A typed language for LLM agent systems on BEAM: effect-row tracking, auditable tool effects, typed actors, and OTP supervision, queryable by agents over MCP.
Latest release v0.3.0 · 3 Sept 2026
2 files for Codex, OpenCode and Claude Code: hird AGENTS.md, hird CLAUDE.md — 1,667 tokens loaded in every session.
AGENTS.md A 1,662 tok CLAUDE.md A 5 tok These files are no-materials/hird's own configuration — they tell Codex, OpenCode and Claude Code 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.