AI Weekly: Free Web Tools, MCP Production Wins, Trusted-Compute Models (April 30–May 6, 2026)

This week pushed three concrete lines forward at once. Vercel open-sourced an AI security harness, TinyFish made paid web search and fetch APIs free for AI agents, and Jama Software shipped the first Model Context Protocol server for engineering management. Underneath that, Z.ai's GLM-5.1 went live