Skill Packages

Install, search, update, and manage Skills from the community registry.

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Commands

skill install

Download and install a Skill from the community registry:

$ rnix skill install code-analysis
Installing code-analysis@1.2.0...
  ✓ Downloaded from registry
  ✓ Installed to ~/.config/rnix/skills/code-analysis/
  ✓ Registry updated

Skills are installed to ~/.config/rnix/skills/ (global) with their SKILL.md file and any associated resources.

skill search

Search the community registry for available Skills:

$ rnix skill search "security"
Name                  Version  Downloads  Description
security-scan         2.0.1    1,234      Scan for security vulnerabilities
dependency-audit      1.3.0      567      Audit dependency security
auth-review           1.0.0      234      Review authentication implementations

skill update

Update installed Skills to the latest compatible version:

$ rnix skill update code-analysis
Updating code-analysis: 1.2.0 → 1.3.0...
  ✓ Downloaded
  ✓ Updated

$ rnix skill update          # Update all installed skills

skill list

View all locally installed Skills:

$ rnix skill list
Name              Version  Allowed Tools          Source
code-analysis     1.3.0    /dev/fs /dev/shell      registry
security-scan     2.0.1    /dev/fs                 registry
my-custom-skill   0.1.0    /dev/fs /dev/shell      local

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Local Registry

The system maintains a local registry tracking installed Skills:

Field	Description
Name	Skill identifier
Version	Installed version
Source	registry or local
Path	Filesystem location
Installed	Installation timestamp

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Creating Custom Skills

You can create Skills locally without publishing to the registry:

mkdir -p .rnix/skills/my-skill

Create .rnix/skills/my-skill/SKILL.md:

---
name: my-skill
description: "My custom skill"
allowed-tools: /dev/fs
---

# My Skill

Instructions for the agent...

The skill is immediately available to reference from agent.yaml.

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Related Documentation

• Agents & Skills — Skill definition format
• Token Economy — Skill synergy emergence
• Reference Manual — SKILL.md field reference