Borrowing it
Nothing to install: this file belongs to KirSsuRyu/venom. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/KirSsuRyu/venom/main/.claude/skills/mistake-recorder/SKILL.mdgit clone --depth 1 https://github.com/KirSsuRyu/venomWrote 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.
[](https://agentmods.dev/skills/kirssuryu/venom/mistake-recorder)<a href="https://agentmods.dev/skills/kirssuryu/venom/mistake-recorder"><img src="https://agentmods.dev/badge/skills/kirssuryu/venom/mistake-recorder/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.
<a href="https://agentmods.dev/skills/kirssuryu/venom/mistake-recorder"><img src="https://agentmods.dev/badge/skills/kirssuryu/venom/mistake-recorder.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00079 | $0.00780 |
| Opus 5 | $0.00039 | $0.00390 |
| Sonnet 5 | $0.00016 | $0.00156 |
| Haiku 4.5 | $0.00008 | $0.00078 |
Grade A, and why
mistake-recorder 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 10d 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.
What it actually says
실수 기록 스킬
이 스킬은 이 하네스의 핵심 메커니즘이다. 같은 실수를 두 번 하지 않는 유일한 방법은 적어 두는 것이다.
언제 트리거하나
- 테스트가 가정 때문에 실패했을 때
- 사용자가 "그게 아니야", "그렇게 하면 안 돼", "다시" 같은 교정을 했을 때
- 자기 수정을 다시 읽고 틀린 걸 발견했을 때
- 린트/타입체크/런타임이 작성한 코드를 거부했을 때
- 작업 도중 코드베이스의 비자명한 사실을 알게 됐을 때
절차
-
무엇이 일어났는지 한 줄로 요약한다.
-
분류한다.
- 실수 →
.claude/memory/mistakes.md - 항구적 교훈 →
.claude/memory/lessons.md - 아키텍처 결정 →
.claude/memory/decisions.md
- 실수 →
-
mistakes.md 항목 작성:
## YYYY-MM-DDTHH:MM:SSZ — <한 줄 제목> - 맥락: <어떤 작업 중이었는가> - 한 일: <틀린 행동> - 왜 틀렸나: <증상이 아니라 근본 원인> - 옳은 접근: <다음엔 어떻게> - 태그: #<영역> #<언어> #<도구> -
lessons.md 항목 작성 (1~5줄, 태그 포함):
- [#tag] <한 줄 사실> — <왜 중요한가, 짧게> -
decisions.md 항목 작성 (ADR 형식):
## ADR-NNNN: <제목> - 날짜: YYYY-MM-DD - 상태: 채택 - 맥락: ... - 결정: ... - 결과: ... -
Edit/Write 도구로 직접 추가한다. (PostToolUseFailure hook이 자동으로 초안을 채워주므로, 그 경우엔 교훈 줄만 채우면 된다.)
좋은 항목 vs 나쁜 항목
- ❌ 나쁨: "테스트가 깨졌다."
- ✅ 좋음: "타임존 변환을 가정해
datetime.utcnow()를 썼는데, 이 프로젝트는 모든 시각을pendulum.now('UTC')로 다루기 때문에 비교가 깨졌다. 교훈: 새 시간 객체는 항상pendulum을 사용한다."
위생
- 비밀, PII, 고객 식별 정보 금지.
- 한 파일이 ~500줄을 넘으면 진화 대기열이 가득 찼다는 신호 —
evolve스킬을 먼저 실행하여 규칙/hook/스킬로 승급한다(50-memory-protocol.md와 정합). - 동일 실수의 중복 기록은 횟수 카운터를 업데이트한다.
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.
- 10d ago First seen · 65 lines · 79 tokens per session scan A f90942738a20
mistake-recorder is a skill published in the GitHub repository KirSsuRyu/venom (5 stars, last pushed 4mo ago), licensed MIT. It adds 79 tokens to every session and 780 once invoked, about $0.0004 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.
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