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# TETA+PI Platform > Verified entity registry for Agent Internet. > Create a profile. Add blocks. TETA+PI verifies the rest. ## What it does Any entity — business, journalist, creator, organization — registers a verified profile. TETA+PI automatically structures, categorizes, and verifies it. AI agents discover verified entities through the Intent Graph via MCP. ## Stack - **Frontend:** Next.js 15 · TypeScript · Tailwind CSS - **Backend:** FastAPI · PostgreSQL 16 · pgvector - **Verification:** C2PA · Bitcoin OpenTimestamps - **Protocol:** MCP server · Intent Graph · `/.well-known/agent.json` - **Infrastructure:** DigitalOcean · Nginx · Cloudflare · Full (strict) SSL ## Architecture ``` web/ Next.js 15 frontend api/ routers/ entity · blocks · verification · mcp · endpoint_verification intent_graph/ schema · resolver models/ entity · block · verification mcp/ TypeScript MCP server (HTTP + SSE · port 3002) ``` ## Live tetapi.dev — production deployment ## License MIT © 2026 TETA+PI · tetapi.dev