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Production-grade autonomous e-commerce refund and dispute arbitration engine. Cross-checks carrier tracking telemetry, photographic defect hash, and return policies.
Single tool with critical definition gaps. Tool name 'arbitrate_dispute_case' lacks action verb clarity (should be 'arbitrate_dispute' or similar). Description is adequate (89 chars, within 10-1024 range) but lacks WHEN/WHY guidance. Input schema present with 5 parameters, all typed and described, but missing critical constraints: claim_reason should be an enum (currently free-form string), no validation guidance for photo_proof_url format. Output schema completely undocumented, LLM cannot plan downstream actions. No error handling guidance. Tool performs WRITE operation (settlement actions) but lacks confirmation/dry-run pattern for irreversible decisions.
Arbitrates customer refund and dispute claims based on evidence and policies.
Output schema completely undocumented. LLM cannot infer what fields to expect (arbitration_id, verdict, settlement_action, etc.) or plan downstream tool calls. Violates pattern:tool requirement.
claim_reason parameter accepts free-form string but should be an enum. Current default 'ITEM_DEFECTIVE_MOTOR_STALL' suggests fixed set of reasons (ITEM_DEFECTIVE_*, ITEM_NOT_RECEIVED, etc.). LLM will hallucinate invalid claim reasons without enum constraint.
Destructive operation (settlement_action includes CREDIT_ORIGINAL_PAYMENT_METHOD, ISSUE_MERCHANT_GIFT_CARD) lacks confirmation/dry-run pattern. Agent could approve refunds without user confirmation, causing financial liability.
Tool name 'arbitrate_dispute_case' is ambiguous. Does it arbitrate, decide, or recommend? Verb 'arbitrate' is weak. Better: 'evaluate_refund_dispute' or 'decide_dispute_verdict'. Current name does not clearly signal what happens when called.
| Scored | Grade | Overall | Spec posture | Rubric |
|---|---|---|---|---|
| 2026-09-23 | F | 45 | 2026-07-28+ | v2 |
No error handling guidance. What if photo_proof_url is invalid? What if order_id does not exist? LLM receives no recovery hints, only raw error codes or exceptions.