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⚡ 1-Click Agent & Developer Install

Zero Auth · Ready for Grok Bot, Claude Code & Cursor

### Server Architecture & Capability Summary **Logfire MCP — Provides access to OpenTelemetry traces and metrics through Logfire** (`logfire-mcp`) is a verified **STDIO** Model Context Protocol (MCP) server curated with **@threepointone** for Grok Bot, Claude Code, and Cursor. Provides access to OpenTelemetry traces and metrics through Logfire. ### 1-Click CLI Installation Run the command below to register `logfire-mcp` in Claude Code or your MCP client: ```bash claude mcp add logfire-mcp -- npx -y github:pydantic/logfire-mcp ``` ### Standard `mcpServers` JSON Configuration (`.cursor/mcp.json` / `claude_desktop_config.json`) ```json { "mcpServers": { "logfire-mcp": { "command": "npx", "args": [ "-y", "github:pydantic/logfire-mcp" ], "env": { "LOGFIRE_API_KEY": "your_scoped_api_token" } } } } ``` ### Exposed MCP Tools - `logfire_list_resources` — Deterministic JSON-RPC 2.0 tool exposed by `logfire-mcp`. - `logfire_query_data` — Deterministic JSON-RPC 2.0 tool exposed by `logfire-mcp`. - `logfire_inspect_state` — Deterministic JSON-RPC 2.0 tool exposed by `logfire-mcp`. - `logfire_run_action` — Deterministic JSON-RPC 2.0 tool exposed by `logfire-mcp`. ### Authentication & Environment Variables - **Transport Protocol:** `stdio` - **Auth Mechanism:** `api_key` - `LOGFIRE_API_KEY`: `your_scoped_api_token` - **Documentation / Source:** [https://github.com/pydantic/logfire-mcp](https://github.com/pydantic/logfire-mcp)

Tags: #logfire-mcp#stdio#engineering#mcp-server#logfire-list-resources#logfire-query-data

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