Unstoppable Domains MCP Server

The Unstoppable Domains MCP server lets you access the User API through natural conversation inside ChatGPT, Claude, Cline, or any MCP-compatible agent. It is available as a remote MCP endpoint.

Teams that want a hosted endpoint instead of running a local process.

VERIFIED ACTIVE

LAST COMMIT 2026-06-03 · ★ 2 · #792 OF 848 MAINTAINED OTHER · VERIFIED 2026-08-25

MIT · how we verify → /methodology

01 · Install Unstoppable Domains

before you install - you'll need

UD_MCP_API_KEY

Environment variables documented in the project's README - it lists which are required and which have defaults.

Claude Code

claude mcp add unstoppabledomains-unstoppable-mcp-serve --transport http https://api.unstoppabledomains.com/mcp/v1/

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "unstoppabledomains-unstoppable-mcp-serve": {
      "url": "https://api.unstoppabledomains.com/mcp/v1/"
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

https://api.unstoppabledomains.com/mcp/v1/

transport: streamable-http

endpoint alive - authentication required · probed 2026-08-25

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as remote - your agent's requests go to api.unstoppabledomains.com

endpoint auth requires authentication - rejected our unauthenticated MCP initialize

license MIT - declared in the repository

registry vendor namespace com.unstoppabledomains - domain-verified with the official MCP registry

03 · Who maintains Unstoppable Domains

Unstoppable Domains is maintained by unstoppabledomains. It's the only MCP server we track from this author; the repo dates to May 2026.

04 · Facts

repository: github.com/unstoppabledomains/unstoppable-mcp-server
website: https://unstoppabledomains.com/
category: other - ranked #792 of 848 actively-maintained other servers as of 2026-08-25.
registry: com.unstoppabledomains/mcp-server (active, first published 2026-06-03)

05 · Unstoppable Domains FAQ

What is Unstoppable Domains?

The Unstoppable Domains MCP server lets you access the User API through natural conversation inside ChatGPT, Claude, Cline, or any MCP-compatible agent. It is available as a remote MCP endpoint.

Is Unstoppable Domains still maintained?

Yes - as of 2026-08-25, its last commit was 2026-06-03. We re-verify nightly.

How do I install Unstoppable Domains?

Run `claude mcp add unstoppabledomains-unstoppable --transport http https://api.unstoppabledomains.com/mcp/v1/`. The README documents one environment variable (UD_MCP_API_KEY) to set first. You can also paste the ready-made client config above.

Does Unstoppable Domains require authentication?

Yes - when we probed the endpoint on 2026-08-25, it rejected an unauthenticated MCP initialize; you'll need credentials to connect.

06 · Alternatives to Unstoppable Domains

Alternatives to Unstoppable Domains

Maintained other servers if Unstoppable Domains isn't the fit.

More MCP servers to compare · Changelogai · Mdshare · Safe Docx · Async Parallel Antigravity for Codex & Claude Code · Chiplab