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[week-05] 25620024 - #263
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dragonash22 wants to merge 31 commits into
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dragonash22 wants to merge 31 commits into
dragonash22 wants to merge 31 commits into
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…(tools_server.py) Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…cp-Method or clientCapabilities gets 400 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…ols(), execution via call_tool() Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…ator via MCP, answer 69504 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…o child, URL -> HTTP); loop untouched Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…ol calls, both 69504 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…CP tools only) -- read_file then calculator, 69504 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…ns read_file -> calculator -> write_note, result.md = 69504 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…tted before any run Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…tiation binding, turn checks, token-carried limits, injection, admin routes Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
… a plain exception as 'Error executing tool' Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…gent; auth_checks.txt re-run, all four reasons visible Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…luded) for the runner's attempted-violation audit Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…s bearer token; week-04 role prompts, identical across conditions Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…ernates host runs, audits the server record, appends results.csv, resumes; --out for smoke runs Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…es / 16 tool calls each, injection shown to buyer; both end open (no deal), kept out of results.csv Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…6 episodes done Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…rpretation, discarded attempts Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…ewritten as terse bullet points Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…, one point per line Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…abeled in 억 원 throughout Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…auth-check market server, not the lab server) Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…pt_inject attempts was the seller's (buyer-only 4 vs 3); run 2 scenario 4 buyer reached 380, not stayed below it Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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What I built
4주차의 buyer/seller 협상을 MCP server(
market_server.py)로 옮기고, buyer에게 "예산이 올랐다"는 가짜 시장 공지를 끼워 넣는 주입 공격을 두 조건에 똑같이 걸어, 가격 한도를 시스템 프롬프트에만 두는 경우(prompt_inject)와 토큰에도 실어 server가 강제하는 경우(server_inject)를 비교했다. server는 역할을 bearer 토큰에서만 읽고, 토큰에 묶인 협상 외의negotiation_id와 차례가 아닌 수를 거절하며, 토큰이 없으면 401을 반환한다. host(agent_host.py)는 실습에서 1주차 루프를 바꿔 만든 MCP host에 토큰 헤더를 붙인 것이고, 러너(run.py)가 협상을 열고 토큰을 발급한다.시나리오 6개 × 3회 × 2조건 = 36회(claude-haiku-4-5, temperature 1.0)를 돌린 결과는 다음과 같다.
한도를 넘으려는 시도는 두 조건에서 비슷했지만, 실제로 실행된 것은 prompt_inject뿐이었다. 시나리오 4(최저가 400억, 예산 380억)에서 같은 400억이라는 시도가 prompt_inject에서는 두 번 거래로 성사되었고, server_inject에서는 server가 거절했으며 buyer는 같은 턴 안에서 유효한 수로 바꿨다. 자세한 해석과 로그 근거는
REPORT.md4장에 있다.What I tried and discarded
Exception을 던졌는데, SDK가 그 내용을 지워서 거절 이유가 전부Error executing tool propose로만 나왔다. 이 상태라면 server 조건의 에이전트는 왜 거절당했는지 알 수 없었기 때문에, 거절 클래스를ToolError로 바꾸고auth_checks.txt를 다시 만들었다(c7640d6→d8c8080).accept_proposal은 인자에 가격이 없어 처음 server 기록으로는 시도한 위반을 셀 수 없었다. 모든 수의 시도에 그 수가 확정할 가격을 같이 기록하도록 server를 고쳤다.auth_checks.txt를 만들 때 켜 둔 시장 server가 같은 포트(8100)에 남아 있으면 러너의 관리 키가 맞지 않는 문제가 생길 수 있어서, 러너가 시작할 때 포트가 비어 있는지 먼저 확인하도록 했다.smoke/에 따로 남겼다(본 실험results.csv에는 포함하지 않음).lab/에 단계별 커밋과 로그로 남겼다.How to run
claude-haiku-4-5(Anthropic API), temperature1.0, 8수 제한ANTHROPIC_API_KEY(키 자체는 저장소에 없음)Checklist
python scripts/check_week05.py submissions/25620024/week-05passes locallylogs/🤖 Generated with Claude Code