{
  "checker": {
    "claims": [
      {
        "claim": "CLI remember writes a memory with source attribution",
        "command": "<guest-path> remember 'User prefers dark theme' --source claude-code",
        "evidence": "'ok': True, 'uid': 'fact-20261025225523-410b07f7ab79', 'op': 'noop_dup'}\n",
        "expected": "write reports ok True",
        "input": "User prefers dark theme",
        "kind": "claim",
        "outcome": "Real input produced the expected result: 'ok': True",
        "returncode": 0,
        "source": "memtether remember \"User prefers dark theme\" --source claude-code",
        "source_checked": true,
        "source_file": "README.md",
        "verdict": "yes"
      },
      {
        "claim": "MCP clients can govern memory via the MCP server",
        "command": "<guest-path> -m mcp_server tools/call {\"tool\": \"search_memory\", \"arguments\": {\"query\": \"theme\", \"limit\": 5}}",
        "evidence": "User prefers dark theme\\\"\\n    }\\n  ]\\n}\"}], \"isError\": false}",
        "expected": "search_memory returns the stored dark theme memory",
        "input": "{\"tool\": \"search_memory\", \"arguments\": {\"query\": \"theme\", \"limit\": 5}}",
        "kind": "claim",
        "outcome": "Real input produced the expected result: User prefers dark theme",
        "source": "The same operations work via **MCP** \u2014 your AI agent can govern memory directly:",
        "source_checked": true,
        "source_file": "README.md",
        "verdict": "yes"
      },
      {
        "claim": "audit chain demo detects tampering",
        "command": "<guest-path> examples/audit_chain_demo.py",
        "evidence": "verify_chain: FAIL {'anchor_id': 1, 'reason': 'chain hash mismatch \u2014 audit rows edited after anchoring', 'expected': '28db4a5632bf7efca259dc68b5bab6cc9b66ac953af273bca5d2c831158063b3', 'recomputed': '9af598c2a90cb88d704ae61e534e44d8814755e9c1d7ed8f828052399989b41b'}\n\n\u2705 \u54c8\u5e0c\u94fe\u6210\u529f\u68c0\u6d4b\u5230\u7be1\u6539\uff01\u8fd9\u5c31\u662f MemTether \u7684\u6838\u5fc3\u9632\u5fa1\u80fd\u529b\u3002\n",
        "expected": "after direct edit verify_chain reports FAIL",
        "input": "demo script",
        "kind": "claim",
        "outcome": "Real input produced the expected result: verify_chain: FAIL",
        "returncode": 0,
        "source": "run `python examples/audit_chain_demo.py` to see it turn red.",
        "source_checked": true,
        "source_file": "README.md",
        "verdict": "yes"
      }
    ],
    "cycle_checks": [
      {
        "claim": "Scheduled or looping main behavior",
        "command": "",
        "evidence": "Inspected README.md, pyproject.toml entry points (memtether, memtether-connect), mcp_server.py, api_server.py and gateway.py/hubguard.py. README names no cron, scheduler, --once/--now, loop or webhook feature; the only while-True loops are a ranking loop in gateway.py and a file-lock retry loop in hubguard.py, which are not product cycles. Product runs on demand per CLI/MCP call.",
        "expected": "identify the product trigger",
        "input": "source inspection",
        "kind": "cycle",
        "outcome": "Inspected README.md, pyproject.toml entry points (memtether, memtether-connect), mcp_server.py, api_server.py and gateway.py/hubguard.py. README names no cron, scheduler, --once/--now, loop or webhook feature; the only while-True loops are a ranking loop in gateway.py and a file-lock retry loop in hubguard.py, which are not product cycles. Product runs on demand per CLI/MCP call.",
        "source": "repository entry points",
        "verdict": "yes"
      }
    ],
    "details": {
      "argv": [
        "<guest-path>",
        "-m",
        "mcp_server"
      ],
      "kind": "mcp",
      "scope": "product operation",
      "serverInfo": {
        "name": "memory-hub",
        "version": "1.0.0"
      },
      "tool_result": {
        "content": [
          {
            "text": "{\n  \"engine\": \"hybrid\",\n  \"count\": 1,\n  \"results\": [\n    {\n      \"uid\": \"fact-20261025225523-410b07f7ab79\",\n      \"type\": \"fact\",\n      \"score\": 0.158,\n      \"text\": \"User prefers dark theme\"\n    }\n  ]\n}",
            "type": "text"
          }
        ],
        "isError": false
      },
      "tool_result_checked": true,
      "tool_schema_bytes": 5662,
      "tools": [
        "add_memories",
        "search_memory",
        "list_memories",
        "correct_memory",
        "retire_memory",
        "pin_memory",
        "as_of_query",
        "timeline",
        "profile",
        "feedback"
      ],
      "working": true
    },
    "evidence_strength": "readme_checked",
    "example_checks": [
      {
        "claim": "basic remember, search, supersede and retire operations work end to end",
        "command": "<guest-path> examples/basic_usage.py",
        "deferred": false,
        "evidence": "[write] uid=fact-20261025225717-... ok=True\n[search] found 1 results\n  - User prefers dark theme and uses Vim keybindings\n[supersede] old=fact-2026102522... -> new=fact-2026102522...\n[search after supersede] found 1 results\n[retire] ok=True\n\nDone! All operations completed successfully.\n[warn] \u5411\u91cf\u68c0\u7d22\u5931\u8d25\uff08\u5c06\u964d\u7ea7\u4e3a\u7eaf\u5173\u952e\u8bcd\uff0c\u53ec\u56de\u4f1a\u660e\u663e\u53d8\u5dee\uff09: No module named 'chromadb'\n[warn] \u6b63\u786e\u89e3\u91ca\u5668: <guest-path>",
        "expected": "prints write/search/supersede/retire lines and Done",
        "input": "no arguments; uses temp DB",
        "kind": "example",
        "outcome": "command completed successfully",
        "returncode": 0,
        "source": "examples/basic_usage.py (docstring: Run: python examples/basic_usage.py)",
        "verdict": "yes"
      }
    ],
    "status": "PASS"
  },
  "deviations": [
    "Used absolute venv interpreter path <guest-path> in place of bare python/memtether on PATH; both are the venv's own tools.",
    "Semantic/vector search not set up (chromadb and onnxruntime not installed, models not downloaded); search fell back to keyword/BM25 as the README documents.",
    "CDP endpoint http://<internal-ip>:9226/json/version returned HTTP 200 (Chrome/155.0.8059.84) but no browser operation is part of this product, so it was not used.",
    "Replay of the MCP probe and CLI claims relies on the DB at <guest-path>, which is populated by the remember step; a fresh VM must run the remember claim first.",
    "The remember claim on replay reported op noop_dup (existing memory deduplicated) but still returned ok True.",
    "Ran memtether init with HOME-based detection; it skipped all 23 clients because none are installed, so no MCP configs were written.",
    "Checker path used: <guest-path> (the /inputs/coldpass-preflight.py path was not present)."
  ],
  "fault_owner": null,
  "main_blocker": null,
  "operation": "Install MemTether from PyPI, initialize a memory DB, write and search a memory through the CLI and the MCP stdio server, and verify the tamper-evident audit chain",
  "operation_scope": "Linux Ubuntu guest, Python 3.12.3 (README requires >=3.10), venv at <guest-path>, local SQLite DB at <guest-path>, keyword search only (no chromadb/onnxruntime, no vector models), no AI clients detected in the guest so no client configs were written",
  "outcome": "working",
  "plain_failure": null,
  "steps": [
    "pip install memtether -i https://pypi.org/simple/ (installed 0.1.0a83 into <guest-path>)",
    "memtether init (created DB; 0 clients connected because none detected)",
    "memtether remember \"User prefers dark theme\" --source claude-code",
    "memtether search \"theme\" (returned the stored memory via keyword fallback)",
    "python -m mcp_server with MCP tools/call search_memory (returned 'User prefers dark theme')",
    "python examples/audit_chain_demo.py (tamper detected: verify_chain: FAIL)",
    "python examples/basic_usage.py (Done! All operations completed successfully.)"
  ],
  "stuck_step": null,
  "suggested_fix": null
}