Skip to content

Serverless vector news aggregator

Decibel

running · since August 2, 2026 · Rust, Axum, AWS Lambda, LanceDB, Next.js

A low-noise AI news aggregator for engineers, backed by a dual-tier Rust backend on Lambda and embedded vector search.

VisitSource

A Next.js frontend over a dual-tier Rust backend: a bare-metal Axum Lambda for fast feed queries, and a container Lambda that runs MCP ingestion pipelines with Bedrock embeddings stored in LanceDB.

  • 128 MB Axum Lambda tuned for minimal cold starts
  • Container Lambda executing MCP ingestion with Bedrock
  • Embedded LanceDB with zero-copy local storage and S3 sync

Work