{"id":"firebase-auth-api","name":"Firebase Authentication API","homepage":"https://firebase.google.com/products/auth","repo_url":"https://github.com/firebase/firebase-admin-node","category":"authentication","subcategories":["identity","social-login","user-management"],"tags":["firebase","google","authentication","identity","social-login","jwt","rest-api","sdk"],"what_it_does":"Google Firebase's authentication service supporting email/password, phone, and social logins (Google, Apple, GitHub, etc.) with a backend Admin SDK for user management and token verification.","use_cases":["Adding multi-provider auth to mobile or web apps quickly","Verifying Firebase ID tokens on the backend via Admin SDK","Managing users programmatically (create, disable, delete) via Admin SDK","Custom token generation for server-side authentication flows","Linking multiple auth providers to a single user account"],"not_for":["Enterprise SSO/SAML (use Auth0, WorkOS, or Okta instead)","Complex authorization/RBAC beyond basic user management","Teams avoiding Google/GCP dependency"],"best_when":"You're already in the Firebase/GCP ecosystem and need simple multi-provider auth without enterprise features.","avoid_when":"You need SAML SSO, complex RBAC, or want to avoid vendor lock-in with Google.","alternatives":["auth0-api","clerk-api","workos-api"],"af_score":79.4,"security_score":null,"reliability_score":null,"package_type":"mcp_server","discovery_source":["github"],"priority":"low","status":"evaluated","version_evaluated":"current","last_evaluated":"2026-03-01T09:50:05.575375+00:00","performance":{"latency_p50_ms":100,"latency_p99_ms":400,"uptime_sla_percent":99.95,"rate_limits":"Admin SDK: 1 request/second per project for some operations; higher for reads","data_source":"llm_estimated","measured_on":null}}