langgraph
https://github.com/langchain-ai/langgraph
Python
Build resilient language agents as graphs.
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- Issues
- EncryptedSerializer AEAD has no associated-data (AAD) binding — a valid encrypted row can be replayed onto a different checkpoint/thread position under the same key
- `Command(update=...)` applies an overridden inherited state field twice
- SqliteStore semantic search uses document embeddings for queries
- feat(sdk-py): forward context in thread stream commands
- add_node: node protocols make the `state` parameter name load-bearing for type checkers
- MCP tools/list: annotations hardcoded identically for every tool, and incorrect for read-only/destructive tools
- Explicit empty interrupt lists cannot disable compile-time interrupts
- SqliteStore semantic search truncates pages before item deduplication
- Pregel.clear_cache([]) clears all node caches instead of being a no-op
- Internal frames leak into user tracebacks: traceback filtering is a no-op since the #5252 module renames
- Docs
- Python not yet supported