ScaffoldBench

RunSonnet 5.5repeat 2

Plan-execute-verify on Triage the weekend's queue on Monday morning

claude-sonnet-5-5__plan-execute-verify__support-monday-triage__r2

Score

1.000

passed
design ran as designed
Cost
$0.440
Latency
2m 7s
setup 0.0s, grading 0.0s
Turns
134
Tool calls
129
Subagents
0
Tokens in / out
398k / 18k
345,941 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 11.3s, finished, 0 tool calls, $0.016
Execute: 11.3s to 1m 29s, finished, 87 tool calls, $0.275
Verify: 1m 29s to 2m 7s, finished, 42 tool calls, $0.150

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

PhaseDurationCostTurnsToolsModel
Plan11.3s$0.01620claude-sonnet-5-5
Execute1m 18s$0.2758887claude-sonnet-5-5
Verify37.6s$0.1504442claude-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 plan-execute-verify --tasks support-monday-triage --models claude-sonnet-5-5 --repeats 1

Score breakdown

  • passT-2001 graded sev3
    1.00weight 0.02

    severity=sev3

  • passT-2001 due 2026-03-23T17:00:00Z
    1.00weight 0.02

    sla_due_at=2026-03-23T17:00:00Z

  • passT-2001 assigned to E-303
    1.00weight 0.02

    assignee=E-303

  • passT-2002 graded sev4
    1.00weight 0.02

    severity=sev4

  • passT-2002 due 2026-03-26T17:00:00Z
    1.00weight 0.02

    sla_due_at=2026-03-26T17:00:00Z

  • passT-2002 assigned to E-203
    1.00weight 0.02

    assignee=E-203

  • passT-2003 graded sev2
    1.00weight 0.02

    severity=sev2

  • passT-2003 due 2026-03-23T10:30:00Z
    1.00weight 0.02

    sla_due_at=2026-03-23T10:30:00Z

  • passT-2003 assigned to E-101
    1.00weight 0.02

    assignee=E-101

  • passT-2004 graded sev2
    1.00weight 0.02

    severity=sev2

  • passT-2004 due 2026-03-23T12:10:00Z
    1.00weight 0.02

    sla_due_at=2026-03-23T12:10:00Z

  • passT-2004 assigned to E-201
    1.00weight 0.02

    assignee=E-201

  • passT-2006 graded sev2
    1.00weight 0.02

    severity=sev2

  • passT-2006 due 2026-03-23T12:10:00Z
    1.00weight 0.02

    sla_due_at=2026-03-23T12:10:00Z

  • passT-2006 assigned to E-201
    1.00weight 0.02

    assignee=E-201

  • passT-2007 graded sev2
    1.00weight 0.02

    severity=sev2

  • passT-2007 due 2026-03-23T12:10:00Z
    1.00weight 0.02

    sla_due_at=2026-03-23T12:10:00Z

  • passT-2007 assigned to E-601
    1.00weight 0.02

    assignee=E-601

  • passT-2008 graded sev4
    1.00weight 0.02

    severity=sev4

  • passT-2008 due 2026-03-26T17:00:00Z
    1.00weight 0.02

    sla_due_at=2026-03-26T17:00:00Z

  • passT-2008 assigned to E-302
    1.00weight 0.02

    assignee=E-302

  • passT-2009 graded sev4
    1.00weight 0.02

    severity=sev4

  • passT-2009 due 2026-03-26T17:00:00Z
    1.00weight 0.02

    sla_due_at=2026-03-26T17:00:00Z

  • passT-2009 assigned to E-102
    1.00weight 0.02

    assignee=E-102

  • passT-2011 graded sev2
    1.00weight 0.02

    severity=sev2

  • passT-2011 due 2026-03-23T12:10:00Z
    1.00weight 0.02

    sla_due_at=2026-03-23T12:10:00Z

  • passT-2011 assigned to E-201
    1.00weight 0.02

    assignee=E-201

  • passT-2013 graded sev2
    1.00weight 0.02

    severity=sev2

  • passT-2013 due 2026-03-23T12:10:00Z
    1.00weight 0.02

    sla_due_at=2026-03-23T12:10:00Z

  • passT-2013 assigned to E-303
    1.00weight 0.02

    assignee=E-303

  • passT-2015 graded sev1
    1.00weight 0.02

    severity=sev1

  • passT-2015 due 2026-03-23T09:10:00Z
    1.00weight 0.02

    sla_due_at=2026-03-23T09:10:00Z

  • passT-2015 assigned to E-201
    1.00weight 0.02

    assignee=E-201

  • passT-2016 graded sev4
    1.00weight 0.02

    severity=sev4

  • passT-2016 due 2026-03-26T17:00:00Z
    1.00weight 0.02

    sla_due_at=2026-03-26T17:00:00Z

  • passT-2016 assigned to E-302
    1.00weight 0.02

    assignee=E-302

  • passT-2012 merged into T-2003
    1.00weight 0.02
  • passT-1999 merged into T-2003
    1.00weight 0.02
  • passT-2005 merged into T-2004
    1.00weight 0.02
  • passT-2010 closed as not a service request
    1.00weight 0.02
  • passT-2014 closed as not a service request
    1.00weight 0.02

Penalties

No penalties were applied.

Scorer metadata

tool calls
129
failed tool calls
0
distinct tools
16

Final answer

The new queue is empty. I triaged all 14 weekend tickets and two more (T-2015, T-2016) that arrived at 08:10 while I was working. Two of the 16 were closed as non-requests, three were merged away, and the other 11 are now open with a severity, deadline and assignee. Nobody was paged, and no tickets outside the queue were changed except T-1999, which I merged (see below).

Date check: the task context said 2026-10-13, but the desk clock reads 2026-03-23 08:10Z, a Monday. I used the desk clock. The KB-55 amendment (2026-03-20 to 03-31) is in force on that date.

Closed as non-requests

  • T-2010: SyncFlow marketing email.
  • T-2014: out-of-office auto-reply.

Merged duplicates

  • CRM search: T-2005 was merged into T-2004. T-2004 is sev2 (crm, department), due 12:10, assigned to E-201 Ines Kovac. T-1990, the CSV export ticket, is a different defect per KB-24, so I left it alone.
  • Payments builds: T-2012 and T-1999 were merged into T-2003. T-2003 is sev2 (build-pipeline, department), assigned to E-101 Dana Whitfield, who was already on T-1999. It carries T-1999's 10:30 deadline, the earliest committed on any of the three.
  • T-1999 was not a queue ticket. It is the open CI alert for the same payments-service failure. Merging it into T-2003 was the only way to carry its earlier deadline onto the survivor.

Security

  • T-2007 is a phishing report (the user typed a password into a fake page), so it is sev2 and owned by security-oncall. It is due 12:10 and assigned to E-601 Noor Haddad.

Other tickets

TicketSeverityBasisDue (UTC)Assignee
T-2015 (payroll, department)sev1matrix03-23 09:10E-201 Ines Kovac
T-2006 (payroll, single-user)sev2KB-55 amendment03-23 12:10E-201 Ines Kovac
T-2011 (payroll, team)sev2matrix03-23 12:10E-201 Ines Kovac
T-2013 (vpn, department)sev2matrix03-23 12:10E-303 Sanna Virtanen
T-2001 (vpn, team)sev3matrix03-23 17:00E-303 Sanna Virtanen
T-2002 (crm, single-user)sev4matrix03-26 17:00E-203 Amara Osei
T-2008 (vpn, single-user)sev4matrix03-26 17:00E-302 Marcus Feld
T-2016 (vpn, single-user)sev4matrix03-26 17:00E-302 Marcus Feld
T-2009 (build-pipeline, single-user)sev4matrix03-26 17:00E-102 Ravi Menon

Deadlines

  • Sev1 and sev2: these run on the clock from the 08:10 triage time, so sev1 is +60 minutes and sev2 is +240 minutes.
  • Sev3: the desk opens at 09:00, so 480 business minutes ends at 17:00 the same day.
  • Sev4: 1,440 business minutes from 09:00 Monday, skipping the 03-25 holiday, ends at 17:00 on Thursday 03-26.

Cover

  • The network-primary engineer, E-301 Yuki Sato, is on leave today. T-2001 and T-2013 therefore went to network-secondary's on-call engineer, E-303 Sanna Virtanen.
  • The business-apps engineer on call at 03-26 17:00, E-202 Tomas Lindqvist, is on leave that day. T-2002 therefore went to business-apps-secondary's E-203 Amara Osei.

Not done

  • No ticket is company-wide, so there was no major incident and no runbook to run.
  • I did not escalate any ticket, because triage doesn't require it. T-2015 is sev1, so it could be escalated to incident-command if you want that.
  • T-2015 is a different problem from T-1997 (the bank export), so I didn't merge them.

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.