Install langgraph-checkpoint-postgres and psycopg-pool Create and open an AsyncConnectionPool Create an AsyncPostgresSaver and call setup () once to create the three tables (checkpoints, ...
Three patched LangGraph flaws could let attackers chain SQL injection and unsafe deserialization for RCE in self-hosted ...
一个基于 LangGraph + FastAPI 的 AI Agent 服务工具包，当前实现了一个完整的旅行规划 Agent。
Bug Description When using MemoryMiddleware with StoreBackend (PostgreSQL-backed LangGraph store), the agent raises TypeError: 'Overwrite' object is not iterable during tool call result interception.
The direction I’m planning next is this: checkpointer = AsyncPostgresSaver (conn) # lives in PostgreSQL Because that shift would unlock: → Persistent history across server restarts → Clean isolation ...
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