fable-release

fable-release is a skill for Claude Code, Codex from imMamdouhaboammar/get-fable. It costs 113 tokens per session (1,918 once invoked), scanned A, original, MIT.

A release-readiness checker for repositories and the files they distribute, such as npm or PyPI packages. It ties the intended version, commit, tag, build output, workflow, and registry evidence together.

In plain words
What is it for?
Use it before merging or publishing to check release gates, tags, artifacts, and whether a distribution channel serves the intended version.
Why use it?
Passing source tests does not prove that the published package contains the right files, points to the right commit, or works in a clean environment.

Skill for Claude CodeCodex

Written for Claude Code and Codex: shipped in a Claude Code plugin, but also agents/openai.yaml present.

Part of the get-fable plugin — 78 skills, 1 agent, 5 hooks shipped together

Good fit Use it before merging or publishing to check release gates, tags, artifacts, and whether a distribution channel serves the intended version.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/immamdouhaboammar/get-fable/fable-release
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.

Any agent
npx skills add imMamdouhaboammar/get-fable --skill fable-release
Clone the repo
git clone --depth 1 https://github.com/imMamdouhaboammar/get-fable

Made for: Claude Code, Codex.

Or install get-fable, the plugin that ships this one along with the rest of its 78 skills, 1 agent, 5 hooks.

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 fable-release

README.md
[![agentmods](https://agentmods.dev/badge/skills/immamdouhaboammar/get-fable/fable-release/github.svg)](https://agentmods.dev/skills/immamdouhaboammar/get-fable/fable-release)
Your own site
<a href="https://agentmods.dev/skills/immamdouhaboammar/get-fable/fable-release"><img src="https://agentmods.dev/badge/skills/immamdouhaboammar/get-fable/fable-release/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 fable-release

Your own site · 80×15
<a href="https://agentmods.dev/skills/immamdouhaboammar/get-fable/fable-release"><img src="https://agentmods.dev/badge/skills/immamdouhaboammar/get-fable/fable-release.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 113 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,918 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 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 $0.00113 $0.01918
Opus 5 $0.00056 $0.00959
Sonnet 5 $0.00023 $0.00384
Haiku 4.5 $0.00011 $0.00192

Measured 5d ago against content hash 35a027d67538, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

fable-release 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 5d 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.

skills/fable-release/SKILL.md · 225 lines

How it starts

The opening of the file, as written. The whole thing — 225 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Fable Release

Prove that the exact commit and artifact users will receive are ready to ship, then distinguish readiness from actual distribution.

Mission

A release is an external state transition. Source tests can be perfect while the package omits files, the tag points at another commit, the registry still serves an old version, or a published artifact cannot start in a clean environment.

This Skill closes that gap by tying release claims to exact version, commit, artifact, workflow, tag, and registry evidence.

Activate When

  • preparing a branch for merge or a version for release;
  • creating/pushing a version tag;
  • publishing npm/package/plugin artifacts;
  • finalizing a GitHub Release;
  • verifying that a distribution channel actually serves the intended version;
  • assessing whether release evidence is current after last-minute changes.

Do Not Activate When

  • implementation is still changing (fable-execute/fable-tdd);
  • functional verification is incomplete (fable-verify);
  • blocking review/security findings remain;
  • the user has not authorized an irreversible publish action. Readiness checks may run; publishing itself requires the applicable authorization.

Release Classification

Release type Extra concerns
Merge only branch/base freshness, required CI, review
Package registry package contents, clean install, registry verification
Git tag/GitHub Release tag→SHA binding, notes/assets, draft/prerelease state
Plugin/marketplace manifest/version parity, submission/approval state
Migration-bearing release rollout order, backward compatibility, rollback
Security-sensitive release advisory/secrets/dependency gates, disclosure constraints

Protocol

Stage 1 — Freeze the candidate

Identify the exact candidate:

  • version;
  • commit SHA;
  • target branch/tag;
  • distribution channels;
  • required CI/review/security evidence.

Any source/config/package mutation after this point invalidates relevant release evidence and creates a new candidate.

Read the full file on GitHub · 225 lines

Files

What ships with it

7 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. 5d ago First seen · 225 lines · 113 tokens per session scan A 35a027d67538

Subscribe to this mod's changes

fable-release is a skill published in the GitHub repository imMamdouhaboammar/get-fable (4 stars, last pushed today), licensed MIT. It adds 113 tokens to every session and 1,918 once invoked, about $0.0006 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 2026-09-05.

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