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omp-docs/tools/npx-skills/package-structure.md

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+---
+type: reference
+title: Pi Package Structure
+description: How pi packages bundle skills, extensions, prompts, and themes into a single npm package with a pi manifest.
+tags:
+  - unverified
+  - packages
+  - npm
+  - distribution
+timestamp: 2026-07-18
+verified: 2026-08-28
+---
+
+# Pi Packages — The Distribution Mechanism
+
+Pi packages are npm packages that declare resources via a `pi` manifest in `package.json`. They are the primary way to distribute skills (along with extensions, prompts, and themes) through npm.
+
+## Package Structure
+
+```
+my-pi-package/
+├── package.json              # npm metadata + pi manifest
+├── skills/                   # Conventional directory (auto-discovered)
+│   ├── my-skill/
+│   │   └── SKILL.md
+│   └── another-skill/
+│       └── SKILL.md
+├── extensions/               # TypeScript extensions
+├── prompts/                  # Prompt templates
+├── themes/                   # TUI themes
+└── README.md
+```
+
+## Package.json with pi Manifest
+
+```json
+{
+  "name": "my-pi-package",
+  "keywords": ["pi-package"],
+  "pi": {
+    "extensions": ["./extensions"],
+    "skills": ["./skills"],
+    "prompts": ["./prompts"],
+    "themes": ["./themes"]
+  }
+}
+```
+
+## Gallery Metadata
+
+Packages tagged with `pi-package` appear on the [pi.dev/packages gallery](https://pi.dev/packages). Add preview media:
+
+```json
+{
+  "pi": {
+    "skills": ["./skills"],
+    "video": "https://example.com/demo.mp4",
+    "image": "https://example.com/screenshot.png"
+  }
+}
+```
+
+## Two-Layer Model
+
+```
+npm package (tagged pi-package)
+├── pi.skills manifest → points to ./skills/
+└── skills/
+    ├── brave-search/SKILL.md
+    ├── browser-tools/SKILL.md
+    └── tdd-workflow/SKILL.md
+```
+
+Skills are the **content** (SKILL.md + scripts). Pi packages are the **delivery mechanism** (npm tarball with a `pi` manifest).
+
+## Related
+
+* [Installation](/tools/npx-skills/installation.md) — How to install pi packages
+* [Skill File Structure](/tools/npx-skills/skill-file-structure.md) — What goes inside a skill