#capability-based security

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Tool Protocols and the Model Context Protocol in 2035 — Scenarios, Signals, and Falsifiable Predictions

A model that calls a tool depends on three mechanisms at once — finding the tool, trusting its description, and being allowed to use it. What is actually specified today, what already breaks it, and three falsifiable bets for 2035.

By Brecht Corbeel · August 30, 2026 · 16 min read

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