AGENTS.mdA

AGENTS.md from vinta/hal-9000 is an AGENTS.md file: the standing instructions coding agents read in that repo.

Install it, pinned
mdr add vinta/hal-9000/AGENTS.md@git:20261020.8c774da

Pins git:20261020.8c774da in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 14 of 14 checks passed
Kind
AGENTS.md file
Repository
vinta/hal-9000
Path
AGENTS.md
Versions recorded
7
Latest version
git:20261020.8c774da, committed Oct 20, 2026
First version recorded
Aug 11, 2026
Size
2,810 bytes
Repository stars
141
License
MIT

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

# AGENTS.md

macOS dev environment automation: dotfiles, AI agent configs, skills, and dev stacks.

## Commands

Use `make help` to find targets and `hal --help` for CLI usage. When a matching Makefile target exists, use it to run the required tools and flags together.

## Gotchas

- Edit managed home-directory files in `dotfiles/`; `dotfiles/hal_dotfiles.json` maps them to their destinations under `~/`.
- Edit skills in `skills/`. The `hal-9000` Claude Code marketplace installs the published GitHub version, so local edits do not update that installed plugin. Distribution commands are in [README.md](README.md#skills).
- Keep the `hal-skills` skill lists in `skills/.claude-plugin/plugin.json` and `.claude-plugin/marketplace.json` synchronized. Both copies are intentional: Claude Code reads the first for author and skill count; `npx skills` needs the second to group skills because it only looks for a root `plugin.json`.
- Regenerate generated artifacts with their repo command. After changing `bin/hal.py`, run `make hal-completion` to update zsh completion.

## External Tool Documentation
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add vinta/hal-9000/AGENTS.md@sha256:a3449d9ba0de8178

The line at the top of this page pins the label git:20261020.8c774da, 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_ate2acxwrphku236.svg)](https://markdownregistry.com/a/art_ate2acxwrphku236)

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

Versions

The registry has recorded 7 versions of this file, between Aug 11, 2026 and Oct 20, 2026, about one every 12 days.

versioncommittedcommitsizeaudit
git:20261020.8c774da latest2026-10-20 8c774da 2,810 BA view · diff
git:20260916.1f5bb332026-09-16 1f5bb33 2,912 BA view · diff
git:20260905.7e461292026-09-05 7e46129 2,938 BA view · diff
git:20260827.d0856852026-08-27 d085685 3,197 BA view · diff
git:20260821.990bc472026-08-21 990bc47 3,261 BA view · diff
git:20260811.35f3f3b2026-08-11 35f3f3b 3,325 BA view · diff
git:20260811.76e32f72026-08-11 76e32f7 3,322 BA view

Audit of the latest version

A  14 of 14 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Size between 200 bytes and 200 KB (2810 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

vinta/hal-9000 · 141 stars · license MIT · pushed 2026-10-20 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_ate2acxwrphku236
GET https://markdownregistry.com/api/v1/resolve?ref=vinta/hal-9000/AGENTS.md
GET https://markdownregistry.com/api/v1/blob/a3449d9ba0de817898a612c5d114dbe6cf11f767d2e681d612f3e591c6cd2fb3

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: how to write a good AGENTS.md · AGENTS.md vs CLAUDE.md · which agent file does what.

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vinta/hal-9000 · skills/audit-agent-settings/SKILL.md · Use when auditing Claude Code or Codex settings and env vars against the latest docs to suggest tailored changes
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vinta/hal-9000 · skills/best-practices/SKILL.md · Use when about to choose, configure, or refine a tool, library, config format, API pattern, or project setup, or before…
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vinta/hal-9000 · skills/blindspot/SKILL.md · Use when the user asks for a blindspot pass or to find their unknown unknowns, or signals unfamiliarity with a domain…
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vinta/hal-9000 · skills/commit/SKILL.md · Use when making any git commit. Pass the failure, false claim, or risk the changes fix as the argument; for an addition…
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fuck-over-engineering SKILL.md skill
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