A bug-fixing method for the CS BRASIL / CORO SOLTO game codebase. It measures the expected behavior before changing code, tests whether the check can catch a deliberate mistake, and challenges the most obvious explanation.

Use it to investigate reported bugs, define a check for the expected behavior, test that the check detects failures, and reject weak explanations before making a change.

It reduces guesswork when something is broken or wrong. The check comes before the fix, so a change is judged against a clear expectation.

How corosolto/client configures Claude Code

Reuse

Borrowing it

Nothing to install: this file belongs to corosolto/client. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file

curl -O https://raw.githubusercontent.com/corosolto/client/main/.claude/skills/bug-hunt/SKILL.md

Clone the repo

git clone --depth 1 https://github.com/corosolto/client

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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/corosolto/client/bug-hunt/github.svg)](https://agentmods.dev/skills/corosolto/client/bug-hunt)

Your own site

<a href="https://agentmods.dev/skills/corosolto/client/bug-hunt"><img src="https://agentmods.dev/badge/skills/corosolto/client/bug-hunt/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.

Your own site · 80×15

<a href="https://agentmods.dev/skills/corosolto/client/bug-hunt"><img src="https://agentmods.dev/badge/skills/corosolto/client/bug-hunt.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 234 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 6,741 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.

Model	Per session	Once invoked
Fable 5.1	$0.00234	$0.06741
Opus 5.5	$0.00094	$0.02696
Sonnet 5.5	$0.00047	$0.01348
Haiku 4.5	$0.00023	$0.00674

Measured 1mo ago against content hash a5d7ea29fde1, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

bug-hunt 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.

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.

.claude/skills/bug-hunt/SKILL.md · 377 lines

The source is not reproduced here

Licensed AGPL-3.0

The repository is licensed AGPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

Files

What ships with it

2 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.

1mo ago Changed a5d7ea29fde1
2mo ago First seen · 377 lines · 234 tokens per session scan A d0b65accc2b0

Subscribe to this mod's changes

bug-hunt is a skill published in the GitHub repository corosolto/client (263 stars, last pushed today), licensed AGPL-3.0. It adds 234 tokens to every session and 6,741 once invoked, about $0.0009 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.

Debugging Testing ai-generated brasil browser-game fps game javascript

bug-hunt next to 6 skills from other repositories
Mod	Type	Stars	Last push	Licence	Scan	Tokens	Works with
bug-huntcorosolto/client	Skill	263	today	AGPL-3.0	A	234	Claude Code
migrate-oxlintoxc-project/oxc	Skill	23k	today	MIT	A	44	Claude Code, Codex
debug-taskmoonrepo/moon	Skill	4.2k	yesterday	MIT	A	203	Claude Code
investigatevercel/eve	Skill	5.8k	today	Apache-2.0	A	25	Claude Code, Codex
ax-cpp-agent-observabilityax-llm/ax	Skill	3.0k	3d ago	Apache-2.0	A	44	Claude Code, Codex
ax-go-agent-observabilityax-llm/ax	Skill	3.0k	3d ago	Apache-2.0	A	50	Claude Code, Codex
ax-java-agent-observabilityax-llm/ax	Skill	3.0k	3d ago	Apache-2.0	A	45	Claude Code, Codex

client: Skill for Claude Code