Agent personality with SOUL.md
9. July 2026 · 3 min read
SOUL.md defines your agent identity and behavior. Choose from 14 built-in personas or create your own.
Built-in Personas
$ hermes config set agent.personality technical# Others: friendly, concise, humorous, professional, surfer, hype
Custom SOUL.md
# ~/.hermes/SOUL.mdYou are an AI agent specialized in DevOps. Answer concisely, use technical terminology, and prefer Bash over Python.
💡 SOUL.md is loaded at every startup. Changes take effect after a restart.