mermaid
npxStandardThe mermaid MCP server converts Mermaid diagram definitions into PNG or SVG images. It exposes a tool that takes Mermaid syntax as input and returns image files. It integrates with the Mermaid library to render diagrams. Developers use it to generate visual diagrams from code, such as flowcharts or sequence diagrams, for documentation or presentations.
215230Updated 8 months ago
Overview
The mermaid MCP server converts Mermaid diagram definitions into PNG or SVG images. It exposes a tool that takes Mermaid syntax as input and returns image files. It integrates with the Mermaid library to render diagrams. Developers use it to generate visual diagrams from code, such as flowcharts or sequence diagrams, for documentation or presentations.
Installation
1Install the package
npx
npx -y @peng-shawn/mermaid-mcp-server2Add to Claude
Add this configuration to your claude_desktop_config.json:
claude_desktop_config.json
{
"mcpServers": {
"peng-shawn-mermaid-mcp-server-github": {
"command": "npx",
"args": [
"-y",
"npx -y @peng-shawn/mermaid-mcp-server"
]
}
}
}3Verify installation
Restart Claude Desktop, then ask:
"What tools do you have available from mermaid?"
Prerequisites
- Node.js 18 or higher
- npm or npx available
- Claude Desktop or Claude API access
Configuration
No configuration required. This server works out of the box.
Usage Examples
List Resources
"What resources are available in mermaid?"
Claude will query available resources and return a list of what you can access.
Get Details
"Show me details about [specific item] in mermaid"
Claude will fetch and display detailed information about the requested item.
Create New
"Create a new [item] in mermaid with [details]"
Claude will use the appropriate tool to create the resource and confirm success.
Works with mermaid
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