statechart SKILL.md skillA

This file is byte-identical to the first copy the registry indexed, one of 4 indexed copies. Same content hash, so the same checks give both the same grade.

statechart from cursor/plugins is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add cursor/plugins/statechart@git:20261027.34b1b7c

Pins git:20261027.34b1b7c in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
cursor/plugins
Path
pstack/skills/statechart/SKILL.md
Versions recorded
4
Latest version
git:20261027.34b1b7c, committed Oct 27, 2026
First version recorded
Oct 22, 2026
Size
9,100 bytes
Repository stars
15,586
License
none declared

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.

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# 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.

The first run installs TLC and Java with mise and needs the network.

## Write the spec

- Write each rule that the reader agrees to as an INVARIANT. A rule can be about a screen, a result, a stored value, or a message. If the model has no variable for a rule, add the variable. Never weaken a rule to make it hold.
- Write `Next` as a disjunction of the actions, such as `YouPressPlay \/ YouPressStop`. If you do not, TLC names every step `Next`.
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add cursor/plugins/statechart@sha256:010b7b4532406739

The line at the top of this page pins the label git:20261027.34b1b7c, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_mtn5qhp2py5jqmzn.svg)](https://markdownregistry.com/a/art_mtn5qhp2py5jqmzn)

3 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 4 versions of this file, between Oct 22, 2026 and Oct 27, 2026, about one every 2 days.

versioncommittedcommitsizeaudit
git:20261027.34b1b7c latest2026-10-27 34b1b7c 9,100 BA view · diff
git:20261023.076f4b22026-10-23 076f4b2 7,690 BA view · diff
git:20261022.76983752026-10-22 7698375 5,284 BA view · diff
git:20261022.eb4db2b2026-10-22 eb4db2b 4,103 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (9100 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

cursor/plugins · 15,586 stars · license none declared · pushed 2026-11-06 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_mtn5qhp2py5jqmzn
GET https://markdownregistry.com/api/v1/resolve?ref=cursor/plugins/statechart
GET https://markdownregistry.com/api/v1/blob/010b7b4532406739b1c3a426d1a45f02bb618a42561fc96b3976e064a7f8384d

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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Every file in cursor/plugins

Other files named statechart

statechart SKILL.md skill
cursor/plugins · harness/pstack/claude-code/skills/statechart/SKILL.md · Check a TLA+ model of a system that moves between states, such as a product flow, a protocol, or a service, and draw it…
git:20261027.34b1b7c · audit A · 15,586 stars
statechart SKILL.md skill
michael-denyer/pstack-claude · plugins/pstack/skills/statechart/SKILL.md · Check a TLA+ model of a system that moves between states, such as a product flow, a protocol, or a service, and draw it…
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statechart SKILL.md skill
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statechart SKILL.md skill
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statechart SKILL.md skill
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