Od Plugin Authoring Agent Skill

by nexu-io

Guided scenario for creating an Open Design plugin folder that can be installed into My plugins.

445 tokens

context cost

SKILL.md, read when the skill is used

files

plus reference files

copies elsewhere

how many repositories repackaged it

83 386

stars on the repo

on the repository, not the skill itself

Install

one command, takes just this skill from the repository

npx skills add https://github.com/nexu-io/open-design --skill od-plugin-authoring

What comes with it

5 788 bytes besides the instruction

open-design.json

The instruction itself

4 sections, as written by the author

od-plugin-authoring (scenario)

Use this scenario when the user wants to create their own Open Design plugin.

Required outcome

Produce a folder named generated-plugin/ in the active project workspace.

At minimum, the folder must contain:

SKILL.md with frontmatter and clear agent instructions.
open-design.json with valid plugin metadata, od.kind, mode, task kind, capabilities, and inputs when needed.

Add examples/, assets/, or other supporting files only when they help the plugin be used or reviewed.

Authoring rules

Follow docs/plugins-spec.md and the schema at docs/schemas/open-design.plugin.v1.json.
Treat SKILL.md as the canonical behavior description. open-design.json should describe how Open Design installs, applies, and presents that behavior.
Keep the generated plugin local-user friendly: it should not require marketplace publishing, enterprise trust setup, or private team catalog configuration.
Choose a stable plugin id from the user's requested workflow. Use lowercase letters, numbers, dashes, underscores, or dots.
Include a short readiness summary when finished:
Files created.
Whether the folder is ready to add to My plugins.
Any validation or follow-up needed before install.
A direct next-action prompt that offers: Add to My plugins, Publish repo, or Open Design PR.

Suggested folder shape

generated-plugin/
  SKILL.md
  open-design.json
  examples/
  assets/

The examples/ and assets/ directories are optional. Do not create empty directories just to match the sketch.

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How to use it

Copy the folder

Take nexu-io/od-plugin-authoring from the repository into ~/.claude/skills for personal use, or into .claude/skills inside a project.

Check the name does not clash

The agent identifies a skill by the name field in its header. Two skills with the same name cannot sit side by side — one of them will be ignored.