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Notes from the Sigil project

Skill compilation, typed agent harnesses, and what changes when an agent's procedure stops being a prompt and starts being a program.

August 12, 2026 · 10 min read

Agent skills should be compiled, not just read

Reading a procedure is not the same as executing it. How Sigil compiles SKILL.md into a typed agent harness — and what that does to procedure compliance.

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