Factorial CTO endorses Mastra JS as sweet-spot framework for building AI agents
Mastra provides high-level primitives without exposing full framework complexity, enabling rapid iteration on agent architecture with responsive team support.
Factorial CTO says DuckDB 'worked magic' for analytical queries in AI agent loops
Embedding DuckDB in-process allows AI agents to offload complex analytical SQL (joins, aggregations) from LLM context, solving token overflow and reasoning errors while maintainin…
Factorial uses ClickHouse for high-cardinality analytics beyond DuckDB capacity
ClickHouse handles extremely high cardinality datasets (millions of rows) that exceed DuckDB's in-process capacity, serving as the analytical backend for queries with efficient Gr…
Factorial uses Copilot Kit to bridge AI agent actions with browser UI state
Copilot Kit enables shared state between LLM and browser, allowing agents to trigger frontend mutations (popups, form fills) via WebSocket-streamed tool calls.