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diagramkit
  • Mintlify
For Mintlify docs

Diagrams for your
Mintlify docs.

Ask Claude Code, Codex or Claude for a diagram. It comes back finished and in your brand, and goes on the page you name.

Make a diagram Read the Mintlify guide
Relay

Concepts

Architecture overview

How an event moves through Relay, from your request to your endpoint.

Architecture diagram of Relay: your app sends events to the Ingest API, which writes them to an event log; a router makes one delivery per subscribed endpoint, and delivery workers sign and send each one, with failed attempts retried.
An event is written once to the event log, then becomes one delivery per subscribed endpoint.

From your docs repo to the page.

  • Mintlify
  • Claude

Open your docs repo in Claude Code and say which page needs the diagram. It is saved next to your pages and added where the text explains the same thing.

See the Relay demo docs

Relay is a made-up product. Its docs are a real Mintlify site, with diagrams made in diagramkit.

Three ways in.

Pick the one that matches where you already work on your docs.

Your coding agent, in the docs repo.

  • Claude
  • Codex

Install the diagramkit plugin in Claude Code, then ask for the diagram and name the page. In Codex, add colinmatthews/diagramkit-plugin as a plugin marketplace and run codex plugin add diagramkit@diagramkit. You sign in to diagramkit the first time it runs.

Claude, with Mintlify’s connector.

  • Claude
  • Mintlify

Connect diagramkit and Mintlify’s MCP to Claude and ask in one message. Claude adds the diagram to the page on a new branch and opens a pull request. Nothing goes live until you merge it.

The API, from a script or CI.

Make the diagram with the docs preset, then download the file into your repo. Use it when diagrams come from a pipeline, such as one for every new guide.

See the API

In your brand.

Set up your brand once and every diagram after that uses your colours, fonts and shapes, so it looks like the rest of your docs. Brand setup is part of the Team plan ($49 a seat a month, from 3 seats) and Enterprise.

Team and Enterprise

See brand setup

Before and after.

The same explainer of how a CDN serves a page, on a docs page. First as a Mermaid block Claude wrote, then as a diagramkit diagram.

See the full comparison
BeforeMermaid block
Docs

Concepts

How the CDN serves a page

The Mermaid version: grouped boxes for request, hit and miss, in Mermaid's default theme.
Afterdiagramkit
Docs

Concepts

How the CDN serves a page

The diagramkit version: a sequence diagram between the browser, the nearest CDN edge and the origin server, with the cache hit and cache miss paths numbered in order.

Put a diagram on your docs.

Make a diagram Read the Mintlify guide