walnut-plugin-author SKILL.md skillA
walnut-plugin-author from evanzhang008/open-walnut is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add evanzhang008/open-walnut/walnut-plugin-author@git:20260926.5947e29Pins git:20260926.5947e29 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- evanzhang008/open-walnut
- Path
src/data/skills/walnut-plugin-author/SKILL.md- Versions recorded
- 3
- Latest version
- git:20260926.5947e29, committed Sep 26, 2026
- First version recorded
- Aug 23, 2026
- Size
- 11,212 bytes
- Repository stars
- 34
- License
- MIT
Build, verify, and package an Open Walnut Plugin with the public plugin API and author CLI. Use when creating a Plugin, adding a native App or server automation, converting a legacy integration, debugging Plugin lifecycle cleanup, or preparing a Plugin release.
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
# Walnut Plugin author Use the unified `apiVersion: 1` plugin model. Read `docs/reference/plugin-development.md` and the executable example `examples/plugins/walnut-demo` (the Walnut Plugin Demo) before writing code. Follow the eight steps below in order. Each one has a check you can run, so you never claim a plugin works because the code looks right. ## 1. Choose the capabilities first Decide what the plugin contributes before scaffolding, because the answer picks the template: | The plugin needs | Capability to use | Template | |---|---|---| | The Personal AI to call something | `registry.tool` | `server` | | A recurring or scheduled action | `registry.cronAction` | `server` | | To react to sessions or tasks | `registry.hook` | `server` | | Two-way task sync with an external system | `registry.sync` plus `sourceClaim` and `display` | `server` | | A screen in the console | `ui.app` | `web` | | A screen that reads server state | `ui.app` plus `registry.wsMethod` or `http.route` | `both` | | Instructions an agent should read | a `skills/<name>/SKILL.md` directory | either | | A namespaced slash command | `registry.command` | `server` | …
Read the whole file at its exact version.
How to install
mdr add evanzhang008/open-walnut/walnut-plugin-author@sha256:d07348568907a5efThe line at the top of this page pins the label git:20260926.5947e29, 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.
[](https://markdownregistry.com/a/art_tveprdejzpgjpi3o)
2 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 3 versions of this file, between Aug 23, 2026 and Sep 26, 2026, about one every 17 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260926.5947e29 latest | 2026-09-26 | 5947e29 | 11,212 B | A | view · diff |
| git:20260824.e042aac | 2026-08-24 | e042aac | 10,793 B | A | view · diff |
| git:20260823.4a9c404 | 2026-08-23 | 4a9c404 | 5,144 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (11212 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
evanzhang008/open-walnut · 34 stars · license MIT · pushed 2026-10-22 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_tveprdejzpgjpi3o GET https://markdownregistry.com/api/v1/resolve?ref=evanzhang008/open-walnut/walnut-plugin-author GET https://markdownregistry.com/api/v1/blob/d07348568907a5efed7891b93c4f7605a7929c0f88e5151d8878b76c531b9237
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.