Mutagen (mutagen.ru), unofficial MCP Server

by svorobiev-ru Your server? Claim it

local only

Mutagen (mutagen.ru), unofficial runs on your own machine — the client starts it, so there is no endpoint to ping. 43 installs a week from npm. Last commit 14 Oct 2026.

Unofficial MCP server for the Mutagen SEO API: Wordstat frequencies, competition, semantic core

Installs per day peak 18 · avg 1

a month agotoday

Installs / week

npm · mutagen-ru-mcp

Stars

0 open issues

14 Oct 2026

Last commit

2 releases in 90 days

MIT

License

TypeScript

Nothing serious here today

Today is the operative word: we check Mutagen (mutagen.ru), unofficial 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

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add mutagen-ru-mcp -e 'MUTAGEN_API_KEY=<MUTAGEN_API_KEY>' -- npx -y mutagen-ru-mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "mutagen-ru-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "mutagen-ru-mcp"
      ],
      "env": {
        "MUTAGEN_API_KEY": "<MUTAGEN_API_KEY>"
      }
    }
  }
}

~/.codex/config.toml

[mcp_servers.mutagen-ru-mcp]
command = "npx"
args = ["-y", "mutagen-ru-mcp"]
env = { MUTAGEN_API_KEY = "<MUTAGEN_API_KEY>" }

.cursor/mcp.json

{
  "mcpServers": {
    "mutagen-ru-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "mutagen-ru-mcp"
      ],
      "env": {
        "MUTAGEN_API_KEY": "<MUTAGEN_API_KEY>"
      }
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "mutagen-ru-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "mutagen-ru-mcp"
      ],
      "env": {
        "MUTAGEN_API_KEY": "<MUTAGEN_API_KEY>"
      }
    }
  }
}

Put your own value in place of <MUTAGEN_API_KEY> (Mutagen API key from https://mutagen.ru/?api_config). The author’s registry entry marks it as required.

Optional settings from the registry entry, left out of the block above: MUTAGEN_BUDGET_RUB (Spending limit per session, RUB), MUTAGEN_AUTO_APPROVE_RUB (Calls up to this sum run without confirmation, RUB), MUTAGEN_FREE_ONLY (1 refuses every paid call), MUTAGEN_TOOLS (Tool groups: basic,parser,serp,scenarios,text (default all)).

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Mutagen (mutagen.ru), unofficial — questions

Answers built from our own checks of this server.

Why is there no uptime for Mutagen (mutagen.ru), unofficial?

Mutagen (mutagen.ru), unofficial runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the npm package mutagen-ru-mcp was installed 43 times last week.

How do I connect Mutagen (mutagen.ru), unofficial?

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 runs locally, so the command pulls mutagen-ru-mcp straight from npm; nothing to host, nothing to sign up for.

How many people use Mutagen (mutagen.ru), unofficial?

The npm package mutagen-ru-mcp was installed 43 times in the last week. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.

Is Mutagen (mutagen.ru), unofficial open source?

Yes — it is published under the MIT licence, written in TypeScript and 0 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.