---
title: "Styx"
section: experiments
description: "Styx is a library of eight agent souls plus a toolbox of skills for Hermes, Claude Code, or any LLM that takes a system prompt. It installs into ~/.hermes/styx or souls can be pasted into another runtime."
tags: ["agent-souls", "llm-agents", "system-prompts", "claude-code", "hermes", "open-source"]
published: 2026-09-20T05:09:57Z
updated: 2026-09-20T05:09:57Z
cid: bafkreifi5bxx4sk3o2cxjvusiy67sn2zxhn4vjcmz3cf34tow4ul43haru
html: https://iammatthias.com/experiments/1789407119000-styx
---

# Styx

[REPO](https://github.com/iammatthias/styx)

A library of agent souls and skills for Hermes, Claude Code, or any LLM that takes a system prompt. Eight crew souls plus a toolbox of skills. Install into ~/.hermes/styx or paste a soul into another runtime.

---

## Related

- [Buddydex](https://iammatthias.com/experiments/1789660275000-buddydex.md): BuddyDex brute-forces the deterministic hashing pipeline behind Claude Code's short-lived April Fools' buddies, finding account ids that produce a desired species, rarity, stats, or shiny status.
- [Intern](https://iammatthias.com/experiments/1789407081000-intern.md): Bootstrap for the Autonomous Intern, an agentic Raspberry Pi project running Hermes with Caddy, Tailscale, and a HAL-driven LED ring, plus optional Rabbit R1 support and a single idempotent setup script.
- [Intern](https://iammatthias.com/posts/1781835006151-intern.md): The Autonomous Intern ships as a Raspberry Pi 5 in a desk-toy case running a stack I didn't pick. I flashed it to Debian Trixie, swapped the whole thing for the Hermes agent with its own built-in memory, and folded it all into one setup script.
- [Phosphene](https://iammatthias.com/art/1781816428977-phosphene.md): A camera that turns each photo into a poem, then paints a new image from those words.
- [I Got a Common Turtle](https://iammatthias.com/posts/1775137360175-i-got-a-common-turtle.md): I got a Common turtle from Claude Code's deterministic buddy system, so I brute-forced the generation algorithm.
- [Replacing a Rabbit's Brain: Connecting the R1 to Hermes](https://iammatthias.com/posts/1775069974473-replacing-rabbit-s-brain-connecting-a-rabbit-r1-to-hermes.md): I replaced the OpenClaw agent on my R1 with Hermes, running locally on a MacBook Pro.