leather: Skill for Claude Code

.agents/skills/release-prep/SKILL.md

release-prep is a skill for Claude Code, Codex from TGPSKI/leather. It costs 75 tokens per session (1,726 once invoked), scanned A, original, GPL-3.0.

A release-preparation workflow for creating a new software release from recent Git history. It updates the version-related documentation and changelog, then commits and pushes the changes.

In plain words
What is it for?
Use it when cutting a new release or updating the version after feature and bug-fix work; use a release-tag workflow separately when tagging it.
Why use it?
It gathers the release changes into a consistent versioned record and reduces the manual work of preparing a release. It is separate from the later step of creating a release tag.

Skill for Claude CodeCodex

Which agent this was written for is unclear — body not stored (licence); the path alone says nothing. Also seen: installed under .agents/ (shared by several agents).

This is TGPSKI/leather's own configuration. It tells Claude Code and Codex how to work on leather itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything leather configures →

Reuse

Borrowing it

Nothing to install: this file belongs to TGPSKI/leather. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/TGPSKI/leather/main/.agents/skills/release-prep/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/TGPSKI/leather

Made for: Claude Code, Codex.

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 release-prep

README.md
[![agentmods](https://agentmods.dev/badge/skills/tgpski/leather/release-prep/github.svg)](https://agentmods.dev/skills/tgpski/leather/release-prep)
Your own site
<a href="https://agentmods.dev/skills/tgpski/leather/release-prep"><img src="https://agentmods.dev/badge/skills/tgpski/leather/release-prep/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for release-prep

Your own site · 80×15
<a href="https://agentmods.dev/skills/tgpski/leather/release-prep"><img src="https://agentmods.dev/badge/skills/tgpski/leather/release-prep.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 75 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,726 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin unknown 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 $0.00075 $0.01726
Opus 5.5 $0.00030 $0.00690
Sonnet 5.5 $0.00015 $0.00345
Haiku 4.5 $0.00007 $0.00173

Measured 2mo ago against content hash 28c78d45ff9f, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

release-prep 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 2mo 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/skills/release-prep/SKILL.md · 182 lines

The source is not reproduced here

Licensed GPL-3.0

The repository is licensed GPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

Files

What ships with it

1 file 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. 2mo ago Changed · +34 lines · +11 tokens per session 28c78d45ff9f
  2. 2mo ago First seen · 148 lines · 64 tokens per session scan A 92ec9bbeac5e

Subscribe to this mod's changes

release-prep is a skill published in the GitHub repository TGPSKI/leather (17 stars, last pushed 15d ago), licensed GPL-3.0. It adds 75 tokens to every session and 1,726 once invoked, about $0.0003 per session on Opus 5.5. 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.

Related

release-prep compared with skills from other repositories

release-prep next to 6 skills from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
release-prepTGPSKI/leatherSkill1715d agoGPL-3.0A75Claude Code, Codex
githubAtomicBot-ai/atomic-agentSkill3.4k8d agoMITA48Claude Code, Codex
shipgriffinwork40/agent-afkSkill62yesterdayApache-2.0A93Claude Code
afk-releasegriffinwork40/agent-afkSkill62yesterdayApache-2.0A156Claude Code
aiox-devopsSynkraAI/aiox-coreSkill3.1kyesterdaynoneA51Claude Code
aiox-devopsSynkraAI/aiox-coreSkill3.1kyesterdaynoneA41Codex
hatch3r-releasehatch3r/hatch3rSkill261mo agoMITA37Claude Code