AI Plugin Index
MCP Mermaid
Verified · npm:mcp-mermaidMCP server by hustcc · updated · ★ 646 · 4.5k downloads a week
❤️ Generate mermaid diagram and chart with AI MCP dynamically. MCP Mermaid is published by npm:mcp-mermaid from its verified domain in the official MCP Registry.
Last commit 159 days ago
MIT: permissive, fine for commercial use
Clear description, published package or server URL, 646 stars, original repository
Not checked yet. What we check
Install MCP Mermaid
Built from the published package, never by AIclaude mcp add mcp-mermaid -- npx -y mcp-mermaidRun in your terminal. Add --scope user to use it in every project.
{
"mcpServers": {
"mcp-mermaid": {
"command": "npx",
"args": [
"-y",
"mcp-mermaid"
]
}
}
}Settings, Developer, Edit config. Paste into claude_desktop_config.json and restart.
{
"mcpServers": {
"mcp-mermaid": {
"command": "npx",
"args": [
"-y",
"mcp-mermaid"
]
}
}
}Add to ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project).
{
"servers": {
"mcp-mermaid": {
"command": "npx",
"args": [
"-y",
"mcp-mermaid"
]
}
}
}Add to .vscode/mcp.json. VS Code uses "servers", not "mcpServers".
codex mcp add mcp-mermaid -- npx -y mcp-mermaid{
"mcpServers": {
"mcp-mermaid": {
"command": "npx",
"args": [
"-y",
"mcp-mermaid"
]
}
}
}Add to ~/.gemini/config/mcp_config.json (all projects) or .agents/mcp_config.json (this project).
gemini mcp add mcp-mermaid npx -y mcp-mermaidGemini CLI was replaced by Antigravity CLI in June 2026 and remains only for enterprise licences and paid API keys.
MCP servers run with your permissions and can read what you give them access to. Some need an API key: check the README and add it under env in the mcp-mermaid block.
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MCP Mermaid: common questions
How do I install MCP Mermaid?
In Claude Code run claude mcp add mcp-mermaid -- npx -y mcp-mermaid. For Claude Desktop, Cursor and VS Code, paste the config shown above and restart. See the install guides.
Is MCP Mermaid the official server?
MCP Mermaid is published by npm:mcp-mermaid from its verified domain in the official MCP Registry.
Is MCP Mermaid free?
The code is published under the MIT licence. The service it connects to may have its own pricing.
Is MCP Mermaid safe to use?
It scores 75 of 100. Grades: maintenance C, licence A, quality A. The security check has not run for it yet. Review the code before you install. How grades work.
What are alternatives to MCP Mermaid?
Similar MCP servers: GitDiagram, draw.io, Agent-Native Plan, Figma-Context-MCP.
Does MCP Mermaid work with ChatGPT?
Not directly. It runs locally, and ChatGPT only connects to remote servers with a URL. Use it in Claude Code, Claude Desktop, Cursor, VS Code or Codex.