langchain
https://github.com/langchain-ai/langchain
Python
⚡ Building applications with LLMs through composability ⚡
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- Issues
- feat(core): add decision models
- feat(typesafe): implement TypeSafeClassifier as a decision model
- feat(langchain): add model router and auto mode middleware
- feat(anthropic): support Claude Fable and Mythos 5.2
- docs(core): fix minor typos in tools/base.py comments
- Tool returning a pydantic model yields a Python repr instead of JSON in ToolMessage.content
- core: a run is left open when cancellation lands during its start callbacks
- core: agent action/finish callbacks are dropped when the run is cancelled from an anyio cancel scope
- fix(langchain): load MCP tool metadata on the invocation session
- fix(langchain): bound brace expansion in file search include patterns
- Docs
- Python not yet supported