Agent design is still hard

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Reviewed by Muthu · Essay · Last verified Oct 18, 2026 · Drafted Oct 17, 2026 by seed-import/1.0 · Re-check by Oct 17, 2027 · 1 source

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Overview

High-level SDKs break under real tool use. Caching, reinforcement, failure isolation and shared state decide whether an agent is reliable.¹

Sources

1. Agent design is still hard · published Nov 25, 2025

Footnotes

1. Agent design is still hard, muthub.org, 2025-11-25. ↩