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EvanFlow – A TDD driven feedback loop for Claude Code

GitHub - evanklem/evanflow: A TDD-driven iterative feedback loop for software development. 16 cohesive Claude Code skills walk an idea from brainstorm → plan → execute → tdd → iterate, with checkpoints throughout.

github.com

April 27, 2026

9 min read

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51/100

Summary

Evanflow is a TDD-driven iterative feedback loop for software development utilizing 16 cohesive Claude Code skills and 2 custom subagents. Users can initiate the process by saying "let's evanflow this," guiding their idea through brainstorming, planning, execution, test-driven development, iteration, and real checkpoints for design and plan approval.

Key Takeaways

The evanflow framework utilizes a TDD-driven iterative feedback loop that guides software development through brainstorming, planning, execution, testing, and iteration with checkpoints for user approval.
The process includes real-time checkpoints that prevent auto-commits and ensure user control at each stage, including design and plan approvals.
The framework incorporates safeguards against common coding failures, such as context drift and incorrect test assertions, by requiring explicit checks and user input throughout the development cycle.
The evanflow system allows for parallel coding with designated roles for coders and overseers, ensuring integration tests are performed at every touchpoint to maintain interface integrity.

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Coverage & discussions

Hacker News · github.com

EvanFlow – A TDD driven feedback loop for Claude Code ↗

Community discussions

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Analysis ready

Community Sentiment

Mixed

Positives

EvanFlow introduces a structured TDD-driven loop that emphasizes checkpoints for design and planning, enhancing the development process for Claude Code.
The concept of vertical-slice TDD allows developers to focus on minimal implementations, ensuring that each test failure is addressed immediately, which can lead to more robust code.

Concerns

The absence of a refactor step in the TDD flow raises concerns about the quality of the code, as it may lead to technical debt without proper cleanup.
Some users feel that existing tools already perform TDD effectively, questioning the necessity of introducing EvanFlow into the development workflow.