Mastyf AI MCP Server: Install & Setup

Install Mastyf AI in Claude Code

Claude Code

claude mcp add mastyf-ai -- npx -y @mastyf_ai/server

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "mastyf-ai": {
      "command": "npx",
      "args": [
        "-y",
        "@mastyf_ai/server"
      ]
    }
  }
}

Frequently asked questions

What does the Mastyf AI MCP server do?

Runtime security proxy for MCP that blocks prompt injection, SSRF, shell/SQL injection and credential exfiltration, plus trust scores for npm MCP packages.

Is the Mastyf AI MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Mastyf AI run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Mastyf AI to Claude Code?

Run: claude mcp add mastyf-ai -- npx -y @mastyf_ai/server

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