScript code, benefiting from its broad usage, static typing and good linting tools)",{"type":44,"tag":214,"props":257,"children":258},{},[259,264],{"type":44,"tag":104,"props":260,"children":261},{},[262],{"type":50,"value":263},"Transport",{"type":50,"value":265},": Streamable HTTP for remote servers, using stateless JSON (simpler to scale and maintain, as opposed to stateful sessions and streaming responses). stdio for local servers.",{"type":44,"tag":60,"props":267,"children":268},{},[269],{"type":44,"tag":104,"props":270,"children":271},{},[272],{"type":50,"value":273},"Load framework documentation:",{"type":44,"tag":210,"props":275,"children":276},{},[277],{"type":44,"tag":214,"props":278,"children":279},{},[280,285,287,294],{"type":44,"tag":104,"props":281,"children":282},{},[283],{"type":50,"value":284},"MCP Best Practices",{"type":50,"value":286},": ",{"type":44,"tag":288,"props":289,"children":291},"a",{"href":290},".\u002Freference\u002Fmcp_best_practices.md",[292],{"type":50,"value":293},"📋 View Best Practices",{"type":50,"value":295}," - Core guidelines",{"type":44,"tag":60,"props":297,"children":298},{},[299],{"type":44,"tag":104,"props":300,"children":301},{},[302],{"type":50,"value":303},"For TypeScript (recommended):",{"type":44,"tag":210,"props":305,"children":306},{},[307,323],{"type":44,"tag":214,"props":308,"children":309},{},[310,315,317],{"type":44,"tag":104,"props":311,"children":312},{},[313],{"type":50,"value":314},"TypeScript SDK",{"type":50,"value":316},": Use WebFetch to load ",{"type":44,"tag":122,"props":318,"children":320},{"className":319},[],[321],{"type":50,"value":322},"https:\u002F\u002Fraw.githubusercontent.com\u002Fmodelcontextprotocol\u002Ftypescript-sdk\u002Fmain\u002FREADME.md",{"type":44,"tag":214,"props":324,"children":325},{},[326,332],{"type":44,"tag":288,"props":327,"children":329},{"href":328},".\u002Freference\u002Fnode_mcp_server.md",[330],{"type":50,"value":331},"⚡ TypeScript Guide",{"type":50,"value":333}," - TypeScript patterns and examples",{"type":44,"tag":60,"props":335,"children":336},{},[337],{"type":44,"tag":104,"props":338,"children":339},{},[340],{"type":50,"value":341},"For Python:",{"type":44,"tag":210,"props":343,"children":344},{},[345,360],{"type":44,"tag":214,"props":346,"children":347},{},[348,353,354],{"type":44,"tag":104,"props":349,"children":350},{},[351],{"type":50,"value":352},"Python SDK",{"type":50,"value":316},{"type":44,"tag":122,"props":355,"children":357},{"className":356},[],[358],{"type":50,"value":359},"https:\u002F\u002Fraw.githubusercontent.com\u002Fmodelcontextprotocol\u002Fpython-sdk\u002Fmain\u002FREADME.md",{"type":44,"tag":214,"props":361,"children":362},{},[363,369],{"type":44,"tag":288,"props":364,"children":366},{"href":365},".\u002Freference\u002Fpython_mcp_server.md",[367],{"type":50,"value":368},"🐍 Python Guide",{"type":50,"value":370}," - Python patterns and examples",{"type":44,"tag":94,"props":372,"children":374},{"id":373},"_14-plan-your-implementation",[375],{"type":50,"value":376},"1.4 Plan Your Implementation",{"type":44,"tag":60,"props":378,"children":379},{},[380,385],{"type":44,"tag":104,"props":381,"children":382},{},[383],{"type":50,"value":384},"Understand the API:",{"type":50,"value":386},"\nReview the service's API documentation to identify key endpoints, authentication requirements, and data models. Use web search and WebFetch as needed.",{"type":44,"tag":60,"props":388,"children":389},{},[390,395],{"type":44,"tag":104,"props":391,"children":392},{},[393],{"type":50,"value":394},"Tool Selection:",{"type":50,"value":396},"\nPrioritize comprehensive API coverage. List endpoints to implement, starting with the most common operations.",{"type":44,"tag":66,"props":398,"children":399},{},[],{"type":44,"tag":87,"props":401,"children":403},{"id":402},"phase-2-implementation",[404],{"type":50,"value":405},"Phase 2: Implementation",{"type":44,"tag":94,"props":407,"children":409},{"id":408},"_21-set-up-project-structure",[410],{"type":50,"value":411},"2.1 Set Up Project Structure",{"type":44,"tag":60,"props":413,"children":414},{},[415],{"type":50,"value":416},"See language-specific guides for project setup:",{"type":44,"tag":210,"props":418,"children":419},{},[420,429],{"type":44,"tag":214,"props":421,"children":422},{},[423,427],{"type":44,"tag":288,"props":424,"children":425},{"href":328},[426],{"type":50,"value":331},{"type":50,"value":428}," - Project structure, package.json, tsconfig.json",{"type":44,"tag":214,"props":430,"children":431},{},[432,436],{"type":44,"tag":288,"props":433,"children":434},{"href":365},[435],{"type":50,"value":368},{"type":50,"value":437}," - Module organization, dependencies",{"type":44,"tag":94,"props":439,"children":441},{"id":440},"_22-implement-core-infrastructure",[442],{"type":50,"value":443},"2.2 Implement Core Infrastructure",{"type":44,"tag":60,"props":445,"children":446},{},[447],{"type":50,"value":448},"Create shared utilities:",{"type":44,"tag":210,"props":450,"children":451},{},[452,457,462,467],{"type":44,"tag":214,"props":453,"children":454},{},[455],{"type":50,"value":456},"API client with authentication",{"type":44,"tag":214,"props":458,"children":459},{},[460],{"type":50,"value":461},"Error handling helpers",{"type":44,"tag":214,"props":463,"children":464},{},[465],{"type":50,"value":466},"Response formatting (JSON\u002FMarkdown)",{"type":44,"tag":214,"props":468,"children":469},{},[470],{"type":50,"value":471},"Pagination support",{"type":44,"tag":94,"props":473,"children":475},{"id":474},"_23-implement-tools",[476],{"type":50,"value":477},"2.3 Implement Tools",{"type":44,"tag":60,"props":479,"children":480},{},[481],{"type":50,"value":482},"For each tool:",{"type":44,"tag":60,"props":484,"children":485},{},[486],{"type":44,"tag":104,"props":487,"children":488},{},[489],{"type":50,"value":490},"Input Schema:",{"type":44,"tag":210,"props":492,"children":493},{},[494,499,504],{"type":44,"tag":214,"props":495,"children":496},{},[497],{"type":50,"value":498},"Use Zod (TypeScript) or Pydantic (Python)",{"type":44,"tag":214,"props":500,"children":501},{},[502],{"type":50,"value":503},"Include constraints and clear descriptions",{"type":44,"tag":214,"props":505,"children":506},{},[507],{"type":50,"value":508},"Add examples in field descriptions",{"type":44,"tag":60,"props":510,"children":511},{},[512],{"type":44,"tag":104,"props":513,"children":514},{},[515],{"type":50,"value":516},"Output Schema:",{"type":44,"tag":210,"props":518,"children":519},{},[520,533,546],{"type":44,"tag":214,"props":521,"children":522},{},[523,525,531],{"type":50,"value":524},"Define ",{"type":44,"tag":122,"props":526,"children":528},{"className":527},[],[529],{"type":50,"value":530},"outputSchema",{"type":50,"value":532}," where possible for structured data",{"type":44,"tag":214,"props":534,"children":535},{},[536,538,544],{"type":50,"value":537},"Use ",{"type":44,"tag":122,"props":539,"children":541},{"className":540},[],[542],{"type":50,"value":543},"structuredContent",{"type":50,"value":545}," in tool responses (TypeScript SDK feature)",{"type":44,"tag":214,"props":547,"children":548},{},[549],{"type":50,"value":550},"Helps clients understand and process tool outputs",{"type":44,"tag":60,"props":552,"children":553},{},[554],{"type":44,"tag":104,"props":555,"children":556},{},[557],{"type":50,"value":558},"Tool Description:",{"type":44,"tag":210,"props":560,"children":561},{},[562,567,572],{"type":44,"tag":214,"props":563,"children":564},{},[565],{"type":50,"value":566},"Concise summary of functionality",{"type":44,"tag":214,"props":568,"children":569},{},[570],{"type":50,"value":571},"Parameter descriptions",{"type":44,"tag":214,"props":573,"children":574},{},[575],{"type":50,"value":576},"Return type schema",{"type":44,"tag":60,"props":578,"children":579},{},[580],{"type":44,"tag":104,"props":581,"children":582},{},[583],{"type":50,"value":584},"Implementation:",{"type":44,"tag":210,"props":586,"children":587},{},[588,593,598,603],{"type":44,"tag":214,"props":589,"children":590},{},[591],{"type":50,"value":592},"Async\u002Fawait for I\u002FO operations",{"type":44,"tag":214,"props":594,"children":595},{},[596],{"type":50,"value":597},"Proper error handling with actionable messages",{"type":44,"tag":214,"props":599,"children":600},{},[601],{"type":50,"value":602},"Support pagination where applicable",{"type":44,"tag":214,"props":604,"children":605},{},[606],{"type":50,"value":607},"Return both text content and structured data when using modern SDKs",{"type":44,"tag":60,"props":609,"children":610},{},[611],{"type":44,"tag":104,"props":612,"children":613},{},[614],{"type":50,"value":615},"Annotations:",{"type":44,"tag":210,"props":617,"children":618},{},[619,630,640,650],{"type":44,"tag":214,"props":620,"children":621},{},[622,628],{"type":44,"tag":122,"props":623,"children":625},{"className":624},[],[626],{"type":50,"value":627},"readOnlyHint",{"type":50,"value":629},": true\u002Ffalse",{"type":44,"tag":214,"props":631,"children":632},{},[633,639],{"type":44,"tag":122,"props":634,"children":636},{"className":635},[],[637],{"type":50,"value":638},"destructiveHint",{"type":50,"value":629},{"type":44,"tag":214,"props":641,"children":642},{},[643,649],{"type":44,"tag":122,"props":644,"children":646},{"className":645},[],[647],{"type":50,"value":648},"idempotentHint",{"type":50,"value":629},{"type":44,"tag":214,"props":651,"children":652},{},[653,659],{"type":44,"tag":122,"props":654,"children":656},{"className":655},[],[657],{"type":50,"value":658},"openWorldHint",{"type":50,"value":629},{"type":44,"tag":66,"props":661,"children":662},{},[],{"type":44,"tag":87,"props":664,"children":666},{"id":665},"phase-3-review-and-test",[667],{"type":50,"value":668},"Phase 3: Review and Test",{"type":44,"tag":94,"props":670,"children":672},{"id":671},"_31-code-quality",[673],{"type":50,"value":674},"3.1 Code Quality",{"type":44,"tag":60,"props":676,"children":677},{},[678],{"type":50,"value":679},"Review for:",{"type":44,"tag":210,"props":681,"children":682},{},[683,688,693,698],{"type":44,"tag":214,"props":684,"children":685},{},[686],{"type":50,"value":687},"No duplicated code (DRY principle)",{"type":44,"tag":214,"props":689,"children":690},{},[691],{"type":50,"value":692},"Consistent error handling",{"type":44,"tag":214,"props":694,"children":695},{},[696],{"type":50,"value":697},"Full type coverage",{"type":44,"tag":214,"props":699,"children":700},{},[701],{"type":50,"value":702},"Clear tool descriptions",{"type":44,"tag":94,"props":704,"children":706},{"id":705},"_32-build-and-test",[707],{"type":50,"value":708},"3.2 Build and Test",{"type":44,"tag":60,"props":710,"children":711},{},[712],{"type":44,"tag":104,"props":713,"children":714},{},[715],{"type":50,"value":716},"TypeScript:",{"type":44,"tag":210,"props":718,"children":719},{},[720,733],{"type":44,"tag":214,"props":721,"children":722},{},[723,725,731],{"type":50,"value":724},"Run ",{"type":44,"tag":122,"props":726,"children":728},{"className":727},[],[729],{"type":50,"value":730},"npm run build",{"type":50,"value":732}," to verify compilation",{"type":44,"tag":214,"props":734,"children":735},{},[736,738],{"type":50,"value":737},"Test with MCP Inspector: ",{"type":44,"tag":122,"props":739,"children":741},{"className":740},[],[742],{"type":50,"value":743},"npx @modelcontextprotocol\u002Finspector",{"type":44,"tag":60,"props":745,"children":746},{},[747],{"type":44,"tag":104,"props":748,"children":749},{},[750],{"type":50,"value":751},"Python:",{"type":44,"tag":210,"props":753,"children":754},{},[755,766],{"type":44,"tag":214,"props":756,"children":757},{},[758,760],{"type":50,"value":759},"Verify syntax: ",{"type":44,"tag":122,"props":761,"children":763},{"className":762},[],[764],{"type":50,"value":765},"python -m py_compile your_server.py",{"type":44,"tag":214,"props":767,"children":768},{},[769],{"type":50,"value":770},"Test with MCP Inspector",{"type":44,"tag":60,"props":772,"children":773},{},[774],{"type":50,"value":775},"See language-specific guides for detailed testing approaches and quality checklists.",{"type":44,"tag":66,"props":777,"children":778},{},[],{"type":44,"tag":87,"props":780,"children":782},{"id":781},"phase-4-create-evaluations",[783],{"type":50,"value":784},"Phase 4: Create Evaluations",{"type":44,"tag":60,"props":786,"children":787},{},[788],{"type":50,"value":789},"After implementing your MCP server, create comprehensive evaluations to test its effectiveness.",{"type":44,"tag":60,"props":791,"children":792},{},[793],{"type":44,"tag":104,"props":794,"children":795},{},[796,798,804],{"type":50,"value":797},"Load ",{"type":44,"tag":288,"props":799,"children":801},{"href":800},".\u002Freference\u002Fevaluation.md",[802],{"type":50,"value":803},"✅ Evaluation Guide",{"type":50,"value":805}," for complete evaluation guidelines.",{"type":44,"tag":94,"props":807,"children":809},{"id":808},"_41-understand-evaluation-purpose",[810],{"type":50,"value":811},"4.1 Understand Evaluation Purpose",{"type":44,"tag":60,"props":813,"children":814},{},[815],{"type":50,"value":816},"Use evaluations to test whether LLMs can effectively use your MCP server to answer realistic, complex questions.",{"type":44,"tag":94,"props":818,"children":820},{"id":819},"_42-create-10-evaluation-questions",[821],{"type":50,"value":822},"4.2 Create 10 Evaluation Questions",{"type":44,"tag":60,"props":824,"children":825},{},[826],{"type":50,"value":827},"To create effective evaluations, follow the process outlined in the evaluation guide:",{"type":44,"tag":829,"props":830,"children":831},"ol",{},[832,842,852,862],{"type":44,"tag":214,"props":833,"children":834},{},[835,840],{"type":44,"tag":104,"props":836,"children":837},{},[838],{"type":50,"value":839},"Tool Inspection",{"type":50,"value":841},": List available tools and understand their capabilities",{"type":44,"tag":214,"props":843,"children":844},{},[845,850],{"type":44,"tag":104,"props":846,"children":847},{},[848],{"type":50,"value":849},"Content Exploration",{"type":50,"value":851},": Use READ-ONLY operations to explore available data",{"type":44,"tag":214,"props":853,"children":854},{},[855,860],{"type":44,"tag":104,"props":856,"children":857},{},[858],{"type":50,"value":859},"Question Generation",{"type":50,"value":861},": Create 10 complex, realistic questions",{"type":44,"tag":214,"props":863,"children":864},{},[865,870],{"type":44,"tag":104,"props":866,"children":867},{},[868],{"type":50,"value":869},"Answer Verification",{"type":50,"value":871},": Solve each question yourself to verify answers",{"type":44,"tag":94,"props":873,"children":875},{"id":874},"_43-evaluation-requirements",[876],{"type":50,"value":877},"4.3 Evaluation Requirements",{"type":44,"tag":60,"props":879,"children":880},{},[881],{"type":50,"value":882},"Ensure each question is:",{"type":44,"tag":210,"props":884,"children":885},{},[886,896,906,916,926,936],{"type":44,"tag":214,"props":887,"children":888},{},[889,894],{"type":44,"tag":104,"props":890,"children":891},{},[892],{"type":50,"value":893},"Independent",{"type":50,"value":895},": Not dependent on other questions",{"type":44,"tag":214,"props":897,"children":898},{},[899,904],{"type":44,"tag":104,"props":900,"children":901},{},[902],{"type":50,"value":903},"Read-only",{"type":50,"value":905},": Only non-destructive operations required",{"type":44,"tag":214,"props":907,"children":908},{},[909,914],{"type":44,"tag":104,"props":910,"children":911},{},[912],{"type":50,"value":913},"Complex",{"type":50,"value":915},": Requiring multiple tool calls and deep exploration",{"type":44,"tag":214,"props":917,"children":918},{},[919,924],{"type":44,"tag":104,"props":920,"children":921},{},[922],{"type":50,"value":923},"Realistic",{"type":50,"value":925},": Based on real use cases humans would care about",{"type":44,"tag":214,"props":927,"children":928},{},[929,934],{"type":44,"tag":104,"props":930,"children":931},{},[932],{"type":50,"value":933},"Verifiable",{"type":50,"value":935},": Single, clear answer that can be verified by string comparison",{"type":44,"tag":214,"props":937,"children":938},{},[939,944],{"type":44,"tag":104,"props":940,"children":941},{},[942],{"type":50,"value":943},"Stable",{"type":50,"value":945},": Answer won't change over time",{"type":44,"tag":94,"props":947,"children":949},{"id":948},"_44-output-format",[950],{"type":50,"value":951},"4.4 Output Format",{"type":44,"tag":60,"props":953,"children":954},{},[955],{"type":50,"value":956},"Create an XML file with this structure:",{"type":44,"tag":958,"props":959,"children":964},"pre",{"className":960,"code":961,"language":962,"meta":963,"style":963},"language-xml shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","\u003Cevaluation>\n  \u003Cqa_pair>\n    \u003Cquestion>Find discussions about AI model launches with animal codenames. One model needed a specific safety designation that uses the format ASL-X. What number X was being determined for the model named after a spotted wild cat?\u003C\u002Fquestion>\n    \u003Canswer>3\u003C\u002Fanswer>\n  \u003C\u002Fqa_pair>\n\u003C!-- More qa_pairs... -->\n\u003C\u002Fevaluation>\n","xml","",[965],{"type":44,"tag":122,"props":966,"children":967},{"__ignoreMap":963},[968,979,988,997,1006,1015,1024],{"type":44,"tag":969,"props":970,"children":973},"span",{"class":971,"line":972},"line",1,[974],{"type":44,"tag":969,"props":975,"children":976},{},[977],{"type":50,"value":978},"\u003Cevaluation>\n",{"type":44,"tag":969,"props":980,"children":982},{"class":971,"line":981},2,[983],{"type":44,"tag":969,"props":984,"children":985},{},[986],{"type":50,"value":987},"  \u003Cqa_pair>\n",{"type":44,"tag":969,"props":989,"children":991},{"class":971,"line":990},3,[992],{"type":44,"tag":969,"props":993,"children":994},{},[995],{"type":50,"value":996},"    \u003Cquestion>Find discussions about AI model launches with animal codenames. One model needed a specific safety designation that uses the format ASL-X. What number X was being determined for the model named after a spotted wild cat?\u003C\u002Fquestion>\n",{"type":44,"tag":969,"props":998,"children":1000},{"class":971,"line":999},4,[1001],{"type":44,"tag":969,"props":1002,"children":1003},{},[1004],{"type":50,"value":1005},"    \u003Canswer>3\u003C\u002Fanswer>\n",{"type":44,"tag":969,"props":1007,"children":1009},{"class":971,"line":1008},5,[1010],{"type":44,"tag":969,"props":1011,"children":1012},{},[1013],{"type":50,"value":1014},"  \u003C\u002Fqa_pair>\n",{"type":44,"tag":969,"props":1016,"children":1018},{"class":971,"line":1017},6,[1019],{"type":44,"tag":969,"props":1020,"children":1021},{},[1022],{"type":50,"value":1023},"\u003C!-- More qa_pairs... -->\n",{"type":44,"tag":969,"props":1025,"children":1027},{"class":971,"line":1026},7,[1028],{"type":44,"tag":969,"props":1029,"children":1030},{},[1031],{"type":50,"value":1032},"\u003C\u002Fevaluation>\n",{"type":44,"tag":66,"props":1034,"children":1035},{},[],{"type":44,"tag":45,"props":1037,"children":1039},{"id":1038},"reference-files",[1040],{"type":50,"value":1041},"Reference Files",{"type":44,"tag":53,"props":1043,"children":1045},{"id":1044},"documentation-library",[1046],{"type":50,"value":1047},"📚 Documentation Library",{"type":44,"tag":60,"props":1049,"children":1050},{},[1051],{"type":50,"value":1052},"Load these resources as needed during development:",{"type":44,"tag":87,"props":1054,"children":1056},{"id":1055},"core-mcp-documentation-load-first",[1057],{"type":50,"value":1058},"Core MCP Documentation (Load First)",{"type":44,"tag":210,"props":1060,"children":1061},{},[1062,1086],{"type":44,"tag":214,"props":1063,"children":1064},{},[1065,1070,1072,1077,1079,1084],{"type":44,"tag":104,"props":1066,"children":1067},{},[1068],{"type":50,"value":1069},"MCP Protocol",{"type":50,"value":1071},": Start with sitemap at ",{"type":44,"tag":122,"props":1073,"children":1075},{"className":1074},[],[1076],{"type":50,"value":182},{"type":50,"value":1078},", then fetch specific pages with ",{"type":44,"tag":122,"props":1080,"children":1082},{"className":1081},[],[1083],{"type":50,"value":193},{"type":50,"value":1085}," suffix",{"type":44,"tag":214,"props":1087,"children":1088},{},[1089,1094,1096],{"type":44,"tag":288,"props":1090,"children":1091},{"href":290},[1092],{"type":50,"value":1093},"📋 MCP Best Practices",{"type":50,"value":1095}," - Universal MCP guidelines including:\n",{"type":44,"tag":210,"props":1097,"children":1098},{},[1099,1104,1109,1114,1119],{"type":44,"tag":214,"props":1100,"children":1101},{},[1102],{"type":50,"value":1103},"Server and tool naming conventions",{"type":44,"tag":214,"props":1105,"children":1106},{},[1107],{"type":50,"value":1108},"Response format guidelines (JSON vs Markdown)",{"type":44,"tag":214,"props":1110,"children":1111},{},[1112],{"type":50,"value":1113},"Pagination best practices",{"type":44,"tag":214,"props":1115,"children":1116},{},[1117],{"type":50,"value":1118},"Transport selection (streamable HTTP vs stdio)",{"type":44,"tag":214,"props":1120,"children":1121},{},[1122],{"type":50,"value":1123},"Security and error handling standards",{"type":44,"tag":87,"props":1125,"children":1127},{"id":1126},"sdk-documentation-load-during-phase-12",[1128],{"type":50,"value":1129},"SDK Documentation (Load During Phase 1\u002F2)",{"type":44,"tag":210,"props":1131,"children":1132},{},[1133,1147],{"type":44,"tag":214,"props":1134,"children":1135},{},[1136,1140,1142],{"type":44,"tag":104,"props":1137,"children":1138},{},[1139],{"type":50,"value":352},{"type":50,"value":1141},": Fetch from ",{"type":44,"tag":122,"props":1143,"children":1145},{"className":1144},[],[1146],{"type":50,"value":359},{"type":44,"tag":214,"props":1148,"children":1149},{},[1150,1154,1155],{"type":44,"tag":104,"props":1151,"children":1152},{},[1153],{"type":50,"value":314},{"type":50,"value":1141},{"type":44,"tag":122,"props":1156,"children":1158},{"className":1157},[],[1159],{"type":50,"value":322},{"type":44,"tag":87,"props":1161,"children":1163},{"id":1162},"language-specific-implementation-guides-load-during-phase-2",[1164],{"type":50,"value":1165},"Language-Specific Implementation Guides (Load During Phase 2)",{"type":44,"tag":210,"props":1167,"children":1168},{},[1169,1213],{"type":44,"tag":214,"props":1170,"children":1171},{},[1172,1177,1179],{"type":44,"tag":288,"props":1173,"children":1174},{"href":365},[1175],{"type":50,"value":1176},"🐍 Python Implementation Guide",{"type":50,"value":1178}," - Complete Python\u002FFastMCP guide with:",{"type":44,"tag":210,"props":1180,"children":1181},{},[1182,1187,1192,1203,1208],{"type":44,"tag":214,"props":1183,"children":1184},{},[1185],{"type":50,"value":1186},"Server initialization patterns",{"type":44,"tag":214,"props":1188,"children":1189},{},[1190],{"type":50,"value":1191},"Pydantic model examples",{"type":44,"tag":214,"props":1193,"children":1194},{},[1195,1197],{"type":50,"value":1196},"Tool registration with ",{"type":44,"tag":122,"props":1198,"children":1200},{"className":1199},[],[1201],{"type":50,"value":1202},"@mcp.tool",{"type":44,"tag":214,"props":1204,"children":1205},{},[1206],{"type":50,"value":1207},"Complete working examples",{"type":44,"tag":214,"props":1209,"children":1210},{},[1211],{"type":50,"value":1212},"Quality checklist",{"type":44,"tag":214,"props":1214,"children":1215},{},[1216,1221,1223],{"type":44,"tag":288,"props":1217,"children":1218},{"href":328},[1219],{"type":50,"value":1220},"⚡ TypeScript Implementation Guide",{"type":50,"value":1222}," - Complete TypeScript guide with:",{"type":44,"tag":210,"props":1224,"children":1225},{},[1226,1231,1236,1246,1250],{"type":44,"tag":214,"props":1227,"children":1228},{},[1229],{"type":50,"value":1230},"Project structure",{"type":44,"tag":214,"props":1232,"children":1233},{},[1234],{"type":50,"value":1235},"Zod schema patterns",{"type":44,"tag":214,"props":1237,"children":1238},{},[1239,1240],{"type":50,"value":1196},{"type":44,"tag":122,"props":1241,"children":1243},{"className":1242},[],[1244],{"type":50,"value":1245},"server.registerTool",{"type":44,"tag":214,"props":1247,"children":1248},{},[1249],{"type":50,"value":1207},{"type":44,"tag":214,"props":1251,"children":1252},{},[1253],{"type":50,"value":1212},{"type":44,"tag":87,"props":1255,"children":1257},{"id":1256},"evaluation-guide-load-during-phase-4",[1258],{"type":50,"value":1259},"Evaluation Guide (Load During Phase 4)",{"type":44,"tag":210,"props":1261,"children":1262},{},[1263],{"type":44,"tag":214,"props":1264,"children":1265},{},[1266,1270,1272],{"type":44,"tag":288,"props":1267,"children":1268},{"href":800},[1269],{"type":50,"value":803},{"type":50,"value":1271}," - Complete evaluation creation guide with:\n",{"type":44,"tag":210,"props":1273,"children":1274},{},[1275,1280,1285,1290,1295],{"type":44,"tag":214,"props":1276,"children":1277},{},[1278],{"type":50,"value":1279},"Question creation guidelines",{"type":44,"tag":214,"props":1281,"children":1282},{},[1283],{"type":50,"value":1284},"Answer verification strategies",{"type":44,"tag":214,"props":1286,"children":1287},{},[1288],{"type":50,"value":1289},"XML format specifications",{"type":44,"tag":214,"props":1291,"children":1292},{},[1293],{"type":50,"value":1294},"Example questions and answers",{"type":44,"tag":214,"props":1296,"children":1297},{},[1298],{"type":50,"value":1299},"Running an evaluation with the provided scripts",{"type":44,"tag":1301,"props":1302,"children":1303},"style",{},[1304],{"type":50,"value":1305},"html .light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html.light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html.dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}",{"items":1307,"total":1422},[1308,1327,1341,1353,1368,1381,1402],{"slug":1309,"name":1309,"fn":1310,"description":1311,"org":1312,"tags":1313,"stars":26,"repoUrl":27,"updatedAt":1326},"algorithmic-art","create algorithmic art with p5.js","Creating algorithmic art using p5.js with seeded randomness and interactive parameter exploration. Use this when users request creating art using code, generative art, algorithmic art, flow fields, or particle systems. Create original algorithmic art rather than copying existing artists' work to avoid copyright violations.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1314,1317,1320,1323],{"name":1315,"slug":1316,"type":16},"Creative","creative",{"name":1318,"slug":1319,"type":16},"Design","design",{"name":1321,"slug":1322,"type":16},"Generative Art","generative-art",{"name":1324,"slug":1325,"type":16},"JavaScript","javascript","2026-04-06T17:56:15.455818",{"slug":1328,"name":1328,"fn":1329,"description":1330,"org":1331,"tags":1332,"stars":26,"repoUrl":27,"updatedAt":1340},"brand-guidelines","apply Anthropic brand colors and typography","Applies Anthropic's official brand colors and typography to any sort of artifact that may benefit from having Anthropic's look-and-feel. Use it when brand colors or style guidelines, visual formatting, or company design standards apply.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1333,1336,1337],{"name":1334,"slug":1335,"type":16},"Branding","branding",{"name":1318,"slug":1319,"type":16},{"name":1338,"slug":1339,"type":16},"Typography","typography","2026-04-06T17:56:05.042852",{"slug":1342,"name":1342,"fn":1343,"description":1344,"org":1345,"tags":1346,"stars":26,"repoUrl":27,"updatedAt":1352},"canvas-design","create posters and visual art as PNG or PDF","Create beautiful visual art in .png and .pdf documents using design philosophy. You should use this skill when the user asks to create a poster, piece of art, design, or other static piece. Create original visual designs, never copying existing artists' work to avoid copyright violations.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1347,1348,1349],{"name":1315,"slug":1316,"type":16},{"name":1318,"slug":1319,"type":16},{"name":1350,"slug":1351,"type":16},"PDF","pdf","2026-04-06T17:56:03.794732",{"slug":1354,"name":1354,"fn":1355,"description":1356,"org":1357,"tags":1358,"stars":26,"repoUrl":27,"updatedAt":1367},"claude-api","build apps with the Claude API","Reference for the Claude API \u002F Anthropic SDK — model ids, pricing, params, streaming, tool use, MCP, agents, caching, token counting, model migration.\nTRIGGER — read BEFORE opening the target file; don't skip because it \"looks like a one-liner\" — whenever: the prompt names Claude\u002FAnthropic in any form (Claude, Anthropic, Fable, Opus, Sonnet, Haiku, `anthropic`, `@anthropic-ai`, `claude-*`, `us.anthropic.*`, `[1m]`); the user asks about an LLM (pricing\u002Fmodel choice\u002Flimits\u002Fcaching) — never answer from memory; OR the task is LLM-shaped with provider unstated (agent\u002FMCP\u002Ftool-definition\u002Fmulti-agent\u002FRAG\u002FLLM-judge\u002Fcomputer-use; generate\u002Fsummarize\u002Fextract\u002Fclassify\u002Frewrite\u002Fconverse over NL; debugging refusals\u002Fcutoffs\u002Fstreaming\u002Ftool-calls\u002Ftokens).\nSKIP only when another provider is being worked on (overrides all triggers): OpenAI\u002FGPT\u002FGemini\u002FLlama\u002FMistral\u002FCohere\u002FOllama named in the query; OR `grep -rE 'openai|langchain_openai|google.generativeai|genai|mistralai|cohere|ollama'` over the project hits (run this grep FIRST if no provider named — don't Read the file).",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1359,1360,1361,1364,1366],{"name":21,"slug":22,"type":16},{"name":9,"slug":8,"type":16},{"name":1362,"slug":1363,"type":16},"Anthropic SDK","anthropic-sdk",{"name":1365,"slug":1354,"type":16},"Claude API",{"name":14,"slug":15,"type":16},"2026-07-28T05:36:08.213335",{"slug":1369,"name":1369,"fn":1370,"description":1371,"org":1372,"tags":1373,"stars":26,"repoUrl":27,"updatedAt":1380},"doc-coauthoring","co-author documentation and technical specs","Guide users through a structured workflow for co-authoring documentation. Use when user wants to write documentation, proposals, technical specs, decision docs, or similar structured content. This workflow helps users efficiently transfer context, refine content through iteration, and verify the doc works for readers. Trigger when user mentions writing docs, creating proposals, drafting specs, or similar documentation tasks.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1374,1377],{"name":1375,"slug":1376,"type":16},"Documentation","documentation",{"name":1378,"slug":1379,"type":16},"Technical Writing","technical-writing","2026-04-06T17:56:14.18897",{"slug":1382,"name":1382,"fn":1383,"description":1384,"org":1385,"tags":1386,"stars":26,"repoUrl":27,"updatedAt":1401},"docx","create and edit Word documents","Use this skill whenever the user wants to create, read, edit, or manipulate Word documents (.docx files) or Word templates (.dotx files). Triggers include: any mention of 'Word doc', 'word document', '.docx', '.dotx', or requests to produce professional documents with formatting like tables of contents, headings, page numbers, or letterheads. Also use when extracting or reorganizing content from .docx or .dotx files, inserting or replacing images in documents, performing find-and-replace in Word files, working with tracked changes or comments, or converting content into a polished Word document. If the user asks for a 'report', 'memo', 'letter', 'template', or similar deliverable as a Word or .docx file, use this skill. Do NOT use for PDFs, spreadsheets, Google Docs, or general coding tasks unrelated to document generation.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1387,1390,1392,1395,1398],{"name":1388,"slug":1389,"type":16},"Documents","documents",{"name":1391,"slug":1382,"type":16},"DOCX",{"name":1393,"slug":1394,"type":16},"Office","office",{"name":1396,"slug":1397,"type":16},"Templates","templates",{"name":1399,"slug":1400,"type":16},"Word","word","2026-07-18T05:16:23.136271",{"slug":1403,"name":1403,"fn":1404,"description":1405,"org":1406,"tags":1407,"stars":26,"repoUrl":27,"updatedAt":1421},"frontend-design","design production-grade frontend interfaces","Guidance for distinctive, intentional visual design when building new UI or reshaping an existing one. Helps with aesthetic direction, typography, and making choices that don't read as templated defaults.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1408,1409,1412,1415,1418],{"name":1318,"slug":1319,"type":16},{"name":1410,"slug":1411,"type":16},"Frontend","frontend",{"name":1413,"slug":1414,"type":16},"React","react",{"name":1416,"slug":1417,"type":16},"Tailwind CSS","tailwind-css",{"name":1419,"slug":1420,"type":16},"UI Components","ui-components","2026-04-06T17:56:16.723469",17,{"items":1424,"total":1531},[1425,1432,1438,1444,1452,1457,1465,1473,1487,1494,1502,1515],{"slug":1309,"name":1309,"fn":1310,"description":1311,"org":1426,"tags":1427,"stars":26,"repoUrl":27,"updatedAt":1326},{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1428,1429,1430,1431],{"name":1315,"slug":1316,"type":16},{"name":1318,"slug":1319,"type":16},{"name":1321,"slug":1322,"type":16},{"name":1324,"slug":1325,"type":16},{"slug":1328,"name":1328,"fn":1329,"description":1330,"org":1433,"tags":1434,"stars":26,"repoUrl":27,"updatedAt":1340},{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1435,1436,1437],{"name":1334,"slug":1335,"type":16},{"name":1318,"slug":1319,"type":16},{"name":1338,"slug":1339,"type":16},{"slug":1342,"name":1342,"fn":1343,"description":1344,"org":1439,"tags":1440,"stars":26,"repoUrl":27,"updatedAt":1352},{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1441,1442,1443],{"name":1315,"slug":1316,"type":16},{"name":1318,"slug":1319,"type":16},{"name":1350,"slug":1351,"type":16},{"slug":1354,"name":1354,"fn":1355,"description":1356,"org":1445,"tags":1446,"stars":26,"repoUrl":27,"updatedAt":1367},{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1447,1448,1449,1450,1451],{"name":21,"slug":22,"type":16},{"name":9,"slug":8,"type":16},{"name":1362,"slug":1363,"type":16},{"name":1365,"slug":1354,"type":16},{"name":14,"slug":15,"type":16},{"slug":1369,"name":1369,"fn":1370,"description":1371,"org":1453,"tags":1454,"stars":26,"repoUrl":27,"updatedAt":1380},{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1455,1456],{"name":1375,"slug":1376,"type":16},{"name":1378,"slug":1379,"type":16},{"slug":1382,"name":1382,"fn":1383,"description":1384,"org":1458,"tags":1459,"stars":26,"repoUrl":27,"updatedAt":1401},{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1460,1461,1462,1463,1464],{"name":1388,"slug":1389,"type":16},{"name":1391,"slug":1382,"type":16},{"name":1393,"slug":1394,"type":16},{"name":1396,"slug":1397,"type":16},{"name":1399,"slug":1400,"type":16},{"slug":1403,"name":1403,"fn":1404,"description":1405,"org":1466,"tags":1467,"stars":26,"repoUrl":27,"updatedAt":1421},{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1468,1469,1470,1471,1472],{"name":1318,"slug":1319,"type":16},{"name":1410,"slug":1411,"type":16},{"name":1413,"slug":1414,"type":16},{"name":1416,"slug":1417,"type":16},{"name":1419,"slug":1420,"type":16},{"slug":1474,"name":1474,"fn":1475,"description":1476,"org":1477,"tags":1478,"stars":26,"repoUrl":27,"updatedAt":1486},"internal-comms","write internal company communications","A set of resources to help me write all kinds of internal communications, using the formats that my company likes to use. Claude should use this skill whenever asked to write some sort of internal communications (status reports, leadership updates, 3P updates, company newsletters, FAQs, incident reports, project updates, etc.).",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1479,1482,1483],{"name":1480,"slug":1481,"type":16},"Communications","communications",{"name":1396,"slug":1397,"type":16},{"name":1484,"slug":1485,"type":16},"Writing","writing","2026-04-06T17:56:20.695522",{"slug":4,"name":4,"fn":5,"description":6,"org":1488,"tags":1489,"stars":26,"repoUrl":27,"updatedAt":28},{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1490,1491,1492,1493],{"name":21,"slug":22,"type":16},{"name":24,"slug":25,"type":16},{"name":14,"slug":15,"type":16},{"name":18,"slug":19,"type":16},{"slug":1351,"name":1351,"fn":1495,"description":1496,"org":1497,"tags":1498,"stars":26,"repoUrl":27,"updatedAt":1501},"read edit and manipulate PDF files","Use this skill whenever the user wants to do anything with PDF files. This includes reading or extracting text\u002Ftables from PDFs, combining or merging multiple PDFs into one, splitting PDFs apart, rotating pages, adding watermarks, creating new PDFs, filling PDF forms, encrypting\u002Fdecrypting PDFs, extracting images, and OCR on scanned PDFs to make them searchable. If the user mentions a .pdf file or asks to produce one, use this skill.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1499,1500],{"name":1388,"slug":1389,"type":16},{"name":1350,"slug":1351,"type":16},"2026-04-06T17:56:02.483316",{"slug":1503,"name":1503,"fn":1504,"description":1505,"org":1506,"tags":1507,"stars":26,"repoUrl":27,"updatedAt":1514},"pptx","create and edit PowerPoint presentations","Use this skill any time a .pptx or .potx file is involved in any way — as input, output, or both. This includes: creating slide decks, pitch decks, or presentations; reading, parsing, or extracting text from any .pptx or .potx file (even if the extracted content will be used elsewhere, like in an email or summary); editing, modifying, or updating existing presentations; combining or splitting slide files; working with templates (.potx), layouts, speaker notes, or comments. Trigger whenever the user mentions \"deck,\" \"slides,\" \"presentation,\" or references a .pptx or .potx filename, regardless of what they plan to do with the content afterward. If a .pptx or .potx file needs to be opened, created, or touched, use this skill.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1508,1511],{"name":1509,"slug":1510,"type":16},"PowerPoint","powerpoint",{"name":1512,"slug":1513,"type":16},"Presentations","presentations","2026-07-18T05:16:24.1471",{"slug":1516,"name":1516,"fn":1517,"description":1518,"org":1519,"tags":1520,"stars":26,"repoUrl":27,"updatedAt":1530},"skill-creator","create and optimize agent skills","Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1521,1522,1523,1526,1529],{"name":21,"slug":22,"type":16},{"name":1375,"slug":1376,"type":16},{"name":1524,"slug":1525,"type":16},"Evals","evals",{"name":1527,"slug":1528,"type":16},"Performance","performance",{"name":1378,"slug":1379,"type":16},"2026-04-19T06:45:40.804",490]