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Use when downloading\u002Fdeploying remoteconfig JSON templates, managing version history\u002Ffeature flags, setting in-app defaults, fetchAndActivate(), real-time listeners, or SDK setup. Don't use for Firebase Hosting, Auth, Firestore, Data Connect, Crashlytics, or App Hosting.\ncompatibility: This skill is best used with the Firebase CLI, but does not require it. Firebase CLI can be accessed through `npx -y firebase-tools@latest`.\n---\n\n# Remote Config\n\nThis skill provides a complete guide for getting started with Remote Config on\nAndroid or iOS. Remote Config allows you to change the behavior and appearance\nof your app without publishing an app update by maintaining a cloud-based\nconfiguration template.\n\n## Prerequisites\n\nProvisioning Remote Config requires both a Firebase project and a Firebase app,\neither Android or iOS. To manage the Remote Config template and conditions via\nthe command line, use the Firebase CLI. See the `firebase-basics` skill for\nreferences on project initialization.\n\n## Troubleshooting Execution\n\n### Handling npx 403 Forbidden Errors\n\nIf `npx -y firebase-tools@latest` fails due to registry permissions (403 error):\n\n1. **Inform the user**: \"I am unable to fetch the latest Firebase tools via npx\n   due to a registry error.\"\n1. **Fallback**: Attempt to use the local `firebase` command directly if the\n   user confirms it is installed globally (`npm install -g firebase-tools`).\n\n### Handling Project Context Issues\n\nIf a command fails because \"no active project is selected\":\n\n1. **Check login**: Run `npx -y firebase-tools@latest login:list`.\n1. **Prompt for ID**: If logged in but no project is active, ask the user:\n   \"Please provide your Firebase Project ID to proceed.\"\n1. **Use Flag**: Append `--project \u003CPROJECT_ID>` to every subsequent command.\n\n## SDK Setup\n\nTo learn how to set up Remote Config in your application code, choose your\nplatform:\n\n- **Android**: [android_setup.md](references\u002Fandroid_setup.md)\n- **iOS**: [ios_setup.md](references\u002Fios_setup.md)\n\n## Best Practices and Template Management\n\nFollow these guidelines and use the associated CLI tools to ensure efficient and\nsafe use of Remote Config.\n\n### Fetching Strategies\n\nTo optimize app performance and user experience, follow these recommended\npatterns (see\n[Loading Strategies](https:\u002F\u002Ffirebase.google.com\u002Fdocs\u002Fremote-config\u002Floading)):\n\n- **Load new values for next startup**: The most effective pattern is to\n  activate previously fetched values immediately on startup and fetch new values\n  in the background to be used next time. 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Determine the correct signal (e.g., device.country or percent) and\n  update the \"conditions\" array and \"parameters\" map accordingly.\n\n- **MANDATORY: User Review and Verification** : STOP and ask the user to verify\n  your changes before proceeding to deployment.\n\n  - Action: Inform the user: \"I have prepared the changes in remote_config.json.\n    Please review the file for accuracy. 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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":655,"total":836},[656,672,689,709,724,739,755,771,784,797,805,821],{"slug":657,"name":657,"fn":658,"description":659,"org":660,"tags":661,"stars":27,"repoUrl":28,"updatedAt":671},"extension-to-functions-codebase","convert Firebase Extensions to Cloud Functions","Skill for converting an installed Firebase Extension (or extension source) to a standalone Cloud Functions for Firebase codebase or publishable npm package, including upgrading triggers from V1 to V2 and configuring lifecycle hooks and declarative security",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[662,665,666,669],{"name":663,"slug":664,"type":15},"Cloud Functions","cloud-functions",{"name":26,"slug":8,"type":15},{"name":667,"slug":668,"type":15},"Migration","migration",{"name":670,"slug":670,"type":15},"npm","2026-07-31T06:23:32.436718",{"slug":673,"name":673,"fn":674,"description":675,"org":676,"tags":677,"stars":27,"repoUrl":28,"updatedAt":688},"firebase-ai-logic-basics","integrate Firebase AI Logic","Official skill for integrating Firebase AI Logic (Gemini API) into web applications. Covers setup, multimodal inference, structured output, and security.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[678,681,682,685],{"name":679,"slug":680,"type":15},"Backend","backend",{"name":26,"slug":8,"type":15},{"name":683,"slug":684,"type":15},"Gemini","gemini",{"name":686,"slug":687,"type":15},"LLM","llm","2026-07-31T05:53:23.557174",{"slug":690,"name":690,"fn":691,"description":692,"org":693,"tags":694,"stars":27,"repoUrl":28,"updatedAt":708},"firebase-app-hosting-basics","deploy web apps with Firebase App Hosting","Deploys and manages full-stack web applications (Next.js, Angular) with Server-Side Rendering (SSR) using Firebase App Hosting. Use when deploying Next.js\u002FAngular apps, configuring apphosting.yaml or firebase.json apphosting blocks, managing secrets, setting up GitHub CI\u002FCD, or configuring Blaze billing requirements. Don't use for classic static web hosting, Auth, Firestore, Crashlytics, or Xcode.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[695,698,701,702,705],{"name":696,"slug":697,"type":15},"Angular","angular",{"name":699,"slug":700,"type":15},"Deployment","deployment",{"name":26,"slug":8,"type":15},{"name":703,"slug":704,"type":15},"Frontend","frontend",{"name":706,"slug":707,"type":15},"Next.js","next-js","2026-07-31T05:53:19.57287",{"slug":710,"name":710,"fn":711,"description":712,"org":713,"tags":714,"stars":27,"repoUrl":28,"updatedAt":723},"firebase-auth-basics","set up Firebase Authentication","Guide for setting up and using Firebase Authentication. Use this skill when the user's app requires user sign-in, user management, or secure data access using auth rules.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[715,718,719,720],{"name":716,"slug":717,"type":15},"Auth","auth",{"name":679,"slug":680,"type":15},{"name":26,"slug":8,"type":15},{"name":721,"slug":722,"type":15},"Security","security","2026-07-31T05:53:20.79137",{"slug":77,"name":77,"fn":725,"description":726,"org":727,"tags":728,"stars":27,"repoUrl":28,"updatedAt":738},"build applications with Firebase","Provides foundational Firebase CLI setup, CLI installation, version checks (`firebase-tools@latest --version`), CLI login (including --no-localhost), project creation, project selection (`firebase use`), and app config file downloads (`google-services.json`, `GoogleService-Info.plist`). Use ONLY for CLI login, project creation\u002Fswitching, or downloading app config files. Don't use for Firebase Hosting deploy, Firestore, Auth, App Hosting, Data Connect, Crashlytics, or Remote Config.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[729,732,733,736,737],{"name":730,"slug":731,"type":15},"Authentication","authentication",{"name":679,"slug":680,"type":15},{"name":734,"slug":735,"type":15},"Database","database",{"name":699,"slug":700,"type":15},{"name":26,"slug":8,"type":15},"2026-07-31T05:53:21.570684",{"slug":740,"name":740,"fn":741,"description":742,"org":743,"tags":744,"stars":27,"repoUrl":28,"updatedAt":754},"firebase-crashlytics","set up and manage Firebase Crashlytics","Comprehensive guide for Firebase Crashlytics, including provisioning and SDK usage. Use this skill when the user needs help setting up Crashlytics, adding crash reporting, or using the Crashlytics SDK in their application.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[745,747,748,750,751],{"name":229,"slug":746,"type":15},"android",{"name":26,"slug":8,"type":15},{"name":246,"slug":749,"type":15},"ios",{"name":20,"slug":21,"type":15},{"name":752,"slug":753,"type":15},"Observability","observability","2026-05-01T05:54:14.072678",{"slug":756,"name":756,"fn":757,"description":758,"org":759,"tags":760,"stars":27,"repoUrl":28,"updatedAt":770},"firebase-data-connect","build backends with Firebase Data Connect","Builds and deploys Firebase SQL Connect (aka Firebase Data Connect) backends with PostgreSQL securely. Use when designing schemas with tables and relations, writing authorized queries and mutations, configuring real-time data updates, or generating type-safe SDKs. Use when you need a relational database with Firebase, or when the user mentions SQL Connect or Data Connect.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[761,762,763,764,767],{"name":679,"slug":680,"type":15},{"name":734,"slug":735,"type":15},{"name":26,"slug":8,"type":15},{"name":765,"slug":766,"type":15},"GraphQL","graphql",{"name":768,"slug":769,"type":15},"PostgreSQL","postgresql","2026-04-06T18:12:07.681031",{"slug":772,"name":772,"fn":773,"description":774,"org":775,"tags":776,"stars":27,"repoUrl":28,"updatedAt":783},"firebase-firestore","manage and query Cloud Firestore databases","Sets up, manages, queries, and configures Cloud Firestore databases (Standard\u002FEnterprise edition), including data modeling, security rules, indexes, and SDK integrations (Web, Python, iOS, Android, Flutter). Use when creating\u002Flisting Firestore databases, defining data models\u002Findexes, writing SDK queries, or integrating Firestore SDKs. Don't use for Firebase Hosting, Data Connect, Auth, Storage\u002FGCS, Crashlytics, Functions, or BigQuery.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[777,778,779,780],{"name":679,"slug":680,"type":15},{"name":734,"slug":735,"type":15},{"name":26,"slug":8,"type":15},{"name":781,"slug":782,"type":15},"NoSQL","nosql","2026-07-31T05:53:17.562137",{"slug":785,"name":785,"fn":786,"description":787,"org":788,"tags":789,"stars":27,"repoUrl":28,"updatedAt":796},"firebase-hosting-basics","deploy static apps with Firebase Hosting","Deploys and configures classic Firebase Hosting for static websites, single-page apps (SPAs), and microservices. Use when deploying static sites\u002FSPAs, setting up custom domains, configuring firebase.json hosting settings (redirects, rewrites, headers, multi-site), or managing preview channels. Don't use for Firebase App Hosting (Next.js\u002FSSR), Auth, Firestore queries\u002Frules, Data Connect, or Crashlytics.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[790,791,792,793],{"name":699,"slug":700,"type":15},{"name":26,"slug":8,"type":15},{"name":703,"slug":704,"type":15},{"name":794,"slug":795,"type":15},"Web Development","web-development","2026-07-31T05:53:22.565034",{"slug":4,"name":4,"fn":5,"description":6,"org":798,"tags":799,"stars":27,"repoUrl":28,"updatedAt":29},{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[800,801,802,803,804],{"name":13,"slug":14,"type":15},{"name":17,"slug":18,"type":15},{"name":26,"slug":8,"type":15},{"name":20,"slug":21,"type":15},{"name":23,"slug":24,"type":15},{"slug":806,"name":806,"fn":807,"description":808,"org":809,"tags":810,"stars":27,"repoUrl":28,"updatedAt":820},"firebase-security-rules-auditor","audit Firestore security rules","Audits Firebase (Firestore, Cloud Storage) security rules for vulnerabilities, privilege escalation, role bypasses, create vs update inconsistencies, resource exhaustion, type safety, size limits, and hasOnly ownership checks. Use when auditing\u002Freviewing rules, running red-team rule assessments, or scoring against auditor checklists. Don't use for Firebase CLI (login, deploy), Auth, Crashlytics, Remote Config, or database queries.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[811,814,817,818,819],{"name":812,"slug":813,"type":15},"Audit","audit",{"name":815,"slug":816,"type":15},"Compliance","compliance",{"name":734,"slug":735,"type":15},{"name":26,"slug":8,"type":15},{"name":721,"slug":722,"type":15},"2026-07-31T05:53:16.588011",{"slug":822,"name":822,"fn":823,"description":824,"org":825,"tags":826,"stars":27,"repoUrl":28,"updatedAt":835},"xcode-project-setup","manage Xcode project dependencies and packages","Safely modifies Xcode projects (.pbxproj) to add Swift Packages and link files. Use this skill whenever an iOS project needs dependencies installed (e.g. Firebase, Alamofire).",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[827,828,829,832],{"name":246,"slug":749,"type":15},{"name":20,"slug":21,"type":15},{"name":830,"slug":831,"type":15},"Swift","swift",{"name":833,"slug":834,"type":15},"Xcode","xcode","2026-05-01T05:54:12.834251",12,{"items":838,"total":836},[839,846,853,861,868,876,884],{"slug":657,"name":657,"fn":658,"description":659,"org":840,"tags":841,"stars":27,"repoUrl":28,"updatedAt":671},{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[842,843,844,845],{"name":663,"slug":664,"type":15},{"name":26,"slug":8,"type":15},{"name":667,"slug":668,"type":15},{"name":670,"slug":670,"type":15},{"slug":673,"name":673,"fn":674,"description":675,"org":847,"tags":848,"stars":27,"repoUrl":28,"updatedAt":688},{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[849,850,851,852],{"name":679,"slug":680,"type":15},{"name":26,"slug":8,"type":15},{"name":683,"slug":684,"type":15},{"name":686,"slug":687,"type":15},{"slug":690,"name":690,"fn":691,"description":692,"org":854,"tags":855,"stars":27,"repoUrl":28,"updatedAt":708},{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[856,857,858,859,860],{"name":696,"slug":697,"type":15},{"name":699,"slug":700,"type":15},{"name":26,"slug":8,"type":15},{"name":703,"slug":704,"type":15},{"name":706,"slug":707,"type":15},{"slug":710,"name":710,"fn":711,"description":712,"org":862,"tags":863,"stars":27,"repoUrl":28,"updatedAt":723},{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[864,865,866,867],{"name":716,"slug":717,"type":15},{"name":679,"slug":680,"type":15},{"name":26,"slug":8,"type":15},{"name":721,"slug":722,"type":15},{"slug":77,"name":77,"fn":725,"description":726,"org":869,"tags":870,"stars":27,"repoUrl":28,"updatedAt":738},{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[871,872,873,874,875],{"name":730,"slug":731,"type":15},{"name":679,"slug":680,"type":15},{"name":734,"slug":735,"type":15},{"name":699,"slug":700,"type":15},{"name":26,"slug":8,"type":15},{"slug":740,"name":740,"fn":741,"description":742,"org":877,"tags":878,"stars":27,"repoUrl":28,"updatedAt":754},{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[879,880,881,882,883],{"name":229,"slug":746,"type":15},{"name":26,"slug":8,"type":15},{"name":246,"slug":749,"type":15},{"name":20,"slug":21,"type":15},{"name":752,"slug":753,"type":15},{"slug":756,"name":756,"fn":757,"description":758,"org":885,"tags":886,"stars":27,"repoUrl":28,"updatedAt":770},{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[887,888,889,890,891],{"name":679,"slug":680,"type":15},{"name":734,"slug":735,"type":15},{"name":26,"slug":8,"type":15},{"name":765,"slug":766,"type":15},{"name":768,"slug":769,"type":15}]