LocalFree server, account needed

Heimdall MCP server

enmanuelmag/heimdall-mcp

Transparent MCP proxy that intercepts JSON-RPC messages, measures latency, stores traces in SQLite, PostgreSQL or MySQL, and exports OpenTelemetry spans.

11 GitHub stars

Install Heimdall in Claude Code

This server doesn't publish a package to a registry, so follow the install steps in its README. Once it runs, register it with Claude Code:

Claude Code
claude mcp add heimdall -- <command to start the server>

Frequently asked questions

What does the Heimdall MCP server do?

Transparent MCP proxy that intercepts JSON-RPC messages, measures latency, stores traces in SQLite, PostgreSQL or MySQL, and exports OpenTelemetry spans.

Is the Heimdall MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Heimdall run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Heimdall to Claude Code?

Follow the install steps in the project's README at https://github.com/enmanuelmag/heimdall-mcp, then register it with "claude mcp add".

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