example-skill

A starter template for creating consistent, reusable coding-agent skills in a repository. It defines the sections, inputs, outputs, checks, and supporting files a skill should have.

In plain words
What is it for?
Use it to start a new skill, reorganize detailed guidance into reference files, and add repeatable checks for verifying the skill.
Why use it?
It gives repository authors a repeatable structure and catches missing fields, invalid names, and broken file references before publishing.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/vincentkoc/dotskills/example-skill
Any agent
npx skills add vincentkoc/dotskills --skill example-skill
Clone the repo
git clone --depth 1 https://github.com/vincentkoc/dotskills

Made for: Claude Code, Codex.

Per session 15 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 331 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00015 $0.00331
Opus 5 $0.00008 $0.00166
Sonnet 5 $0.00003 $0.00066
Haiku 4.5 $0.00002 $0.00033

Measured 2d ago against content hash 94708790f041, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

example-skill scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

The scan reads SKILL.md. This mod also ships 2 executable files (scripts/example-check.sh, scripts/helloworld.js), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/example-skill/SKILL.md · 62 lines

What it actually says

Example Skill

Purpose

Provide a spec-aligned template for creating consistent, reusable skills.

When to use

  • You are adding a new skill to this repository.
  • You want a starter structure with required sections.

Workflow

  1. State the objective in one sentence.
  2. Collect only required inputs.
  3. Execute deterministic steps.
  4. Load deeper context only when needed:
    • references/REFERENCE.md
    • assets/output-template.md
    • agents/openai.yaml
  5. Return output in a stable format.
  6. Use scripts/example-check.sh for a deterministic preflight check.

Inputs

  • Task objective
  • Constraints
  • Output destination

Outputs

  • Primary deliverable
  • Follow-up checks

Examples

  • Build a new skill skeleton with required sections and valid frontmatter.
  • Refactor an existing skill to move deep details into references/.
  • Add deterministic checks under scripts/ for repeatable verification.

Edge cases

  • Missing frontmatter fields: stop and add required fields first.
  • Invalid name format: normalize to lowercase-hyphen and match directory name.
  • Broken resource paths: fix links so all referenced files exist.

Guardrails

  • Keep instructions concrete and testable.
  • Avoid unnecessary context loading.
  • Prefer deterministic commands over manual steps.
  • Keep file references one level deep from SKILL.md.
Files

What ships with it

6 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago First seen · 62 lines · 15 tokens per session scan A 94708790f041

Subscribe to this mod's changes

example-skill is a skill published in the GitHub repository vincentkoc/dotskills (102 stars, last pushed 11d ago), licensed MIT. It adds 15 tokens to every session and 331 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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