ai-blueprint: Skill for Codex

.agents/skills/rollback/SKILL.md

rollback is a skill for Codex from aiblueprinthq/ai-blueprint. It costs 48 tokens per session (1,876 once invoked), scanned A, original, MIT.

A planning workflow for reversing a completed Blueprint feature. It locates the feature's archived specification and exact combined Git commit, reviews later changes for dependencies, and writes a guarded rollback specification.

In plain words
What is it for?
Use it to plan the reversal of a completed feature by its build-plan number, name, or archive path; another implementation step applies the approved reversal.
Why use it?
It helps identify what must be undone and what later work could depend on it before any product code is changed. The workflow stops after preparing the plan for review.

Skill for Codex

Written for Codex: agents/openai.yaml present. Also seen: mentions CLAUDE.md; installed under .agents/ (shared by several agents); mentions AGENTS.md.

This is aiblueprinthq/ai-blueprint's own configuration. It tells Codex how to work on ai-blueprint 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 ai-blueprint configures →

Reuse

Borrowing it

Nothing to install: this file belongs to aiblueprinthq/ai-blueprint. 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/aiblueprinthq/ai-blueprint/main/.agents/skills/rollback/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/aiblueprinthq/ai-blueprint

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 rollback

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

Your own site · 80×15
<a href="https://agentmods.dev/skills/aiblueprinthq/ai-blueprint/rollback"><img src="https://agentmods.dev/badge/skills/aiblueprinthq/ai-blueprint/rollback.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 48 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,876 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 warn 7 Sept 2026
SkillSpector: 1 finding, up to high

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • high Tool Misuse · line 166
    Tool parameters are crafted to achieve unintended or unsafe behavior. Parameter abuse can bypass intended safety checks (e.g. shell=True, --force, dangerous glob patterns).
    Fix: Validate all tool parameters against an allowlist. Reject dangerous parameter values (shell=True, --force, -rf /) and use safe defaults.
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 $0.00048 $0.01876
Opus 5 $0.00024 $0.00938
Sonnet 5 $0.00010 $0.00375
Haiku 4.5 $0.00005 $0.00188

Measured yesterday against content hash f73c45414ea6, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

rollback 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 yesterday.

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/rollback/SKILL.md · 188 lines

How it starts

The opening of the file, as written. The whole thing — 188 lines — stays where its author put it; the contents beside it link to each section on GitHub.

rollback - safely reverse a completed feature

Context reuse: Reuse any required file already loaded in project instructions or the current session. Read it again only if absent, changed, or exact current bytes or line references are needed.

First action: Before project inspection, preflight, or any other tool call, publish running to blueprint/.state/run.json using the dashboard activity contract in AGENTS.md.

Where this sits in the workflow:

completed feature + git history  ->  [rollback]  ->  /implement  ->  /check  ->  /complete
(archive + squashed commit)           (risk review     (reverse       (prove)     (log + merge)
                                       + spec)          product diff)

This skill plans a rollback. It does not change product code, create a branch, commit, merge, or push. It identifies the completed feature and its exact git commit, checks what changed afterward, writes a guarded rollback spec, then stops for review. /implement performs the reversal only after the user approves that spec.

Input

A completed feature by build-plan number, name, or archive path, plus an optional reason. Examples:

/rollback 4 because the new export flow is corrupting files
/rollback "PDF export"
/rollback blueprint/history/features/04-pdf-export.md

With no target, list a short set of recent completed feature archives and ask the user to choose. Never silently pick the latest feature. If the reason is missing, ask for one before writing the spec because the rollback archive must explain why the feature was removed.

Step 0 - preflight

Read AGENTS.md, blueprint/build-plan.md, blueprint/context/current-feature.md, the completed feature archives, and git state.

Stop before writing when:

  • the directory is not a git repository
  • current-feature.md already holds active work
  • the working tree is dirty, including unrelated untracked work
  • the current branch is not the local main or default branch
  • the target is not a checked build-plan feature with a matching archive
  • the archive or its introducing commit cannot be identified unambiguously

Read the full file on GitHub · 188 lines

Files

What ships with it

2 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. yesterday Changed · +13 lines f73c45414ea6
  2. 3d ago Changed · +2 lines 75703d297cba
  3. 7d ago Changed · +4 lines · -46 tokens per session 95e579ef83cb
  4. 11d ago First seen · 169 lines · 94 tokens per session scan A 9c4a19220c29

Subscribe to this mod's changes

rollback is a skill published in the GitHub repository aiblueprinthq/ai-blueprint (393 stars, last pushed 2d ago), licensed MIT. It adds 48 tokens to every session and 1,876 once invoked, about $0.0002 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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