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Hermes Agent is an open-source autonomous AI agent with persistent memory and multi-platform support. Connect BetterToken to power it with Claude models.

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Prerequisites

  • BetterToken API Key (register here)
  • macOS, Linux, or Windows WSL2

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Install Hermes Agent

curl -fsSL https://raw.githubusercontent.com/NousResearch/hermes-agent/main/scripts/install.sh | bash
Verify installation: 
hermes doctor

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Setup

1

Run the model selector

hermes model
2

Select the Anthropic provider

From the provider list, choose Anthropic or Anthropic Compatible.
Hermes Agent has no built-in BetterToken option. Select the generic Anthropic-compatible provider and configure a custom base URL.
3

Enter BetterToken config

When prompted:
  • Base URL: https://www.bettertoken.com/v1
  • API Key: your BetterToken API Key
  • Model: claude-sonnet-4-5
4

Start Hermes Agent

hermes

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About persistent memory

Hermes Agent’s memory system saves your coding patterns, project context, and preferences across sessions. The more you use it, the better it understands your workflow.

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Supported models

ModelDescription
claude-sonnet-4-5Balanced — recommended
claude-opus-4-5Most capable — complex agent tasks
claude-haiku-4-5Fastest — high-frequency interactions