Frank
651924a4bc
Three parallel trees documented the same ecosystem: omp-docs/skills/
(two overview pages), tools/npx-skills/ (10 pi-era npm pages), and
tools/vercel-labs-skills/ (11 CLI pages), plus a fourth leaderboard page
at engineering/skills-ecosystem.md. Verbatim overlap (identical SKILL.md
field tables in skills-spec.md vs skill-format.md; 13-agent vs 68-agent
copies of the same upstream table). Consolidated to four concept pages:
- skills/agent-skills.md: standard, format, loading, authoring (merges
skills-spec, skill-format, skill-file-structure, skill-loading,
best-practices, skills-vs-extensions)
- skills/skills-cli.md: CLI reference (merges commands, source-formats,
installation-scope, skill-discovery, lock-file, env-variables,
agent-support, related-links)
- skills/store-wiring.md: moved, fleet ops, links retargeted
- skills/ecosystem.md: replaces skills-ecosystem.md; stale 2026-08-12
top-50 table dropped, replaced with a live top-10 re-queried from the
skills.sh API tonight and the API contract re-verified (zero-based,
200/page, {skills,total,hasMore,page}, total 9909)
All facts re-verified 2026-10-19 against primary sources:
agentskills.io, vercel-labs/skills README + src/cli.ts (command set,
--full-depth) + src/skill-lock.ts (v3 lock, XDG path, wipe-on-old),
live skills.sh API. Deleted superseded core/index-doc.md (old pi-era
docs index). Retargeted all inbound links (tools/index, engineering x3,
packages x3, pi/skills, core/index). Pi-era npm skill packaging is
listed as archived under /pi/.
Refs #29
54 lines
2.3 KiB
Markdown
54 lines
2.3 KiB
Markdown
---
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type: reference
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title: Pi Plugins
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description: The pi extension ecosystem and its notable packages - subagents, web access, permission, and skills.
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tags:
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- pi
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- plugins
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- packages
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- engineering
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timestamp: 2026-08-11
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---
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verified: 2026-08-28
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# Pi Plugins
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This page covers the pi coding agent extension ecosystem. Pi extends itself through npm packages installed with `pi install`. Each package provides extensions, skills, prompts, or themes.
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## How Plugins Work
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A pi plugin is an npm package that contains a `pi` manifest. The manifest points to the package's `skills/` and `extensions/` directories. The system reads the manifest at startup and loads the listed capabilities.
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Plugins install to the pi home directory. Locally installed packages in this setup include `pi-peon`, `pi-web-access`, and the core `pi-subagents` extension. See the [Pi Packages](../pi/packages/index.md) page for local details.
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## Notable Packages
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The table lists packages verified in the npm registry during research. Popularity signals are approximate and change over time.
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| Package | Purpose |
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|---------|---------|
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| `pi-subagents` | Core subagent delegation with chains and parallel execution. |
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| `pi-web-access` | Web search, URL fetching, GitHub cloning, PDF extraction. |
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| `@wierdbytes/pi-peon` | CESP/OpenPeon sound packs for lifecycle events. |
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| `bigpowers` | A large collection of spec-driven development skills. |
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| `pi-permission` | Layered shell command permissions. |
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| `@anton-kochev/pi-skills` | Plan mode, TDD, and SRS skills (deprecated). |
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Some package names that appear in older documentation, such as `pi-browser-use` and `pi-permission-system`, did not resolve in the npm registry at research time. Verify a package name before you install it.
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## Related Ecosystem
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Pi implements the open Agent Skills standard. This makes pi skills compatible with Claude Code, Codex CLI, Amp, Droid, Cursor, and many other agents. See the [Skills Ecosystem](/skills/ecosystem.md) page.
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## Citations
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* [npm registry](https://www.npmjs.com/)
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* [Agent Skills standard](https://agentskills.io/)
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* [vercel-labs/skills](https://github.com/vercel-labs/skills)
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## See Also
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* [Pi Configuration](../pi/index.md)
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* [Pi Packages](../pi/packages/index.md)
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* [Skills Documentation](../skills/index.md)
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