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Hermes

Ready-made agentsIntermediate4 min

Run Hermes Agent on Zukko models, billed from your balance.

You need: a fetch_... key (create one) and a balance from $1 (top up).

Leave the chat (Ctrl+C or /quit) and start the wizard:

bash
hermes model

Pick one of the two options. Codex CLI and Claude Code OAuth are subscriptions and don't work with Zukko.

1Option 1: Anthropic

  1. Anthropic → API key → paste fetch_....
  2. Model: claude-sonnet-5.
  3. In ~/.hermes/config.yaml, the address goes without /v1:
yaml
model:
  provider: anthropic
  default: claude-sonnet-5
  base_url: https://api.zukko.pro

The key is in ~/.hermes/.env: ANTHROPIC_API_KEY=fetch_....

2Option 2: OpenAI

Works with any model, not just Claude.

  1. OpenAI → direct OpenAI API → paste fetch_....
  2. Model: claude-sonnet-5 or gpt-5.6-sol.
  3. In ~/.hermes/.env, the address goes with /v1:
bash
OPENAI_API_KEY=fetch_...
OPENAI_BASE_URL=https://api.zukko.pro/v1

Or in ~/.hermes/config.yaml:

yaml
model:
  provider: openai-api
  default: claude-sonnet-5
  base_url: https://api.zukko.pro/v1

Run hermes and type "Hi". Switch models in chat with /model.

3If it doesn't work

What you seeWhat to do
401Check the fetch_... key, no spaces
402Top up
404 with AnthropicRemove /v1 from base_url
OpenAI option goes elsewhereAddress https://api.zukko.pro/v1, provider openai-api
404 model_not_found or 503 model_disabledPick a model from the list
Hermes · Zukko Docs