We present Hayula Core, a self-improving AI agent runtime built from 100% original Python code that replaces Hermes/OpenClaw as the central execution engine of the Hayula Agent OS ecosystem. Unlike existing agent frameworks that wrap monolithic LLM calls in fixed pipelines, Hayula Core introduces a skill-based architecture with 48 registered skills organized across 9 categories, a self-healing cron scheduler with production-proven automatic failure recovery, a four-layer memory system (ephemeral
1@techreport{hayulalab2026hayulacore,
2 title={Hayula Core: A Self-Improving Agent Platform with Skill-Based Architecture and Multi-Layer Memory — Hayula Research},
3 author={Hayula AI Lab},
4 year={2026},
5 url={https://huggingface.co/hayulalab/hayula-core-paper}
6}
