Headless multi-provider LLM agent runtime. Single Go binary, 14+ providers, 70+ extension hooks, zero opinions.
Latest release engine-v3.2.3 — engine v3.2.3 · 25 Oct 2026
1 file for Codex and OpenCode: ion AGENTS.md — 3,942 tokens loaded in every session.
AGENTS.md A 3,942 tok These files are dsswift/ion's own configuration — they tell 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.