Perf Mcp
Wire an agent to fact-check generated code and JSON before you merge or ship customer-facing copy.
Overview
Perf MCP is a MCP server for the Ship phase that fact-checks AI outputs with hallucination detection, schema validation, and auto-repair.
What is this MCP server?
- Hallucination detection on model outputs before they land in prod or docs
- Schema validation against expected structures with actionable failures
- Auto-repair flows to fix invalid AI-generated payloads in-agent
- stdio npm MCP package (perf-mcp v0.1.1) with PERF_API_KEY from dashboard.withperf.pro
- npm package version 0.1.1
- stdio transport
- requires PERF_API_KEY
What problem does it solve?
Agents confidently ship wrong facts, invalid JSON, and schema mismatches that slip past a quick skim.
Who is it for?
Indie builders using agents for codegen, config, or structured content who want automated sanity checks before release.
Skip if: Teams that only need static linters with no LLM in the loop, or anyone unwilling to register for a Perf API key.
What do I get? / Deliverables
Your agent can validate and repair outputs against Perf before you merge, publish, or answer customers.
- Validated or repaired AI-generated structured output
- Hallucination and schema failure signals the agent can act on
- Repeatable pre-ship verification step in the agent workflow
Recommended MCP Servers
Journey fit
How it compares
MCP-backed output verification service, not a local ESLint skill or generic chat prompt.
Common Questions / FAQ
Who is Perf MCP for?
Solo and indie developers who ship with AI coding agents and need a second layer that catches hallucinations and schema errors before release.
When should I use Perf MCP?
Use it during Ship review whenever an agent drafts JSON, API shapes, migrations, or user-facing claims you cannot afford to get wrong.
How do I add Perf MCP to my agent?
Install the npm package perf-mcp, set PERF_API_KEY from dashboard.withperf.pro, and register the stdio server in your agent’s MCP config.