A command-line tool for applying mass updates and repetitive refactors across the codebase.

Install

mkdir -p .claude/skills/fastmod && curl -L -o skill.zip "https://agentskills.codes/api/skills/download/4177" && unzip -o skill.zip -d .claude/skills/fastmod && rm skill.zip

Installs to .claude/skills/fastmod

Activation

This is the description your AI agent reads to decide when to run this skill — the better it matches your request, the more reliably it fires.

Use fastmod to make mass code updates to avoid many repetitive changes.
71 charsno explicit “when” trigger
Beginner

Key capabilities

  • Update codebases with repetitive changes
  • Refactor code across multiple files
  • Perform bulk string replacements
  • Automate widespread code changes

How it works

The skill uses the `fastmod` command-line tool to apply a specified regex pattern and replacement string across a codebase.

Inputs & outputs

You give it
A fastmod command with a regex pattern and replacement string
You get back
Codebase with mass updates applied

When to use fastmod

  • Refactoring code across multiple files
  • Updating API patterns globally
  • Performing bulk string replacement

About fastmod

Uses regex-based patterns to perform bulk search-and-replace operations in the codebase. It improves refactoring productivity by automating widespread code changes.

Use fastmod to make mass code updates to avoid many repetitive changes.

How it compares

This automates repetitive code changes across many files, unlike manual, individual file edits.

Compared to similar skills

fastmod side by side with the closest alternatives in the catalog.

SkillInstallsUpdatedSafetyDifficulty
fastmod (this skill)37moReviewBeginner
software-architecture3336moNo flagsIntermediate
oracle172moReviewIntermediate
clojure-write163moNo flagsIntermediate

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Example prompts that trigger this skill in your AI assistant.

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