antivibe

antivibe is a skill for Claude Code from mohi-devhub/antivibe. It costs 50 tokens per session (2,094 once invoked), scanned A, original, MIT.

A code-learning and audit framework that explains what code does, why it was designed that way, when its patterns fit, and what alternatives exist. It saves these explanations as Markdown files in a deep-dive folder.

In plain words
What is it for?
Use it to study a whole codebase or selected files, produce a compact or full explanation, and review architecture and design decisions.
Why use it?
It helps developers understand unfamiliar, legacy, or AI-generated code instead of accepting it without knowing its behavior or trade-offs.

Skill for Claude Code

Written for Claude Code: SubagentStop hook event.

Good fit Use it to study a whole codebase or selected files, produce a compact or full explanation, and review architecture and design decisions.

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Install with agentmods
npx agentmods add skills/mohi-devhub/antivibe/antivibe
About the project

AntiVibe is a Claude Code skill that explains source code as educational lessons or architectural audits, covering its behavior, design choices, usage context, and alternatives. It helps developers learn from new, legacy, or AI-generated code, and the catalogue entry contains its Claude Code skill.

mohi-devhub/antivibe · 1,129 stars · on GitHub

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 mohi-devhub/antivibe --skill antivibe
Clone the repo
git clone --depth 1 https://github.com/mohi-devhub/antivibe

Made for: Claude Code.

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 antivibe

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

Your own site · 80×15
<a href="https://agentmods.dev/skills/mohi-devhub/antivibe/antivibe"><img src="https://agentmods.dev/badge/skills/mohi-devhub/antivibe/antivibe.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 50 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,094 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 $0.00050 $0.02094
Opus 5.5 $0.00020 $0.00838
Sonnet 5.5 $0.00010 $0.00419
Haiku 4.5 $0.00005 $0.00209

Measured 1mo ago against content hash 50868ef6a3c5, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

antivibe 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 1mo ago.

The scan reads SKILL.md. This mod also ships 4 executable files (scripts/analyze-code.sh, scripts/capture-phase.sh, scripts/find-resources.sh, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

SKILL.md · 206 lines

How it starts

The opening of the file, as written. The whole thing — 206 lines — stays where its author put it; the contents beside it link to each section on GitHub.

AntiVibe - Code Learning & Audit Framework

Purpose

AntiVibe generates learning-focused explanations or architectural audits of any code — AI-generated, legacy, or otherwise. It helps developers understand:

  • What the code does (functionality)
  • Why it was written this way (design decisions)
  • When to use these patterns (context)
  • What alternatives exist (broader knowledge)

Works on any codebase — you don't need recent git history or AI-authored files.

When to Use

Use AntiVibe when:

  1. Manual invocation: User types /antivibe or "deep dive"
  2. Post-task learning: After a feature/phase completes, user wants to learn from it
  3. Legacy codebases: User wants to understand existing code they didn't write
  4. Proactive: User says "explain what AI wrote", "walk me through", "audit this", or points at a file/directory

What AntiVibe Produces

Output saved to deep-dive/ folder as markdown:

deep-dive/
├── auth-system-2026-01-15.md
├── api-layer-2026-01-15.md
└── database-models-2026-01-15.md

The exact sections depend on the output mode (see Output Mode):

Section compact (default) full
Overview — what the code does and why it exists ✅ ✅
Key Components / Concepts — design patterns, algorithms, CS concepts used ✅ ✅
Code Walkthrough — file-by-file, line-by-line notes — ✅
Learning Resources — curated docs, tutorials, videos — ✅
Related Code — links to other files in the codebase — ✅

Configuration

Known Concepts (Skip List)

Concepts listed here will not be explained in full — the explainer will only note that they were used and in what context. Edit this list to match your current knowledge.

known_concepts:
  - async/await
  - React hooks
  - REST APIs

Output Mode

Controls how much detail is generated per run. Default is compact to keep token costs low.

output_mode: compact

Read the full file on GitHub · 206 lines

Files

What ships with it

5 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. 1mo ago First seen · 206 lines · 50 tokens per session scan A 50868ef6a3c5

Subscribe to this mod's changes

antivibe is a skill published in the GitHub repository mohi-devhub/antivibe (1,129 stars, last pushed 2mo ago), licensed MIT. It adds 50 tokens to every session and 2,094 once invoked, about $0.0002 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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