Modrinth MCP Server

by justinscott12 Your server? Claim it

local only

Modrinth MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 309 installs a week from npm. Last commit 3 Nov 2026.

Search Modrinth and publish Minecraft mods (create projects, upload versions) via the Modrinth API.

Installs per day peak 245 · avg 14 · +442% w/w

a month agotoday

309

Installs / week

npm · @justinscott12/modrinth-mcp

Stars

0 open issues

3 Nov 2026

Last commit

3 releases in 90 days

MIT

License

JavaScript

Nothing serious here today

Today is the operative word: we check Modrinth MCP 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 modrinth-mcp -- npx -y @justinscott12/modrinth-mcp

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

{
  "mcpServers": {
    "modrinth-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@justinscott12/modrinth-mcp"
      ]
    }
  }
}

~/.codex/config.toml

[mcp_servers.modrinth-mcp]
command = "npx"
args = ["-y", "@justinscott12/modrinth-mcp"]

.cursor/mcp.json

{
  "mcpServers": {
    "modrinth-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@justinscott12/modrinth-mcp"
      ]
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "modrinth-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@justinscott12/modrinth-mcp"
      ]
    }
  }
}

Optional settings from the registry entry, left out of the block above: MODRINTH_TOKEN (Modrinth Personal Access Token (https://modrinth.com/settings/pats). Required only for write actions; read-only tools work without it).

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Modrinth MCP — questions

Answers built from our own checks of this server.

Why is there no uptime for Modrinth MCP?

Modrinth MCP 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 @justinscott12/modrinth-mcp was installed 309 times last week.

How do I connect Modrinth MCP?

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 @justinscott12/modrinth-mcp straight from npm; nothing to host, nothing to sign up for.

How many people use Modrinth MCP?

The npm package @justinscott12/modrinth-mcp was installed 309 times in the last week. Week over week that is +442%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.

Is Modrinth MCP open source?

Yes — it is published under the MIT licence, written in JavaScript and 1 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.