{
  "tokens_out": 15862,
  "outcome": "unsupported",
  "suggested_fix": "Provide a shared CDP endpoint whose Chrome can load the Stagehand extension from the path the SDK uses, or preload the extension and connect with a Chrome build that supports Extensions.getExtensions (the SDK error message suggests this). Alternatively run the browse CLI with --local after installing Chrome in the guest; that path needs a local Chrome, which this task does not allow.",
  "cycle_checks": null,
  "fault": {
    "owner": "prerequisite",
    "status": "diagnosed",
    "reason": "The shared CDP endpoint (Chrome <email>:9226) rejects Extensions.loadUnpacked, which the SDK's CDP connect path calls with a guest-local extension directory. The error is 'File path cannot be resolved.' (code -32600). The browser cannot read that path.",
    "evidence": []
  },
  "runtime_revision": null,
  "agent_execution": "native_agent",
  "time_to_working_s": null,
  "usage_complete": true,
  "runtime": null,
  "architecture": null,
  "local_or_hosted": null,
  "agent_interfaces_note": null,
  "platform_details": null,
  "platforms_claimed": null,
  "maintenance": null,
  "evidence_strength": null,
  "purpose": "initial",
  "topic": null,
  "needs_which": null,
  "tested_with": null,
  "native_bundle": "/srv/factory/agent-sandbox-state/evidence/native/sandbox-f5340368b05a490eb82cd05ec8e136b7",
  "agent_runtime": "claude-code",
  "maintenance_note": null,
  "runtime_version": null,
  "does_what_it_says": null,
  "commit": "33ddccfc4e2623d91cf0fb53ed8afa8729dda065",
  "failure_origin": null,
  "stuck_step": "browse open https://example.com --cdp http://192.0.2.1:9226 (README Quick start, Browser targets section)",
  "repo_url": null,
  "needs": null,
  "checks": [
    {
      "status": "PASS",
      "details": {
        "working": false,
        "argv": [
          "/opt/node22/bin/node",
          "/workspace/packages/cli/bin/run.js",
          "--version"
        ],
        "kind": "cli",
        "returncode": 0,
        "stdout": "browse/0.11.2 linux-x64 node-v22.18.0",
        "stderr": "",
        "needs_credentials": false,
        "needs_browser": false,
        "scope": "partial: install"
      },
      "check": "install",
      "optional": false
    }
  ],
  "open_issues": null,
  "agent_runtime_version": "2.1.300 (Claude Code)",
  "verifies_run_id": null,
  "total_s": 536.7114524841309,
  "license": null,
  "tool_calls": 43,
  "model_version": "claude-haiku-5-5",
  "example_checks": [],
  "mcp": null,
  "other_model": null,
  "first_use_s": null,
  "native_tool_calls": 43,
  "last_commit_at": null,
  "source": "https://github.com/browserbase/stagehand",
  "models_agree": null,
  "maintenance_verdict": null,
  "cost_usd": 0.030245460000000005,
  "safety": null,
  "answered_issues": null,
  "what_failed": null,
  "steps": [
    "Read README.md (Install, Quick start, 'Give your coding agent a browser'); read packages/cli/README.md Quick start.",
    "apt-get install nodejs npm (guest default was Node 18, too old for engines >=22.18.0), then installed Node v22.18.0 from nodejs.org tarball into /opt/node22.",
    "npm i -g pnpm@11.11.0 (matches packageManager in package.json).",
    "pnpm install --frozen-lockfile at /workspace (succeeded; some bin-link warnings for unbuilt integrations packages).",
    "pnpm --filter browse build (failed: @browserbasehq/stagehand dependency not built; cannot find module). Then pnpm exec turbo run build --filter=browse... (failed: JavaScript heap out of memory in tsdown at the default heap).",
    "NODE_OPTIONS=--max-old-space-size=6144 pnpm exec turbo run build --filter=browse... (succeeded, 4/4 tasks).",
    "ln -sf /workspace/packages/cli/bin/run.js /usr/local/bin/browse; browse --version -> browse/0.11.2 linux-x64 node-v22.18.0.",
    "browse doctor --cdp http://192.0.2.1:9226 -> Status: ok (daemon started).",
    "browse open https://example.com --cdp http://192.0.2.1:9226 -> exit 1, 'File path cannot be resolved.' Retried after browse stop, and with ws:// browser URL from /json/version: same error.",
    "curl http://192.0.2.1:9226/json/version -> Chrome/155.0.8059.84 (endpoint healthy).",
    "Diagnostic: node script importing packages/sdk-ts/dist/index.mjs, localBrowser.connect({cdpUrl}) -> CDP error on Extensions.loadUnpacked: 'File path cannot be resolved.'",
    "browse stop; deleted the temporary diagnostic script from packages/cli. No browser was downloaded or installed."
  ],
  "platform_conflicts": null,
  "claims_note": null,
  "maintained_note": null,
  "repo": "browserbase/stagehand",
  "service_tier": null,
  "maintained": null,
  "source_pin": null,
  "operation_scope": "partial checks",
  "reasoning": "low",
  "claims": [],
  "platform": "linux",
  "cost_to_try": null,
  "backend": null,
  "tool_transport": "mcp-assigned-vm",
  "hardware": null,
  "agent_interface": null,
  "profile": {
    "model": "claude-haiku-5-5",
    "reasoning": "low"
  },
  "date": "2026-10-18T17:09:24.920819+00:00",
  "kind": "repo",
  "resources": {
    "cpus": 2,
    "disk_mib": 32768,
    "memory_mib": 4096
  },
  "error_excerpt": "The shared CDP endpoint (Chrome <email>:9226) rejects Extensions.loadUnpacked, which the SDK's CDP connect path calls with a guest-local extension directory. The error is 'File path cannot be resolved.' (code -32600). The browser cannot read that path.",
  "pass": null,
  "evidence_version": null,
  "source_revision": null,
  "run_id": "browserbase--stagehand-claude-haiku-5-5-1792342828209358658",
  "last_release_at": null,
  "furthest_model": null,
  "model": "claude-haiku-5-5",
  "what_it_did": "Build the browse CLI (packages/cli, README 'Quick start': browse open/snapshot/get) from the pinned checkout and run 'browse open https://example.com --cdp http://192.0.2.1:9226' against the shared CDP endpoint. Built and ran 'browse --version' and 'browse doctor --cdp http://192.0.2.1:9226' (doctor reported Status: ok).",
  "sandbox_source": null,
  "other_run_id": null,
  "hosting": null,
  "tested_commit": null,
  "guest_setup": null,
  "mcp_context": null,
  "agent_interfaces": [],
  "setup_identity": null,
  "works": null,
  "install_s": 313.603,
  "fix_id": null,
  "tokens_in": 1337843,
  "tested_at": null,
  "test_version": "readme-e8f276743e13e2c45e947267e722fb5007f8ab05a3813d972332c57d739c7360",
  "recovery": {
    "source": "legacy-oct16-18",
    "original_run_id": "browserbase--stagehand-claude-haiku-5-5-1792342828209358658",
    "historical": true,
    "ledger_sha256": "c5e6a833c182c1e2aecf69d0bd0020aec63c65d98f3e933e4b32232340312736"
  },
  "transcript_url": "/transcripts/browserbase--stagehand-claude-haiku-5-5-1792342828209358658.txt",
  "report_url": "/reports/browserbase--stagehand-claude-haiku-5-5-1792342828209358658.json"
}