Deploy Hermes Agent (Slim) — Cheapest Self-Improving AI Agent
Memory-efficient self-hosted Hermes AI agent, self-improving, 24/7
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Deploy and Host Hermes Agent (Slim) on Railway
Hermes is a self-improving AI agent by Nous Research that connects to your messaging channels, learns from every interaction, creates its own skills, and gets more capable over time. This Slim template runs it headless — CLI plus an always-on messaging gateway, no web UI — for the smallest possible footprint (~112 MB RAM).

About Hosting Hermes Agent (Slim)
The Slim variant keeps an always-on hermes gateway answering Telegram, Discord, and
Slack around the clock, while persisting skills, memories, and sessions automatically
so they survive redeploys. It ships no dashboard, no Node, and no headless browser
— just the agent and its gateway, tuned to idle around ~112 MB. Because Railway
bills by GB-hour of memory, a leaner agent means a lower monthly bill for the
same self-improving agent. Storage, persistence, and low-memory tuning are handled for
you — you only bring an LLM key.
Why Deploy Hermes Agent (Slim) on Railway?
Railway charges for the RAM you use, and this variant is built to use as little as possible:
| this template (slim) | typical Hermes template | browser-bundled template | |
|---|---|---|---|
| Steady RAM | ~112 MB | ~300–500 MB | 1–4 GB |
| Web dashboard | none (CLI) | yes | yes |
| Node / Playwright / Chromium | none | sometimes | yes |
- Lowest RAM, lowest bill — the leanest way to keep a Hermes agent online 24/7.
- Self-improving — agent-curated memory, autonomous skill creation, cron jobs.
- Multi-channel — Telegram, Discord, Slack, and more.
- Your keys, your data — nothing is bundled and no credentials ship with the template.
Common Use Cases
- A 24/7 personal assistant on Telegram or Discord that remembers context and improves over time.
- A self-improving ops/support bot that builds its own skills from real tasks.
- A cost-sensitive always-on agent where minimizing Railway memory spend matters.
Dependencies for Hermes Agent (Slim) Hosting
All you provide is an LLM: set an API-key variable (OPENAI_API_KEY,
OPENROUTER_API_KEY, ANTHROPIC_API_KEY, …) on deploy, or sign in with a ChatGPT /
Codex subscription afterward. Optionally add a Telegram, Discord, or Slack bot token to
bring a channel online.
Deployment Dependencies
- Hermes Agent — open source by Nous Research; built from upstream source.
Prefer a point-and-click web dashboard? Deploy the Full variant — the first-party Nous dashboard, built from source — also on this marketplace.
Template Content
