stack-diagram
An agent skill that turns a one-sentence description of your tech stack into an architecture diagram that uses each service's official logo. Installs with `npx skills add caru-ini/stack-diagram` for Claude Code, Codex and Cursor; a zip is offered for the Claude apps. Repo created Nov 1, 2026.
Test results
Run with our skill harness: the skill alone in a throwaway project, invoked by name, and the real output file checked. Skills are tested in Claude Code and Cursor only so far.
| Client | Result | Last passed | What we checked |
|---|---|---|---|
| Claude Code 2.1.296 (Claude Code) | Passed Tested 2026-11-03 | 2026-11-03 | stack-diagram: {'built HTML with token': True, '≥5 of the named techs in the diagram': True, '≥5 nodes': True, '≥4 inlined logo images': True, '≥1 group box': True, 'no unresolved %%ICON_/%%FONT_ tokens': True, 'PNG rend |
| Cursor | Not tested yet | never |
Skill version: github.com/caru-ini/stack-diagram @ 1ed53e3e (2026-11-03).
Tested on ToolPassed badge
Maker of stack-diagram? It passed in Claude Code on 2026-11-03. Add this free badge to your README; it links back to this listing. Free, no strings: the badge never changes a result.
[](https://toolpassed.com/skills/stack-diagram/)Get it
The skill’s files and install instructions are in its repository: github.com/caru-ini/stack-diagram.
Not working?
Fixes from our own test runs: Skill not working in Claude Code?
