pre-release-check

pre-release-check is a skill for Claude Code from willdady/platypus. It costs 51 tokens per session (2,706 once invoked), scanned A, original, MIT.

A final checklist and decision process for deciding whether a software release is ready to ship. It checks tests, the release pull request, changes that continuous integration may miss, roadmap and architecture decisions, and produces a ship-or-hold verdict.

In plain words
What is it for?
Use it to verify a clean main branch, reconcile release notes and version changes, inspect Conventional Commit subjects, review CI blind spots, and decide whether to release.
Why use it?
It catches release problems before merging triggers tagging, publishing, and a GitHub release, when correcting the mistake may require a follow-up change.

Skill for Claude Code

Written for Claude Code: disable-model-invocation in frontmatter. Also seen: mentions CLAUDE.md; installed under .agents/ (shared by several agents).

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/willdady/platypus/pre-release-check
Any agent
npx skills add willdady/platypus --skill pre-release-check
Clone the repo
git clone --depth 1 https://github.com/willdady/platypus

Made for: Claude Code.

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 pre-release-check

README.md
[![agentmods](https://agentmods.dev/badge/skills/willdady/platypus/pre-release-check.svg)](https://agentmods.dev/skills/willdady/platypus/pre-release-check)
Your own site
<a href="https://agentmods.dev/skills/willdady/platypus/pre-release-check"><img src="https://agentmods.dev/badge/skills/willdady/platypus/pre-release-check.svg" alt="Measured on agentmods" height="20"></a>
Per session 51 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,706 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 5.1 $0.00051 $0.02706
Opus 5 $0.00026 $0.01353
Sonnet 5 $0.00010 $0.00541
Haiku 4.5 $0.00005 $0.00271

Measured 4d ago against content hash cbdf44f36d58, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

pre-release-check 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 4d 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/pre-release-check/SKILL.md · 216 lines

How it starts

The opening of the file, as written. The whole thing — 216 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Pre-release check

This is the last thing that runs before a release is cut. Nothing downstream catches what you miss here.

Releases are cut by release-please: a bot PR titled chore(main): release <version> sits open against main, and the release happens the moment it merges — tagging, publishing images, and cutting a GitHub release. There is no undo.

Three mechanics shape the whole check:

  • The changelog is built only from Conventional Commit subjects on main.
  • main squash-merges with the PR title as the commit subject. A PR titled without a feat/fix/chore prefix lands a commit that contributes nothing to the changelog and nothing to the version bump — a feature ships silently inside a patch release.
  • main is protected against force-pushes, so a subject that landed wrong cannot be rewritten. It can only be corrected by a follow-up commit.

You end on a verdict: ship or hold. A hedge is a hold. Everything below feeds that one call, so run every step — a skipped step is an unknown, and an unknown holds.

Step 1 — Go green

Confirm the ground first: on main, synced with origin/main, working tree clean.

git fetch --tags && git fetch origin main
git status --short && git log --oneline origin/main..HEAD

Lint, typecheck and tests are not re-run here. CI runs them on every push to main, so the tip has already been through them — but "CI runs on main" is only a guarantee if you look at the result. Read it:

git rev-parse origin/main
gh run list --branch main --workflow ci.yml --limit 1 \
  --json headSha,status,conclusion,url --jq '.[0]'

The run's headSha must equal origin/main and its conclusion must be success. Three ways that goes wrong, all holds:

  • The newest run is for an older commit. The tip is unverified — most likely it arrived by a push that bypassed the pull request, which is how a security fix lands off a private advisory. Wait for its run, or trigger one.
  • No run at all, or one still in progress. Wait for it. An absent result is not a passing one.
  • A failing run. Stop here.

Read the full file on GitHub · 216 lines

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. 4d ago First seen · 216 lines · 51 tokens per session scan A cbdf44f36d58

Subscribe to this mod's changes

pre-release-check is a skill published in the GitHub repository willdady/platypus (72 stars, last pushed yesterday), licensed MIT. It adds 51 tokens to every session and 2,706 once invoked, about $0.0003 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 2026-09-01.

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