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stack-diagram: one sentence about your stack, a diagram with real logos

Describe your tech stack in a sentence and this skill draws a clean architecture diagram with each vendor's official logo, lines routed around the labels, in light and dark themes. You get a self-contained HTML file, PNGs or a React component.

In short: Describe your tech stack in a sentence and this skill draws a clean architecture diagram with each vendor's official logo, lines routed around the labels, in light and dark themes. You get a self-contained HTML file, PNGs or a React component. It is a free skill for people who use Claude Code, Codex, Cursor or Claude and want help with coding agent skills.

Checked on · Added

Open on GitHub · ★ 804

Works with

Agent / toolAccess / costLink
Claude CodePaid Claude plan or APIclaude.com/claude-code
CodexChatGPT plan or APIopenai.com/codex
CursorFree tier + paidcursor.com
ClaudeFree tier + paidclaude.ai
GitHub repoOpen source · ★ 804caru-ini/stack-diagram
stack-diagram: one sentence about your stack, a diagram with real logos

Image: from the GitHub README, shown with credit.

Image from the caru-ini/stack-diagram READMEImage from the caru-ini/stack-diagram README

Images from the project README on GitHub.

Try it in 60 seconds

npx skills add caru-ini/stack-diagram

Install command copied from the project README. Check the README for the latest version.

What it does

Describe your tech stack in a sentence and this skill draws a clean architecture diagram with each vendor's official logo, lines routed around the labels, in light and dark themes. You get a self-contained HTML file, PNGs or a React component.

Write one sentence about your stack, for example a Next.js app and a Hono API on Vercel, Postgres on Neon, Clerk for auth and Stripe for payments, and stack-diagram draws the architecture diagram. It fetches each…

Short excerpt from the README of caru-ini/stack-diagram. Read the full README on GitHub.

Inside the repo

More examplesLight and darkShare it as an artifactShare it to the galleryWhat you getStar historyLicenses and trademarks

A prompt to try

Draw our docs chatbot: Next.js on Vercel searches Supabase pgvector and answers with Claude. Inngest syncs Notion every night.

From the original post, credited below.

Step by step

  1. Open the GitHub repo and look at the example diagrams.
  2. Install it with npx skills add caru-ini/stack-diagram (in the Claude apps, upload stack-diagram.zip from the Releases page as a skill).
  3. Ask your agent, e.g. diagram our stack: Next.js and a Hono API on Vercel, Postgres on Neon, auth with Clerk, payments with Stripe, GitHub Actions deploys.
  4. Open the HTML file it makes, or ask for PNG or a React component for your README or docs.

Watch out for

Brand logos are downloaded from public icon sets and stay the trademarks of their owners. After drawing, it offers to post the picture to a public gallery; just say no if the diagram shows anything private. The repo is only days old, so expect fast changes.

Docs, demos & materials

Common questions

What does stack-diagram do?

Describe your tech stack in a sentence and this skill draws a clean architecture diagram with each vendor's official logo, lines routed around the labels, in light and dark themes. You get a self-contained HTML file, PNGs or a React component.

Which AI agents can use stack-diagram?

It works with Claude Code, Codex, Cursor and Claude. The code is on GitHub at caru-ini/stack-diagram.

Is stack-diagram free?

Free & open source (MIT). No account or API key. Needs Python 3.9+ and internet access to fetch the logos; PNG export uses Playwright with Chromium.

How do I install stack-diagram?

Run the install command from the README: “npx skills add caru-ini/stack-diagram”. Check the README on GitHub for the latest version, then follow the steps on this page.

Is stack-diagram safe to install?

We read 106 instruction and code files in the repo and found no red flags. That is not a guarantee, so review anything that runs commands on your machine. How to check a skill before you install it →

Sources & credit

All credit to the original authors. We rewrite in our own words and link back. Something wrong? Report it.

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See all Coding Agent Skills entries →

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