rea SKILL.md skillA

rea from anton-abyzov/vskill is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add anton-abyzov/vskill/rea@v1.0.1

Pins v1.0.1 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
anton-abyzov/vskill
Path
skills/rea/SKILL.md
Versions recorded
2
Latest version
v1.0.1, committed Oct 11, 2026
First version recorded
Oct 11, 2026
Size
8,492 bytes
Repository stars
48
License
MIT

Find out exactly how a feature is implemented in a shipped tool or app you don't have the source for (desktop apps, Electron apps like Claude desktop, native CLIs like Codex, websites, APKs, .NET assemblies) using REA - Reverse Engineer Anything (github.com/morluto/rea). Sets REA up when it is missing (CLI, MCP registration, Hopper or Ghidra), routes the target to the right REA tool, keeps evidence out of the context window, and turns findings into a clean-room spec before any rebuild. Use…

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

# REA: learn how a shipped feature really works

When you need to know how a feature is implemented in a specific tool or app,
do not guess from docs, marketing pages or memory. Look at the shipped
artifact with REA and cite what you found.

REA (Reverse Engineer Anything) is an MIT-licensed CLI and MCP server by
morluto. It decompiles and inspects native binaries (through Hopper, Ghidra or
IDA), Electron/JavaScript bundles, websites, Android APKs, .NET assemblies,
firmware and more, and returns Evidence records with IDs you can cite.

This skill is the entry point: set up, route, run, report. REA's own
`reverse-engineer-anything` skill holds the detailed per-tool workflow; load
it when it is installed.

## 0. Is the source available?

If the code is in a repo you can read (open source, the user's own project,
an npm package with readable source), read it with normal tools. REA is for
shipped artifacts: compiled binaries, minified bundles, signed apps.

## 1. Check the setup (once per machine, not per task)

If the REA MCP tools (`open_binary`, `analyze_javascript_application`, ...)
are already in your tool list, or `rea --version` works, skip straight to
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add anton-abyzov/vskill/rea@sha256:349ed8013d4bd849

The line at the top of this page pins the label v1.0.1, 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_3l2sqkctru5xv6be.svg)](https://markdownregistry.com/a/art_3l2sqkctru5xv6be)

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

Versions

The registry has recorded 2 versions of this file, all committed on Oct 11, 2026.

versioncommittedcommitsizeaudit
v1.0.1 latest2026-10-11 13387a6 8,492 BA view · diff
v1.0.02026-10-11 2917da3 8,122 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 (8492 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

anton-abyzov/vskill · 48 stars · license MIT · pushed 2026-10-21 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_3l2sqkctru5xv6be
GET https://markdownregistry.com/api/v1/resolve?ref=anton-abyzov/vskill/rea
GET https://markdownregistry.com/api/v1/blob/349ed8013d4bd8493a264dcdd7292579611ac31f761239a33fd815431383dfba

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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