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Hermes Agent

Add Vultr Serverless Inference to Nous Research's Hermes Agent: a provider plugin with the live model list, context windows and reasoning efforts.

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Hermes cannot read the model list on its own: GET /v1/models nests limits under each model's inputs and outputs, where Hermes looks for flat fields. The vultr-provider plugin reads it for Hermes.

Set it up

Shell
hermes plugins install https://github.com/vultr/model-provider-hermes.git --enable
hermes chat --provider vultr -m glm-5.3 --reasoning high

The install asks for VULTR_INFERENCE_API_KEY and keeps it in ~/.hermes/.env; a key already in the environment is used as it is. A running Hermes gateway picks up the plugin after hermes gateway restart. The provider is also called vultr-inference.

Pick a model

-m takes a model id, and --reasoning its reasoning effort. An effort the model does not accept is lowered to the nearest one it does, and turning reasoning off sends none unless the model always reasons.

What it maps

  • The model list, with each model's context window.
  • The output limit, where it is below the context window. For most models it is the whole window, and then the server uses whatever the prompt leaves.
  • Reasoning efforts.
  • Not prices: Hermes has no way for a provider to set them.

The list is cached in $HERMES_HOME/cache/vultr-model-catalog.json. With neither the network nor that file the provider still works, without reasoning levels or live context windows.