Mutagen (mutagen.ru), unofficial

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

What does this entry provide?

Mutagen (mutagen.ru), unofficial is an MCP server entry in ChatHome Skills, sourced from Official MCP Registry and scored 78/100. As a Model Context Protocol server, it exposes tools that MCP-compatible LLM clients such as Claude, Cursor, and Copilot can call directly, extending an agent's reach beyond its built-in capabilities. ChatHome Skills discovered this entry through its daily ingest of official registries and GitHub discovery queries, and re-verifies repository facts, freshness signals, and install metadata on every run. The quality score weighs official-registry presence, a working install command, license clarity, GitHub star trajectory, and repository freshness — the full formula is on the Sources page. The install command above is ready to copy. Review the last-pushed date and repository status before adding Mutagen (mutagen.ru), unofficial to a production agent workflow; the snapshot facts below are point-in-time values from the most recent ingest.

Snapshot facts

Source: Official MCP Registry
Quality: 78/100
Install method: npm
Repo: SVorobiev-ru/mutagen-ru-mcp
Repo updated: Oct 14, 2026

Install command

npx -y mutagen-ru-mcp@0.1.0

Install method: npm

Review the upstream source before running this command.

GitHub project Homepage

Quality

Repo stars

Repo updated

Oct 14, 2026

How is this score calculated?

Weighted across six dimensions, scored 0-100.
Provenance (25): listed in an official or curated registry.
Installability (25): a runnable install command beats a declared transport, which beats a source checkout.
Maintenance (20): recency of the last push; archived entries score zero here.
Adoption (20): repository stars on a log curve.

MCP manifest

{
  "_meta": {
    "io.modelcontextprotocol.registry/official": {
      "status": "active",
      "isLatest": true,
      "updatedAt": "2026-10-14T17:52:02.713817Z",
      "publishedAt": "2026-10-14T17:52:02.713817Z",
      "statusChangedAt": "2026-10-14T17:52:02.713817Z"
    }
  },
  "server": {
    "name": "io.github.SVorobiev-ru/mutagen-ru-mcp",
    "title": "Mutagen (mutagen.ru), unofficial",
    "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
    "version": "0.1.0",
    "packages": [
      {
        "version": "0.1.0",
        "transport": {
          "type": "stdio"
        },
        "identifier": "mutagen-ru-mcp",
        "runtimeHint": "npx",
        "registryType": "npm",
        "registryBaseUrl": "https://registry.npmjs.org",
        "environmentVariables": [
          {
            "name": "MUTAGEN_API_KEY",
            "format": "string",
            "isSecret": true,
            "isRequired": true,
            "description": "Mutagen API key from https://mutagen.ru/?api_config"
          },
          {
            "name": "MUTAGEN_BUDGET_RUB",
            "format": "number",
            "default": "50",
            "description": "Spending limit per session, RUB"
          },
          {
            "name": "MUTAGEN_AUTO_APPROVE_RUB",
            "format": "number",
            "default": "1",
            "description": "Calls up to this sum run without confirmation, RUB"
          },
          {
            "name": "MUTAGEN_FREE_ONLY",
            "choices": [
              "0",
              "1"
            ],
            "default": "0",
            "description": "1 refuses every paid call"
          },
          {
            "name": "MUTAGEN_TOOLS",
            "format": "string",
            "description": "Tool groups: basic,parser,serp,scenarios,text (default all)"
          }
        ]
      }
    ],
    "repository": {
      "url": "https://github.com/SVorobiev-ru/mutagen-ru-mcp",
      "source": "github"
    },
    "websiteUrl": "https://github.com/SVorobiev-ru/mutagen-ru-mcp#readme",
    "description": "Unofficial MCP server for the Mutagen SEO API: Wordstat frequencies, competition, semantic core"
  }
}

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