Pablo Lozano Gil Battletested Agent Skills Skill Propagator

Skill Propagator

Purpose

Keeps AGENTS.md and README.md Auto-invoke sections in sync with skill metadata. When you create or modify a skill, run the propagate script to automatically update all affected AGENTS.md files.

Required Skill Metadata

Each skill that should appear in Auto-invoke sections needs these fields in metadata.

auto_invoke can be either a single string or a list of actions:

metadata:
  author: {Author name}
  version: "1.0"
  scope: [ui]                                    # Which AGENTS.md: ui, api, sdk, root ...

  # Option A: single action
  auto_invoke: "Creating/modifying components"

  # Option B: multiple actions
  auto_invoke:
    - "Creating/modifying components"
    - "Refactoring component folder placement"

Scope Values

Skills can have multiple scopes: scope: [ui, api]

Usage

After Creating/Modifying a Skill

skill-propagator/assets/propagate.sh

What It Does

1. Reads all skills/*/SKILL.md files
2. Extracts metadata.scope and metadata.auto_invoke
3. Generates Auto-invoke tables for each AGENTS.md
4. Generates Auto-invoke tables for the skill folder README.md
5. Updates the ### Auto-invoke Skills section in each file

Example

Given this skill metadata:

# .agent/skills/astro-ui/SKILL.md
metadata:
  author: Pablo Lozano
  version: "1.0"
  scope: [ui]
  auto_invoke: "Creating/modifying ASTRO components"

The sync script generates in ui/AGENTS.md:

### Auto-invoke Skills

When performing these actions, ALWAYS invoke the corresponding skill FIRST:

| Action | Skill |
| -------- | ------- |
| Creating/modifying ASTRO components | `astro-ui` |

Commands

# Sync all AGENTS.md files
skill-propagator/assets/propagate.sh

# Dry run (show what would change)
skill-propagator/assets/propagate.sh --dry-run

# Sync specific scope only
./.agent/skills/skill-propagator/assets/propagate.sh --scope ui

Checklist After Modifying Skills

• Added metadata.scope to new/modified skill
• Added metadata.auto_invoke with action description
• Ran skill-propagator/assets/propagate.sh
• Verified AGENTS.md files updated correctly
• Verified skill folder README.md updated correctly

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