How to Get Notified When Someone Stars Your GitHub Repo (and Turn That into a Lead)

GitHub sends you a notification when someone comments on your issue, reviews your PR, or mentions your username. It does not send a notification when someone stars your repository. For open-source maintainers and developer tool companies, this is a significant gap — a new star is one of the strongest signals of developer interest, and GitHub gives you no native way to act on it in real time.

Why Star Notifications Matter for Sales

Every new star on your repo is a developer who evaluated your project and decided it was worth bookmarking. For a commercial developer tool, that is a qualified lead: they found you, they understand what you do (at least enough to star it), and they have signaled intent. Without notifications, that lead is invisible — you see the star count go up but have no idea who starred you or when.

For competitor repos, the signal is even more valuable. A developer who stars a direct competitor's repo is actively evaluating alternatives in your category. That list of competitor stargazers is your warmest cold outreach pool — they are already aware of the problem, already looking at solutions, and you know exactly which solution they just considered.

Method 1: GitHub Star Webhook (DIY)

GitHub supports webhooks on the "star" event for repositories you own. In your repo settings, go to Webhooks → Add webhook, set the payload URL to your endpoint, and select the "Star" event. GitHub will POST to your endpoint each time someone stars or un-stars the repo:

// GitHub star webhook payload (abbreviated)
{
  "action": "created",
  "starred_at": "2026-04-30T14:22:01Z",
  "sender": {
    "login": "jsmith",
    "html_url": "https://github.com/jsmith",
    "avatar_url": "https://avatars.githubusercontent.com/u/123456"
  },
  "repository": {
    "full_name": "your-org/your-repo",
    "stargazers_count": 2847
  }
}

The "sender" field gives you the GitHub username. To get their full profile (email, company, bio, location, top languages), you need a second API call to GET /users/{username}. Then you need to store the lead, deduplicate it, and push it somewhere useful. This works but requires building and maintaining infrastructure.

DIY Limitations

• Only works for repos you own — cannot monitor competitor repos via webhooks
• Requires maintaining a webhook endpoint (server, SSL, uptime)
• No built-in enrichment — you must call the GitHub API separately for each stargazer
• No built-in deduplication or CRM push
• GitHub only fires webhooks for repos you have admin access to

Method 2: GitHub Actions (Polling)

You can run a GitHub Action on a schedule to diff the stargazers list and notify you of new ones. This is simpler than a webhook handler but has a minimum latency of however often you schedule it (e.g., every 15 minutes for the minimum GitHub Actions schedule):

# .github/workflows/star-check.yml
name: New Stargazer Alert
on:
  schedule:
    - cron: '*/15 * * * *'  # every 15 minutes

jobs:
  check-stars:
    runs-on: ubuntu-latest
    steps:
      - name: Check new stargazers
        run: |
          PAGE=1
          NEW_STARS=$(curl -s -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
            "https://api.github.com/repos/your-org/your-repo/stargazers?per_page=30&page=${PAGE}" \
            | jq '[.[] | .login]')
          echo "${NEW_STARS}"
          # Compare with stored list, diff, alert on new ones
          # (store previous list in a gist or artifact)

This approach has the same limitation: it only works for your own repos. You cannot use GitHub Actions to monitor stargazers on repos belonging to other organizations.

Method 3: GitLeads (Real-Time, Any Repo)

GitLeads monitors any public GitHub repo for new stargazers in real time — including competitor repos you do not own. When a new star fires, GitLeads enriches the stargazer profile (name, email if public, company, location, bio, top languages, followers) and pushes the lead to wherever you work: HubSpot, Slack, Apollo, Clay, Salesforce, Pipedrive, or any webhook.

• Real-time alerts: leads push within minutes of the star event
• Any public repo: monitor your own repos and competitor repos
• Full enrichment: name, email, company, bio, location, languages, follower count
• Direct push to 15+ sales and outreach tools — no middleware required
• Slack alerts for instant team notifications
• Deduplication: same developer starring multiple tracked repos generates one lead record

What to Do With a New Stargazer

The signal is real-time intent, but the response should not be automated outreach firing seconds after the star. Here is what converts:

1. Check their profile first: look at their bio, company, and pinned repos to qualify the lead before doing anything
2. If qualified, add to a short-touch sequence (not a 10-step drip): two or three emails max, referencing that they starred the repo
3. Use the signal in the first line: "I noticed you starred [repo] — most people who do are evaluating [use case]..."
4. High-followers stargazers (500+) are worth a direct, personalized note — they are often influencers or decision-makers in their org
5. For competitor stargazers: lead with your differentiator, not your feature list — they already know the category

Related: how to find leads on GitHub, turn GitHub stargazers into leads, competitor repo stargazers as leads, GitHub signal monitoring, push GitHub leads to Slack.