GithubPill

A Claude Code plugin that checks if your project idea already exists on GitHub before you build it.

🟢  No close match
🟡  Adjacent prior art — worth a closer look
🔴  Strong overlap — someone has likely shipped this

Install

Run these inside the Claude Code chat.

/plugin marketplace add suleman-dawood/githubpill
/plugin install githubpill@githubpill

Fully quit and reopen Claude Code so the plugin registers (not /clear, you need to actually close the app process).

Prerequisites

• gh auth login — authenticated GitHub CLI session
• gh ≥ 2.55
• jq ≥ 1.7
• WebSearch tool must be enabled in your Claude Code session
• macOS: brew install bash coreutils (GNU timeout + bash ≥ 4)

Verify:

gh auth status && gh --version && jq --version

Use:

/githubpill I want to build a CLI that previews diffs as a side-by-side TUI

Or just describe an idea naturally in chat:

• "is there already a tool that does X"
• "validate my idea before I start building"

You get a verdict in 60 seconds. If it's 🟡 or 🔴, you can go for a deep search to clone the top candidates and get file-path-cited evidence (~5 min).

Reports land in ./githubpill-reports/YYYY-MM-DD-<slug>.md. One file per idea.

Limitations

• GitHub-only. GitLab, Codeberg, self-hosted forges, and package-registry-only tools are not searched currently.
• Verify before you decide. GithubPill narrows the search; it doesn't replace you making the final call yourself before you commit to a project.

License

MIT :0 <- proof im human