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Use this skill when the user: (1) mentions \"connectors\", \"Apollo Connectors\", or \"REST Connector\", (2) wants to integrate a REST API into GraphQL, (3) references @source or @connect directives, (4) works with files containing \"# Note to AI Friends: This is an Apollo Connectors schema\".\n",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},"apollo-graphql","Apollo GraphQL","https:\u002F\u002Fpexgzepcugksgbtrxkhf.supabase.co\u002Fstorage\u002Fv1\u002Fobject\u002Fpublic\u002Forg-logos\u002Fapollo-graphql.png","apollographql",[13,17,18,21],{"name":14,"slug":15,"type":16},"GraphQL","graphql","tag",{"name":9,"slug":8,"type":16},{"name":19,"slug":20,"type":16},"REST API","rest-api",{"name":22,"slug":23,"type":16},"API Development","api-development",97,"https:\u002F\u002Fgithub.com\u002Fapollographql\u002Fskills","2026-04-06T18:01:23.758345","MIT",11,[30,31,15],"agent-skills","apollo",{"repoUrl":25,"stars":24,"forks":28,"topics":33,"description":34},[30,31,15],"Apollo GraphQL Agent Skills","https:\u002F\u002Fgithub.com\u002Fapollographql\u002Fskills\u002Ftree\u002FHEAD\u002Fskills\u002Fapollo-connectors","---\nname: apollo-connectors\ndescription: >\n  Guide for integrating REST APIs into GraphQL supergraphs using Apollo Connectors\n  with @source and @connect directives. Use this skill when the user:\n  (1) mentions \"connectors\", \"Apollo Connectors\", or \"REST Connector\",\n  (2) wants to integrate a REST API into GraphQL,\n  (3) references @source or @connect directives,\n  (4) works with files containing \"# Note to AI Friends: This is an Apollo Connectors schema\".\nlicense: MIT\ncompatibility: Requires rover CLI installed. Works with Claude Code and similar AI coding assistants.\nmetadata:\n  author: apollographql\n  version: \"1.0.0\"\nallowed-tools: Bash(rover:*) Read Write Edit Glob Grep\n---\n\n# Apollo Connectors Schema Assistant\n\n## MCP Tools\n\nIf GraphOS MCP Tools are available, use them:\n- **connectors-spec**: Fetch the complete Connectors specification before starting any connector work\n- **apollo_docs_search**: Search for relevant documentation\n- **apollo_docs_read**: Read specific documentation pages by slug\n\n**Documentation paths by topic:**\n- Requests: `\u002Fgraphos\u002Fconnectors\u002Frequests\u002Furl`, `\u002Fheaders`, `\u002Fbody`, `\u002Fbatching`\n- Responses: `\u002Fgraphos\u002Fconnectors\u002Fresponses\u002Ffields`, `\u002Ferror-handling`\n- Mapping: `\u002Fgraphos\u002Fconnectors\u002Fmapping`, `\u002Farrays`, `\u002Fenums`, `\u002Fliterals`\n- Entities: `\u002Fgraphos\u002Fconnectors\u002Fentities`, `\u002Fpatterns`\n\n## Process\n\nFollow this 5-step process. **DO NOT skip any steps.**\n\n### Step 1: Research\n\n- [ ] Understand the API being called and the structure of responses\n- [ ] Ask the user for example API responses if not provided\n- [ ] Fetch relevant documentation from MCP tools or reference files\n- [ ] DO NOT write any code until research is complete\n\n### Step 2: Implement\n\n- [ ] Create the schema using the template below\n- [ ] Follow the grammar, methods, and variables in the reference files\n- [ ] Ask clarifying questions if unsure about requirements\n\n### Step 3: Validate (Compose)\n\n- [ ] Run `rover supergraph compose --config .\u002Fsupergraph.yaml`\n- [ ] Fix any composition errors before proceeding\n\n### Step 4: Execute\n\n- [ ] Run `rover connector run --schema \u003Cfile> -c \"\u003CType.field>\" -v \"{}\"`\n- [ ] Verify the connector executes correctly\n\n### Step 5: Test\n\n- [ ] Create or update test files under `\u002Ftests\u002F`\n- [ ] Run `rover connector test`\n- [ ] Ensure full test coverage for each connector\n\n## Schema Template\n\n```graphql\n# Note to AI Friends: This is an Apollo Connectors schema. You should use your connectors-spec MCP tool if you have it available before editing this file.\n\nextend schema\n  @link(url: \"https:\u002F\u002Fspecs.apollo.dev\u002Ffederation\u002Fv2.12\")\n  @link(url: \"https:\u002F\u002Fspecs.apollo.dev\u002Fconnect\u002Fv0.3\", import: [\"@source\", \"@connect\"])\n\n@source(name: \"api_name\", http: { baseURL: \"https:\u002F\u002Fapi.example.com\" })\n\ntype Query {\n  example(id: ID!): Example\n    @connect(\n      source: \"api_name\"\n      http: { GET: \"\u002Fexample\u002F{$args.id}\" }\n      selection: \"\"\"\n      id\n      name\n      \"\"\"\n    )\n}\n\ntype Example {\n  id: ID!\n  name: String\n}\n```\n\n**Version Requirements:** Always use `federation\u002Fv2.12` and `connect\u002Fv0.3` unless specified otherwise.\n\n## Reference Files\n\nBefore implementing connectors, read the relevant reference files:\n\n- [Grammar](references\u002Fgrammar.md) - Selection mapping EBNF syntax\n- [Methods](references\u002Fmethods.md) - Available transformation methods\n- [Variables](references\u002Fvariables.md) - Available mapping variables\n- [Entities](references\u002Fentities.md) - Entity patterns and batching\n- [Validation](references\u002Fvalidation.md) - Rover commands for validation\n- [Troubleshooting](references\u002Ftroubleshooting.md) - Common errors and solutions\n\n## Key Rules\n\n### Selection Mapping\n\n- Prefer sub-selections over `->map` for cleaner mappings\n- Do NOT use `$` when selecting fields directly from root\n- Field aliasing: `newName: originalField` (only when renaming)\n- Sub-selection: `fieldName { ... }` (to map nested content)\n\n```\n# DO - Direct sub-selection for arrays\n$.results {\n  firstName: name.first\n  lastName: name.last\n}\n\n# DO NOT - Unnecessary root $\n$ {\n  id\n  name\n}\n\n# DO - Direct field selection\nid\nname\n```\n\n### Entities\n\n- Add `@connect` on a type to make it an entity (no `@key` needed)\n- Create entity stubs in parent selections: `user: { id: userId }`\n- When you see an ID field (e.g., `productId`), create an entity relationship\n- Each entity should have ONE authoritative subgraph with `@connect`\n\n### Literal Values\n\nUse `$()` wrapper for literal values in mappings:\n\n```\n$(1)              # number\n$(true)           # boolean\n$(\"hello\")        # string\n$({\"a\": \"b\"})     # object\n\n# In body\nbody: \"$({ a: $args.a })\"  # CORRECT\nbody: \"{ a: $args.a }\"     # WRONG - will not compose\n```\n\n### Headers\n\n```graphql\nhttp: {\n  GET: \"\u002Fapi\"\n  headers: [\n    { name: \"Authorization\", value: \"Bearer {$env.API_KEY}\" },\n    { name: \"X-Forwarded\", from: \"x-client\" }\n  ]\n}\n```\n\n### Batching\n\nConvert N+1 patterns using `$batch`:\n\n```graphql\ntype Product @connect(\n  source: \"api\"\n  http: {\n    POST: \"\u002Fbatch\"\n    body: \"ids: $batch.id\"\n  }\n  selection: \"id name\"\n) {\n  id: ID!\n  name: String\n}\n```\n\n## Ground Rules\n\n- NEVER make up syntax or directive values not in this specification\n- NEVER use `--elv2-license accept` (for humans only)\n- ALWAYS ask for example API responses before writing code\n- ALWAYS validate with `rover supergraph compose` after changes\n- ALWAYS create entity relationships when you see ID fields\n- Prefer `$env` over `$config` for environment variables\n- Use `rover dev` for running Apollo Router locally\n",{"data":38,"body":43},{"name":4,"description":6,"license":27,"compatibility":39,"metadata":40,"allowed-tools":42},"Requires rover CLI installed. 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Use this skill when: (1) setting up or configuring Apollo MCP Server, (2) defining MCP tools from GraphQL operations, (3) using introspection tools (introspect, search, validate, execute), (4) troubleshooting MCP server connectivity or tool execution issues.\n",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1288,1289,1290,1291],{"name":22,"slug":23,"type":16},{"name":9,"slug":8,"type":16},{"name":14,"slug":15,"type":16},{"name":1292,"slug":1293,"type":16},"MCP","mcp","2026-04-06T18:01:20.578589",{"slug":1296,"name":1296,"fn":1297,"description":1298,"org":1299,"tags":1300,"stars":24,"repoUrl":25,"updatedAt":1307},"apollo-router","configure Apollo Router for GraphQL federation","Version-aware guide for configuring and running Apollo Router for federated GraphQL supergraphs. Generates correct YAML for both Router v1.x and v2.x. Use this skill when: (1) setting up Apollo Router to run a supergraph, (2) configuring routing, headers, or CORS, (3) implementing custom plugins (Rhai scripts or coprocessors), (4) configuring telemetry (tracing, metrics, logging), (5) troubleshooting Router performance or connectivity issues, (6) securing the graph with JWT, declarative field-level authorization directives, or persisted-query safelisting, (7) managing router.yaml as version-controlled config with CI\u002FCD validation.\n",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1301,1302,1303,1306],{"name":9,"slug":8,"type":16},{"name":1242,"slug":1243,"type":16},{"name":1304,"slug":1305,"type":16},"Deployment","deployment",{"name":14,"slug":15,"type":16},"2026-07-30T05:31:54.665938",{"slug":1309,"name":1309,"fn":1310,"description":1311,"org":1312,"tags":1313,"stars":24,"repoUrl":25,"updatedAt":1322},"apollo-router-plugin-creator","write Apollo Router Rust plugins","Guide for writing Apollo Router native Rust plugins. Use this skill when: (1) users want to create a new router plugin, (2) users want to add service hooks (router_service, supergraph_service, execution_service, subgraph_service), (3) users want to modify an existing router plugin, (4) users need to understand router plugin patterns or the request lifecycle. (5) triggers on requests like \"create a new plugin\", \"add a router plugin\", \"modify the X plugin\", or \"add subgraph_service hook\".\n",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1314,1315,1316,1319],{"name":9,"slug":8,"type":16},{"name":14,"slug":15,"type":16},{"name":1317,"slug":1318,"type":16},"Plugin Development","plugin-development",{"name":1320,"slug":1321,"type":16},"Rust","rust","2026-04-06T18:01:27.176974",{"slug":1324,"name":1324,"fn":1325,"description":1326,"org":1327,"tags":1328,"stars":24,"repoUrl":25,"updatedAt":1338},"apollo-server","build GraphQL servers with Apollo Server","Guide for building GraphQL servers with Apollo Server 5.x. Use this skill when: (1) setting up a new Apollo Server project, (2) writing resolvers or defining GraphQL schemas, (3) implementing authentication or authorization, (4) creating plugins or custom data sources, (5) troubleshooting Apollo Server errors or performance issues.\n",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1329,1330,1331,1332,1335],{"name":22,"slug":23,"type":16},{"name":9,"slug":8,"type":16},{"name":14,"slug":15,"type":16},{"name":1333,"slug":1334,"type":16},"Node.js","nodejs",{"name":1336,"slug":1337,"type":16},"TypeScript","typescript","2026-04-06T18:01:13.653038",{"slug":1340,"name":1340,"fn":1341,"description":1342,"org":1343,"tags":1344,"stars":24,"repoUrl":25,"updatedAt":1348},"graphql-operations","write GraphQL queries and mutations","Guide for writing GraphQL operations (queries, mutations, fragments) following best practices. Use this skill when: (1) writing GraphQL queries or mutations, (2) organizing operations with fragments, (3) optimizing data fetching patterns, (4) setting up type generation or linting, (5) reviewing operations for efficiency.\n",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1345,1346,1347],{"name":22,"slug":23,"type":16},{"name":9,"slug":8,"type":16},{"name":14,"slug":15,"type":16},"2026-04-06T18:01:25.530906",{"slug":1350,"name":1350,"fn":1351,"description":1352,"org":1353,"tags":1354,"stars":24,"repoUrl":25,"updatedAt":1359},"graphql-schema","design GraphQL schemas","Guide for designing GraphQL schemas following industry best practices. Use this skill when: (1) designing a new GraphQL schema or API, (2) reviewing existing schema for improvements, (3) deciding on type structures or nullability, (4) implementing pagination or error patterns, (5) ensuring security in schema design.\n",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1355,1356,1357,1358],{"name":22,"slug":23,"type":16},{"name":9,"slug":8,"type":16},{"name":1242,"slug":1243,"type":16},{"name":14,"slug":15,"type":16},"2026-04-06T18:01:19.140592",{"slug":1361,"name":1361,"fn":1362,"description":1363,"org":1364,"tags":1365,"stars":24,"repoUrl":25,"updatedAt":1371},"rover","manage GraphQL schemas with Apollo Rover","Guide for using Apollo Rover CLI to manage GraphQL schemas and federation. Use this skill when: (1) publishing or fetching subgraph\u002Fgraph schemas, (2) composing supergraph schemas locally or via GraphOS, (3) running local supergraph development with rover dev, (4) validating schemas with check and lint commands, (5) configuring Rover authentication and environment, (6) exploring or searching a graph's schema for agent-driven discovery (rover schema describe \u002F rover schema search).\n",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1366,1367,1370],{"name":9,"slug":8,"type":16},{"name":1368,"slug":1369,"type":16},"CLI","cli",{"name":14,"slug":15,"type":16},"2026-07-30T05:31:52.675547",{"items":1373,"total":571},[1374,1381,1388,1395,1404,1411,1418],{"slug":1212,"name":1212,"fn":1213,"description":1214,"org":1375,"tags":1376,"stars":24,"repoUrl":25,"updatedAt":1225},{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1377,1378,1379,1380],{"name":9,"slug":8,"type":16},{"name":1219,"slug":1220,"type":16},{"name":14,"slug":15,"type":16},{"name":1223,"slug":1224,"type":16},{"slug":4,"name":4,"fn":5,"description":6,"org":1382,"tags":1383,"stars":24,"repoUrl":25,"updatedAt":26},{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1384,1385,1386,1387],{"name":22,"slug":23,"type":16},{"name":9,"slug":8,"type":16},{"name":14,"slug":15,"type":16},{"name":19,"slug":20,"type":16},{"slug":1234,"name":1234,"fn":1235,"description":1236,"org":1389,"tags":1390,"stars":24,"repoUrl":25,"updatedAt":1245},{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1391,1392,1393,1394],{"name":22,"slug":23,"type":16},{"name":9,"slug":8,"type":16},{"name":1242,"slug":1243,"type":16},{"name":14,"slug":15,"type":16},{"slug":1247,"name":1247,"fn":1248,"description":1249,"org":1396,"tags":1397,"stars":24,"repoUrl":25,"updatedAt":1266},{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1398,1399,1400,1401,1402,1403],{"name":9,"slug":8,"type":16},{"name":14,"slug":15,"type":16},{"name":1255,"slug":1256,"type":16},{"name":1258,"slug":1259,"type":16},{"name":1261,"slug":1262,"type":16},{"name":1264,"slug":1265,"type":16},{"slug":1268,"name":1268,"fn":1269,"description":1270,"org":1405,"tags":1406,"stars":24,"repoUrl":25,"updatedAt":1281},{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1407,1408,1409,1410],{"name":1274,"slug":1275,"type":16},{"name":9,"slug":8,"type":16},{"name":14,"slug":15,"type":16},{"name":1279,"slug":1280,"type":16},{"slug":1283,"name":1283,"fn":1284,"description":1285,"org":1412,"tags":1413,"stars":24,"repoUrl":25,"updatedAt":1294},{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1414,1415,1416,1417],{"name":22,"slug":23,"type":16},{"name":9,"slug":8,"type":16},{"name":14,"slug":15,"type":16},{"name":1292,"slug":1293,"type":16},{"slug":1296,"name":1296,"fn":1297,"description":1298,"org":1419,"tags":1420,"stars":24,"repoUrl":25,"updatedAt":1307},{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1421,1422,1423,1424],{"name":9,"slug":8,"type":16},{"name":1242,"slug":1243,"type":16},{"name":1304,"slug":1305,"type":16},{"name":14,"slug":15,"type":16}]