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A page can pass the WCAG reflow width test and still lose a fixed 82 pixels of vertical reading space at every screen height. This article walks through the measurements that show it and what to do differently.
Session migration preserves useful work context. But auth, hooks, policy, MCP connections, and runtime config stay with the client. The durable answer is to put approval and audit outside the agent harness entirely.
A 200-tool MCP catalog triggered ten list calls and 62,708 bytes before the first user request. The practical response is to budget catalogs now and keep identity standards behind an adapter.
CLAUDE.md, SKILL.md, and subagents solve different reach and lifecycle problems. The boundary that matters is enforcement, and none of them is a control plane.
A 320px reflow pass did not prevent severe vertical reading-space loss at short viewports. The loss was a fixed pixel cost, largely outside the application CSS.
MCP is not the main cost lever for AI agents. A controlled study of seven harnesses and five models, plus measured tool payloads, shows which layer sets cost.
I counted every word in Google's AI features doc: zero hits for opt out, opt-out, or exclude. Why no AI-only exclusion lever exists, and what to do instead.
incidents.json gives the August 2026 spam update a minute-level UTC start. Search Console's join key is a PT date. The join leaves a mixed boundary day.
Platform properties went global on 2026-07-29. Search Console API docs still stop at 2024-07-23, so automated dashboards see Instagram, TikTok, X, YouTube last.
Ten of 33 robots.txt cells let a blocked URL through and Codex clipped the back of a 34 KiB AGENTS.md. All 219 runs exited 0. Which parser gave your verdict?
Seven tooltips, each measured against Dismissible, Hoverable and Persistent separately. Every CSS-only build fails Dismissible; popover="hint" fails Hoverable.
I counted the 138 guides in Chrome's Modern Web Guidance 0.0.180 and probed its search with 22 queries: UI 0.643, accessibility 0.508, structured data 0.267.