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credo

Run Credo static analysis to detect and fix Elixir code quality issues.

1|Updated May 7, 2026
Search Tags:#code quality#static analysis#linting#elixir#credo#mix#automated fixing
One-click install
npx skills add https://github.com/agoodway/GoodSkills --skill credo
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: credo
Source: https://github.com/agoodway/GoodSkills/tree/main/skills/credo
Command: npx skills add https://github.com/agoodway/GoodSkills --skill credo

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Credo static analysis helps you catch code quality problems in Elixir early, but manually running, interpreting, and fixing issues can be slow and error-prone.

Core Features & Use Cases

  • Run strict Credo checks: Execute Credo with --strict to surface consistency, design, readability, refactor, and warning issues.
  • Report actionable results: Summarize issue counts and list each issue with file and line context.
  • Fix detected issues: Auto-fix style/readability/refactor issues where safe, then re-verify with a clean strict run.

Quick Start

Run the Credo strict check and fix mode by asking for: "Use the credo skill to fix all Credo warnings and verify the project passes mix credo --strict."

Frequently Asked Questions about credo

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I fix Credo warnings in an Elixir project?▼

Run Credo with `mix credo --strict` to detect Elixir code quality issues, parse JSON output to group warnings by file and line, apply targeted auto-fixes per issue category, and re-run strict verification to confirm a clean pass.

What is the best way to run strict static analysis for Elixir code quality?▼

Strict static analysis for Elixir code quality uses Credo to surface consistency, design, readability, refactor, and warning issues, reporting grouped results with file and line context for actionable remediation.

Can Credo automatically fix readability and refactor issues in Elixir?▼

Credo can auto-fix style, readability, and refactor issues in Elixir where safe, applying targeted fixes per issue category and re-verifying the project with a clean strict run.

How do I check for Elixir code quality issues before deploying?▼

Execute `mix credo --strict` to surface code quality problems across consistency, design, readability, refactor, and warning categories, summarizing issue counts and listing each with file and line context.

Does automated Credo fixing require parsing JSON output?▼

Automated Credo fixing requires parsing JSON output to group detected issues by file and line, enabling targeted fixes per issue category followed by a strict verification re-run.

Why does mix credo --strict report issues that regular checks miss?▼

Mix credo --strict surfaces consistency, design, readability, refactor, and warning issues that regular checks omit, providing a comprehensive summary of issue counts with file and line context for remediation.

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