fix

fix is a skill for Claude Code from swt-labs/vibe-better-with-claude-code-vbw. It costs 31 tokens per session (416 once invoked), scanned A, original, MIT.

A quick-change command for VBW that investigates a small problem, makes the smallest suitable code edit, and reruns available checks. It is intended for fixes that do not need full planning.

In plain words
What is it for?
Use it for small bug fixes or maintenance changes, including running fast project tests and recording or committing the change.
Why use it?
It avoids lengthy planning for minor changes while still checking that the fix did not break proven behavior.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

Runs only inside its plugin — its command needs a path that Claude Code sets for a plugin’s own hooks and for nothing else. Install the plugin, not this.

Part of the vbw plugin — 34 skills, 7 agents, 4 hooks shipped together

Good fit Use it for small bug fixes or maintenance changes, including running fast project tests and recording or committing the change.

Compare 6 skills from other repositories ↓
Install

Getting it into your agent

This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.

Claude Code
/plugin marketplace add swt-labs/vibe-better-with-claude-code-vbw
Claude Code
/plugin install vbw

Made for: Claude Code.

Or install vbw, the plugin that ships this one along with the rest of its 34 skills, 7 agents, 4 hooks.

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 fix

README.md
[![agentmods](https://agentmods.dev/badge/skills/swt-labs/vibe-better-with-claude-code-vbw/fix/github.svg)](https://agentmods.dev/skills/swt-labs/vibe-better-with-claude-code-vbw/fix)
Your own site
<a href="https://agentmods.dev/skills/swt-labs/vibe-better-with-claude-code-vbw/fix"><img src="https://agentmods.dev/badge/skills/swt-labs/vibe-better-with-claude-code-vbw/fix/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 fix

Your own site · 80×15
<a href="https://agentmods.dev/skills/swt-labs/vibe-better-with-claude-code-vbw/fix"><img src="https://agentmods.dev/badge/skills/swt-labs/vibe-better-with-claude-code-vbw/fix.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 31 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 416 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 $0.00031 $0.00416
Opus 5.5 $0.00012 $0.00166
Sonnet 5.5 $0.00006 $0.00083
Haiku 4.5 $0.00003 $0.00042

Measured today against content hash 18395d607a2b, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

fix 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 today.

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.

plugin/skills/fix/SKILL.md · 33 lines

What it actually says

"${CLAUDE_PLUGIN_ROOT}/bin/vbw" status 2>&1 || true
"${CLAUDE_PLUGIN_ROOT}/bin/vbw" interview 2>&1 || true

Write to the user's level, explanation depth and involvement (above; "-": plain words).

The user wants a quick change: $ARGUMENTS

If that is empty, ask what to fix. If it is new user-visible behavior, say so and recommend /vbw:vibe instead, so it becomes a requirement with a check; do it as a quick fix only if they still want that.

  1. Find the cause before changing anything; say it in one or two sentences.
  2. Make the smallest change that fixes it, in the code's existing style. Do not edit check test files (vbw show contract lists them): changing one changes the approved contract.
  3. Run the project's own tests if they are quick. Commit the change yourself with a conventional message (fix(scope): ...), only the files you changed. In a VBW project, record that the user asked for it, naming each file by its path: vbw decide "Quick fix: <what>, in <file>, <file>" "the user asked for it (/vbw:fix)". QA then takes the change as the user's, not as a deviation from a plan.
  4. In a VBW project with an approved contract, run vbw prove and report: all proofs still pass, or which one this change broke (then fix it or revert).
  5. Tell the user what changed, in plain words.
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. today First seen · 33 lines · 31 tokens per session scan A 18395d607a2b

Subscribe to this mod's changes

fix is a skill published in the GitHub repository swt-labs/vibe-better-with-claude-code-vbw (85 stars, last pushed today), licensed MIT. It adds 31 tokens to every session and 416 once invoked, about $0.0001 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 2026-10-22.

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