langchain
https://github.com/langchain-ai/langchain
Python
⚡ Building applications with LLMs through composability ⚡
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- Issues
- fix(langchain): add MCP Discovery tool for dynamic MCP server discovery
- pass tool_call_id to on_tool_start callback
- feat(openai): add chatopenrouter to preserve model-specific parameters
- Dynamically ends Agent loop in Tool execution
- Structured Output doesn't work with ChatOpenAI via proxy LiteLLM
- docs: RecursiveCharacterTextSplitter lacks guidance for non-Latin scripts (Arabic, CJK)
- Add WordTextSplitter for word-based text chunking
- fix(langchain): handle NextJS catch-all route files in path validation
- Human In the Loop Middleware throws error when the agent is invoked as .ainvoke()
- Error passing prompt to `create_react_agent()`
- Docs
- Python not yet supported