Grafana Loki MCP Server

Example Use Cases

• 1

  Query and retrieve Loki log lines from a Grafana instance for monitoring or incident investigation.

• 2

  Enumerate Loki label names and values to build dynamic log queries or filter options.

• 3

  Format and truncate log output (text, JSON, or Markdown) before presenting results to users or other systems.

Description

This FastMCP-compatible server exposes tools to query Loki logs, retrieve label names and values, and format results as text, JSON, or Markdown. It supports both stdio and SSE transports and accepts Grafana connection details via environment variables or CLI arguments. The project lets automation agents programmatically access and filter Grafana-hosted logs using a Grafana URL and API key, simplifying integration into workflows and debugging pipelines.