Test Double Coffee Time:  AI Harnesses @TestDouble
Test Double Coffee Time:  AI Harnesses  @TestDouble
Uploaded April 2026 | Updated September 2026, 2 weeks ago
AI harnesses: Let's discuss
Test Double senior software developers share their own AI approaches and workflows. They also discuss why constraints are so important for better agentic coding outcomes. It's the taste, judgment, and constraints you encode into the system that shapes what AI produces.

Featuring River Lynn Bailey, A.J. Hekman, Dave Mosher, Rick Reilly, and Jed Schneider.

Find out more about Test Double at link.testdouble.com/coffee-time-about-test-double.

Resource links:
- Sign up for the Test Double newsletter at link.testdouble.com/5ca88d
- Request no-strings attached 1:1 office hours with a Test Double developer or product manager: link.testdouble.com/5cad8d
- Dave’s blog Quality you can't generate: link.testdouble.com/f32d38
- Research Plan Implement from HumanLayer: incompleteideas.net/IncIdeas/BitterLesson.html
- obra/superpowers: github.com/obra/superpowers
- The Bitter Lesson by Rich Sutton: incompleteideas.net/IncIdeas/BitterLesson.html.
- Rick’s blog Red-Green-Refactor your context: link.testdouble.com/228d55.
- River’s Ralph loop repo on GitHub: github.com/mxriverlynn/pr9k.
- Ouroboros plugin: github.com/Q00/ouroboros
- Superpowers Plugin: github.com/obra/superpowers.
- Joé Dupuis' blog Get in the Box: link.testdouble.com/55174b.
- Align on AI focus areas and get traction with AI workflows: link.testdouble.com/get-ai-traction
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Test Double Coffee Time: AI Harnesses

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