langsmith-mcp-server

don-aie-cohort8/langsmith-mcp-server

3.3

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LangSmith MCP Server is a FastMCP-based server that provides read-only access to LangSmith tools for querying existing traces without additional instrumentation.

Tools

Functions exposed to the LLM to take actions

ls_list_runs

List recent runs with filtering

ls_read_run

Read single run with optional children

ls_get_run_url

Generate shareable LangSmith URLs

ls_list_children

List child spans for parent run

Prompts

Interactive templates invoked by user choice

No prompts

Resources

Contextual data attached and managed by the client

No resources