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gentle-ai-skill-creator

Trigger: /skill-creation, skill creation, skill creator, create skill, new skill. Create LLM-first skills with valid frontmatter.

Published by Gentleman-Programming ↗Gentleman-Programming/gentle-shell

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Create a concise reusable runtime skill

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Use gentle-ai-skill-creator to create [skill name] for [reusable workflow, runtime, and trigger phrases] in [project path]. Read docs/skill-style-guide.md and inspect existing skills first; update an existing match instead of duplicating it. Produce a concise runtime SKILL.md with valid one-line trigger-first description and the required section order, targeting 180–450 tokens and at most 1000. Add only needed assets/references. Report changed files, package-verification needs, and registry refresh status or the available refresh path.

Required inputs

  • [skill name]
  • [reusable workflow, runtime, and trigger phrases]
  • [project path]

User-approved starter prompt based on a pinned source version; check current skill requirements before running. Task evidence ↗

SKILL.md

name: gentle-ai-skill-creatordescription: "Trigger: /skill-creation, skill creation, skill creator, create skill, new skill. Create LLM-first skills with valid frontmatter."license: Apache-2.0metadata:   author: gentleman-programming  version: "1.0"

Activation Contract

Use this skill when creating or updating a reusable AI skill for Pi or another agent runtime.

Create a skill when:

  • a workflow or convention is reused across sessions;
  • generic agent behavior needs project-specific constraints;
  • a decision tree helps the agent choose safely;
  • examples, templates, or references would make future execution more reliable.

Do not create a skill for a one-off task, generic documentation, or rules that belong in code/tests.

Hard Rules

  • Follow docs/skill-style-guide.md as the normative source for skill structure and style.
  • A skill is an LLM runtime contract, not human-facing docs.
  • Keep SKILL.md concise: target 180–450 tokens, max 1000.
  • Use imperative instructions and concrete gates; avoid tutorials and background prose.
  • Frontmatter description must be one physical YAML-safe line and include trigger words first.
  • Do not add a Keywords section; put essential trigger words in description.
  • Put templates, schemas, and generated examples in assets/.
  • Put longer rationale or local doc links in references/.
  • After changing project skills, refresh the registry with /skill-registry:refresh when available.

Decision Gates

NeedAction
Small reusable behaviorCreate skills/{skill-name}/SKILL.md only
Templates, schemas, fixturesAdd skills/{skill-name}/assets/
Longer explanation or edge casesAdd skills/{skill-name}/references/
Existing skill covers itUpdate the existing skill instead
Skill affects delegation discoveryEnsure trigger words appear in description

Execution Steps

  1. Read docs/skill-style-guide.md before creating or updating skills.
  2. Inspect existing skills and confirm the new skill does not duplicate one.
  3. Choose a kebab-case skill name that matches the user-facing trigger.
  4. Create or update this structure:
skills/{skill-name}/
├── SKILL.md
├── assets/       # optional
└── references/   # optional
  1. Use this frontmatter shape:
---
name: {skill-name}
description: "Trigger: {phrases users or agents will say}. {What this skill does}."
license: Apache-2.0
metadata:
  author: gentleman-programming
  version: "1.0"
---
  1. Write sections in this order: Activation Contract, Hard Rules, Decision Gates, Execution Steps, Output Contract, References.
  2. If this is a packaged gentle-pi skill, add it to scripts/verify-package-files.mjs.
  3. Refresh or document the skill registry update path.

Output Contract

Return:

  • Files created or modified.
  • Whether this created a new skill or updated an existing one.
  • Any supporting assets/ or references/ files added.
  • Whether package verification or skill registry refresh is needed.

References

  • docs/skill-style-guide.md — normative LLM-first skill style guide.
  • skills/skill-registry/SKILL.md — registry refresh and indexing contract.