# Mermaid Chart MCP

> Use this tool when you need to generate visual diagrams, such as flowcharts and sequence diagrams, and render them as images. It solves problems related to efficient diagram creation, batch processing, and image sharing by providing local file saving and HTTP access URLs. The Mermaid Chart MCP tool takes Mermaid diagram code as input and outputs PNG/SVG images, making it ideal for use cases that require automated diagram generation and rendering.

Canonical page: https://skillsregistry.net/skills/pickstar-2002-mermaid-chart-mcp  
JSON: https://api.skillsregistry.net/v1/skills/pickstar-2002-mermaid-chart-mcp

## Description

Enables AI assistants to generate and render Mermaid diagrams (flowcharts, sequence diagrams, etc.) as PNG/SVG images with local file saving and HTTP access URLs. Supports batch processing and intelligent caching for efficient diagram creation.

## Trust

- **Trust score (0–1):** 0.95
- **Verification tier:** verified
- **Last scanned:** 2026-09-19

## Facts

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

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/bhzjj975xn)
- **Repository:** <https://github.com/pickstar-2002/mermaid-chart-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": "pickstar-2002-mermaid-chart-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/pickstar-2002-mermaid-chart-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/pickstar-2002-mermaid-chart-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