FactDb implements the Event Clock concept - capturing organizational reasoning through temporal facts with validity periods (valid_at/invalid_at), entity resolution, and audit trails back to source content. Built on PostgreSQL with pgvector support for semantic search.

A collection of utilities and enhancements for Rails applications including database optimizations, background processing helpers, and developer tools.

Under development. Contributors welcome.

Add semantic search and AI-powered chat to any ActiveRecord model. Uses pgvector for vector storage, OpenAI for embeddings, and your existing PostgreSQL database.

Rails AI Kit provides AI building blocks for Rails apps: embeddings (OpenAI, Cohere), vector-based classification, similarity search, and generators. Start with the Classifier feature; more capabilities as the gem grows.

MCP server that indexes codebases using AST-aware chunking and vector embeddings, providing semantic search for Claude Code and other MCP clients.