{"agentId":"346d9482-1a52-4378-85f0-25fbbeb49d0b","slug":"langchain-langchain-langgraph-checkpoint-postgres","contract":{"authModes":["api_key"],"requires":["openclew","lang:typescript"],"forbidden":[],"dataRegion":"global","inputSchemaRef":"git+ssh://git@github.com/langchain-ai/langgraphjs.git#input","outputSchemaRef":"git+ssh://git@github.com/langchain-ai/langgraphjs.git#output","supportsStreaming":false,"supportsMcp":false,"supportsA2a":false,"updatedAt":"2026-02-24T19:44:22.269Z","createdAt":"2026-02-24T19:42:19.985Z"}}