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This release is a pre-release and may not be stable for production use.

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A minimal, local-first AI workbench and retrieval-augmented generation (RAG) platform powered by SQLite.


Notice: Pre-Alpha

This package is currently in active pre-alpha development (0.0.0a0). The public API, storage layers, and local-first container runtimes are being actively stabilized.

  • Repository: github.com/mesotron-dev/velites
  • Author: mesotron.dev

Architecture Highlights

  • Hypermedia Frontend: Server-rendered UI using FastAPI, Jinja2, and HTMX, eliminating client-side JavaScript build pipelines and heavy SPA frameworks.
  • Dual In-Process Vector Engine: Leverages SQLite C-extensions directly—sqlite-vector for immediate linear scans and vec1 (IVFADC + OPQ) for scalable approximate nearest neighbor search.
  • Embedded Storage & Caching: Utilizes local database primitives and embedded key-value caching to manage document chunks, scraping caches, and conversational state without external database servers.
  • Minimal Runtime Footprint: Designed around a single-process model packaged on a minimal distroless container base, eliminating background runtime daemons.

Anticipated Use Cases & Applications

  • Privacy-First Document Intelligence: Query local PDF archives, private research notes, and internal documentation entirely in-process, ensuring zero data leaves your local host.
  • Resource-Constrained Environments: Deploy embedded semantic retrieval to lightweight VPS nodes, developer containers, and local edge hardware where multi-container RAG stacks cannot easily run.
  • Semantic Codebase Search: Index repository source trees and API documentation for fast, in-process symbol and context retrieval.
  • Embedded Domain Workbenches: Function as an embeddable vector and hybrid retrieval engine for downstream tools, automated pipelines, and specialized local assistants.

License

Licensed under the Apache License, Version 2.0. See LICENSE for details.

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