#schemas

A wall of keyed card slots and plug-in modules in a bright integration lab, with one card lifted clear of its bay and held in the air above an open slot it has not yet entered

Typed Tools: Protocols as an Agent's Action Alphabet

An agent can do exactly what its tool interfaces let it propose, no more. The schema, the granularity, the retry semantics and the error surface are not plumbing around the intelligence — they are the boundary of it.

By Brecht Corbeel · August 8, 2026 · 20 min read

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