agent-skill-creator AGENTS.md

agent-skill-creator AGENTS.md is an instructions file for Codex, OpenCode from FrancyJGLisboa/agent-skill-creator. It costs 285 tokens per session, scanned A, original, MIT.

A guide for creating reusable skills for coding agents from a described workflow or supplied material. It covers the skill instructions, working scripts, tests, security checks, and installers for different agent tools.

In plain words
What is it for?
Use it to create, validate, improve, or export skills such as CSV analysis or invoice processing workflows.
Why use it?
It turns a manual process into a repeatable skill and provides checks for whether the generated skill works as intended.

Instructions file for CodexOpenCode

Written for Codex and OpenCode: the file is AGENTS.md. Also seen: mentions AGENTS.md.

About the project

Agent Skills Platform turns documented work and supporting evidence into tested, installable skills for coding agents. Teams use it to review, publish, maintain, and safely reuse agent workflows, with the catalogue entries serving as skills and plugins built for that ecosystem.

FrancyJGLisboa/agent-skill-creator · 2,366 stars · on GitHub · francyjglisboa.github.io

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 instructions/francyjglisboa/agent-skill-creator/agents-md
Clone the repo
git clone --depth 1 https://github.com/FrancyJGLisboa/agent-skill-creator

Made for: Codex, OpenCode.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for agent-skill-creator AGENTS.md

README.md
[![agentmods](https://agentmods.dev/badge/instructions/francyjglisboa/agent-skill-creator/agents-md.svg)](https://agentmods.dev/instructions/francyjglisboa/agent-skill-creator/agents-md)
Your own site
<a href="https://agentmods.dev/instructions/francyjglisboa/agent-skill-creator/agents-md"><img src="https://agentmods.dev/badge/instructions/francyjglisboa/agent-skill-creator/agents-md.svg" alt="Measured on agentmods" height="20"></a>
Per session 285 This file is loaded in full into every session.
When invoked 285 The same file — it is already loaded in full.
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 5.1 $0.00285 $0.00285
Opus 5 $0.00143 $0.00143
Sonnet 5 $0.00057 $0.00057
Haiku 4.5 $0.00028 $0.00028

Measured 6d ago against content hash abf2e8e72f33, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-05, from the pricing page.

Security

Grade A, and why

agent-skill-creator AGENTS.md 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 6d ago.

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.

AGENTS.md · 30 lines

What it actually says

agent-skill-creator

Turn any workflow into a reusable, cross-platform agent skill. The user describes what they do — in plain English, or by handing over a PDF, a link, a script, a transcript — and this skill builds a complete, validated, security-scanned agent skill with functional code, its own eval suite, and a cross-platform installer.

Activation

Invoke with /agent-skill-creator <description or material>, or naturally:

  • "Create a skill for analyzing CSV files"
  • "Every day I process invoices manually, automate this"
  • "Validate this skill" / "Export this skill for Cursor"

How to use this file

This is the cross-tool companion file (AAIF format). The full factory instructions — the five-phase pipeline, quality gates, eval emission, and cross-platform export — live in SKILL.md at this repo root. Read SKILL.md and follow it; treat this file as the pointer, not the instructions.

What generated skills carry

Every skill this factory produces ships with: spec-compliant SKILL.md + AGENTS.md, functional scripts, an eval spec with golden cases and a regression gate (scripts/run_evals.py), a self-maintenance loop (scripts/evolve.py), plugin manifests for native in-tool installs, and a 17-platform installer.

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. 6d ago First seen · 30 lines · 285 tokens per session scan A abf2e8e72f33

Subscribe to this mod's changes

agent-skill-creator AGENTS.md is an instructions file published in the GitHub repository FrancyJGLisboa/agent-skill-creator (2,366 stars, last pushed 4d ago), licensed MIT. It adds 285 tokens to every session, about $0.0014 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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