Articles on Linda — the in-browser AI agent SDK.https://linda.neullabs.com/en-ushttps://linda.neullabs.com/blog/why-we-built-linda/https://linda.neullabs.com/blog/why-we-built-linda/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://linda.neullabs.com/blog/agent-vfs-pattern/https://linda.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://linda.neullabs.com/blog/browser-side-pdf-qna/https://linda.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 Linda's parsers do it in 1 KB of glue + lazy WASM.Fri, 22 May 2026 00:00:00 GMTprivacyparserspdfbrowserhttps://linda.neullabs.com/blog/multi-agent-checkout-rescue/https://linda.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://linda.neullabs.com/blog/in-browser-agent-stack/https://linda.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://linda.neullabs.com/blog/chrome-extension-per-origin-agents/https://linda.neullabs.com/blog/chrome-extension-per-origin-agents/One Manifest V3 extension, a different Linda 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://linda.neullabs.com/blog/streaming-llm-proxy/https://linda.neullabs.com/blog/streaming-llm-proxy/Why we ship @linda/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://linda.neullabs.com/blog/your-page-as-mcp-server/https://linda.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://linda.neullabs.com/blog/llms-shouldnt-fight-css/https://linda.neullabs.com/blog/llms-shouldnt-fight-css/Why Linda 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