https://trawlia.co/notes/ Notes on building a web search API for AI agents. en https://trawlia.co/notes/a-web-page-is-mostly-not-the-article/ https://trawlia.co/notes/a-web-page-is-mostly-not-the-article/ We measured what survives extraction across 74 real pages our search API served: 4.2% of the bytes that came off the wire. What the other 95.8% is, and why it matters when you are paying per token. Fri, 28 Aug 2026 00:00:00 GMT https://trawlia.co/notes/an-empty-result-is-not-an-error/ https://trawlia.co/notes/an-empty-result-is-not-an-error/ The most common bug in agent search integrations is treating an empty result list as a failure, or a failure as an empty list. Why status codes have to carry that difference, and what happens when they do not. Fri, 28 Aug 2026 00:00:00 GMT https://trawlia.co/notes/what-it-costs-to-give-an-agent-web-access/ https://trawlia.co/notes/what-it-costs-to-give-an-agent-web-access/ Most agent searches do not need the page. A four-rung depth dial, what each rung actually buys, and why the cheapest useful answer is usually the snippet you already have. Fri, 28 Aug 2026 00:00:00 GMT https://trawlia.co/notes/a-search-api-is-a-prompt-injection-surface/ https://trawlia.co/notes/a-search-api-is-a-prompt-injection-surface/ An attacker targeting your agent through search does not need to reach you. They only need to rank for a query you run. What that changes, and the three defences that survive contact with a fully persuaded model. Fri, 28 Aug 2026 00:00:00 GMT