Echoproof
Replay real HTTP traffic against base and changed builds; flag behavior changes the intent omits.
Install
Run one of the commands below, then add the client config underneath.
cargoechoproof
About this server
Echoproof is listed in the Developer Tools category of the MCPNav directory. It is distributed as cargo and can be loaded by any client that speaks the Model Context Protocol.
Typical uses include giving your assistant scoped access to the corresponding service so it can answer questions and take actions with real data instead of guessing. Always review what a server can access before you enable it — see our MCP security guide.
Frequently asked questions
What is the Echoproof MCP server?
Echoproof is an MCP server by est57. Replay real HTTP traffic against base and changed builds; flag behavior changes the intent omits.
How do I install Echoproof?
Install it with: echoproof. Then add the JSON config to your client's MCP settings and restart the client.
Is Echoproof free to use?
The MCP server itself is free to install. The source is public on https://github.com/est57/echoproof. Any third-party API it calls (such as a search or maps API) may require its own key and billing.
Which clients support Echoproof?
Any MCP-compatible client can use it, including Claude Desktop, Cursor, VS Code, Windsurf and custom agents.
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