installers SKILL.md skillA

installers from atnexuslab/tightship is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add atnexuslab/tightship/installers@git:20261023.787b77e

Pins git:20261023.787b77e in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
atnexuslab/tightship
Path
.agents/skills/installers/SKILL.md
Versions recorded
1
Latest version
git:20261023.787b77e, committed Oct 23, 2026
Size
882 bytes
Repository stars
6
License
MIT

Use when changing the installers — installer/install.sh and install.ps1, or a harness's install.sh and install.ps1 — how they are joined and how install.ps1 must fail.

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

# Installers

`cargo xtask build` joins the neutral `installer/install.sh` and `installer/install.ps1` with each
harness's `harnesses/<harness>/install.sh` and `install.ps1` into `dist/install.sh` and `dist/install.ps1`.
Every installer scenario of `cargo test --workspace` runs against both, so a change to one shell has its
counterpart in the other.

`install.ps1` and its harness parts fail with `throw "error: …"`, never `exit`: under `irm … | iex`, `exit`
closes the adopter's terminal. The one `catch` at the top prints the message as a plain line, since pwsh's
own rendering wraps it across decorated lines, and exits 1 only when the installer runs as a file.

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add atnexuslab/tightship/installers@sha256:86890891bd1b81d9

The line at the top of this page pins the label git:20261023.787b77e, 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_n7pcusr6mlmo23wb.svg)](https://markdownregistry.com/a/art_n7pcusr6mlmo23wb)

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

Versions

The registry has recorded 1 version of this file, committed on Oct 23, 2026.

versioncommittedcommitsizeaudit
git:20261023.787b77e latest2026-10-23 787b77e 882 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 (882 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

atnexuslab/tightship · 6 stars · license MIT · pushed 2026-10-23 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_n7pcusr6mlmo23wb
GET https://markdownregistry.com/api/v1/resolve?ref=atnexuslab/tightship/installers
GET https://markdownregistry.com/api/v1/blob/86890891bd1b81d9f0f72ea338a21769e0244ee17d63f7969049055fc701954a

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 atnexuslab/tightship

Other files named installers

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