# Mermaid Validator

> Use this tool when you need to validate and render Mermaid diagrams, ensuring correctness before embedding in documentation or presentations. It accepts Mermaid syntax as input and returns a rendered SVG image or detailed validation errors. Ideal for use cases where accurate diagram representation is crucial, such as technical documentation and presentation preparation.

Canonical page: https://skillsregistry.net/skills/lf112-mermaid-validator  
JSON: https://api.skillsregistry.net/v1/skills/lf112-mermaid-validator

## Description

An MCP server for validating and rendering Mermaid diagrams. Accepts Mermaid syntax as input and returns either a successfully rendered SVG image or detailed validation errors explaining what went wrong. Useful for ensuring diagram correctness before embedding in documentation or presentations.

## Trust

- **Trust score (0–1):** 1.00
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** media
- **Updated:** 2026-09-28

## Source

- **Source listing:** [PulseMCP](https://www.pulsemcp.com/servers/lf112-mermaid-validator)
- **Repository:** <https://github.com/lf112/mermaid-validator-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": "lf112-mermaid-validator"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/lf112-mermaid-validator` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/lf112-mermaid-validator/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