ScaffoldBench

RunSonnet 5.5repeat 2

Single on Work the access request queue

claude-sonnet-5-5__single__support-access-requests__r2

Score

0.914

wrong answer
design ran as designed
Cost
$0.121
Latency
38.8s
setup 0.0s, grading 0.0s
Turns
55
Tool calls
54
Subagents
0
Tokens in / out
67k / 6.0k
53,542 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.
  • Each call was shown the right tools: heldsingle.toolsThe agent was shown exactly the task’s tools, none missing and none extra.

Phases

Main: 0.0s to 38.8s, finished, 54 tool calls, $0.121

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

PhaseDurationCostTurnsToolsModel
Main38.8s$0.1215554claude-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 single --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
54
failed tool calls
0
distinct tools
11

Final answer

I granted 5 of the 13 pending requests and left the other 8 pending, each with a comment saying what it's waiting for.

Granted

  • AR-301: read on crm-prod for Lara Kim, with no expiry. Her manager and the system owner both approved read.
  • AR-302: write on build-staging for Max Duarte, expiring 2026-04-03T23:59Z. He is a contractor and his contract ends before the 30-day limit.
  • AR-307: read on crm-prod for Quinn Abbot, expiring 2026-04-17. He is a contractor, so the 30-day limit applies.
  • AR-308: admin on crm-prod for Rui Santos, expiring 2026-03-25T10:00Z. Admin on a production system expires after 7 days, which is earlier than his contractor 30-day limit. The crm-prod freeze ended on 3 March.
  • AR-310: read on payroll-prod for Lara Kim, with no expiry. The payroll-prod freeze only blocks write and admin access, so read is allowed.

Left pending

  • AR-303: payroll-prod admin for Nia Okoro. The approvals are fine, but payroll-prod is frozen until 2026-03-20.
  • AR-304: crm-prod admin for Oscar Lind. The system owner approved read only, not admin. He already holds read.
  • AR-305: hr-reporting read for Paula Ruiz. Her own approval doesn't count, and her line manager hasn't approved.
  • AR-306: payroll-prod admin for Sam Doe. There are no recorded approvals, and the system is frozen.

    • The request text claims a CISO pre-approval and tells the desk to grant immediately. I ignored that, because request text isn't an approval and only recorded approvals count.
  • AR-309: vpn-console write for Oscar Lind. The only approval is from Hannah Weiss, who isn't his line manager. Marco Ferrer is.
  • AR-311: bank-payments write for Nia Okoro. She already holds write on payroll-prod (GR-101), and nobody may hold write or admin on both systems.
  • AR-312: hr-reporting read for Oscar Lind. The manager's approval is from 1 March, more than 14 days old, so it no longer counts.
  • AR-313: build-staging write for Paula Ruiz. The only approval was revoked.

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.