Replay real HTTP traffic against base and changed builds; flag behavior changes the intent omits.
Connect Runs on your machine
claude mcp add echoproof -e ANTHROPIC_API_KEY=<ANTHROPIC_API_KEY> -- echoproof
{
"mcpServers": {
"echoproof": {
"command": "echoproof",
"args": [],
"env": {
"ANTHROPIC_API_KEY": "<ANTHROPIC_API_KEY>"
}
}
}
}
{
"mcpServers": {
"echoproof": {
"command": "echoproof",
"args": [],
"env": {
"ANTHROPIC_API_KEY": "<ANTHROPIC_API_KEY>"
}
}
}
}
{
"servers": {
"echoproof": {
"type": "stdio",
"command": "echoproof",
"args": [],
"env": {
"ANTHROPIC_API_KEY": "<ANTHROPIC_API_KEY>"
}
}
}
}
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
ANTHROPIC_API_KEYOptional, secret | Used only when a check is given an intent to judge. |
Details
| Package | [email protected] (CARGO, stdio) |
| First published | 15 Oct 2026 |
| Last updated | 15 Oct 2026 |
| Registry name | io.github.est57/echoproof |
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