# simplecov-mcp

> Use this tool when you need to analyze Ruby SimpleCov coverage reports for Rails projects, enabling direct access to coverage summaries, file filtering, and identification of uncovered lines to optimize test development. It solves problems related to test coverage and development efficiency, providing inputs such as coverage reports and outputs like actionable insights for improvement. Ideal for use in software development contexts where test optimization and code quality are crucial.

Canonical page: https://skillsregistry.net/skills/ryo-ymd-simplecov-mcp  
JSON: https://api.skillsregistry.net/v1/skills/ryo-ymd-simplecov-mcp

## Description

Enables Claude to directly access and analyze Ruby SimpleCov coverage reports for Rails projects. It allows users to retrieve coverage summaries, filter files by coverage rates, and identify specific uncovered lines to streamline test development.

## Trust

- **Trust score (0–1):** 1.00
- **Verification tier:** verified
- **Last scanned:** 2026-09-19

## Facts

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

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/qacz9azr6b)
- **Repository:** <https://github.com/ryo-ymd/simplecov-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": "ryo-ymd-simplecov-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/ryo-ymd-simplecov-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/ryo-ymd-simplecov-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