Heimdall MCP is a transparent proxy designed for any MCP server, allowing for the interception of JSON-RPC messages and measuring of latency. With support for persistence in SQLite, PostgreSQL, or MySQL, this tool enables robust tracing without modification to the original server. Explore various usage modes tailored to specific needs.
Heimdall MCP is a transparent proxy designed for any MCP (Model Context Protocol) server, providing the ability to intercept all JSON-RPC messages, measure latency, and store traces in a versatile database, without modifying the original server.
This tool is particularly valuable for developers aiming to enhance their data tracing capabilities while maintaining the integrity of their existing setups. By utilizing OpenTelemetry tracing, Heimdall MCP allows for the monitoring and analysis of communication between MCP clients and servers.
The architecture of Heimdall MCP ensures that the MCP client interacts with a proxy interface while the real MCP server communicates through standard I/O channels. Each request-response interaction is recorded as a span, capturing key attributes along with their respective input and output messages.
The proxy can export each trace to a Jaeger instance for real-time visual monitoring via OTLP HTTP. This feature enhances the ability to track and optimize the performance of MCP communications, providing insights directly from the Jaeger UI.
For further details, implementation examples, and documentation, visit the Heimdall MCP Website.
With its rich feature set and flexibility, Heimdall MCP stands as a robust solution for anyone working with MCP servers who need reliable and detailed telemetry.
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