Mastra Code – AI coding agent with lossless context compression

Summary: Mastra Code is a CLI-based coding agent that uses observational memory to compress context without losing important details, enabling long-running coding sessions without degradation. It eliminates the common issue of context window compaction that causes loss of key information, allowing developers to maintain precision and continuity throughout their work.

What it does

Mastra Code monitors coding conversations, generates observations, and reflects on them to compress context while preserving essential information. It runs directly in the terminal without requiring a browser or IDE plugin, maintaining performance even in sessions with very large context windows.

Who it's for

It is designed for developers who rely on coding agents for planning, brainstorming, coding, and debugging, especially those who experience issues with context loss during extended sessions.

Why it matters

Mastra Code solves the problem of context compaction in coding agents that leads to dropped details and repeated explanations, enabling uninterrupted, precise workflows over long periods.