# mermaider

> Use this tool when you need to validate Mermaid diagram syntax for reliable and fast checks. It solves problems related to incorrect diagram syntax, providing a persistent browser interface to input Mermaid code and output validation results. Ideal for use cases where consistent and accurate diagram rendering is crucial, such as documentation and technical writing.

Canonical page: https://skillsregistry.net/skills/vtomilin-mermaider  
JSON: https://api.skillsregistry.net/v1/skills/vtomilin-mermaider

## Description

Validates Mermaid diagram syntax using a persistent browser for fast, reliable checks.

## Trust

- **Trust score (0–1):** 0.69
- **Verification tier:** scanned
- **Last scanned:** 2026-09-01

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** browser-automation
- **Updated:** 2026-09-01

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/bhsmm2e2rc)
- **Repository:** <https://github.com/vtomilin/mermaider>

## 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": "vtomilin-mermaider"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/vtomilin-mermaider` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/vtomilin-mermaider/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