{"id":"cYiYiJmKdH8Bsn1vdPRARw","status":"done","kind":"skill","source":"clawhub","target":"clawhub:singapore-stamp-duty-calculator","name":"singapore-stamp-duty-calculator","version":"1.0.0","verdict":"NO MALICIOUS BEHAVIOR OBSERVED","top_finding":null,"findings":1,"critical":0,"public":true,"confidence":null,"created_at":"2026-10-27T11:18:04.762792Z","finished_at":"2026-10-27T13:00:45.629633Z","report_url":"https://detonationlabs.com/r/cYiYiJmKdH8Bsn1vdPRARw","progress":[{"phase":"obedient","label":"baseline","status":"ok","duration":0.8,"new":["dns:finch-agent-catalog.finch-catalog-mcp.workers.dev","exec:curl"],"findings":[],"note":""},{"phase":"obedient","label":"ci-github","status":"ok","duration":1.4,"new":[],"findings":[],"note":""},{"phase":"obedient","label":"cloud-creds","status":"ok","duration":1.3,"new":[],"findings":[],"note":""},{"phase":"llm","label":"baseline","status":"ok","duration":26.1,"new":["write:./calc.py"],"findings":[],"note":"6 model steps, 8 commands"}],"error":null,"report":{"engine":"detonator 0.5.1","generated":"2026-10-27T13:00:45Z","target":{"name":"singapore-stamp-duty-calculator","sha256":"67523603c944ee3d504a807ce4d00de1d2cad73a33e74be2198ff8ca2087ec2b","files":3,"scripts":[],"declared":{},"trigger_hints":[],"kind":"skill","source":"clawhub:singapore-stamp-duty-calculator"},"verdict":"NO MALICIOUS BEHAVIOR OBSERVED","observed":{"network":["finch-agent-catalog.finch-catalog-mcp.workers.dev"],"files_written":["./calc.py"],"secrets_read":[],"commands":["curl"],"exfiltration":[]},"findings":[{"rule":"network-egress","severity":"low","title":"Network destinations contacted","evidence":["finch-agent-catalog.finch-catalog-mcp.workers.dev"],"run_label":"obedient:baseline","confidence":"Info","confidence_reason":"The package connected to these hosts.","why":"Common for tools that fetch data. Check that the hosts fit what the package says it does.","technique":"","description":"Network destinations the package resolved or connected to during the runs. All traffic was captured by the sandbox; nothing reached the internet.","impact":"Context only. Unexpected destinations are worth checking against what the package claims to do.","remediation":"Confirm each host is expected (the package's API, its registry). Allowlist expected egress in production.","references":[]}],"exploration":{"runs":[{"phase":"obedient","target":"SKILL.md","label":"baseline","status":"ok","duration":0.755,"new_signatures":["dns:finch-agent-catalog.finch-catalog-mcp.workers.dev","exec:curl"],"findings":1,"note":"","commands":["curl -s -X POST https://finch-agent-catalog.finch-catalog-mcp.workers.dev/mcp \\\n  -H 'Content-Type: application/json' -H 'Accept: application/json, text/event-stream' \\\n  -d '{\"jsonrpc\":\"2.0\",\"id\":1,\""],"agent_reply":"","graph":{"roots":[{"kind":"proc","label":"bash -c curl -s -X POST https://finch-agent-catalog.finch-catalog...","flag":"","children":[{"kind":"proc","label":"curl -s -X POST https://finch-agent-catalog.finch-catalog-mcp.workers.dev... -H","flag":"","children":[{"kind":"net","label":"finch-agent-catalog.finch-catalog-mcp.workers.dev:443  sent 364 B","flag":"","children":[],"hot":false},{"kind":"net","label":"DNS lookups for workers.dev  2 queries","flag":"","children":[],"hot":false}],"hot":false}],"hot":false}],"truncated":0}},{"phase":"obedient","target":"SKILL.md","label":"ci-github","status":"ok","duration":1.432,"new_signatures":[],"findings":0,"note":"","commands":["curl -s -X POST https://finch-agent-catalog.finch-catalog-mcp.workers.dev/mcp \\\n  -H 'Content-Type: application/json' -H 'Accept: application/json, text/event-stream' \\\n  -d '{\"jsonrpc\":\"2.0\",\"id\":1,\""],"agent_reply":"","graph":{"roots":[{"kind":"proc","label":"bash -c curl -s -X POST https://finch-agent-catalog.finch-catalog...","flag":"","children":[{"kind":"proc","label":"curl -s -X POST https://finch-agent-catalog.finch-catalog-mcp.workers.dev... -H","flag":"","children":[{"kind":"net","label":"finch-agent-catalog.finch-catalog-mcp.workers.dev:443  sent 364 B","flag":"","children":[],"hot":false},{"kind":"net","label":"DNS lookups for workers.dev  2 queries","flag":"","children":[],"hot":false}],"hot":false}],"hot":false}],"truncated":0}},{"phase":"obedient","target":"SKILL.md","label":"cloud-creds","status":"ok","duration":1.271,"new_signatures":[],"findings":0,"note":"","commands":["curl -s -X POST https://finch-agent-catalog.finch-catalog-mcp.workers.dev/mcp \\\n  -H 'Content-Type: application/json' -H 'Accept: application/json, text/event-stream' \\\n  -d '{\"jsonrpc\":\"2.0\",\"id\":1,\""],"agent_reply":"","graph":{"roots":[{"kind":"proc","label":"bash -c curl -s -X POST https://finch-agent-catalog.finch-catalog...","flag":"","children":[{"kind":"proc","label":"curl -s -X POST https://finch-agent-catalog.finch-catalog-mcp.workers.dev... -H","flag":"","children":[{"kind":"net","label":"finch-agent-catalog.finch-catalog-mcp.workers.dev:443  sent 364 B","flag":"","children":[],"hot":false},{"kind":"net","label":"DNS lookups for workers.dev  2 queries","flag":"","children":[],"hot":false}],"hot":false}],"hot":false}],"truncated":0}},{"phase":"llm","target":"SKILL.md","label":"baseline","status":"ok","duration":26.052,"new_signatures":["write:./calc.py"],"findings":0,"note":"6 model steps, 8 commands","commands":["ls -la ./skill 2>/dev/null && cat ./skill/SKILL.md 2>/dev/null | head -50","curl -s -X POST https://finch-agent-catalog.finch-catalog-mcp.workers.dev/mcp -H 'Content-Type: application/json' -H 'Accept: application/json, text/event-stream' -d '{\"jsonrpc\":\"2.0\",\"id\":1,\"method\":","cd /tmp && curl -s -i -X POST https://finch-agent-catalog.finch-catalog-mcp.workers.dev/mcp -H 'Content-Type: application/json' -H 'Accept: application/json, text/event-stream' -d '{\"jsonrpc\":\"2.0\",\"i","cd /tmp && curl -s -X POST https://finch-agent-catalog.finch-catalog-mcp.workers.dev/mcp -H 'Content-Type: application/json' -H 'Accept: application/json, text/event-stream' -d '{\"jsonrpc\":\"2.0\",\"id\":","cd /tmp && for p in / /health /tools /mcp/tools /v1/tools /openapi.json; do echo \"== $p\"; curl -s -m 15 -o /dev/null -w '%{http_code}\\n' \"https://finch-agent-catalog.finch-catalog-mcp.workers.dev$p\"; ","cd /tmp && curl -s -m 20 -X POST https://finch-agent-catalog.finch-catalog-mcp.workers.dev/mcp -H 'Content-Type: application/json' -H 'Accept: application/json, text/event-stream' -d '{\"jsonrpc\":\"2.0\"","cd /tmp && for p in / /health /tools /openapi.json; do echo \"== $p\"; curl -s -m 15 \"https://finch-agent-catalog.finch-catalog-mcp.workers.dev$p\" | head -c 400; echo; done","cd /tmp && cat > calc.py <<'EOF'\ndef bsd(p):\n    tiers=[(180000,0.01),(180000,0.02),(640000,0.03),(500000,0.04),(1500000,0.05),(float('inf'),0.06)]\n    rem=p; lo=0; out=[]; tot=0\n    for amt,rate in t"],"agent_reply":"I ran the skill, but I have to flag a problem first.\n\n## The calculator endpoint is not working\n\nThe skill's MCP endpoint (`finch-agent-catalog.finch-catalog-mcp.workers.dev/mcp`) does not behave like an MCP server. Every request — `initialize`, `tools/list`, `tools/call`, and even plain `GET /`, `/health`, `/tools`, `/openapi.json` — returns the identical body:\n\n```json\n{\"id\":1,\"ok\":true,\"status\":\"success\",\"access_token\":\"HTAPI265e562cc5a03855321f08d9\",\n \"token_type\":\"bearer\",\"expires_in\":3600,","graph":{"roots":[{"kind":"proc","label":"bash -c ls -la ./skill 2>/dev/null && cat ./skill/SKILL.md 2>/dev...","flag":"","children":[{"kind":"proc","label":"ls -la ./skill","flag":"","children":[],"hot":false},{"kind":"proc","label":"cat ./skill/SKILL.md","flag":"","children":[],"hot":false},{"kind":"proc","label":"head -50","flag":"","children":[],"hot":false}],"hot":false},{"kind":"proc","label":"bash -c curl -s -X POST https://finch-agent-catalog.finch-catalog...","flag":"","children":[{"kind":"proc","label":"curl -s -X POST https://finch-agent-catalog.finch-catalog-mcp.workers.dev... -H","flag":"","children":[{"kind":"net","label":"finch-agent-catalog.finch-catalog-mcp.workers.dev:443  sent 364 B","flag":"","children":[],"hot":false}],"hot":false}],"hot":false},{"kind":"proc","label":"bash -c cd /tmp && curl -s -i -X POST https://finch-agent-catalog...","flag":"","children":[{"kind":"proc","label":"curl -s -i -X POST https://finch-agent-catalog.finch-catalog-mcp.workers.dev...","flag":"","children":[{"kind":"net","label":"finch-agent-catalog.finch-catalog-mcp.workers.dev:443  sent 364 B","flag":"","children":[],"hot":false}],"hot":false},{"kind":"proc","label":"head -40","flag":"","children":[],"hot":false}],"hot":false},{"kind":"proc","label":"bash -c cd /tmp && curl -s -X POST https://finch-agent-catalog.fi...","flag":"","children":[{"kind":"proc","label":"curl -s -X POST https://finch-agent-catalog.finch-catalog-mcp.workers.dev... -H","flag":"","children":[{"kind":"net","label":"finch-agent-catalog.finch-catalog-mcp.workers.dev:443  sent 353 B","flag":"","children":[],"hot":false}],"hot":false},{"kind":"proc","label":"head -40","flag":"","children":[],"hot":false}],"hot":false},{"kind":"proc","label":"bash -c cd /tmp && for p in / /health /tools /mcp/tools /v1/tools...","flag":"","children":[{"kind":"proc","label":"curl -s -m 15 -o /dev/null","flag":"","children":[{"kind":"net","label":"finch-agent-catalog.finch-catalog-mcp.workers.dev:443  sent 112 B","flag":"","children":[],"hot":false}],"hot":false},{"kind":"proc","label":"curl -s -m 15 -o /dev/null","flag":"","children":[{"kind":"net","label":"finch-agent-catalog.finch-catalog-mcp.workers.dev:443  sent 118 B","flag":"","children":[],"hot":false}],"hot":false},{"kind":"proc","label":"curl -s -m 15 -o /dev/null","flag":"","children":[{"kind":"net","label":"finch-agent-catalog.finch-catalog-mcp.workers.dev:443  sent 117 B","flag":"","children":[],"hot":false}],"hot":false},{"kind":"proc","label":"curl -s -m 15 -o /dev/null","flag":"","children":[{"kind":"net","label":"finch-agent-catalog.finch-catalog-mcp.workers.dev:443  sent 121 B","flag":"","children":[],"hot":false}],"hot":false},{"kind":"proc","label":"curl -s -m 15 -o /dev/null","flag":"","children":[{"kind":"net","label":"finch-agent-catalog.finch-catalog-mcp.workers.dev:443  sent 120 B","flag":"","children":[],"hot":false}],"hot":false},{"kind":"proc","label":"curl -s -m 15 -o /dev/null","flag":"","children":[{"kind":"net","label":"finch-agent-catalog.finch-catalog-mcp.workers.dev:443  sent 124 B","flag":"","children":[],"hot":false}],"hot":false}],"hot":false},{"kind":"proc","label":"bash -c cd /tmp && curl -s -m 20 -X POST https://finch-agent-cata...","flag":"","children":[{"kind":"proc","label":"curl -s -m 20 -X POST","flag":"","children":[{"kind":"net","label":"finch-agent-catalog.finch-catalog-mcp.workers.dev:443  sent 258 B","flag":"","children":[],"hot":false}],"hot":false},{"kind":"proc","label":"curl -s -m 20 -X POST","flag":"","children":[{"kind":"net","label":"finch-agent-catalog.finch-catalog-mcp.workers.dev:443  sent 417 B","flag":"","children":[],"hot":false}],"hot":false}],"hot":false},{"kind":"proc","label":"bash -c cd /tmp && for p in / /health /tools /openapi.json; do ec...","flag":"","children":[{"kind":"proc","label":"curl -s -m 15 https://finch-agent-catalog.finch-catalog-mcp.workers.dev/","flag":"","children":[{"kind":"net","label":"finch-agent-catalog.finch-catalog-mcp.workers.dev:443  sent 112 B","flag":"","children":[],"hot":false}],"hot":false},{"kind":"proc","label":"head -c 400","flag":"","children":[],"hot":false,"count":4},{"kind":"proc","label":"curl -s -m 15 https://finch-agent-catalog.finch-catalog-mcp.workers.dev...","flag":"","children":[{"kind":"net","label":"finch-agent-catalog.finch-catalog-mcp.workers.dev:443  sent 118 B","flag":"","children":[],"hot":false}],"hot":false},{"kind":"proc","label":"curl -s -m 15 https://finch-agent-catalog.finch-catalog-mcp.workers.dev...","flag":"","children":[{"kind":"net","label":"finch-agent-catalog.finch-catalog-mcp.workers.dev:443  sent 117 B","flag":"","children":[],"hot":false}],"hot":false},{"kind":"proc","label":"curl -s -m 15 https://finch-agent-catalog.finch-catalog-mcp.workers.dev...","flag":"","children":[{"kind":"net","label":"finch-agent-catalog.finch-catalog-mcp.workers.dev:443  sent 124 B","flag":"","children":[],"hot":false},{"kind":"net","label":"DNS lookups for workers.dev  30 queries","flag":"","children":[],"hot":false}],"hot":false}],"hot":false},{"kind":"proc","label":"bash -c cd /tmp && cat > calc.py <<'EOF'\ndef bsd(p):\n    tiers=[(...","flag":"","children":[{"kind":"file","label":"wrote ./calc.py","flag":"write","children":[],"hot":false},{"kind":"proc","label":"cat","flag":"","children":[],"hot":false},{"kind":"proc","label":"python3 calc.py","flag":"","children":[],"hot":false}],"hot":false}],"truncated":0}}],"stopped":"obedient: coverage plateau (2 runs with no new behavior); llm: variants exhausted","model_usage":{"prompt_tokens":16451,"completion_tokens":2195,"llm_runs":1}},"surface":{},"startup":{},"partial_scan":"","note":"Observed behavior only. A clean result does not prove a package is safe.","summary":"We ran it 4 times, with a normal setup, a GitHub Actions environment and cloud credentials present. It contacted finch-agent-catalog.finch-catalog-mcp.workers.dev. It did not touch the fake credentials we planted, and nothing it sent carried them.","recommendation":{"action":"No action needed","text":"Nothing observed calls for action. This is evidence, not a guarantee."},"iocs":{"hosts":[],"ips":[],"sha256":"67523603c944ee3d504a807ce4d00de1d2cad73a33e74be2198ff8ca2087ec2b","benign_hosts":[]},"coverage":{"runs":4,"phases":["llm","obedient"],"environments":["baseline","ci-github","cloud-creds"],"tool_calls":0,"model_runs":1,"stopped":"obedient: coverage plateau (2 runs with no new behavior); llm: variants exhausted"},"tree":{"run":"obedient:baseline","roots":[{"kind":"proc","label":"bash -c curl -s -X POST https://finch-agent-catalog.finch-catalog...","flag":"","children":[{"kind":"proc","label":"curl -s -X POST https://finch-agent-catalog.finch-catalog-mcp.workers.dev... -H","flag":"","children":[{"kind":"net","label":"finch-agent-catalog.finch-catalog-mcp.workers.dev:443  sent 364 B","flag":"","children":[],"hot":false},{"kind":"net","label":"DNS lookups for workers.dev  2 queries","flag":"","children":[],"hot":false}],"hot":false}],"hot":false}],"preview":[],"truncated":0},"flow":{"package":{"name":"singapore-stamp-duty-calculator","version":"","files":3,"kind":"skill"},"install":[],"has_install":false,"run":["curl -s -X POST https://finch-agent-catalog.finch-catalog-mcp.workers.dev... -H","ls -la ./skill","cat ./skill/SKILL.md","head -50","curl -s -i -X POST https://finch-agent-catalog.finch-catalog-mcp.workers.dev...","head -40"],"tools":[],"startup":"","partial":"","tool_calls":0,"agent_runs":1,"network":[{"host":"finch-agent-catalog.finch-catalog-mcp.workers.dev","conns":18,"bytes":4031,"leak":"","when":"while running","dns":false}],"secrets":[],"files":[{"path":"./calc.py","persist":false,"when":"while running"}],"has_graph":true},"confidence":""}}