Reddit Radar

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  reddit radar render web view

Inspiration

I kept hearing smart people like Brad Feld, Evan Kimbrell, and Ash Maurya say the same thing over and over: "Validate demand first." Don't build something nobody wants. Find proof people are already paying for solutions like yours. Reddit is full of real founders sharing "I just got my first paying customer!" or "Hit $1k/month!" But it's hard to find those gems in all the noise. So I built a simple tool to scan Reddit automatically and pull out the winning ideas with real paying users. What it does Reddit Radar watches certain subreddits for posts where people admit they got real money from customers. It shows you a clean list of side projects that already have paying users—ideas proven to work. You get descriptions, links, and quick insights like "people pay to save time or feel better about themselves." It's like having a radar that spots business gold fast—no guessing.

How we built it

Used Composio to safely connect to Reddit and grab posts. Used Google's Gemini (smart AI) to read posts and pick only the real paying-customer ones. Stored the good ones in a simple file (YAML). Made a clean dashboard with Streamlit so anyone can see the results. Put it live on Render. All in one day—simple stack, fast results.

Challenges we ran into

Reddit has rules and limits—had to set it up carefully so it doesn't break. AI sometimes grabs junk posts—had to tune it to focus only on real money proof. Time was short—focused on the most important part: showing validated ideas.

Accomplishments that we're proud of

Found 20+ real side projects with paying customers in under 90 minutes. Built a working "autonomous agent" that scans on its own (refreshes every few hours). Used sponsor tools perfectly (Composio, Gemini, Render) to make it real fast. Proved the big idea: validate demand first, using real Reddit data.

What we learned

Reddit is a treasure chest for real business proof—founders share wins honestly. Simple tools + smart AI = powerful results without complexity. The experts are right: check if people pay before you build big. Hackathons are great for shipping fast and learning what matters.

What's next for Reddit Radar

Watch more places (like X/Twitter). Add alerts so you get notified of new wins. Pull in more info (like who the founder is via You.com). Let users vote on ideas to make the AI smarter over time. Turn it into something people pay for—validated leads for founders and investors.

Built With

• composio
• deepmind
• gemini
• python
• render
• streamlit