# mr-complexity-scorer

> mr-complexity-scorer — mr-complexity-scorer. Use this tool when you need to assess the complexity of code changes in a merge or pull request. It scores the unified diff and returns a numeric complexity score along with a human-readable rating, helping to identify potential issues and prioritize code reviews. Ideal for use in code review workflows to streamline the development process and ensure high-quality code.

Canonical page: https://skillsregistry.net/skills/mr-complexity-scorer  
JSON: https://api.skillsregistry.net/v1/skills/mr-complexity-scorer

## Description

Scores merge-request/pull-request complexity from a unified diff. Returns a numeric complexity score + human-readable rating (trivial/low/medium/high/critical). Pure-JS, runs in-Worker. Cortex BUILTIN — no bundle needed.

## Trust

- **Trust score (0–1):** 0.30
- **Verification tier:** unverified
- **Last scanned:** 2026-08-30

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** worker
- **Runtime environment:** api
- **Category:** other
- **Tags:** code-review, diff, cortex-builtin
- **Updated:** 2026-08-30

## Source

- **Source listing:** Cognium (first-party)

## 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": "mr-complexity-scorer"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/mr-complexity-scorer` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/mr-complexity-scorer/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