Automated Test-Driven Development enforcement plugin for Claude Code that blocks implementation without failing tests.
TDD Guard is a plugin for Claude Code that automatically enforces Test-Driven Development principles during AI-assisted coding. It ensures developers follow the red-green-refactor cycle by blocking implementation without failing tests and preventing over-implementation beyond test requirements. The tool helps maintain disciplined TDD practices when working with AI coding assistants.
Developers using Claude Code who want to maintain strict TDD practices during AI-assisted development, particularly those working with supported test frameworks like Vitest, Jest, Storybook, pytest, PHPUnit, Go, Rust, or RSpec.
TDD Guard provides automated enforcement of TDD principles that prevents AI assistants from skipping tests or over-implementing, ensuring code quality and disciplined development practices. Unlike manual enforcement, it offers consistent, real-time validation that integrates with existing linting rules and supports multiple test frameworks.
Automated TDD enforcement for Claude Code
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Blocks Claude Code from implementing code without corresponding failing tests, ensuring adherence to the red phase of TDD, as highlighted in the README's core features.
Prevents over-implementation by only allowing code that satisfies current test requirements, keeping the codebase lean and focused, per the README's minimal implementation feature.
Automatically enforces refactoring using existing linting rules, streamlining the refactor phase of TDD without additional setup, as described in the lint integration documentation.
Allows adjustment of validation rules to match preferred TDD styles, providing flexibility for different team practices, mentioned in the customizable rules section.
Only compatible with Claude Code, limiting its use for developers relying on other AI coding assistants, a clear restriction from the README's overview.
While it supports several frameworks, the roadmap indicates ongoing expansion, meaning some languages or frameworks may not be fully covered, as seen in the development section.
Requires Node.js 22+ and specific installation steps, including plugin marketplace addition and configuration, which could be cumbersome for quick adoption, based on the getting started guide.