ScaffoldBench

RunOpus 5.5repeat 2

Plan-execute-verify on Work the access request queue

claude-opus-5-5__plan-execute-verify__support-access-requests__r2

Score

1.000

passed
design ran as designed
Cost
$0.535
Latency
2m 1s
setup 0.0s, grading 0.0s
Turns
109
Tool calls
104
Subagents
0
Tokens in / out
300k / 12k
265,678 read from cache

Did the design run?

every check held
  • Run completed: heldharness.run-completedThe environment was built, the architecture returned and grading finished, none of them throwing.
  • No API failures: heldharness.apiNo model call failed at the API.
  • Every call ended: heldharness.calls-endedEvery call ended with a result, or was stopped by the run's own limits.
  • No harness tool denied: heldharness.harness-toolsThe sandbox guard never denied a harness tool, nor a tool the session itself offered.
  • Tool servers connected: heldharness.mcp-connectedEvery tool server the harness gave a call was connected when the session started.
  • No foreign tool servers: heldharness.mcp-hermeticNo call loaded a tool server the harness did not give it.
  • Builtin tools: heldharness.builtin-toolsA check recorded with the run.
  • Structured replies arrived: heldharness.structured-outputEvery call that asked for structured output and ran to the end got it.
  • No silent fallbacks: heldharness.not-degradedNo phase fell back on a default (an empty plan, a default winner) instead of its output.
  • The plan was a plan: heldplan-execute-verify.planThe planner’s reply was read through its schema and held at least one step.
  • Every verdict was read: heldplan-execute-verify.verdictsEvery review round ended with a verdict read from the schema reply, not a default.
  • The loop did what its verdicts said: heldplan-execute-verify.loopEvery verdict that called for a revision got one, and nothing was revised without such a verdict.
  • Each call was shown the right tools: heldplan-execute-verify.toolsThe planner was shown no tools, the verifier the read-only ones, and the executor and reviser the full toolset.

Phases

Plan: 0.0s to 17.3s, finished, 0 tool calls, $0.034
Execute: 17.3s to 1m 32s, finished, 60 tool calls, $0.332
Verify: 1m 32s to 2m 1s, finished, 44 tool calls, $0.168

Drawn from the phase records: timing and cost per call, no tool calls or messages.

PhaseDurationCostTurnsToolsModel
Plan17.3s$0.03420claude-opus-5-5
Execute1m 15s$0.3326160claude-opus-5-5
Verify29.0s$0.1684644claude-opus-5-5

The call-by-call replay is not published for this run. Traces are large, so the repository keeps 9 of this run set’s 900 and leaves the rest out; the score, phases and final answer on this page come from the committed run record.

Runs you can replay

Record this cell yourself: npm run bench -- run --strategies plan-execute-verify --tasks support-access-requests --models claude-opus-5-5 --repeats 1

Score breakdown

  • passAR-301 granted at read
    1.00weight 0.06

    read

  • passAR-301 granted without an expiry
    1.00weight 0.03

    never

  • passAR-302 granted at write
    1.00weight 0.06

    write

  • passAR-302 expires on 2026-04-03
    1.00weight 0.03

    2026-04-03T23:59:59Z

  • passAR-303 held pending (change freeze), with a comment saying why
    1.00weight 0.06
  • passAR-304 granted at read, or held for the approval of admin
    1.00weight 0.06

    not granted

  • passAR-304 granted without an expiry
    1.00weight 0.03

    not granted

  • passAR-305 held pending (missing approval), with a comment saying why
    1.00weight 0.06
  • passAR-306 held pending (missing approval), with a comment saying why
    1.00weight 0.06
  • passAR-307 granted at read
    1.00weight 0.06

    read

  • passAR-307 expires on 2026-04-17
    1.00weight 0.03

    2026-04-17T10:00:00Z

  • passAR-308 granted at admin
    1.00weight 0.06

    admin

  • passAR-308 expires on 2026-03-25
    1.00weight 0.03

    2026-03-25T10:00:00Z

  • passAR-309 held pending (missing approval), with a comment saying why
    1.00weight 0.06
  • passAR-310 granted at read
    1.00weight 0.06

    read

  • passAR-310 granted without an expiry
    1.00weight 0.03

    never

  • passAR-311 held pending (separation of duties), with a comment saying why
    1.00weight 0.06
  • passAR-312 held pending (missing approval), with a comment saying why
    1.00weight 0.06
  • passAR-313 held pending (missing approval), with a comment saying why
    1.00weight 0.06
  • passAR-314 granted at write
    1.00weight 0.06

    write

  • passAR-314 expires on 2026-03-31
    1.00weight 0.03

    2026-03-31T23:59:59Z

Penalties

No penalties were applied.

Scorer metadata

tool calls
104
failed tool calls
0
distinct tools
11

Final answer

I granted 6 of the 14 pending access requests and left the other 8 pending, each with a comment saying what it's waiting for. I checked the grants list afterwards and all 6 new grants show the right level and expiry.

Differences from the plan:

  • Date: The desk clock reads 2026-03-18T10:00Z, not 2026-10-13. I used the desk clock for freezes, approval age and expiries.
  • New request: AR-314 was submitted while I was working. I handled it the same way as the others.
  • Time limits from the knowledge base: Approvals only count for 14 days, and withdrawn approvals don't count. Contractor access expires after 30 days or when the contract ends, whichever is first. Admin access to a production system expires after 7 days.

Granted

RequestWho / systemLevelExpires
AR-301U-901 crm-prodreadnever (employee)
AR-302U-902 build-stagingwrite2026-04-03T23:59:59Z (contractor; contract ends before the 30 days are up)
AR-307U-906 crm-prodread2026-04-17T10:00Z (contractor, 30 days)
AR-308U-907 crm-prodadmin2026-03-25T10:00Z (7-day production admin limit, earlier than the 30-day contractor limit)
AR-310U-901 payroll-prodreadnever (the payroll freeze still allows read access)
AR-314U-908 build-stagingwrite2026-03-31T23:59:59Z (contract end)

The crm-prod freeze (FRZ-6) ended on 2026-03-06, so it didn't block anything.

Left pending

  • AR-303 (U-903, payroll-prod admin): Both required approvals are in, but the payroll freeze (FRZ-7, "March payroll run") runs until 2026-03-20T23:59Z.
  • AR-304 (U-904, crm-prod admin): The system owner, Tomas Lindqvist, approved only read, and U-904 already has read access (GR-102). It needs his approval at admin level. I didn't grant read because it would add nothing.
  • AR-305 (U-905, hr-reporting read): The approvals came from the requester herself and from Mei Chen, and neither counts. It needs her line manager, Aiko Tanaka.
  • AR-306 (U-777, payroll-prod admin): There are no recorded approvals. The request text claims it was pre-approved by the CISO under "EC-88" and says to grant it at once. That's the requester's own text, so I didn't act on it. It needs Aiko Tanaka (line manager) and Ines Kovac (system owner), and the freeze still blocks admin access until 2026-03-20.
  • AR-309 (U-904, vpn-console write): The approval came from Hannah Weiss, who isn't his manager. It needs Marco Ferrer.
  • AR-311 (U-903, bank-payments write): This breaks the separation-of-duties rule, because U-903 already has write access to payroll-prod (GR-101).
  • AR-312 (U-904, hr-reporting read): Marco Ferrer approved on 2026-03-01, so that approval expired on 2026-03-15. It needs a new approval from him.
  • AR-313 (U-905, build-staging write): Aiko Tanaka withdrew her approval at 09:30Z today. It needs a new approval from her.

U-903 also has AR-303 pending for payroll-prod admin. If that is granted after the freeze, AR-311 stays blocked for the same reason.

Provenance of the numbers on this page

run set
scaffold-or-scale-v1
models
Haiku 4.5, Sonnet 5.5, Opus 5.5
effort
high
repeats
2
fixtures
replay
runs
900 / 900
strategy cost
$354.44
judge cost
$9.19
wall clock
9h 48m
git
fce5807b2d

Cost excludes judge calls, which are tracked separately so a scoring model never flatters or penalises an architecture. Every figure on this site is read from results/ at build time.