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Wibble offers a remote MCP connector at:
Add that URL as a custom connector in ChatGPT or Claude. Custom MCP clients can also work when their OAuth redirect origin is allowed for Wibble and the client supports remote MCP with OAuth. When the client asks you to sign in, use your Wibble account. No API key is required for the standard connector flow.
Wibble allows ChatGPT, Claude, and the Wibble app origin by default. Other HTTPS redirect origins must be configured before those clients can complete OAuth sign-in.

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What the connector can do

The connector exposes Wibble tools for:
  • Checking your available Wibble word balance.
  • Submitting text for a more natural, less stiff rewrite.
  • Retrieving recent or in-progress rewrite jobs.
Rewrite jobs are asynchronous. The client can submit a job with rewrite, then call get_rewrite to retrieve the output when processing finishes. Jobs can take a few minutes, especially for longer text; clients should wait about 30 seconds between get_rewrite checks. Older clients that cached earlier connector metadata may still call legacy names such as rewrite_for_natural_voice, humanize_text, get_rewrite_job, and get_humanize_job; Wibble keeps those aliases working.

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Billing

Connector jobs use your Wibble account balance in this order:
  1. Normal Wibble words from your subscription, Sprint Pass, or free account.
  2. Purchased API words, only when normal words are not enough.
If a connector job fails before producing output, Wibble refunds every reserved word to the same balance it came from.
The public API still uses purchased API words only. The MCP connector is different because it is tied to a signed-in Wibble user.

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Setup

1

Open Connectors

Go to https://www.wibbleai.com/dashboard/connectors.
2

Copy the connector URL

Copy https://www.wibbleai.com/mcp.
3

Add a custom connector

In Claude, go to Customize › Connectors › Add connector › Add custom connector. Name the connector Wibble AI and paste the connector URL as the remote MCP server URL, then select Add.In ChatGPT, enable developer mode under Settings › Apps › Advanced settings, then create an app named Wibble AI with the connector URL and OAuth authentication.For another MCP client, first confirm that its HTTPS redirect origin is configured in Wibble’s allowed redirect origins.
4

Connect and sign in with Wibble

Select Connect next to Wibble AI and complete the Wibble OAuth sign-in screen. The connector stores an OAuth token, not your API key.
5

Allow the Wibble tools

In Claude, open the connector’s tool permissions and set each Wibble tool to Always allow so rewrite jobs run without approval prompts.
To call the connector in a chat, ask Claude to “rewrite this with Wibble AI.”

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Security

The connector uses OAuth with PKCE and bearer access tokens. Tokens are stored hashed by Wibble and can be revoked from Connectors. Do not paste Wibble API keys into ChatGPT or Claude. Use the connector URL and sign-in flow instead.