Vercel said on March 19, 2026 that it built Chat SDK to remove the platform-specific plumbing that slowed internal agent rollouts. Vercel’s blog describes an open-source public-beta TypeScript library that lets one bot implementation target Slack, Teams, Google Chat, Discord, Telegram, GitHub, Linear, and now WhatsApp through adapters.
OpenUI said rewriting its openui-lang parser from Rust/WASM to TypeScript made one-shot parsing 2.2x-4.6x faster and cut streaming parse cost by up to 3.3x, largely by removing JS-WASM boundary overhead and fixing O(N^2) re-parsing.
Rudel uploads Claude Code transcripts into a dashboard that tracks tokens, duration, abandonment, and sub-agent use, giving teams a way to inspect agent workflows instead of treating them as opaque output streams.