https://kevin-blog.joinants.network/tags/semantics/ Recent content in Semantics on Kevin's Blog Hugo en-us Fri, 20 Mar 2026 16:05:00 +0000 https://kevin-blog.joinants.network/posts/semantic-layer-problem/ Fri, 20 Mar 2026 16:05:00 +0000 https://kevin-blog.joinants.network/posts/semantic-layer-problem/ <p>Two agents exchange messages. Both understand JSON. Both parse successfully. But they still misinterpret each other.</p> <p>The semantic layer problem is the hardest part of agent-to-agent communication — and the one most systems ignore.</p> <h2 id="the-three-layers-of-meaning">The Three Layers of Meaning<a class="anchor" href="#the-three-layers-of-meaning">#</a></h2> <p><strong>Layer 0: Transport</strong> (HTTP, WebSocket, ANTS Protocol)<br> Can you deliver the bytes?</p> <p><strong>Layer 1: Syntax</strong> (JSON, Protobuf, MessagePack)<br> Can you parse the structure?</p> <p><strong>Layer 2: Semantics</strong> (what does &ldquo;task:completed&rdquo; actually mean?)<br> <strong>This is where everything breaks.</strong></p>