untether: Skill for Codex

.codex/skills/untether-release/SKILL.md

untether-release is a skill for Codex from littlebearapps/untether. It costs 63 tokens per session (684 once invoked), scanned A, original, MIT.

A command for preparing and shipping a versioned Untether release. It updates the changelog and matching version files, then follows the project's GitHub Actions release process.

In plain words
What is it for?
Use it when cutting a release, bumping the version, updating release documentation, creating a version tag, or starting the GitHub release workflow.
Why use it?
It reduces mismatches between the release tag, package version, source version, lockfile, and release notes that can stop automated publishing.

Skill for Codex

Written for Codex: installed under .codex/. Also seen: mentions CLAUDE.md.

This is littlebearapps/untether's own configuration. It tells Codex how to work on untether 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 untether configures →

Reuse

Borrowing it

Nothing to install: this file belongs to littlebearapps/untether. 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/littlebearapps/untether/master/.codex/skills/untether-release/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/littlebearapps/untether

Made for: 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 untether-release

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

Your own site · 80×15
<a href="https://agentmods.dev/skills/littlebearapps/untether/untether-release"><img src="https://agentmods.dev/badge/skills/littlebearapps/untether/untether-release.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 63 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 684 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. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 $0.00063 $0.00684
Opus 5.5 $0.00025 $0.00274
Sonnet 5.5 $0.00013 $0.00137
Haiku 4.5 $0.00006 $0.00068

Measured 18d ago against content hash 127b42faee25, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

untether-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 18d 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.

.codex/skills/untether-release/SKILL.md · 63 lines

How it starts

The opening of the file, as written. The whole thing — 63 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Untether Release

Overview

Untether ships from one repo: feature branches → PR → dev (CI publishes rc versions to TestPyPI) → PR dev→master (Nathan merges → auto-tag-on-master.yml creates vX.Y.Z → release.yml publishes to PyPI). release.yml checks that the tag matches pyproject.toml; src/untether/__init__.py reads __version__ from the installed package metadata, so there is nothing to bump there.

Agents MUST NOT push to master, merge PRs that target master, create v* tags, or run gh release. Full rules: CLAUDE.md → "Release guard" and .claude/rules/release-discipline.md.

Workflow

1) Choose version + date

  • rc: X.Y.ZrcN on dev (commit chore: staging X.Y.ZrcN). rc versions get no CHANGELOG section of their own and are never tagged.
  • stable: X.Y.Z with a release date (YYYY-MM-DD).

2) Update changelog (stable)

Add a top section to CHANGELOG.md: ## vX.Y.Z (YYYY-MM-DD), with subsections from fixes, changes, breaking, docs, tests. Every entry links its issue: [#N](https://github.com/littlebearapps/untether/issues/N). Put user-facing changes first.

3) Bump versions

  • pyproject.toml: project.version = "<version>"
  • uv.lock: run uv lock so the root package version matches.

4) Update spec + docs

  • docs/reference/specification.md header: # Untether Specification vX.Y.Z [YYYY-MM-DD] ([unreleased] while the version is still in rc).
  • README.md / docs/faq/faq.md if the release changes a user-facing surface (see .claude/rules/help-faq.md).

5) Run checks

  • just check (ruff format check, ruff, ty, pytest)
  • uv lock --check
  • python3 scripts/validate_release.py

6) Integration tests + attestation

Run the tiers required by docs/reference/integration-testing.md against @untether_dev_bot, then scripts/run-integration-tests.sh <version> --manual to write the attestation marker that scripts/fleet-rollout.sh requires.

7) Hand off

Open the PR to dev (rc) or the dev→master PR (stable) and stop. Tagging, PyPI publishing and the GitHub Release happen automatically after Nathan merges.

Read the full file on GitHub · 63 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. 18d ago Changed · -5 lines · +16 tokens per session 127b42faee25
  2. 1mo ago First seen · 68 lines · 47 tokens per session scan A ab6e5a1586a5

Subscribe to this mod's changes

untether-release is a skill published in the GitHub repository littlebearapps/untether (74 stars, last pushed today), licensed MIT. It adds 63 tokens to every session and 684 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.

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