news
You Can't Test Your AI Agent. None of the SDKs Care.
Three agent SDKs shipped in April 2026. All three let you build agents. None let you test them. The non-determinism problem nobody wants to solve — and what to do about it right now.
guide
How to Test Your AI Agent: Tool-Call Assertions Instead of Vibes
Your agent SDK shipped zero test utilities. Here's a 60-line Python harness that tests what your agent does, not what it says.
news
How to Test MCP Servers When the Protocol Won't Help You
A practical guide to testing MCP server connections today — wrapper tests, contract validation, health monitoring, and failure injection — with the tools the spec refuses to provide.
news
Green CI Is a Lie Now: When AI Writes Both the Code and the Tests
Every major coding tool now runs write-test-fix loops autonomously. Green CI no longer proves your code works.