Iron Law

NO AGENT GRAPH WITHOUT AN ITERATION LIMIT AND A HUMAN-IN-THE-LOOP CHECKPOINT — unbounded loops and silent runaway agents are production incidents

Agentic AI Development Skill — Python 3.14 + LangChain + LangGraph + FastAPI

Quick Scaffold

uv init my-agent-service && cd my-agent-service
uv add "langchain-core>=1.2.8" "langchain-anthropic>=1.3.0" "langchain-openai>=1.1.0" "langgraph>=1.0.7" \
  "fastapi>=0.135.2" "uvicorn[standard]" pydantic pydantic-settings \
  langsmith prometheus-client structlog httpx asyncpg \
  "langgraph-checkpoint-postgres>=3.0.0"
uv add --dev pytest pytest-asyncio httpx ruff mypy

Process