mex-statechart SKILL.md skillA

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

Install it, pinned
mdr add mex-memory/mex/mex-statechart@git:20261028.a318e2d

Pins git:20261028.a318e2d in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
mex-memory/mex
Path
skills/mex-statechart/SKILL.md
Versions recorded
1
Latest version
git:20261028.a318e2d, committed Oct 28, 2026
Size
5,971 bytes
Repository stars
1,794
License
MIT

Explain complicated existing behavior using checked state diagrams. Use when asked for a state diagram, to diagram the previous explanation, show a bug or recovery path, compare a proposed fix or existing TLA+ spec, or derive a model from an agreed chart. Generates native Mermaid and a readable terminal fallback; optionally view and explicitly save in MEX Hub.

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

# MEX statechart

Make behavior easier for a human to understand. Generate only on user intent. If a diagram would obscure the explanation, use a better explanation. A prior agent answer identifies the subject; verify it independently against current code.

1. Identify the bounded subject, reader, and implemented/proposed/agreed-model scope. Read current source and useful tests. Query `mex wiki query "<subject>" --limit 5 --json` before broad knowledge discovery; inspect matched terms and grounding health, then read live records. Fall back to Router-directed Markdown if unavailable. Use bounded `mex timeline --query "subject" --file known/path --limit 10 --json` only when history might matter. Verify historical applicability. Fresh Graph may locate evidence; call edges are not state transitions. Never refresh indexes on a read.
2. Retain context only when it changes or explains a state, event, condition, rule, exception, recovery, or abstraction. Record the precise connection and provenance. Keep source/requirement conflicts visible. Omit irrelevant context; do not manufacture a MEX contribution.
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add mex-memory/mex/mex-statechart@sha256:3ba7d54cf35749fd

The line at the top of this page pins the label git:20261028.a318e2d, 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_wxshnb7xutnpkgpx.svg)](https://markdownregistry.com/a/art_wxshnb7xutnpkgpx)

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

Versions

The registry has recorded 1 version of this file, committed on Oct 28, 2026.

versioncommittedcommitsizeaudit
git:20261028.a318e2d latest2026-10-28 a318e2d 5,971 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 (5971 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

mex-memory/mex · 1,794 stars · license MIT · pushed 2026-11-04 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_wxshnb7xutnpkgpx
GET https://markdownregistry.com/api/v1/resolve?ref=mex-memory/mex/mex-statechart
GET https://markdownregistry.com/api/v1/blob/3ba7d54cf35749fd1c8cfce142e20ccf60450c1ffb7a33f68a8aed09f53ede79

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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