
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.

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

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.

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 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.

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.