Articles on Dornick — the in-browser AI agent SDK.https://dornick.neullabs.com/en-ushttps://dornick.neullabs.com/blog/webmcp-both-sides/https://dornick.neullabs.com/blog/webmcp-both-sides/WebMCP is shipping in Chrome and default-on at Shopify. But every implementation so far picks a side — publish tools, or consume them. Here's why both matters, and what it takes.Fri, 04 Sep 2026 00:00:00 GMTwebmcpstandardsagentsbrowsermcphttps://dornick.neullabs.com/blog/why-we-built-dornick/https://dornick.neullabs.com/blog/why-we-built-dornick/We started with a server-side conversational form filler. We ripped it all out and rebuilt as a browser-first agent SDK. The pivot, the bet, and where AI actually lives on the web.Thu, 28 May 2026 00:00:00 GMTproductstoryagentsbrowserhttps://dornick.neullabs.com/blog/agent-vfs-pattern/https://dornick.neullabs.com/blog/agent-vfs-pattern/Why putting everything in the system prompt is the wrong abstraction for modern agents, and how a virtual filesystem solves the problems prompt-stuffing creates. Architectural deep-dive.Mon, 25 May 2026 00:00:00 GMTarchitecturevfsagentsprompt-engineeringhttps://dornick.neullabs.com/blog/browser-side-pdf-qna/https://dornick.neullabs.com/blog/browser-side-pdf-qna/Why we stopped uploading PDFs to servers for AI processing, what the privacy story looks like when files stay in the browser, and how Dornick's parsers do it in 1 KB of glue + lazy WASM.Fri, 22 May 2026 00:00:00 GMTprivacyparserspdfbrowserhttps://dornick.neullabs.com/blog/multi-agent-checkout-rescue/https://dornick.neullabs.com/blog/multi-agent-checkout-rescue/How to build a save-the-sale agent that swaps personas mid-flow on exit intent. The patterns, the triggers, the anti-patterns. Worked example with code.Tue, 19 May 2026 00:00:00 GMTmulti-agentcheckouttriggerspatternshttps://dornick.neullabs.com/blog/in-browser-agent-stack/https://dornick.neullabs.com/blog/in-browser-agent-stack/An honest decision matrix for three popular in-browser AI agent libraries. Different problems, different trade-offs, different bets — and what to pick by use case.Sat, 16 May 2026 00:00:00 GMTcomparisoncopilotkitstagehanddecision-matrixhttps://dornick.neullabs.com/blog/chrome-extension-per-origin-agents/https://dornick.neullabs.com/blog/chrome-extension-per-origin-agents/One Manifest V3 extension, a different Dornick agent on every SaaS — Zendesk, Salesforce, HubSpot, GitHub. The scaffold, the patterns, what passes Chrome Web Store review, and what doesn't.Wed, 13 May 2026 00:00:00 GMTextensionchromemanifest-v3patternshttps://dornick.neullabs.com/blog/streaming-llm-proxy/https://dornick.neullabs.com/blog/streaming-llm-proxy/Why we ship @dornick/server — a minimal SSE proxy that hides your API key without becoming a backend. The streaming-from-zero pattern, the trade-offs, and when it's actually necessary.Sun, 10 May 2026 00:00:00 GMTstreamingproxyserverssehttps://dornick.neullabs.com/blog/your-page-as-mcp-server/https://dornick.neullabs.com/blog/your-page-as-mcp-server/Expose your live browser tab as a Model Context Protocol server so Claude Desktop, Cursor, or Continue can read it directly. The pattern, the code, and the surprisingly useful workflows it unlocks.Thu, 07 May 2026 00:00:00 GMTmcpclaude-desktopinteroppatternshttps://dornick.neullabs.com/blog/llms-shouldnt-fight-css/https://dornick.neullabs.com/blog/llms-shouldnt-fight-css/Why Dornick renders the chat UI into a Shadow DOM, how it stays style-isolated against arbitrary host CSS, and the surprising number of edge cases that this design solves for free.Mon, 04 May 2026 00:00:00 GMTshadow-domcssuiarchitecture