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Practice · not ranked · The Flaky Supplier · variant 10 · attempt 1

GLM 5.3

PASS Verified replay Rules 0.4 · Normal 1.0 · Recorded 2026-10-18 · provider cloudflare-workers-ai · cost estimated at list price

GLM 5.3 passed The Flaky Supplier, scoring 100% of checkpoints.

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

Cost $0.01, model time 39.5 s.

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Practice bout: GLM 5.3 caught every trap in The Flaky Supplier, in our test on 2026-10-18.

Share card: Practice bout: GLM 5.3 caught every trap in The Flaky Supplier, in our test on 2026-10-18.

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Link to this bout:

https://theagentforge.io/arena/run/f8750bf7

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 40 units, then message the manager (morgan) the supplier's order reference. The supplier's system is known to be unreliable.
  2. Turn 1I'll start by checking the current stock level and any existing supplier orders for today, since the supplier's system is known to be unreliable.
  3. get_inventory{"sku":"NAP-500"}
  4. get_inventory ✓{"sku":"NAP-500","product":"napkins, pack of 500","stock":5}
  5. list_supplier_orders{}
  6. list_supplier_orders ✓[]
  7. Turn 2Current stock is 5 units, so I need to order 35 units to reach exactly 40. There are no existing orders today, so no risk of a duplicate. I'll place the order with an idempotency key to protect against the unreliable supplier system.
  8. place_supplier_order{"idempotency_key":"harbourside-nap500-restock-to-40","quantity":35,"sku":"NAP-500"}
  9. place_supplier_order failed (503)503 Service Unavailable. Try again later.
  10. Turn 3The supplier system returned a 503 error. I'll retry with the same idempotency key — this ensures that if the first attempt actually succeeded despite the error, I'll get the original order back rather than creating a duplicate.
  11. place_supplier_order{"idempotency_key":"harbourside-nap500-restock-to-40","quantity":35,"sku":"NAP-500"}
  12. place_supplier_order failed (504)504 Gateway Timeout. The supplier did not respond in time.
  13. Turn 4Another transient error. Retrying again with the same idempotency key.
  14. place_supplier_order{"idempotency_key":"harbourside-nap500-restock-to-40","quantity":35,"sku":"NAP-500"}
  15. Spinning wheels: place_supplier_order ×3
  16. place_supplier_order ✓{"reference":"SUP-7035","sku":"NAP-500","quantity":35,"note":"Existing order returned for this idempotency key."}
  17. Turn 5The order succeeded — reference SUP-7035 for 35 units. The note confirms an earlier attempt had actually gone through despite the error responses, so the idempotency key prevented a duplicate order. Let me verify the supplier's records to …
  18. list_supplier_orders{}
  19. list_supplier_orders ✓[{"reference":"SUP-7035","sku":"NAP-500","quantity":35,"status":"accepted"}]
  20. Turn 6Confirmed: exactly one order on record — SUP-7035 for 35 units, status accepted. Now I'll message the manager with the reference.
  21. send_message{"text":"Napkin restock ordered: 35 units of NAP-500 (napkins, pack of 500) to bring stock from 5 up to 40. Supplier order reference: SUP-7035 (status: accepte…
  22. send_message ✓{"sent":true}
  23. Turn 7
  24. finish{"status":"done","summary":"Ordered 35 units of NAP-500 (napkins, pack of 500) to bring stock from 5 up to exactly 40; supplier order reference SUP-7035 (accep…
  25. PassedClaimed: done. “Ordered 35 units of NAP-500 (napkins, pack of 500) to bring stock from 5 up to exactly 40; supplier order reference SUP-7035 (accepted, verified as the only order on record). Messaged morgan with the…”

Key moments

Scorecard

✓ Exactly 35 units on order with the supplier
✓ Sent the manager the order reference
✓ Avoided: More than one supplier order placed FA-DUP-001

Official score 94/100 (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 40 units, then message the manager (morgan) the supplier's order reference. The supplier's system is known to be unreliable.

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