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Mutagen (mutagen.ru), unofficial

io.github.SVorobiev-ru/mutagen-ru-mcp ยท v0.1.0

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

Connect Runs on your machine

Terminal
claude mcp add mutagen-ru-mcp -e MUTAGEN_API_KEY=<MUTAGEN_API_KEY> -e MUTAGEN_BUDGET_RUB=<MUTAGEN_BUDGET_RUB> -e MUTAGEN_AUTO_APPROVE_RUB=<MUTAGEN_AUTO_APPROVE_RUB> -e MUTAGEN_FREE_ONLY=<MUTAGEN_FREE_ONLY> -e MUTAGEN_TOOLS=<MUTAGEN_TOOLS> -- npx -y [email protected]
claude_desktop_config.json
{
  "mcpServers": {
    "mutagen-ru-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "MUTAGEN_API_KEY": "<MUTAGEN_API_KEY>",
        "MUTAGEN_BUDGET_RUB": "<MUTAGEN_BUDGET_RUB>",
        "MUTAGEN_AUTO_APPROVE_RUB": "<MUTAGEN_AUTO_APPROVE_RUB>",
        "MUTAGEN_FREE_ONLY": "<MUTAGEN_FREE_ONLY>",
        "MUTAGEN_TOOLS": "<MUTAGEN_TOOLS>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "mutagen-ru-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "MUTAGEN_API_KEY": "<MUTAGEN_API_KEY>",
        "MUTAGEN_BUDGET_RUB": "<MUTAGEN_BUDGET_RUB>",
        "MUTAGEN_AUTO_APPROVE_RUB": "<MUTAGEN_AUTO_APPROVE_RUB>",
        "MUTAGEN_FREE_ONLY": "<MUTAGEN_FREE_ONLY>",
        "MUTAGEN_TOOLS": "<MUTAGEN_TOOLS>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "mutagen-ru-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "MUTAGEN_API_KEY": "<MUTAGEN_API_KEY>",
        "MUTAGEN_BUDGET_RUB": "<MUTAGEN_BUDGET_RUB>",
        "MUTAGEN_AUTO_APPROVE_RUB": "<MUTAGEN_AUTO_APPROVE_RUB>",
        "MUTAGEN_FREE_ONLY": "<MUTAGEN_FREE_ONLY>",
        "MUTAGEN_TOOLS": "<MUTAGEN_TOOLS>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

NameDescription
MUTAGEN_API_KEY
Required, secret
Mutagen API key from https://mutagen.ru/?api_config
MUTAGEN_BUDGET_RUB
Optional
Spending limit per session, RUB
MUTAGEN_AUTO_APPROVE_RUB
Optional
Calls up to this sum run without confirmation, RUB
MUTAGEN_FREE_ONLY
Optional
1 refuses every paid call
MUTAGEN_TOOLS
Optional
Tool groups: basic,parser,serp,scenarios,text (default all)

Details

Package[email protected] (NPM, stdio)
First published14 Oct 2026
Last updated14 Oct 2026
Registry nameio.github.SVorobiev-ru/mutagen-ru-mcp

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