4based MCP server

Run your 4based business from Claude and ChatGPT

The same native Model Context Protocol server that covers OnlyFans and Fansly now reaches 4based too. Connect it with one click sign in inside Claude or ChatGPT, or run it locally with uvx. Your agent gets tools across fans, messages, earnings, media and more, for every 4based creator you connect.

Get your API key Read the docs
Verified end to end with Claude and ChatGPT · start free with 1,000 credits

Two ways to connect

Sign in inside the client you already use, or install locally. Same tools either way.

◎

Hosted, one click sign in

Add the hosted URL as a connector and sign in with your CreatorAPI account. OAuth 2.1 with PKCE and dynamic client registration. No key to paste, nothing to install.

1

Open connectors

In Claude or ChatGPT, go to Settings, then Connectors, then Add custom connector.

2

Paste the URL

https://api.creator-api.com/mcp

3

Sign in

Log in with your CreatorAPI account and approve. Your 4based tools appear instantly, next to OnlyFans and Fansly.

▤

Local, with your key

Run it from uvx with your ca_live_ key. Works in Claude Desktop, Cursor, Windsurf, Cline and Claude Code.

// claude_desktop_config.json
{
  "mcpServers": {
    "creator-api": {
      "command": "uvx",
      "args": ["creator-api-mcp"],
      "env": { "CREATOR_API_KEY": "ca_live_your_key" }
    }
  }
}

What your agent can do on 4based

Reads and first party CRM writes are always on. Outbound writes stay off until you opt in.

whoamiget_billinglist_platformslist_accounts native_get · mesubscriberstierschats feedvaultearningsget_fan_summary tagssmart linkswebhooksexports

Sending messages and other native writes are off by default, so an agent cannot act outward without your say so. To enable them, set CREATOR_API_ENABLE_WRITES=1.

Why this MCP server

✦

Claude and ChatGPT

Sign in connectors that are verified end to end with both, plus local install for Cursor, Windsurf, Cline and Claude Code.

◈

One key, every creator

One account reaches every creator you connect, across OnlyFans, Fansly and 4based, selected per call. No reconnect per model.

◉

Safe by default

Imported sessions instead of passwords, and outbound writes off until you turn them on.

Simple, metered pricing

The MCP server is included with every plan. Metered credits through Stripe, roll over up to 200 percent of your plan.

4Based API

39 USD per month · 24,000 credits

Fansly API

39 USD per month · 24,000 credits

OnlyFans API

55 USD per month · 20,000 credits

Start free with 1,000 credits · no card.

4Based MCP server questions

How do I connect it to Claude?

In Claude, open Settings, then Connectors, then Add custom connector, and paste https://api.creator-api.com/mcp. Sign in with your CreatorAPI account through OAuth. No key to paste and nothing to install.

Does it work with ChatGPT?

Yes. Add the same URL as a connector in ChatGPT and sign in. The flow is verified end to end with both Claude and ChatGPT.

Can I run it locally?

Yes. Run uvx creator-api-mcp with your ca_live_ key. It works in Claude Desktop, Cursor, Windsurf, Cline and Claude Code.

Can the agent send messages on its own?

No, not by default. Outbound writes are off unless you set CREATOR_API_ENABLE_WRITES to 1.

Which platforms does it cover?

OnlyFans, Fansly and 4based natively today, under one account, with more creator platforms on the roadmap behind the same server.

Give your agent the keys today

Sign up, connect a 4based creator and add the MCP server to Claude or ChatGPT in minutes.

Get your API key Read the docs
Start free with 1,000 credits · no card