orb-setup SKILL.md skillA

orb-setup from ampcode/official-plugins is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add ampcode/official-plugins/orb-setup@git:20260928.0562610

Pins git:20260928.0562610 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
ampcode/official-plugins
Path
skills/orb-setup/SKILL.md
Versions recorded
1
Latest version
git:20260928.0562610, committed Sep 28, 2026
Size
13,072 bytes
Repository stars
21
License
none declared

Prepare a repository to run in Amp orbs. Use when creating or updating .agents/setup, .agents/resume, or a project's pre-setup script, or when debugging orb environment setup.

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

# Orb Setup

Prepares a repository to run well in Amp orbs (Amp's cloud sandboxes) by creating or updating
its orb lifecycle files. See https://ampcode.com/docs/orbs for the authoritative reference.

## Lifecycle Files

| File | When it runs | Purpose |
|------|--------------|---------|
| Project pre-clone script | Before Amp clones or updates repositories | Install prerequisites required for repository access |
| Project pre-setup script | Immediately before `.agents/setup` whenever setup runs | Install prerequisites when setup cannot be committed to the repository |
| `.agents/setup` | Once for a fresh orb unless Amp activates an exact project snapshot | Install toolchains, dependencies, databases, and other prerequisites |
| `.agents/resume` | After initial activation and every time an orb wakes, before Amp continues | Fast, idempotent authentication, reconnect, or repair steps |

Key invariants:

- For a fresh project orb without a cached snapshot, Amp creates the orb from its base template,
  runs `.agents/setup`, snapshots the configured orb, and starts work from that fresh snapshot.
  Amp may reuse the snapshot for new orbs for up to 72 hours.
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add ampcode/official-plugins/orb-setup@sha256:e6cf5ab83c9a63e1

The line at the top of this page pins the label git:20260928.0562610, 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_bjnxk6a6j575ek3h.svg)](https://markdownregistry.com/a/art_bjnxk6a6j575ek3h)

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

Versions

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

versioncommittedcommitsizeaudit
git:20260928.0562610 latest2026-09-28 0562610 13,072 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 (13072 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

ampcode/official-plugins · 21 stars · license none declared · pushed 2026-11-01 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_bjnxk6a6j575ek3h
GET https://markdownregistry.com/api/v1/resolve?ref=ampcode/official-plugins/orb-setup
GET https://markdownregistry.com/api/v1/blob/e6cf5ab83c9a63e1ec19c6ce114ef5cda58414506a504ba153c50e1ae5dd9a90

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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