# Mutator

> Mutator — app-mutator-mutator. Use this tool when you need to build and test short-form marketing automations without publishing them. The Mutator tool solves problems related to marketing workflow testing and optimization, allowing you to input automation sequences and output test results. It is ideal for use cases where you want to refine your marketing strategies in a controlled environment before deployment.

Canonical page: https://skillsregistry.net/skills/app-mutator-mutator  
JSON: https://api.skillsregistry.net/v1/skills/app-mutator-mutator

## Description

Build and test short-form marketing automations from your agent. Nothing it does can post.

## Trust

- **Trust score (0–1):** 0.70
- **Verification tier:** unverified

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Updated:** 2026-09-26

## Source

- **Source listing:** [MCP Registry](https://registry.modelcontextprotocol.io/v0/servers/app.mutator%2Fmutator)

## Use it

MCP endpoint published by the skill: `https://mutator.app/mcp`

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": "app-mutator-mutator"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/app-mutator-mutator` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/app-mutator-mutator/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