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MCP elicitation no longer holds a stream
MCP elicitation returns input_required so the Worker request ends. Claude Code shows the form, retries the call, and the isolate is not held while you type.
Isolate sharing is a Spectre channel on Workers
Workers Spectre is isolate sharing on the edge. A JWT in neighbor heap leaked at 12 bit/s in production. Keep secrets on env rather than module scope.
Kitesurf is the Dynamic Workers follow-up
Cloudflare Kitesurf is Dynamic Workers for browse. 3-7x less CPU and memory than Chromium. Keep Playwright. Give up looking like a person on the open web.
Dynamic Workers are the first runtime that matches how agents write code
Dynamic Workers match Code Mode writing, not Linux coding agents. Capability bindings, the globalOutbound footgun, and when microVMs like E2B still win.
Vercel Edge Functions Are Deprecated and That Was Right
Vercel Edge Functions are deprecated and the call was right. What changed, why round trips now cost more than queries, and what still belongs at the edge.