langchain
https://github.com/langchain-ai/langchain
Python
⚡ Building applications with LLMs through composability ⚡
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- Issues
- refactor(core): use `get_type_hints` for annotation preservation
- fix(ollama): support `response_format` in `ChatOllama`
- Error in create_agent() when enable "messages" streaming mode: 'Error: is not a valid tool'
- Bug Report: MCP Tools Return List Instead of String, Breaking Chat Model Serialization
- Default react agent from create_react_agent(...) loses tool argument descriptions
- `EvaluationResult.feedback_config` silently drops unknown or partial dict fields without error
- QdrantVectorStore cannot be used in a truly async form, no alternative is provided
- fix(core): remove extraneous title fields from nested schema for pydantic v2 tool calling
- fix(langchain): prevent index desync causing `invalid_tool_calls`
- fix(core): remove orphaned `ToolMessage` objects in `trim_messages`
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