openspec-ff-change

openspec-ff-change is a skill for Codex from AlekseiSeleznev/intent-driven-codex. It costs 34 tokens per session (2,049 once invoked), scanned A, original, no licence file.

A shortcut for creating all the OpenSpec documents needed before implementing a change. OpenSpec is a format for describing proposed software changes.

In plain words
What is it for?
It is for preparing a complete set of OpenSpec change documents before coding begins.
Why use it?
It removes the need to create each planning document one at a time when the user wants to move quickly.

Skill for Codex

Written for Codex: installed under .codex/.

Good fit It is for preparing a complete set of OpenSpec change documents before coding begins.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/alekseiseleznev/intent-driven-codex/openspec-ff-change
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 AlekseiSeleznev/intent-driven-codex --skill openspec-ff-change
Clone the repo
git clone --depth 1 https://github.com/AlekseiSeleznev/intent-driven-codex

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 openspec-ff-change

README.md
[![agentmods](https://agentmods.dev/badge/skills/alekseiseleznev/intent-driven-codex/openspec-ff-change.svg)](https://agentmods.dev/skills/alekseiseleznev/intent-driven-codex/openspec-ff-change)
Your own site
<a href="https://agentmods.dev/skills/alekseiseleznev/intent-driven-codex/openspec-ff-change"><img src="https://agentmods.dev/badge/skills/alekseiseleznev/intent-driven-codex/openspec-ff-change.svg" alt="Measured on agentmods" height="20"></a>
Per session 34 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,049 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 $0.00034 $0.02049
Opus 5 $0.00017 $0.01025
Sonnet 5 $0.00007 $0.00410
Haiku 4.5 $0.00003 $0.00205

Measured 7d ago against content hash 0df8971d0acd, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

openspec-ff-change 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 7d 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/openspec-ff-change/SKILL.md · 126 lines

The source is not reproduced here

A licence we could not identify

The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.

Read it on GitHub

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. 7d ago First seen · 126 lines · 34 tokens per session scan A 0df8971d0acd

Subscribe to this mod's changes

openspec-ff-change is a skill published in the GitHub repository AlekseiSeleznev/intent-driven-codex (5 stars, last pushed 3mo ago), with no licence file. It adds 34 tokens to every session and 2,049 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 2026-08-31.

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