Sermon Intelligence

Generate descriptions, YouTube chapters, and social clips from a sermon transcript.

Free tool: sermonintelligence.com

Built by Overflow Creative for churches. Paste in a transcript or upload a Premiere, DaVinci Resolve, SRT, or WebVTT export to get YouTube titles, a description, timestamped chapters, and suggested social clip ranges. Accepted files are .txt, .srt, and .vtt.

Stack

Next.js, TypeScript, Tailwind, and the Vercel AI SDK on Gemini.

Environment variables

Set GOOGLE_GENERATIVE_AI_API_KEY (a Google Generative AI / Gemini API key) in .env.local before running the app. The API route needs it to reach Gemini.

GOOGLE_GENERATIVE_AI_API_KEY=your-key-here

Running locally

npm ci
npm run dev

Open http://localhost:3000.

Use Node.js 24 to match CI. The configured model is gemini-3.5-flash-lite.

Validation

npm test
npm run lint
npm run build

Maintenance and implementation notes live in docs/agents.