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Echoe

A grounded multimodal memory platform that transforms personal photos, audio, and stories into a searchable, evidence-backed archive.
Domain
AI & MULTIMODAL MEMORY
Echoe interface preview
Project

An evidence-grounded AI system for preserving and exploring personal memories.

Echoe transforms photos, audio, and stories into structured memories that can be explored through contextual AI interactions and source evidence.

Architected and built the full-stack system across multimodal ingestion, AI processing, persistence, retrieval, source evidence, and the conversational interface.

Next.jsNestJSPostgreSQLSupabase StorageOpenAI
Multimodal Ingestion

Processes photos, audio, and written stories into structured memory records while preserving their original sources.

Grounded Memory Agent

Provides contextual retrieval across memories, people, places, timelines, and source evidence.

Memory Review

Connects generated memories to their sources through confidence, draft, review, and approval workflows.

Stack
  • TypeScript
  • Next.js
  • React
  • NestJS
  • PostgreSQL
  • OpenAI
  • Supabase
  • Tailwind CSS