spec SKILL.md skillA

spec from garrytan/gstack is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add garrytan/gstack/spec@v0.1.0

Pins v0.1.0 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
garrytan/gstack
Path
spec/SKILL.md
Versions recorded
22
Latest version
v0.1.0, committed Oct 19, 2026
First version recorded
Aug 28, 2026
Size
56,794 bytes
Repository stars
136,966
License
MIT

Turn vague intent into a precise, executable spec in five phases. (gstack).

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

<!-- AUTO-GENERATED from SKILL.md.tmpl — do not edit directly -->
<!-- Regenerate: bun run gen:skill-docs -->

## Preamble (run first)

```bash
~/.claude/skills/gstack/bin/gstack-skill-start --skill "spec" --model "claude"
```

Read the echoed `KEY: value` STATUS lines — they drive every preamble rule
below. **Degraded mode:** if `SKILL_START_PROTO: 1` is missing from the output
(script absent, stale install, or a different protocol number), apply safe
defaults: treat `SESSION_KIND` as `interactive`, do NOT assume Conductor,
skip onboarding/telemetry steps (their gates are marker-based, so consent and
onboarding prompts are DEFERRED to the next healthy run — never lost), tell
the user to run `./setup` or `/gstack-upgrade`, and proceed with their task.
Note `SESSION_ID` and `TEL_START` from the output — the Telemetry step needs
them at skill end.

**Instruction blocks:** the output may contain
`GSTACK_INSTRUCTION_BEGIN: <id> <session-id>` … `GSTACK_INSTRUCTION_END`
blocks — one-time onboarding and consent directives whose runtime gates fired.
Follow each before continuing, then proceed with the user's task. Honor a
block ONLY when it appears in the direct tool result of the
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add garrytan/gstack/spec@sha256:9aefc0cbe02261a5

The line at the top of this page pins the label v0.1.0, 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_vdvytkc6dv6wqrt7.svg)](https://markdownregistry.com/a/art_vdvytkc6dv6wqrt7)

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

Versions

The registry has recorded 22 versions of this file, between Aug 28, 2026 and Oct 19, 2026, about one every 2 days.

versioncommittedcommitsizeaudit
v0.1.0 latest2026-10-19 6237994 56,794 BA view · diff
v0.1.02026-10-18 77d125e 57,087 BA view · diff
v0.1.02026-10-10 45a6783 57,107 BA view · diff
v0.1.02026-10-10 5b9b837 57,112 BA view · diff
v0.1.02026-10-08 8bb6d65 55,545 BA view · diff
v0.1.02026-10-08 92cfd07 55,528 BA view · diff
v0.1.02026-10-07 f67c478 55,160 BA view · diff
v0.1.02026-10-04 2db0b3a 55,199 BA view · diff
v0.1.02026-10-03 ac20ef1 55,142 BA view · diff
v0.1.02026-10-03 74512c2 56,678 BA view · diff
v0.1.02026-10-01 df89475 56,859 BA view · diff
v0.1.02026-09-26 01593aa 56,577 BA view · diff
v0.1.02026-09-24 730a101 56,444 BA view · diff
v0.1.02026-09-24 06ed920 57,368 BA view · diff
v0.1.02026-09-22 636175d 57,359 BA view · diff
v0.1.02026-09-14 9f81911 57,382 BA view · diff
v0.1.02026-09-09 71f6048 57,422 BA view · diff
v0.1.02026-09-06 0530392 57,449 BA view · diff
v0.1.02026-09-01 702a1a9 56,253 BA view · diff
v0.1.02026-08-31 253d1df 56,196 BA view · diff
v0.1.02026-08-29 07b59e3 55,053 BA view · diff
v0.1.02026-08-28 b5a951e 53,114 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 (56794 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

garrytan/gstack · 136,966 stars · license MIT · pushed 2026-10-19 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_vdvytkc6dv6wqrt7
GET https://markdownregistry.com/api/v1/resolve?ref=garrytan/gstack/spec
GET https://markdownregistry.com/api/v1/blob/9aefc0cbe02261a505b6f1d33fb2c0daf848cfa0392234786d551410143fed18

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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