# Mutmut MCP

> Use this tool when you need to automate mutation testing and improve test coverage in Python projects. Mutmut MCP provides programmatic APIs for running mutation tests, analyzing results, and optimizing test suites, solving problems related to code reliability and robustness. It takes in Python project code and test suites as input and outputs detailed test coverage and mutation test results.

Canonical page: https://skillsregistry.net/skills/wdm0006-mutmut-mcp  
JSON: https://api.skillsregistry.net/v1/skills/wdm0006-mutmut-mcp

## Description

A Model Context Protocol server that provides programmatic APIs for running mutation tests with mutmut, analyzing results, and improving test coverage in Python projects.

## Trust

- **Trust score (0–1):** 0.94
- **Verification tier:** verified
- **Last scanned:** 2026-09-19

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** other
- **Updated:** 2026-09-19

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/fis6iun9ck)
- **Repository:** <https://github.com/wdm0006/mutmut-mcp>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "wdm0006-mutmut-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/wdm0006-mutmut-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/wdm0006-mutmut-mcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt