Perf MCP Server
by perf-technologyio.github.Perf-AI/perf-mcpv0.1.1
Fact-check and fix AI outputs. Catches hallucinations, repairs broken JSON, corrects errors — before they reach users.
context tax
queued
security
queued
cold start
queued
freshness
Stale8mo ago
Install Perf MCP server
Install in Claude Code
claude mcp add perf -e PERF_API_KEY='<perf-api-key>' -- npx -y perf-mcpInstall in Cursor
{
"mcpServers": {
"perf": {
"command": "npx",
"args": [
"-y",
"perf-mcp"
],
"env": {
"PERF_API_KEY": "<perf-api-key>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"perf": {
"command": "npx",
"args": [
"-y",
"perf-mcp"
],
"env": {
"PERF_API_KEY": "<perf-api-key>"
}
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"perf": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"perf-mcp"
],
"env": {
"PERF_API_KEY": "<perf-api-key>"
}
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"perf": {
"command": "npx",
"args": [
"-y",
"perf-mcp"
],
"env": {
"PERF_API_KEY": "<perf-api-key>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| PERF_API_KEY | yes | yes | Your Perf API key (get one at dashboard.withperf.pro) |
Freshness
Stale — last maintenance signal 8mo ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-02-19 · 8mo ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-02-19 · 8mo ago · official registry · v0.1.1
FAQ
›How do I install the Perf MCP server in Claude Code?
Run: claude mcp add perf -e PERF_API_KEY='<perf-api-key>' -- npx -y perf-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Perf require an API key?
Yes. It expects PERF_API_KEY, of which 1 is a secret.
›Can I use Perf as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is Perf in the official MCP registry?
Yes, as io.github.Perf-AI/perf-mcp.