Code Fix Tool

Automates code repair by generating patches and diffs for common languages, helping developers fix errors faster and integrate fixes into reviews and CI.

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About This Tool

The tool analyzes source code to identify common defects and non-idiomatic patterns. It produces patches and unified diffs that can be reviewed and applied in version control. This accelerates triage for developers, reviewers, and CI engineers by providing concrete repair candidates rather than only error messages. The approach is language-aware, leveraging language grammars and style guides to ensure patches align with established conventions. The tool operates conceptually as a translator: from a detected issue to a minimal, correct patch, with a rationale for the suggested change. It benefits teams dealing with legacy code, multi-language repositories, and frequent lint or syntax violations. The value lies in reducing manual patching time, increasing patch consistency, and supporting automated code review workflows. Core features include input validation, patch generation, diff export, and a confidence score that helps reviewers prioritize fixes. Use cases range from quick syntax fixes in pull requests to suggested refactors for maintainability and CI-ready patches for automated testing pipelines. Unique value comes from AST-based analysis, rule-driven patch templates, and integration-ready outputs that respect widely used coding standards.

How to Use

  1. Provide inputs: code_snippet, language, and error_type.
  2. Optionally configure fix_level and generate_tests.
  3. Run the automated patch generation.
  4. Review patched_code and diff.
  5. Export patch for CI integration.
How to use code fix tool

Frequently Asked Questions

Find Quick Answers

What languages are supported?
Currently supported languages are Python, JavaScript, and Java, with planned expansion to TypeScript and Go. The tool uses language grammars to generate precise patches and respects language-specific conventions.
Does the tool execute code or run tests?
No. The tool only generates patches and diffs. It does not execute code or run tests. Users must validate patches in their local environment or CI pipeline.
How is patch quality determined?
Patch quality combines rule compliance, context awareness, and historical success data. Each patch receives a confidence score, and reviewers can inspect the corresponding diff and rationale.
Can patches be exported for CI?
Yes. Patches are produced as unified diffs and can be exported as patch files for direct application in version control or CI pipelines.

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