CVSS Calculator MCP Server

by alfa-reza Your server? Claim it

answering

CVSS Calculator MCP is answering right now. Last checked 14 min ago. It exposes 1 tools. Last commit 4 Nov 2026.

Calculate and validate CVSS 2.0, 3.0, 3.1, and 4.0 base scores.

Uptime history 7 days of history

7 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

238 ms

Response time

average over 24h

Stars

last commit 4 Nov 2026

Nothing serious here today

Today is the operative word: we check CVSS Calculator MCP every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 14 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add cvss-calculator-mcp --transport http https://cvss.my.id/mcp

Settings → Connectors → Add custom connector, then paste this address

https://cvss.my.id/mcp

~/.codex/config.toml

[mcp_servers.cvss-calculator-mcp]
url = "https://cvss.my.id/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "cvss-calculator-mcp": {
      "url": "https://cvss.my.id/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "cvss-calculator-mcp": {
      "type": "http",
      "url": "https://cvss.my.id/mcp"
    }
  }
}

Available tools 1

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

calculate

calculate_cvss

Calculate a CVSS Base-only score for 2.0, 3.0, 3.1 or 4.0. Supply every metric; never guess. v2: AV Access Vector, AC Access Complexity, Au Authentication, C/I/A Confidentiality/Integrity/Availability. v3: AV Attack Vector, AC Attack Complexity, PR Privileges Required, UI User Interaction, S Scope, C/I/A impact. v4: AT Attack Requirements, VC/VI/VA Vulnerable System impact, SC/SI/SA Subsequent System impact. Rejects non-Base metrics.

Endpoints

URL	Transport	State	Latency	Checked
https://cvss.my.id/mcp	streamable-http	answering	131 ms	14 min ago

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CVSS Calculator MCP — questions

Answers built from our own checks of this server.

What can CVSS Calculator MCP do?

It exposes 1 tools, read directly from the server on our last check. Among them: calculate_cvss. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is CVSS Calculator MCP working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 238 ms. The bar chart above shows every period we have measured.

How do I connect CVSS Calculator MCP?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does CVSS Calculator MCP need an API key?

No. CVSS Calculator MCP completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 1 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is CVSS Calculator MCP?

It answers our handshake in 238 ms on average, which is faster than 60% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is CVSS Calculator MCP open source?

The code is open source: it is published under the Apache-2.0 licence, written in Go and 2 stars on GitHub. The licence covers the code in the repository, not the hosted service at cvss.my.id, which runs on its operator's own terms.