Save 30% token costs when using Claude Code, Codex, OpenCode for free - with open source, local semantic search. Works for small and large codebases and monorepos! Enterprise-ready and fully compliant via Ollama and SQLite-vec.
Latest release v0.0.42 · 11 Aug 2026
3 files for Claude Code, Codex and OpenCode: lumen, lumen AGENTS.md, lumen CLAUDE.md — 2,896 tokens loaded in every session.
AGENTS.md A 259 tok CLAUDE.md A 2,637 tok .claude/settings.json A — These files are ory/lumen's own configuration — they tell Claude Code, Codex and OpenCode how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.