skillfold-cli SKILL.md skillA

skillfold-cli from byronxlg/skillfold is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned

mdr add byronxlg/skillfold/skillfold-cli@git:20260926.5bc480e

Pins git:20260926.5bc480e in mdr.lock. Pin the fingerprint instead.

Audit grade: A, 17 of 17 checks passed
Kind: SKILL.md skill
Repository: byronxlg/skillfold
Path: library/skills/skillfold-cli/SKILL.md
Versions recorded: 6
Latest version: git:20260926.5bc480e, committed Sep 26, 2026
First version recorded: Mar 20, 2026
Size: 3,107 bytes
Repository stars: 15
License: MIT

Use skillfold to manage project and user skills for Claude Code, Codex, and Cursor. Declare skills in skillfold.yaml, pin them in skillfold.lock, and install them reproducibly.

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

# Skillfold CLI

You use skillfold, a declarative skill manager for agent skills. Projects declare the skills they use in `skillfold.yaml`; skillfold installs them for the selected tools and pins exact revisions in `skillfold.lock`.

## Manifest

`skillfold.yaml` at the project root:

```yaml
skills:
  commit-helper: ./skills/commit-helper                     # local directory
  frontend-design: github:owner/repo/path/to/skill@v1.2.0   # GitHub (tag, branch, or SHA)
  planning: npm:skillfold/planning@2.0.0                    # npm package

compose:
  reviewer:
    description: Review code changes together with their tests.
    use: [code-review, testing]
```

A trailing `@ref` after the last `/` pins a version. For a skill shipped inside a tool's npm package, `@installed` (e.g. `npm:<package>/<skill>@installed`) follows the version the project has installed: bump the dependency, run `skillfold install`, and the skill re-pins. Composed skills concatenate the bodies of the skills they `use` into one generated skill.

## Commands

```bash
skillfold init                # scaffold a starter manifest + example skill
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint

mdr add byronxlg/skillfold/skillfold-cli@sha256:2d9b7dd028e51b34

The line at the top of this page pins the label git:20260926.5bc480e, 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](https://markdownregistry.com/badge/art_hsq57hm54sjgp5gj.svg)](https://markdownregistry.com/a/art_hsq57hm54sjgp5gj)

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

Versions

The registry has recorded 6 versions of this file, between Mar 20, 2026 and Sep 26, 2026, about one every 38 days.

version	committed	commit	size	audit
git:20260926.5bc480e latest	2026-09-26	5bc480e	3,107 B	A	view · diff
git:20260914.0287432	2026-09-14	0287432	2,880 B	A	view · diff
git:20260908.c9d75b2	2026-09-08	c9d75b2	2,842 B	A	view · diff
git:20260706.9eedcfa	2026-07-06	9eedcfa	2,574 B	A	view · diff
git:20260321.3f7ced7	2026-03-21	3f7ced7	2,899 B	A	view · diff
git:20260320.f32f4e4	2026-03-20	f32f4e4	2,845 B	A	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 (3107 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

byronxlg/skillfold · 15 stars · license MIT · pushed 2026-11-02 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_hsq57hm54sjgp5gj
GET https://markdownregistry.com/api/v1/resolve?ref=byronxlg/skillfold/skillfold-cli
GET https://markdownregistry.com/api/v1/blob/2d9b7dd028e51b34e9c01bc7319c2b5f98427efa4d5d5ce9a2978950e7745271

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.

More from byronxlg/skillfold

AGENTS.md AGENTS.md file

byronxlg/skillfold · AGENTS.md

git:20260707.43356f9 · audit A · 15 stars

CLAUDE.md CLAUDE.md file

byronxlg/skillfold · CLAUDE.md

git:20261023.c29c2d9 · audit A · 15 stars

code-review SKILL.md skill

byronxlg/skillfold · library/skills/code-review/SKILL.md · Review code for correctness, clarity, and security.