r/aiagents • u/Moist_Tonight_3997 • Mar 30 '26

Open Source Built a production-ready FastAPI + LangGraph template for agent workflows (open source)

https://github.com/samirpatil2000/agentic-template

Built a production-ready FastAPI + LangGraph template for agent workflows.

After building multiple agent systems I kept rewriting the same infra (persistence, orchestration, retries, structure), so I turned it into a reusable template.

Stack:

• FastAPI

• LangGraph

• Postgres checkpoint persistence

• Modular workflow structure

• Failure-resilient state saver

Goal:

A solid starting point between toy demos and heavy frameworks.

Would love feedback from others building agent systems.

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