enmanuelmag/heimdall-mcp
by Various
Transparent MCP proxy with OpenTelemetry tracing. Wrap any MCP server and persist traces to SQLite, Postgres or MySQL.
MCP
enmanuelmag/heimdall-mcp
Added 7 June 2026
Overview
Heimdall MCP is a transparent proxy for MCP servers that adds OpenTelemetry tracing. It wraps any MCP server and persists trace data to SQLite, Postgres, or MySQL for observability.
Best for
Best for
Developers needing observability for MCP servers in production or debugging workflows
Use cases
- Add distributed tracing to existing MCP servers without code changes
- Debug MCP server behavior by inspecting persisted trace data
- Monitor MCP server performance in production environments
Notes
Heimdall MCP is a transparent proxy for MCP servers that adds OpenTelemetry tracing. It wraps any MCP server and persists trace data to SQLite, Postgres, or MySQL for observability.
8 stars on GitHub. Last updated 2026-05-27.
Use cases
- Add distributed tracing to existing MCP servers without code changes
- Debug MCP server behavior by inspecting persisted trace data
- Monitor MCP server performance in production environments
Pros
- Works with any MCP server as a drop-in proxy
- Supports multiple storage backends (SQLite, Postgres, MySQL)
- Lightweight TypeScript implementation
Cons
- Small community with only 8 GitHub stars
- Limited documentation and examples
- Requires separate OpenTelemetry collector setup for advanced use
Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.
Pros
- Works with any MCP server as a drop-in proxy
- Supports multiple storage backends (SQLite, Postgres, MySQL)
- Lightweight TypeScript implementation
Cons
- Small community with only 8 GitHub stars
- Limited documentation and examples
- Requires separate OpenTelemetry collector setup for advanced use
Pairs with
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