vibe-change-spec

vibe-change-spec is a skill for Claude Code, Codex from aakashdhar/vibe-skill. It costs 139 tokens per session (3,360 once invoked), scanned A, original, no licence file.

A workflow for changing a project's requirements during a build. It covers adding, removing, reverting, or revising work after the original scope was set.

In plain words
What is it for?
Use it when requirements change, when a new request appears during development, or when part of the agreed scope must be removed or reverted.
Why use it?
It helps record and handle changing decisions without losing track of what the project is now supposed to do.

Skill for Claude CodeCodex

Which agent this was written for is unclear — body not stored (licence); the path alone says nothing.

Good fit Use it when requirements change, when a new request appears during development, or when part of the agreed scope must be removed or reverted.

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Install with agentmods
npx agentmods add skills/aakashdhar/vibe-skill/vibe-change-spec
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 aakashdhar/vibe-skill --skill vibe-change-spec
Clone the repo
git clone --depth 1 https://github.com/aakashdhar/vibe-skill

Made for: Claude Code, 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 vibe-change-spec

README.md
[![agentmods](https://agentmods.dev/badge/skills/aakashdhar/vibe-skill/vibe-change-spec/github.svg)](https://agentmods.dev/skills/aakashdhar/vibe-skill/vibe-change-spec)
Your own site
<a href="https://agentmods.dev/skills/aakashdhar/vibe-skill/vibe-change-spec"><img src="https://agentmods.dev/badge/skills/aakashdhar/vibe-skill/vibe-change-spec/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 vibe-change-spec

Your own site · 80×15
<a href="https://agentmods.dev/skills/aakashdhar/vibe-skill/vibe-change-spec"><img src="https://agentmods.dev/badge/skills/aakashdhar/vibe-skill/vibe-change-spec.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 139 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,360 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 $0.00139 $0.03360
Opus 5 $0.00069 $0.01680
Sonnet 5 $0.00028 $0.00672
Haiku 4.5 $0.00014 $0.00336

Measured yesterday against content hash a9d83f57dcd6, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

vibe-change-spec 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.

vibe-change-spec/SKILL.md · 400 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

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. yesterday Changed · +1 lines a9d83f57dcd6
  2. 12d ago First seen · 399 lines · 139 tokens per session scan A 94a7aab0a662

Subscribe to this mod's changes

vibe-change-spec is a skill published in the GitHub repository aakashdhar/vibe-skill (7 stars, last pushed yesterday), with no licence file. It adds 139 tokens to every session and 3,360 once invoked, about $0.0007 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.

Related

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