Hermes One is a desktop application for installing, configuring, and chatting with Hermes Agent, an AI assistant that uses tools, memory, skills, scheduling, and messaging integrations. It is for people who want to manage Hermes Agent through a graphical interface, and the catalogue entries support its workflows with skills, hooks, instructions, and settings.
Borrowing it
Nothing to install: this file belongs to fathah/hermes-desktop. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/fathah/hermes-desktop/main/.agents/skills/hermes-agent/SKILL.mdgit clone --depth 1 https://github.com/fathah/hermes-desktopWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/fathah/hermes-desktop/hermes-agent)<a href="https://agentmods.dev/skills/fathah/hermes-desktop/hermes-agent"><img src="https://agentmods.dev/badge/skills/fathah/hermes-desktop/hermes-agent.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00046 | $0.16691 |
| Opus 5 | $0.00023 | $0.08346 |
| Sonnet 5 | $0.00009 | $0.03338 |
| Haiku 4.5 | $0.00005 | $0.01669 |
Grade A, and why
hermes-agent scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 8d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 1,766 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Hermes Agent - Complete Project Guide (A-Z)
Purpose of this document: A single, comprehensive reference that explains everything about the Hermes Agent project — its architecture, source code, features, release history, and design patterns — so that any AI or developer can fully understand the system.
Table of Contents
- Project Overview
- Key Features Summary
- Installation & Getting Started
- Project Structure
- Core Architecture
- CLI System
- Tool System
- 7.1 Terminal Tool (tools/terminal_tool.py)
- 7.2 File Tools (tools/file_tools.py)
- 7.3 Web Tools (tools/web_tools.py)
- 7.4 Browser Tool (tools/browser_tool.py)
- 7.5 Delegate Tool (tools/delegate_tool.py)
- 7.6 MCP Tool (tools/mcp_tool.py)
- 7.7 Approval System (tools/approval.py)
- 7.8 Terminal Backends (tools/environments/)
- Agent Internals
- Messaging Gateway
- Cron Scheduling
- Skills System
- Plugin System
- Memory System
- ACP Server (IDE Integration)
- API Server
- MCP Server Mode
- RL Training Environments
- Profiles (Multi-Instance)
- Security Model
- Provider & Model System
- Streaming & Reasoning
- Release History
- File Dependency Chain
- Key Design Patterns
- Configuration Reference
- Known Pitfalls
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 8d ago First seen · 1,766 lines · 46 tokens per session scan F e8b8eeb212a4
hermes-agent is a skill published in the GitHub repository fathah/hermes-desktop (14,167 stars, last pushed 4d ago), licensed MIT. It adds 46 tokens to every session and 16,691 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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