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GitHub-Stargazers-Alert

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7/31/2025
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README.md

GitHub Stargazers Tracker

Tracks GitHub stars and sends Slack notifications for new stargazers.

Overview

GitHub stargazers are one of the most valuable intent signals for finding qualified leads within developer communities.

It's a great place to find:

  1. prospective customers or
  2. people to hire!

These are people who already care about your solution or your problem area.

If you're not already getting notified of new stargazers for your own repos, or your competitors' repos - you can easily do this today!

[INSERT IMAGE OF WHAT THIS LOOKS LIKE]

Try it!

  • Remix this val, and add your SLACK_WEBHOOK_URL to your environment variables on the left sidebar (Guide)
  • Configure the repos you want to track in cron.ts. It'll auto-run every 15 minutes.

How it works

If you're only interested in getting notified about your own stargazers, you can set up a webhook in GitHub and you'll get an event every time someone new stars your repo.

However, there are 2 major limitations to that:

  1. You can't backfill stargazers from the past - which are incredibly valuable to folks trying to find qualified leads!
  2. You can only set up webhooks for repos that you own
  3. Backfill stargazers from the past insteor to track competitors' repos, it's a little more tricky due to 2 things:
  4. GitHub's stargazer API does not return emails for users out-of-the-box. We work around this by looking up the stargazers' past commits. GitHub commits are associated with emails. It's not technically private, but it is harder to find.
  5. It's hard to get notified about competitors' stargazers because you can't set up webhooks for repos you don't own. GitHub's stargazer API also happens to return stargazers from oldest to newest / FILO. So you want to calculate the last page of results and start from there. You can use crons and blob storage in Val Town to keep track of the stargazer count every 15 mins. When that count changes by X, then go to the last page of stargazers and grab the last X users to get notified.

This val does that. This is a great way to get notified about new stargazers across many repos - regardless of whether you own them or not.

Next Step

  • Enrich this data through Clay and funnel leads within your ICP directly to a #VIP-leads channel
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