GitHub - suleman-dawood/reporecon: Validate whether your project idea already exists on GitHub before you build it · GitHub
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reporecon
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RepoRecon
A Claude Code plugin that checks if your project idea already exists on GitHub before you build it.
🟢 No close match<br>🟡 Adjacent prior art — worth a closer look<br>🔴 Strong overlap — someone has likely shipped this
Install
Run these inside the Claude Code chat.
/plugin marketplace add suleman-dawood/reporecon<br>/plugin install reporecon@reporecon
Fully quit and reopen Claude Code so the plugin registers (not /clear — actually close the app process).
Prerequisites
gh auth login — authenticated GitHub CLI session (gh CLI docs). Anonymous rate limits will fail preflight.
gh ≥ 2.55
jq ≥ 1.7
WebSearch tool must be enabled in your Claude Code session — RepoRecon aborts the run if it isn't. Silent skips were a 0.1 bug; we'd rather fail loudly.
macOS: brew install bash coreutils (GNU timeout + bash ≥ 4)
Verify:
gh auth status && gh --version && jq --version
Use
/reporecon 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"
"does this exist on github"
You get a verdict in ~90 seconds. If it's 🟡 or 🔴, reply deep search (or yes / dig deeper) to clone the top candidates and get file-path-cited evidence (~10 min).
Reports land in ./reporecon-reports/YYYY-MM-DD-.md. One file per idea.
What you'll see
A chat verdict block like this:
🟡 Some overlap — worth a closer look
Your idea: "side-by-side TUI diff previewer with syntax highlighting"<br>Top match: dandavison/delta (28k★, active) — WORTH_INSPECTING
Reply 'deep search' to clone the top candidates and judge<br>with file-path evidence (~10 min).
Report: ./reporecon-reports/2026-05-27-tui-diff-previewer.md
The on-disk report has the full per-candidate breakdown, axis scores, and — after a deep search — cited evidence by path/file.ext:LINE.
Not triggering?
If /reporecon doesn't seem to do anything after install:
Confirm the plugin shows up: type /plugin in chat
Try the natural-language trigger ("does this exist on github") — bypasses slash-command routing
/plugin uninstall reporecon → /plugin install reporecon@reporecon → fully restart Claude Code (close the app, not /clear)
Limitations
GitHub-only. GitLab, Codeberg, self-hosted forges, and package-registry-only tools are not searched.
WebSearch results drift. Same query on different days can shift the verdict on borderline ideas.
Verify before you decide. RepoRecon narrows the search; it doesn't replace you making the final call yourself before you commit to a project.
License
MIT — see LICENSE.
About
Validate whether your project idea already exists on GitHub before you build it
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License
MIT license
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v0.5.2 — Ready for marketplace submission
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May 27, 2026
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