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On October 27, 2026, Uncle Bob (Robert C. Martin), author of Clean Code, open-sourced the Skills "ub-mode", organizing Clean Code and TDD discipline into a three-stage process for coding agents: first get the change working, then get it right using CRAP, structural duplication, and mutation testing, and finally wrap up with logs, small commits, and context hygiene. The second stage comes with tool gates such as crapper, dryer, and mutator; for example, CRAP must be below 10, and structural duplication reaching 0.8 must be eliminated. There is also uml-viewer for viewing components, coverage, CRAP, mutation scores, and dependency direction. Currently this news is reported by a single source, with no further developments yet.
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Uncle Bob open-sources ub-mode Skills, setting three disciplines for coding agentsDevelopments
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- Source:Shao Meng
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Oct 27
Shao Meng
Uncle Bob open-sources ub-mode Skills, setting three disciplines for coding agents
Uncle Bob, author of Clean Code, has open-sourced Skills "ub-mode", organizing Clean Code and TDD discipline into a three-stage workflow for coding agents: first make the change run, then make it right using CRAP, structural duplication, and mutation testing, and finally wrap up with logging, small commits, and context hygiene. The second stage comes with tool gates such as crapper, dryer, and mutator; for example, CRAP must be below 10, and structural duplication reaching 0.8 must be eliminated. There is also uml-viewer for viewing components, coverage, CRAP, mutation scores, and dependency direction.