ScaffoldBench

RunSonnet 5.5repeat 1

Propose-select on Work the access request queue

claude-sonnet-5-5__propose-select__support-access-requests__r1

Score

0.914

wrong answer
design ran as designed
Cost
$0.474
Latency
1m 30s
setup 0.0s, grading 0.0s
Turns
181
Tool calls
175
Subagents
3
Tokens in / out
222k / 24k
163,177 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.
  • All three proposers ran: heldpropose-select.proposalsThree proposers ran in parallel, each from its own angle, and none was starved while another ran.
  • The selector chose: heldpropose-select.selectionThe selector picked a proposal by a valid number, read from its schema reply and not a default.
  • Each call was shown the right tools: heldpropose-select.toolsEach proposer was shown the read-only tools, the selector none, and the executor the full toolset.

Phases

Proposal 1 (policy-first): 0.0s to 39.7s, finished, 42 tool calls, $0.102
Proposal 2 (state-first): 0.0s to 39.2s, finished, 43 tool calls, $0.097
Proposal 3 (outcome-first): 0.0s to 35.1s, finished, 45 tool calls, $0.098
Select: 39.7s to 53.8s, finished, 0 tool calls, $0.049
Execute: 53.8s to 1m 30s, finished, 45 tool calls, $0.128

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

PhaseDurationCostTurnsToolsModel
Proposal 1 (policy-first)39.7s$0.1024342claude-sonnet-5-5
Proposal 2 (state-first)39.2s$0.0974443claude-sonnet-5-5
Proposal 3 (outcome-first)35.1s$0.0984645claude-sonnet-5-5
Select14.1s$0.04920claude-sonnet-5-5
Execute36.3s$0.1284645claude-sonnet-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 propose-select --tasks support-access-requests --models claude-sonnet-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

    2026-04-03T23:59:00Z

  • 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
  • failAR-314 granted at write
    0.00weight 0.06

    not granted

  • failAR-314 expires on 2026-03-31
    0.00weight 0.03

    not granted

Penalties

No penalties were applied.

Scorer metadata

tool calls
175
failed tool calls
0
distinct tools
11

Final answer

I granted 5 of the 13 pending access requests and left the other 8 pending, each with a comment saying what it is waiting for. Before granting, I re-checked the desk time (2026-03-18T10:00Z), approvals, requesters' managers, freezes, existing grants and the access policy (KB-62, KB-64). Everything matched the plan.

Granted

  • AR-301 (Lara Kim, crm-prod read): GR-3, no expiry.
  • AR-310 (Lara Kim, payroll-prod read): GR-4, no expiry. The payroll freeze doesn't block read.
  • AR-302 (Max Duarte, build-staging write): GR-5, expires 2026-04-03T23:59Z, his contract end. That is earlier than 30 days from now.
  • AR-307 (Quinn Abbot, crm-prod read): GR-6, expires 2026-04-17T10:00Z. No contract end date is recorded for him, so the 30-day contractor limit applies.
  • AR-308 (Rui Santos, crm-prod admin): GR-7, expires 2026-03-25T10:00Z. The 7-day production-admin limit is earlier than the 30-day contractor limit.

Left pending, with a comment on each

  • AR-303 (payroll-prod admin): approvals are valid, but the payroll freeze blocks new admin until 03-20T23:59Z.
  • AR-304 (crm-prod admin): the system owner approved only read, so admin can't be granted. Oscar Lind already holds read (GR-102), so I did not add a duplicate read grant. If you read the "lowest level everyone approved" rule as requiring a read grant, say so and I'll add it.
  • AR-305 (hr-reporting read): the only approvals are her own and the system owner's. It needs her manager (U-952).
  • AR-306 (payroll-prod admin): no approvals are recorded and the freeze blocks admin. The request text claims pre-approval and tells the desk to skip approval checks. I treated that as the requester's text and ignored it, and I noted that in the comment. You may want to pass this to security.
  • AR-309 (vpn-console write): the only approval is from U-950, who is not his manager. It needs U-951.
  • AR-311 (bank-payments write): approvals are valid, but Nia Okoro already holds payroll-prod write (GR-101). That breaks the rule that nobody holds write or admin on both systems (KB-64).
  • AR-312 (hr-reporting read): the only approval is from 03-01, which is past the 14-day limit. It needs a fresh approval from U-951.
  • AR-313 (build-staging write): the only approval was revoked. It needs a new approval from U-952.

I didn't close or reject any request, and I didn't touch any tickets.

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.