hotfix

hotfix is a skill for Claude Code from pe-menezes/vibeflow-claude. It costs 102 tokens per session (2,536 once invoked), scanned A, a copy of hotfix, MIT.

A defect-fixing workflow that records a short evidence-based trace, writes a regression test before the fix, and then implements the correction. A regression test is a check that helps prevent the same defect from returning.

In plain words
What is it for?
It is for investigating and fixing observed defects, documenting blockers, and adding tests that verify the correction.
Why use it?
It structures bug fixes around reproducible evidence and a test, including when the issue comes from a production incident.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

Part of the vibeflow plugin — 10 skills, 1 agent shipped together

Good fit It is for investigating and fixing observed defects, documenting blockers, and adding tests that verify the correction.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/pe-menezes/vibeflow-claude/hotfix
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 pe-menezes/vibeflow-claude --skill hotfix
Clone the repo
git clone --depth 1 https://github.com/pe-menezes/vibeflow-claude

Made for: Claude Code.

Or install vibeflow, the plugin that ships this one along with the rest of its 10 skills, 1 agent.

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 hotfix

README.md
[![agentmods](https://agentmods.dev/badge/skills/pe-menezes/vibeflow-claude/hotfix/github.svg)](https://agentmods.dev/skills/pe-menezes/vibeflow-claude/hotfix)
Your own site
<a href="https://agentmods.dev/skills/pe-menezes/vibeflow-claude/hotfix"><img src="https://agentmods.dev/badge/skills/pe-menezes/vibeflow-claude/hotfix/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 hotfix

Your own site · 80×15
<a href="https://agentmods.dev/skills/pe-menezes/vibeflow-claude/hotfix"><img src="https://agentmods.dev/badge/skills/pe-menezes/vibeflow-claude/hotfix.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 102 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,536 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 94% copy Near-identical to another mod 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 $0.00102 $0.02536
Opus 5 $0.00051 $0.01268
Sonnet 5 $0.00020 $0.00507
Haiku 4.5 $0.00010 $0.00254

Measured 3d ago against content hash 8a81cb2effa9, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

hotfix 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 3d 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.

Origin

This is a copy

94% identical to hotfix — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

skills/hotfix/SKILL.md · 225 lines

How it starts

The opening of the file, as written. The whole thing — 225 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Description and examples

What it does: In one call, produces a short trace doc in .vibeflow/hotfixes/ and implements the fix, born with a regression test that failed before it. Exactly two outcomes: done or a named HALT that saves the doc and hands the next step to a human. Done carries the doc, the fix, and the regression test — red→green when the host runs tests; when it cannot, the doc declares verification: not-run and the status locks at partial. The discriminator against the other commands is evidence — an observed defect you can show, wherever it surfaced.

Examples:

  • hotfix — after a bug was investigated in this conversation; inherits symptom and hypothesis from the session (origin: session).
  • hotfix login returns 500 for emails with "+"; stack trace below — symptom + evidence in the prompt, headless/CI included (origin: prompt).
  • hotfix harness caught: audit stamps PASS on an empty diff — log attached — evidence produced by someone else: a review finding, a harness failure, a user report (origin: third-party).
  • hotfix .vibeflow/hotfixes/2026-08-16-saldo-zero.md — resume a halted doc from where it stopped (origin: resumed).

Language

Detect the language of the user's current request or conversation. Write ALL output in that same language. Technical terms in English are acceptable regardless of the detected language. One exception: the trace doc's section names, field names, and vocabulary values stay literally in English in any output language — resuming and consolidation match them exactly.

Fix the observed defect described in the user's current request.

The one-call contract

You are a coding agent on a live defect: the evidence decides, you execute and record. One invocation, exactly two structured outcomes — done or a named HALT. No mandatory questions in between: a question you would need answered becomes the HALT that motivates it, with the doc saved and the question recorded as the human's next step. Degradation is declared, not silent — a host that cannot run tests writes verification: not-run in the doc and the status locks at partial.

Read the full file on GitHub · 225 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. 3d ago Changed · -1 lines 8a81cb2effa9
  2. 10d ago First seen · 226 lines · 102 tokens per session scan A 0b32f0262b45

Subscribe to this mod's changes

hotfix is a skill published in the GitHub repository pe-menezes/vibeflow-claude (2 stars, last pushed 4d ago), licensed MIT. It adds 102 tokens to every session and 2,536 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 0 findings. It is 94% identical to hotfix, differing in 0 lines, and is treated as a copy.

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