Headless multi-provider LLM agent runtime. Single Go binary, 14+ providers, 70+ extension hooks, zero opinions.
Latest release engine-v1.85.0 — engine v1.85.0 · 10 Sept 2026
1 file for Claude Code, Codex and OpenCode: ion AGENTS.md — 24,178 tokens loaded in every session.
AGENTS.md C 24,178 tok These files are dsswift/ion'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.