Diagrams.so MCP Server

by redhold

local only

Diagrams.so runs on your own machine — the client starts it, so there is no endpoint to ping. 71 installs a week from npm. Last commit 4 Aug 2026.

Generate and edit AWS, Azure, GCP and Kubernetes architecture diagrams as editable draw.io files.

Installs per day peak 71 · avg 2

a month agotoday

Installs / week

npm · @diagrams-so/mcp

Stars

2 open issues

4 Aug 2026

Last commit

0 releases in 90 days

Apache-2.0

License

JavaScript

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add diagrams-so-mcp -- npx -y @diagrams-so/mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "diagrams-so-mcp": {
      "args": [
        "-y",
        "@diagrams-so/mcp"
      ],
      "command": "npx"
    }
  }
}

~/.codex/config.toml

[mcp_servers.diagrams-so-mcp]
command = "npx"
args = ["-y", "@diagrams-so/mcp"]

.cursor/mcp.json

{
  "mcpServers": {
    "diagrams-so-mcp": {
      "args": [
        "-y",
        "@diagrams-so/mcp"
      ],
      "command": "npx"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "diagrams-so-mcp": {
      "args": [
        "-y",
        "@diagrams-so/mcp"
      ],
      "command": "npx"
    }
  }
}

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Diagrams.so — questions

Answers built from our own checks of this server.

Why is there no uptime for Diagrams.so?

Diagrams.so runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the npm package @diagrams-so/mcp was installed 71 times last week.

How do I connect Diagrams.so?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It runs locally, so the command pulls @diagrams-so/mcp straight from npm; nothing to host, nothing to sign up for.

How many people use Diagrams.so?

The npm package @diagrams-so/mcp was installed 71 times in the last week. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.

Is Diagrams.so open source?

Yes — it is published under the Apache-2.0 licence, written in JavaScript, 0 stars on GitHub and 2 open issues. The source link is on this page, so you can read exactly what it does with your data before you connect it.