# cymraeg-mcp

> cymraeg-mcp — dwain-barnes-cymraeg-mcp. Use this tool when you need to verify the accuracy of Welsh text, specifically for spellchecking and mutation/treiglad checking, to ensure error-free output in offline environments. It takes in Welsh text drafts as input and outputs verified text with corrections, making it ideal for large language models like Claude. This tool is particularly useful for applications requiring high precision and offline capability, such as content creation and language processing.

Canonical page: https://skillsregistry.net/skills/dwain-barnes-cymraeg-mcp  
JSON: https://api.skillsregistry.net/v1/skills/dwain-barnes-cymraeg-mcp

## Description

Welsh proofing MCP server - deterministic spellchecking (hunspell cy_GB) and mutation/treiglad checking for Claude and other LLMs. 100% offline. Claude drafts it, this verifies it.

## Trust

- **Trust score (0–1):** 0.95
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **Updated:** 2026-09-28

## Source

- **Source listing:** [GitHub](https://github.com/dwain-barnes/cymraeg-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": "dwain-barnes-cymraeg-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/dwain-barnes-cymraeg-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/dwain-barnes-cymraeg-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