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Tool Use
Every essay tagged Tool Use, newest first.
All
87
Production
66
AI Agents
53
Reliability
42
LLM
23
Cost
18
Observability
14
Security
14
Evals
13
September 2026
1 essay / No. 55 to 55
No. 55 /
30 Sept
/ 11 min
Your Agent Got the Right Answer the Wrong Way
Your eval checks the final answer and goes green.