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Updated 6mo ago

by iagochavarry

who-built-this-before-me

A Claude skill that checks whether your idea already exists before you build it.

Works with
  • Claude
View on GitHub (opens in a new tab)

76 GitHub stars (76)

+1 in 16 days

Stars gained per day · daily snapshots since Sep 30
Stars gained per day, Sep 30 to Oct 16: +1 in total; the busiest day was Oct 12 with +1 stars.Oct 1: 0 starsOct 2: 0 starsOct 3: 0 starsOct 4: 0 starsOct 5: 0 starsOct 6: 0 starsOct 7: 0 starsOct 8: 0 starsOct 9: 0 starsOct 10: 0 starsOct 11: 0 starsOct 12: +1 starsOct 13: 0 starsOct 14: 0 starsOct 15: 0 starsOct 16: 0 stars
Stars gained between daily snapshots
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  • 1 skill (1 skills found in its SKILL.md files)
  • 9 forks (9 forks)
  • 6mo ago last update (Last updated 6mo ago)

Install

Skills CLI

npx skills add iagochavarry/who-built-this-before-me

Asks which agents to install it for. Add -g to install it for every project.

Claude Code

git clone https://github.com/iagochavarry/who-built-this-before-mecp -r "who-built-this-before-me" ~/.claude/skills/who-built-this-before-me

Copies the who-built-this-before-me skill into ~/.claude/skills/ for every project (use .claude/skills/ for one project).

Plugin

/plugin marketplace add iagochavarry/who-built-this-before-me

Run inside Claude Code if the repository ships a plugin marketplace, then pick plugins from /plugin.

Skills can run code on your machine — read the SKILL.md first.

What it does

In the author's own words, from each skill's SKILL.md.

  • who-built-this-before-me

    Check whether a project, tool, library, or product idea has already been built before the user invests time in it. Find existing solutions, extract standard patterns, benchmark the user's angle against prior art, and deliver a clear verdict (build / fork / contribute / use existing / investigate why it failed). Use this skill whenever the user describes something they're thinking of building, mak…

    SKILL.md on GitHub (opens in a new tab)

Review before you install

A skill is a set of instructions and scripts your agent will follow, and it can run code on your machine. Read the SKILL.md and any scripts first — this listing is not a security review.