GenClass MCP Server

by genclass-dev Your server? Claim it

local only

GenClass runs on your own machine — the client starts it, so there is no endpoint to ping. 727 installs a week from npm. Last commit 28 Oct 2026.

Find race conditions in your web app by reordering its responses, replay one, prove the fix.

Installs per day peak 365 · avg 24

a month agotoday

727

Installs / week

npm · @genclass/mcp

Stars

0 open issues

28 Oct 2026

Last commit

4 releases in 90 days

Apache-2.0

License

TypeScript

Nothing serious here today

Today is the operative word: we check GenClass every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

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 genclass -- npx -y @genclass/mcp

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

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

~/.codex/config.toml

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

.cursor/mcp.json

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

.vscode/mcp.json

{
  "servers": {
    "genclass": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@genclass/mcp"
      ]
    }
  }
}

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GenClass — questions

Answers built from our own checks of this server.

Why is there no uptime for GenClass?

GenClass 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 @genclass/mcp was installed 727 times last week.

How do I connect GenClass?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It runs locally, so the command pulls @genclass/mcp straight from npm; nothing to host, nothing to sign up for.

How many people use GenClass?

The npm package @genclass/mcp was installed 727 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 GenClass open source?

Yes — it is published under the Apache-2.0 licence, written in TypeScript and 7 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.