CVSS.my.id

CVSS Calculator MCP Server

Give your AI agent a tool to calculate CVSS Base Scores. Connect an MCP client locally or through the remote endpoint.

Client setup guides Tool reference MCP repository

Connect to the server

Run the server locally or connect to the public endpoint.

1. Local MCP (Recommended)

stdio Linux / macOS

Run the server on your machine. The public endpoint rate limit does not apply. 

curl -fsSL https://get.cvss.my.id/install.sh | bash
Local installation guide

2. Remote MCP (Free)

Streamable HTTP

Connect your MCP client without installing the server. The endpoint is not a web page. 

https://cvss.my.id/mcp

Published usage policy: Rate limit: 5 requests per minute per IP. For higher usage, run Local MCP (stdio).

Not checked

Checks from your connection and counts as a request.

Remote connection guide

Calculate a score

The calculate_cvss tool accepts a complete Base vector and returns its score and severity.

Input

JSON

Provide a CVSS version and a complete Base vector. Vector values are case-sensitive.

{
  "version": "3.1",
  "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}

Output

JSON

The response includes the version, vector, score, and severity.

{
  "version": "3.1",
  "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "score": 9.8,
  "severity": "Critical"
}

Documentation

Set up a client or learn more about the server.