fastapi-langgraph-agent-production-ready-template

Dependency freshness

Declared = lowest version the kit's dependency file (package.json, pyproject.toml or requirements.txt) allows. Latest = the npm "latest" tag or the newest PyPI release. TypeScript, the Stripe SDK, FastAPI and other 0.x packages are shown but not counted in the verdict.

What's in the stack

Framework

FastAPI

Database / ORM

PostgreSQL (psycopg), Alembic

AI

LangChain, LangGraph

API layer

Pydantic, Uvicorn

Detected from declared dependencies. A listed package means it's installed, not necessarily fully wired up.

What the README says you get

• AI
  LangGraph stateful agentstateful agent with checkpointing, tool calling, and human-in-the-loop support
• AI
  Long-term memoryLong-term memory via mem0 + pgvector — semantic search per user, cache-backed
• AI
  LLM fallback servicecircular model fallback, exponential backoff retries, and total timeout budget
• AI
  Custom tool registrationDrop a LangChain @tool-decorated function in app/core/langgraph/tools/
• Analytics
  Langfuse tracingLangfuse tracing on all LLM calls
• Analytics
  Prometheus and GrafanaPrometheus metrics + Grafana dashboards
• API
  Rate limitingrate limiting via slowapi
• Auth
  JWT auth with sessionsJWT auth with session management
• Data
  Alembic migrationsAlembic migrations
• Data
  Optional Valkey/Redis cacheoptional Valkey/Redis cache layer
• Deploy
  Docker Compose stackmake docker-up starts the API + PostgreSQL together
• Other
  Structured loggingStructured logging with request/session/user context on every line

Extracted from the kit's README by a local AI model (deepseek-flash) on Oct 19, 2026. Every item is checked against an exact README quote; 1 unverifiable item was discarded. A README claim is the maker's description, not something we tested.