skill-creator SKILL.md skillA

skill-creator from fastfold-ai/sandwalk is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add fastfold-ai/sandwalk/skill-creator@v1.0.0

Pins v1.0.0 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
fastfold-ai/sandwalk
Path
cli/src/skills/skill_creator/SKILL.md
Versions recorded
5
Latest version
v1.0.0, committed Jul 28, 2026
First version recorded
Jul 15, 2026
Size
4,276 bytes
Repository stars
20
License
Apache-2.0

Create new agent skills and iteratively improve them. Use when the user wants to build, scaffold, author, validate, package, enable, or install a new user-created skill for the Sandwalk / Fastfold agent CLI.

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

# Skill Creator

Create a new agent skill end to end: scaffold, write, validate, package, and install.

## When to Use This Skill
- The user wants to create/author a new skill.
- The user wants to scaffold a `SKILL.md`, validate one, or package a skill for sharing.

## What a Skill Is
A directory containing a required `SKILL.md` (YAML frontmatter + Markdown body) and
optional `scripts/`, `references/`, and `assets/` folders. Frontmatter requires
`name` (kebab-case) and `description` (one sentence with trigger phrases).
User-authored skills set `author` to the local user name and
`category: Created by Me` so they appear under that author/category in Skills.

## Workflow

1. **Clarify.** Ask what the skill should do, its trigger phrases, and whether it needs scripts.

2. **Scaffold a draft with the tool (required).** Do not create the skill
   directory with `mkdir`, `write_file`, or `scripts/init_skill.py`; those paths
   are drafts and do not register a skill with Sandwalk. Call:

   ```
   skills.manage(action="create", name="<skill-name>", install=false, with_scripts=true)
   ```

   Use the returned `path` for all authoring. A successful create result with
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add fastfold-ai/sandwalk/skill-creator@sha256:76ec1e5455e88635

The line at the top of this page pins the label v1.0.0, 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_fwriwkse75mzqrwo.svg)](https://markdownregistry.com/a/art_fwriwkse75mzqrwo)

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

Versions

The registry has recorded 5 versions of this file, between Jul 15, 2026 and Jul 28, 2026, about one every 3 days.

versioncommittedcommitsizeaudit
v1.0.0 latest2026-07-28 af16ab3 4,276 BA view · diff
git:20260728.90663852026-07-28 9066385 4,225 BA view · diff
git:20260724.13fed822026-07-24 13fed82 3,986 BA view · diff
git:20260724.4cef0572026-07-24 4cef057 3,834 BA view · diff
git:20260715.784f5b12026-07-15 784f5b1 2,543 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 (4276 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

fastfold-ai/sandwalk · 20 stars · license Apache-2.0 · pushed 2026-10-21 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_fwriwkse75mzqrwo
GET https://markdownregistry.com/api/v1/resolve?ref=fastfold-ai/sandwalk/skill-creator
GET https://markdownregistry.com/api/v1/blob/76ec1e5455e88635649e99d3853b302212048620beccb2097de33436b5345798

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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