What we’ve learned building cloud agents

kept by eddie may 22

Cursor's cloud agents perform best when given full development environments, durable execution via Temporal, and a harness that shifts control to the agent.

What if you don't need MCP at all?
Many developers argue that CLI tools and direct API calls are simpler and more reliable than MCP for hooking LLMs to external systems.
also on GitHub CLI, Cursor, #ai-coding, #developer-tools
Stacked pull requests are now in public preview - GitHub Changelog
GitHub introduces stacked pull requests in public preview, allowing developers to break large changes into reviewable layers and merge them with a single click via the gh‑stack CLI extension.
also on GitHub CLI, #developer-tools
Temporal: The 9-Year Journey to Fix Time in JavaScript
JavaScript's Temporal API reached Stage 4 after nine years of collaboration among Bloomberg, Igalia, and TC39, providing immutable datetime types with time zone and calendar support.
also on Temporal, #developer-tools
Browser Run: give your agents a browser
Cloudflare renames Browser Rendering to Browser Run, adding Live View, Human in the Loop, CDP access, WebMCP support, session recordings, and 4x higher concurrency for AI agents.
also on Playwright, #cloud-computing, #developer-tools
Introducing Stagehand v4: The SDK for browser agents.
Stagehand v4 moves browser automation state management into a Chrome extension, enabling feature-parity SDKs in TypeScript, Python, and Go by treating the remote browser as the source of truth.
also on Playwright, #automation, #ai-coding, #developer-tools