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Dev.to
7/12/2026
The original title is: "roaster0: An AI App That Roasts Your GitHub Profile Using Gemini's Structured Output"

The original title is: "roaster0: An AI App That Roasts Your GitHub Profile Using Gemini's Structured Output"

Original: roaster0: I Let Gemini Read My GitHub and It Destroyed Me (Then Redeemed Me)

Short summary

roaster0 is an AI web app that uses Gemini 3.5 Flash's structured output and multimodal reasoning to roast GitHub profiles or arbitrary bios/images, then ends with a sincere compliment. The architecture uses React+TypeScript on Netlify with a Cloudflare Worker backend that pre-computes derived signals like 'graveyard count' before sending to Gemini. Includes safety guardrails against roasting protected characteristics.

  • •Uses Gemini 3.5 Flash structured JSON output for reliable roast+toast format
  • •Backend pre-computes derived signals (graveyard count, lazy naming) for targeted jokes
  • •Includes multimodal mode analyzing images alongside text with safety guardrails

Generated with AI, which can make mistakes.

#ai-tools#open-source#product-launch
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