perf mcp for Claude Desktop
io.github.perf-ai/perf-mcp
Fact-check and fix AI outputs. Hallucination detection, schema validation, auto-repair.
client:Claude Desktop
transport:stdio
runtime:npm
Install perf mcp in Claude Desktop
~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json
{
"mcpServers": {
"perf-mcp": {
"command": "npx",
"args": [
"-y",
"perf-mcp"
],
"env": {
"PERF_API_KEY": "<PERF_API_KEY>"
}
}
}
}
Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs