# Magga

> Magga — 8nobletruths-magga. Use this tool when you need to verify code changes and ensure they fix specific issues, as it builds and tests code to provide evidence-backed verdicts on the effectiveness of changes. Magga solves problems of uncertain code quality and incomplete testing by running tests before and after a fix, supporting 16 programming languages. It takes in code changes and test cases as input and returns a verdict on the success of the changes through the verify_change tool.

Canonical page: https://skillsregistry.net/skills/8nobletruths-magga  
JSON: https://api.skillsregistry.net/v1/skills/8nobletruths-magga

## Description

Magga lets coding agents prove their changes before claiming they’re done by building the code and verifying that newly added tests fail before the fix and pass after it. It returns evidence-backed verdicts through the verify_change tool and supports 16 languages, including Rust, Go, Python, Solidity, and C/C++.

## Trust

- **Trust score (0–1):** 0.69
- **Verification tier:** scanned
- **Last scanned:** 2026-08-30

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** other
- **Updated:** 2026-08-30

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/xajd3lo2ld)
- **Repository:** <https://github.com/8NobleTruths/magga>

## 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": "8nobletruths-magga"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/8nobletruths-magga` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/8nobletruths-magga/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