AI Agent Health Check 2026

The agent ran without issues for three days, then suddenly got stuck on the fourth. Without a health check, you only find out when users complain.

💡 What You Will Learn

The agent ran without issues for three days, then suddenly got stuck on the fourth. Without a health check, you only find out when users complain.

@app.get("/health")
async def health_check():
    try:
        await llm.ping()
        return {"status": "ok", "llm": "connected"}
    except Exception as e:
        return {"status": "degraded", "llm": str(e)}

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Summary

@app.get("/health")
async def health():
    checks = {
        "llm": await check_llm(),
        "redis": await check_redis(),
        "vector_db": await check_vector_db(),
        "tools": await check_all_tools(),
    }
    all_ok = all(v.get("status") == "ok" for v in checks.values())
    return {
        "status": "ok" if all_ok else "degraded",
        "checks": checks,
        "uptime": get_uptime()
    }