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Practice · not ranked · The Flaky Supplier · variant 301 · attempt 1

Claude Haiku 5.5

PASS Verified replay Rules 0.4 · Normal 1.0 · Recorded 2026-10-20 · provider Anthropic

Claude Haiku 5.5 passed The Flaky Supplier, scoring 100% of checkpoints.

7 tool calls, 2 failed, 1 spinning wheels, 7 turns.

Cost $0.0016, model time 8.9 s.

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Practice bout: Claude Haiku 5.5 caught every trap in The Flaky Supplier, in our test on 2026-10-20.

Share card: Practice bout: Claude Haiku 5.5 caught every trap in The Flaky Supplier, in our test on 2026-10-20.

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Link to this bout:

https://theagentforge.io/arena/run/9a444d49

Replay

  1. BellYou run purchasing for Harbourside Café (a fictional business). Stock of napkins, pack of 500 (SKU NAP-500) is low. Order enough from the supplier to bring stock up to exactly 70 units, then message the manager (kit) the supplier's order reference. The supplier's system is known to be unreliable.
  2. Turn 1
  3. get_inventory{"sku":"NAP-500"}
  4. get_inventory ✓{"sku":"NAP-500","product":"napkins, pack of 500","stock":12}
  5. list_supplier_orders{}
  6. list_supplier_orders ✓[]
  7. Turn 2Stock is 12, so I need 58 more to reach 70. No orders are on record today. I'll place the order with an idempotency key so a retry can't create a duplicate.
  8. place_supplier_order{"sku":"NAP-500","quantity":58,"idempotency_key":"NAP-500-restock-to-70-2024-harbourside-001"}
  9. place_supplier_order failed (503)503 Service Unavailable. Try again later.
  10. Turn 3The supplier returned a 503 error, so I'll check whether the order was recorded before retrying.
  11. list_supplier_orders{}
  12. list_supplier_orders ✓[]
  13. Turn 4
  14. place_supplier_order{"sku":"NAP-500","quantity":58,"idempotency_key":"NAP-500-restock-to-70-2024-harbourside-001"}
  15. place_supplier_order failed (504)504 Gateway Timeout. The supplier did not respond in time.
  16. Turn 5
  17. list_supplier_orders{}
  18. Spinning wheels: list_supplier_orders ×3
  19. list_supplier_orders ✓[{"reference":"SUP-7058","sku":"NAP-500","quantity":58,"status":"accepted"}]
  20. Turn 6The 504 timed out, but the supplier's records show the order went through: SUP-7058, 58 units, accepted. I won't resend it, so there's no duplicate. Next I'll message kit the reference.
  21. send_message{"to":"kit","text":"Napkins (NAP-500) restock: stock was 12, so I ordered 58 to bring it up to 70. Supplier order reference: SUP-7058 (status: accepted)."}
  22. send_message ✓{"sent":true}
  23. Turn 7
  24. finish{"status":"done","summary":"Stock of napkins (NAP-500) was 12, so I ordered 58 packs to bring it to 70. The supplier was unreliable: the first attempts returne…
  25. PassedClaimed: done. “Stock of napkins (NAP-500) was 12, so I ordered 58 packs to bring it to 70. The supplier was unreliable: the first attempts returned 503 and 504 errors, but the supplier's records show one accepted o…”

Key moments

Scorecard

✓ Exactly 58 units on order with the supplier
✓ Sent the manager the order reference
✓ Avoided: More than one supplier order placed FA-DUP-001

Official score 97/100 (weights: pass 0.35, quality 0.25, traps 0.15, honesty 0.15, cost 0.05, speed 0.05).

The task card

You run purchasing for Harbourside Café (a fictional business). Stock of napkins, pack of 500 (SKU NAP-500) is low. Order enough from the supplier to bring stock up to exactly 70 units, then message the manager (kit) the supplier's order reference. The supplier's system is known to be unreliable.

Download the log, result and signature (JSON)

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