What is mutation testing in this context?

Fix Hard uses mutation testing to find 'fake' test coverage where tests pass but don't actually verify behavior. It then spawns a mutation-fixer agent to strengthen your test assertions.

Will it blindly delete my suppression comments?

No. It performs an Intelligent Suppression Audit which classifies comments as Evasion, Legitimate, or Unknown. It only removes 'Evasion' suppressions after fixing the underlying code issue.

Is it safe to run on large monorepos?

Yes. Fix Hard is monorepo-aware and includes a performance cache that checks file hashes to skip unchanged code, ensuring efficiency even in large workspaces.

Which programming languages does it support?

It provides first-class support for TypeScript, JavaScript, Python, Go, and Rust, automatically detecting the project stack via configuration files like package.json or pyproject.toml.

How does Fix Hard differ from standard linting?

Fix Hard treats every warning and suppression as a critical failure. While standard linters just report issues, Fix Hard uses specialized AI agents to refactor the code and remove the root cause of the warnings.

Fix Hard: Zero-Tolerance Quality Enforcer

Name: Fix Hard: Zero-Tolerance Quality Enforcer
Author: Ankurjain1121

byAnkurjain1121

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Security & Testing

Enforces absolute code quality by automatically fixing all linting, typing, and security issues across your entire project.

Fix Hard is a high-intensity code maintenance skill designed for developers who refuse to compromise on code health. Unlike standard fixers, it adopts a zero-mercy approach to technical debt, systematically eliminating suppression comments, resolving complex type errors, and purging security vulnerabilities. By orchestrating specialized parallel agents across various stacks—including TypeScript, Python, Go, and Rust—it performs deep audits such as mutation testing and security scans to ensure your codebase is truly production-ready and free of hidden shortcuts.

Key Features

010 GitHub stars

02Mutation testing to detect and fix weak test suites that lack meaningful assertions.

03Intelligent suppression audit that classifies and resolves lazy @ts-ignore or noqa comments.

04Parallel agent orchestration to fix types, imports, linting, and formatting simultaneously.

05Deep security scanning for OWASP vulnerabilities, hardcoded secrets, and supply-chain issues.

06Comprehensive multi-stack support for TypeScript, JavaScript, Python, Go, and Rust.

Use Cases

01Hardening a codebase before a major production release to ensure zero warnings or security flaws.

02Cleaning up legacy projects by removing accumulated technical debt and suppression comments.

03Standardizing quality across large monorepos using integrated Turbo, Nx, or Pnpm support.

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add ankurjain1121/dev-workflow-skills fix-hard

For use in Claude.ai and ChatGPT

Download Skill