Logfire FAQs

Question 1

What kind of queries can I run on Logfire?

Accepted Answer

Logfire allows you to run arbitrary SQL queries on your OpenTelemetry traces and metrics, giving you the flexibility to analyze your data in any way you need. You can also use built-in tools for finding exceptions and getting schema information.

Question 2

What is Logfire?

Accepted Answer

Logfire allows Large Language Models (LLMs) to retrieve, analyze, and use application telemetry data. It leverages OpenTelemetry traces and metrics, enabling powerful debugging and monitoring workflows.

Question 3

How do I set up Logfire?

Accepted Answer

You'll need a Logfire read token and an MCP client like Cursor, Claude Desktop, or Cline. Install the Logfire MCP server and configure your client with the provided examples, using your read token.

Question 4

How does Logfire work?

Accepted Answer

Logfire uses a Model Context Protocol (MCP) server that exposes your OpenTelemetry data to LLMs. This server allows LLMs to execute SQL queries, find exceptions, and access trace information via APIs.

Question 5

What data sources does Logfire support?

Accepted Answer

Logfire primarily supports OpenTelemetry traces and metrics. Ensure your applications are instrumented with OpenTelemetry to take full advantage of Logfire's capabilities.

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