langsmith-mcp-server — MCP Server by langchain-ai

About langsmith-mcp-server

🦜🛠️ LangSmith MCP Server A production-ready Model Context Protocol (MCP) server that provides seamless integration with the LangSmith observability platform. This server enables language models to fetch conversation history, prompts, runs and traces, datasets, experiments, and billing usage from LangSmith. 📋 Example Use Cases The server enables powerful capabilities including: 💬 Conversation History: "Fetch the history of my conversation from thread 'thread-123' in project 'my-chatbot'" (paginated by character budget) 📚 Prompt Management: "Get all public prompts in my workspace" / "Pull the template for the 'legal-case-summarizer' prompt" 🔍 Traces & Runs: "Fetch the latest 10 root runs from project 'alpha'" / "Get all runs for trace <uuid> (page 2 of 5)" 📊 Datasets: "List datasets of type chat" / "Read examples from dataset 'customer-support-qa'" 🧪 Experiments: "List experiments for dataset 'my-eval-set' with latency and cost metrics" 📈 Billing: "Get billing usage for Se

Quick Facts

Compatible Skills

These tools work well together with langsmith-mcp-server for enhanced workflows:

• davinci-resolve-mcp — semantic(0.68)+same_lang+similar_pop+shared_platform (59%)
• dify-plugin-mcp_server — semantic(1.00)+same_lang+similar_pop+shared_platform (55%)
• Claude-Code-Zen-mcp-Skill-Work — semantic(1.00)+same_lang+similar_pop+shared_platform (55%)

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Frequently Asked Questions