Who it is for
Marketing operations teams that already build campaign emails in Knak.
Overview
Knak is an email creation tool aimed at marketing teams, and this app carries that work into ChatGPT. Emails can be produced and managed from the conversation using Knak AI, with the sample prompts covering creation of a live event email and passing campaign details across.
The connection is built on the Model Context Protocol, which is how the two systems exchange instructions and content.
The record is brief on specifics. It does not describe template handling, brand controls, approval steps, or how a finished email reaches a sending platform, and it assumes an existing Knak account on the other end of the connection.
Marketing operations teams that already build campaign emails in Knak.
It is narrow by design, covering email creation inside one platform rather than campaign management as a whole.
Availability
Knak is listed in the ChatGPT apps directory only. Knak has no connector under the same domain in the Claude directory; 392 of the 3,150 products here are on both marketplaces, and this is not one of them.
ChatGPT apps are built on MCP, and the same server can back a Claude connector, so the absence is a distribution decision rather than a technical one.
ChatGPT listing
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This is an independent catalogue entry compiled by Node8 from Knak's public marketplace listing as it stood in August 2026. Listing facts come from the marketplaces; the comparisons against the rest of the directory and any live-endpoint measurements are Node8's. Node8 is not affiliated with Knak, and inclusion here is not an endorsement.
Node8 builds MCP servers end to end: deciding which tools are worth exposing, the authentication and permission model, the review submissions, and the onboarding that gets them used. One server serves ChatGPT, Claude, and Microsoft Copilot.