Dev Stack
Deno joins Cloudflare; Deno Deploy shuts in six months
The Deno team is joining Cloudflare. Deno Deploy shuts down in six months, the runtime gets a final year of monthly fixes, and JSR moves to Cloudflare.
Cloudflare news and analysis
Cloudflare products built for the AI-agent era: a toggle letting sites block AI training crawlers while staying searchable, an agent-first browser called Kitesurf, and a Gateway feature that detects and blocks Model Context Protocol traffic. Each story gives the numbers behind it.
AI & LLMs
Cloudflare Clef: open-weight models that return decisions
Cloudflare's Clef (27B) and Clef-flash (9B) answer typed questions instead of writing text, at 209 ms and 39 ms median latency, under Apache 2.0.
Coding
IANA explains example.com change, warns off uptime checks
IANA split example.com into HTML plus a JavaScript file to cut bandwidth, says an email published September 30, and warns off using it for uptime checks.
Dev Stack
Cloudflare AI Search goes GA with image search and OCR
Cloudflare AI Search is generally available as of October 1, 2026, with image embeddings, OCR and 10 MiB files. Billing starts November 1.
Dev Stack
Cloudflare splits AI training from search indexing
A Disallow AI Training toggle lets a site refuse training crawlers and stay in search. Mixed-use crawlers are 36.6% of verified crawler traffic.
Dev Stack
Cloudflare's Kitesurf is a browser built for AI agents, not people
Cloudflare built Kitesurf, an agent-first browser that runs in V8 isolates on Workers - 3-7x lighter than Chromium on CPU and memory, free in beta, Playwright-compatible.
Dev Stack
Cloudflare Gateway can now detect and block MCP traffic
Cloudflare Gateway now identifies Model Context Protocol traffic on the wire with a beta is_mcp selector, letting enterprises block AI-agent connections that skip approved portals.
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