langgraph
https://github.com/langchain-ai/langgraph
Python
Build resilient language agents as graphs.
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- Issues
- InMemoryStore hands out live references, so mutating a value silently rewrites stored memory (and diverges from SqliteStore/PostgresStore)
- Store batch()/abatch() bypass namespace validation: empty and reserved 'langgraph' namespaces become writable
- Resume after a conditional-router exception skips routing and returns normally
- Command(resume={...}) with 32-hex keys that match no pending interrupt id is silently ignored
- `datetime` silently loses its `ZoneInfo` (and `fold`) on checkpoint round-trip, so DST arithmetic after a resume is wrong
- Store filter $and/$or combinators: InMemoryStore silently returns no matches, SqliteStore raises
- InMemoryStore.batch() raises ValueError when multiple items contain identical indexed text
- [Resource] GeoMind: Knowledge Graph Dataset for Agent Retrieval and Tool-use Testing
- feat: Send to same subgraph in parallel with persistent memory
- No public config knob to run graph tasks on the caller thread (CONFIG_KEY_RUNNER_SUBMIT is private)
- Docs
- Python not yet supported