mcp server for Claude Code

io.github.spanlens/mcp-server

Query Spanlens LLM observability from Cursor, Claude Desktop, or Continue via MCP.

client:Claude Code transport:stdio runtime:npm

Install mcp server in Claude Code

run in your project directory

claude mcp add mcp-server -e SPANLENS_API_KEY=<SPANLENS_API_KEY> -e SPANLENS_BASE_URL=<SPANLENS_BASE_URL> -- npx -y @spanlens/mcp-server

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs