version: "1.0.0" name: marketplace-create-extension description: >- Infrastructure skill — scaffold a new marketplace extension package (SKILL.md + tools.yaml + scripts/) with MIT-0 licensing. Use when creating a publishable marketplace entry for any DCC host. Not for editing existing extensions or driving live DCC scenes — use domain skills for that. license: MIT-0 compatibility: "meshy-dcc-core 0.17+, Python 3.7+" allowed-tools: Bash Read Write metadata: meshy-dcc: dcc: python version: "0.18.9" # x-release-please-version layer: infrastructure search-hint: >- create marketplace extension, scaffold extension package, new skill package, SKILL.md generator, marketplace entry, extension authoring tags: "marketplace, extension, scaffolding, authoring, infrastructure" tools: tools.yaml skill-reference-docs:

• "references/*.md"

openclaw: homepage: https://github.com/meshy-dev/meshy-dcc-core/blob/main/skills/marketplace-create-extension/SKILL.md

Marketplace Create Extension

CLI-First Control Path

For marketplace and live-DCC operations, use the meshy-dcc skill and meshy-dcc whenever shell access is available. Its consent-gated install and update check → update apply contract is the single source of truth; do not invent a package-local CLI bootstrap path.

Scaffold a new marketplace extension package with the standard meshy-dcc skill layout and MIT-0 licensing. Follows the same patterns as meshy-dcc-skills-creator.

The scaffold tool creates one Skill. To distribute several generated Skills together, place them under skills/ in an Agent Plugins 1.0 package with a root plugin.json; keep them separate when they do not share one release and uninstall boundary.

Tools

marketplace_create_extension__create

Scaffold a new extension directory containing SKILL.md (MIT-0), tools.yaml (with full annotations), and a scripts/ directory with a placeholder action script that uses meshy_dcc_core.skills_helper.

Prerequisites

• meshy-dcc-core installed
• Write access to the target output directory

Generated Layout

<name>/
├── SKILL.md       # MIT-0 frontmatter + body
├── tools.yaml     # Tool declarations with schemas, annotations, execution metadata
└── scripts/
    └── <action>.py  # Placeholder using skills_helper pattern

Quick Start

from meshy_dcc_core.skills_helper import call_tool
# Via MCP tool call:
# marketplace_create_extension__create(
#     name="my-maya-tools",
#     description="Custom Maya modeling utilities",
#     dcc_targets=["maya"],
#     install_type="git",
#     author="Your Name",
# )

Authoring Workflow

1. Scaffold the extension with marketplace_create_extension__create.
2. Implement the placeholder action script.
3. Validate with meshy_dcc_skills_creator__validate_skill_dir.
4. Publish to a marketplace catalog with marketplace_publish_extension__publish.

Read MARKETPLACE_EXTENSION_GUIDE.md for the full marketplace extension authoring contract.