MCPVet

MCPVet

Vets MCP servers, Claude Code skills, or plugins for unsafe behavior like shell execution, secret access, data exfiltration, prompt injection, and remote code before installation, returning a graded verdict with findings.

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README

MCPVet MCP server

Vet an MCP server, Claude Code skill, or plugin for unsafe behavior — shell execution, secret access, data exfiltration, prompt injection, remote code — before you install it, right inside your agent.

It's a thin, auditable client: all analysis runs server-side at mcpvet.com. This process holds no credentials, touches no local files, and makes exactly one outbound HTTPS call per scan.

Install (Claude Code)

claude mcp add mcpvet -- npx -y github:LorenzoLombardi111/factory-mcpvet

Or add it to your MCP config manually:

{
  "mcpServers": {
    "mcpvet": {
      "command": "npx",
      "args": ["-y", "github:LorenzoLombardi111/factory-mcpvet"]
    }
  }
}

Use

Ask your agent:

Before I install it, scan @some/mcp-server with MCPVet.

The scan_extension tool accepts:

  • a GitHub repo URL — https://github.com/owner/repo
  • an npm package name — @scope/pkg
  • pasted skill / manifest text

It returns a graded verdict (clean → critical), the flagged findings with file and line, and a shareable report link.

Config

Env Default Purpose
MCPVET_API https://mcpvet.com API origin (override for self-host/testing)

MIT licensed.

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