nexu-io__open-design/plugins/spec/PUBLISHING-REGISTRIES.md

Publishing To Skill Registries

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OpenDesign plugins are intentionally shaped so one folder can travel across multiple agent ecosystems. The safest publishing model is:

1. Keep the source of truth in a public GitHub repository or in an OpenDesign PR.
2. Keep SKILL.md portable and registry-friendly.
3. Add open-design.json as the OpenDesign sidecar.
4. Publish or list the same source in external registries only after local validation passes.

Registry rules can change, so always check the target registry docs before running a publish command.

Recommended Release Order

1. Validate the plugin folder locally.
2. Push a public GitHub repository or open an OpenDesign PR.
3. Add README install instructions for OpenDesign and generic Agent Skills clients.
4. Add registry-specific badges or links.
5. Publish to registries that match the plugin's audience.
6. Record every published URL in the README and PR body.

Registry Matrix

Target	Best for	Source shape	Publish strategy
OpenDesign	OD marketplace, composer chips, pipelines, GenUI, artifact provenance	SKILL.md + open-design.json	Open a PR to OpenDesign or publish a marketplace index entry pointing to the plugin repo.
skills.sh	Agent Skills discovery across many coding agents	Public Git repo or subpath containing SKILL.md	Make npx skills add owner/repo work, add the skills.sh badge, and keep the README clear.
ClawHub	OpenClaw users who install skills or OpenClaw plugins from a registry	SKILL.md folder for skills; OpenClaw package metadata for plugins	Use clawhub skill publish ./my-skill for skill folders. Use clawhub package publish ... --family code-plugin only when you also ship OpenClaw plugin metadata.
Standalone GitHub	Source of truth and broad agent compatibility	Portable folder or mono-repo subpath	Tag releases, document install commands, and keep changelogs.

skills.sh Strategy

The skills.sh ecosystem indexes installable Agent Skills and documents the skills CLI as the main install path. The public docs show installation through GitHub-style sources:

npx skills add owner/repo
npx skills add https://github.com/owner/repo/tree/main/path/to/skill
npx skills add ./my-local-skills

For OpenDesign plugin authors:

• Ensure the repo or subpath contains a valid SKILL.md.
• Keep open-design.json additive; generic skill clients should be able to ignore it.
• Put a short install block in your README:

npx skills add owner/repo --skill my-plugin
od plugin install https://github.com/owner/repo

• Add a badge once the public source is stable:

[![skills.sh](https://skills.sh/b/owner/repo)](https://skills.sh/owner/repo)

• Use a GitHub topic and README keywords that match the plugin's lane, such as open-design-plugin, agent-skill, prototype, deck, hyperframes, or design-system.

Do not assume skills.sh is the canonical storage location. Treat GitHub as source of truth and skills.sh as a discovery and install surface.

ClawHub Strategy

ClawHub is the OpenClaw registry layer for skills and plugins. Its docs distinguish skill publishing from package publishing:

npm i -g clawhub
clawhub login

clawhub skill publish ./my-skill \
  --slug my-skill \
  --name "My Skill" \
  --version 1.0.0 \
  --changelog "Initial release"

Use this path for normal OpenDesign plugins because they are centered on SKILL.md.

Only use the OpenClaw package path when you intentionally ship an OpenClaw code plugin with OpenClaw compatibility metadata:

clawhub package publish <source> --family code-plugin --dry-run
clawhub package publish <source> --family code-plugin

For ClawHub-ready skills:

• Keep SKILL.md metadata accurate.
• Declare required environment variables, tools, permissions, connectors, or network access in the README and skill body.
• Run the dry run or inspect command before making a listing public.
• Link back to the canonical GitHub repo and OpenDesign PR.
• Keep changelog text honest and versioned.
• Keep open-design.json specVersion fixed to the spec kit version and bump plugin version for every publishable behavior change.

Safety Checklist

Public skill registries are supply-chain surfaces. Before publishing:

• No hidden install scripts.
• No automatic credential collection.
• No network calls unless the plugin clearly declares why they are needed.
• No destructive shell commands without explicit user confirmation.
• Include license, author, source URL, version, and changelog.
• Include validation output from pnpm guard, plugin manifest validation, and any registry dry run.
• Prefer small example assets over large opaque archives.

PR Body Snippet

## Registry publishing

- Canonical source:
- OpenDesign PR:
- OpenDesign specVersion:
- Plugin version:
- Marketplace catalog version:
- skills.sh install:
- ClawHub listing:
- Other registries:

## Registry validation

- `pnpm guard`:
- `pnpm --filter @open-design/plugin-runtime typecheck`:
- `od plugin validate ./path/to/plugin`:
- `npx skills add ... --list`:
- `clawhub skill publish ./path --dry-run` or equivalent:

References

• skills.sh
• skills.sh docs
• skills CLI
• ClawHub
• ClawHub quickstart
• How ClawHub works