Individual skill
statechart
Check a TLA+ model of a system that moves between states, such as a product flow, a protocol, or a service, and draw it as a Mermaid statechart. The report gives the shortest path to each state that breaks a rule. Use for /statechart, or to show a bug as a path through states.
t3/overrides/statechart/SKILL.md
Source commit 91251ca92b107de606d3958e86454441910f1179
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- Last checked
- Nov 5, 2026
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- Repository last updated
- Nov 7, 2026
- License
- MIT
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SKILL.mdcore · 9,100 bytes
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# Statechart
The chart shows how a system moves between states, in the words of the person who reads it. That person, the reader, decides whether the behavior is right.
## Run
Work in a scratch folder outside the repo. Write a TLA+ spec and its config. Then run:
```sh
<skill dir>/scripts/statechart SPEC.tla [--config FILE] [--view FILE] [--out DIR]
```
`scripts/statechart.ts` is TypeScript, so run it with a runtime that can execute TypeScript.
