The unglamorous contract — idempotency keys, server-side dedup, safe retries, and typed errors — that decides whether an agent-native product survives production. With TypeScript patterns and a real MCP server as the worked example.
Five releases from July 28–August 1: Kimi K3 open weights on HuggingFace, MCP 2026-07-28 stateless spec, OfficeCLI for agents, GLM-5.2 comparison, and VS Code Copilot updates.
Recap for July 28–31: GPT-5.6's cost-efficiency push, Gemini Robotics 2, GitHub stacked PRs preview, the 2x-not-10x LLM debate, and Kedge's SQLite-first infra bet.
The unglamorous contract — idempotency keys, server-side dedup, safe retries, and typed errors — that decides whether an agent-native product survives production. With TypeScript p...