Free, local plugin that keeps tool output out of your coding agent's context window. Sandbox and SQLite FTS5 search, 99% fewer bytes in context. Works with Claude Code, Codex, Pi, OpenCode, Gemini CLI ...
Lua is small, fast and embeddable. It is also easy to outgrow: no static types, no module discipline, no class story. Nebra adds the structure without taking you off Lua. Types are optional, ...