langsmith
pipStandardThe LangSmith MCP server connects AI agents to LangSmith for conversation tracking and prompt management. It exposes tools for logging, evaluating, and analyzing language model interactions. The server integrates with LangSmith's observability platform, providing developers with insights into model performance and usage. Ideal for teams building and monitoring LLM applications.
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Overview
The LangSmith MCP server connects AI agents to LangSmith for conversation tracking and prompt management. It exposes tools for logging, evaluating, and analyzing language model interactions. The server integrates with LangSmith's observability platform, providing developers with insights into model performance and usage. Ideal for teams building and monitoring LLM applications.
Installation
1Install the package
pip
pip install langsmith-mcp-server2Add to Claude
Add this configuration to your claude_desktop_config.json:
claude_desktop_config.json
{
"mcpServers": {
"langchain-ai-langsmith-mcp-server-github": {
"command": "uvx",
"args": [
"pip install langsmith-mcp-server"
]
}
}
}3Verify installation
Restart Claude Desktop, then ask:
"What tools do you have available from langsmith?"
Prerequisites
- Python 3.10 or higher
- pip or uv package manager
- Claude Desktop or Claude API access
- API key for langsmith
Configuration
API Key Required
This server requires an API key from langsmith. Add it to your environment or config.
| Variable | Required | Description |
|---|---|---|
| LANGSMITH_API_KEY | Yes | Your langsmith API key |
Usage Examples
List Resources
"What resources are available in langsmith?"
Claude will query available resources and return a list of what you can access.
Get Details
"Show me details about [specific item] in langsmith"
Claude will fetch and display detailed information about the requested item.
Create New
"Create a new [item] in langsmith with [details]"
Claude will use the appropriate tool to create the resource and confirm success.
Works with langsmith
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