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roaster0 analyzes your GitHub repos, commit habits, and coding choices — or any name, bio, link, or photo you feed it — to deliver a savage, hyper-specific AI roast using Gemini. Then it redeems you with The Toast: one sincere compliment, earned from your real data.
Hey Product Hunt 👋
Here's the honest origin story: my friends roast me constantly, and I never have a comeback ready in time. The perfect line always shows up in the shower, ten minutes too late. So instead of getting better at trash talk, I did what any developer would do — I outsourced my revenge to an AI.
Turns out the best target practice isn't people, it's GitHub profiles. Your GitHub is basically a diary you didn't know you were writing: the eleven repos with no description, the `final-v2-FINAL` commit, the side project you lived and breathed for three weeks before abandoning it. So I built roaster0 to read that diary out loud — and roast you for it.
**The problem I was actually solving:** most "AI roast" tools online just generate generic insults from a name. I wanted every single line to trace back to something *real* — an actual repo name, an actual commit pattern, an actual bio you wrote. If it can't be true, it doesn't make the cut.
**How the approach evolved:**
- Started as GitHub-only, but quickly realized plenty of people don't have (or want to share) a GitHub — so I added **Roast Anything**, which uses Gemini's multimodal input to roast a name, bio, links, or photos instead.
- The first version was roast-only, and it felt mean without a point. Adding **The Toast** — one sincere, earned compliment at the end, pulled from the same real data — changed the whole feel of the product. Now it's not just an insult generator, it's an arc.
- Structured JSON output from Gemini (instead of parsing freeform text) was the single biggest reliability fix — it's what let me guarantee a consistent roast + toast shape every single time instead of occasionally breaking.
**What's next:** I'm actively working on tightening the safety guardrails around Roast Anything (especially anything involving real people's photos), and thinking about a "roast battle" mode where two profiles get compared head-to-head.
Would genuinely love to hear what you'd want roasted — try it on your own GitHub first, that's always the funniest test. 🔥
— Nandan
Would love to see a "roast history" page so you can revisit old burns and see if your habits actually changed over time. Could even let you share a card of your best roast with friends.
Honestly the redemption arc built into the roast is such a clever touch, like the data-driven compliment at the end actually feels earned instead of tacked on. Also love that it pulls from real commit history rather than just vibes.
would love a way to save or share roasts, right now i just get the output and lose it. maybe a sharable card or a public profile link that shows your toast vs roast ratio over time
Love the roast-then-toast twist, the Gemini bit makes it feel way more personal than the usual "git blame yourself" tools. One thing that would make me share it more: a way to save the roasts as shareable image cards, since right now I'd just screenshot a wall of text. Bonus if it could auto-generate a little mock profile page with the worst line as the headline.
About roaster0 on Product Hunt
“The AI that roasts your GitHub, then means it”
roaster0 was submitted on Product Hunt and earned 6 upvotes and 5 comments, placing #160 on the daily leaderboard. roaster0 analyzes your GitHub repos, commit habits, and coding choices — or any name, bio, link, or photo you feed it — to deliver a savage, hyper-specific AI roast using Gemini. Then it redeems you with The Toast: one sincere compliment, earned from your real data.
roaster0 was featured in Developer Tools (516.2k followers), Artificial Intelligence (474.1k followers) and GitHub (41.3k followers) on Product Hunt. Together, these topics include over 210.1k products, making this a competitive space to launch in.
Who hunted roaster0?
roaster0 was hunted by Nandan Das. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Nandan Das