Mastyf AI MCP Server

by mastyf-aiio.github.mastyf-ai/mastyf.aiv4.1.12

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

21Node.jsstdioofficial registry

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security

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freshness

Active9d ago

Install Mastyf AI MCP server

claude mcp add mastyf-ai -e ALERT_WEBHOOK_URL='<alert-webhook-url>' -- npx -y @mastyf_ai/server

{
  "mcpServers": {
    "mastyf-ai": {
      "command": "npx",
      "args": [
        "-y",
        "@mastyf_ai/server"
      ],
      "env": {
        "ALERT_WEBHOOK_URL": "<alert-webhook-url>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "mastyf-ai": {
      "command": "npx",
      "args": [
        "-y",
        "@mastyf_ai/server"
      ],
      "env": {
        "ALERT_WEBHOOK_URL": "<alert-webhook-url>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "mastyf-ai": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@mastyf_ai/server"
      ],
      "env": {
        "ALERT_WEBHOOK_URL": "<alert-webhook-url>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "mastyf-ai": {
      "command": "npx",
      "args": [
        "-y",
        "@mastyf_ai/server"
      ],
      "env": {
        "ALERT_WEBHOOK_URL": "<alert-webhook-url>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
MASTYF_AI_DB_PATH	—	—	Path to SQLite history database
ALERT_WEBHOOK_URL	—	yes	Slack or Discord webhook for critical alerts
METRICS_ENABLED	—	—	Expose Prometheus metrics

Freshness

Active — last maintenance signal 9d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-10-01 · 9d ago · GitHub
Latest release
2026-09-26 · 14d ago · GitHub · v0.2.3
Package published
no data · npm/PyPI
Registry entry updated
2026-07-04 · 3mo ago · official registry · v4.1.12

FAQ

›How do I install the Mastyf AI MCP server in Claude Code?

Run: claude mcp add mastyf-ai -e ALERT_WEBHOOK_URL='<alert-webhook-url>' -- npx -y @mastyf_ai/server. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Mastyf AI require an API key?

Yes. It expects ALERT_WEBHOOK_URL, of which 1 is a secret.

›Can I use Mastyf AI as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Mastyf AI in the official MCP registry?

Yes, as io.github.mastyf-ai/mastyf.ai.