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Cloudflare blog share card for the Cloudflare OS announcement, with the Cloudflare wordmark and an orange line drawing of a laptop, lava lamp, and desk lamp
Web·

Agents that start with access to nothing: Cloudflare open-sourced the agent platform it runs internally

Cloudflare open-sourced Cloudflare OS under Apache 2.0 and shipped Kitesurf, WebMCP, and Wallets the same week. Here's which pieces are GA and which are private beta.

Stainless developer-tools branding, the SDK-generation startup Anthropic acquired.
AI·

Anthropic bought Stainless, the SDK factory OpenAI and Meta also ran on

Anthropic acquired Stainless for a reported $300M and is winding down the hosted SDK generator that OpenAI, Meta, Google, and Cloudflare relied on.

Rows of server racks inside a data center, the kind of infrastructure that runs Starlette-based AI agent endpoints
Security·

One bad Host header bypassed auth in Starlette, the routing core under millions of AI agents

A flaw in Starlette, downloaded 325M times a week, let a single Host-header character bypass path-based auth across FastAPI, vLLM, and MCP servers.

Aisle of dense server racks inside the CERN Computer Center
Web·

Cloudflare rebuilt Browser Run on its own Containers. Concurrency went from 30 to 120.

Cloudflare moved Browser Run off shared isolation infrastructure on May 13. The agentic-coding crowd gets four times the headless-Chrome ceiling and half the latency.

Anthropic announcement card with node shapes on coral background.
AI·

Anthropic bought Stainless, the startup that builds every official SDK for OpenAI and Google.

Anthropic announced May 18 it acquired SDK generator Stainless, reportedly for over $300M. The same toolchain still powers OpenAI's, Google's, and Cloudflare's official clients.

Title card for Boris Cherny's 'Mastering Claude Code in 30 Minutes' Anthropic workshop talk.
AI·

Anthropic just dropped its Claude Code workshop tapes. The playbook is better than the marketing.

Boris Cherny on Claude Code, Applied AI on prompting, Erik Schluntz on vibe coding in prod. Three Code with Claude tapes hit YouTube ahead of the 2026 conference.