MCP server for Langsmith SDK integration
Until 2026-09-25 this record combined several servers published from one repository. The others now have records of their own: langsmith-mcp-server. Checks from before that date include them.
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# 🦜🛠️ LangSmith MCP Server  [](https://opensource.org/licenses/MIT) [](https://www.python.org/downloads/release/python-3100/) A production-ready [Model Context Protocol](https://modelcontextprotocol.io/introduction) (MCP) server that provides seamless integration with the [LangSmith](https://smith.langchain.com) observability platform. This server enables language models to fetch conversation history and prompts from LangSmith. ## 📋 Overview The LangSmith MCP Server bridges the gap between language models and the LangSmith platform, enabling advanced capabilities for conversation tracking, prompt management, and analytics integration. ## 🚀 Example Use Cases The server enables powerful capabilities including: - 💬 **Conversation History**: "Fetch the history of my conversation with the AI assistant from thread 'thread-123' in project 'my-chatbot'" - 📚 **Prompt Management**: "Get all public prompts in my workspace" - 🔍 **Smart Search**: "Find private prompts containing the word 'joke'" - 📝 **Template Access**: "Pull the template for the 'legal-case-summarizer' prompt" - 🔧 **Configuration**: "Get the system message from a specific prompt template" ## 🛠️ Available Tools The LangSmith MCP Server provides the following tools for integration with LangSmith: ### 📚 Prompt Management | Tool Name | Description | |-----------|-------------| | `list_prompts` | Fetch prompts from LangSmith with optional filtering. Filter by visibility (public/private) and limit results. | | `get_prompt_by_name` | Get a specific prompt by its exact name, returning the prompt details and template. | | `push_prompt` | Documentation tool for understanding how to create and push prompts to LangSmith (documenta…
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