NousResearch/hermes-plugin-claude-subscription-directsdk
Official Nous Research model-provider plugin that drives the Claude Code CLI as a Hermes Agent backend, letting a Claude Pro or Max subscription serve requests without an API key.
Awesome Hermes Plugins › Model Providers
mrhisyammm/hermes-antigravity-auth
This is a Hermes port of an existing OpenCode plugin by the same author, giving Hermes Agent access to Claude Opus 4.6, Claude Sonnet 4.6 and several Gemini 3.x models through Google Antigravity OAuth credentials rather than paid API keys. Installation is a single PowerShell or bash one-liner that downloads, installs and configures the plugin automatically. Unlike similar plugins from other authors that patch Hermes's provider hooks directly, this one runs its own lightweight local proxy server in the background on a fixed port, making it fully self-contained with no other software required. It supports adding multiple Google accounts and rotates between them automatically as requests come in, tracking cooldowns separately per account and per model family, so a rate limit on Claude for one account does not block Gemini requests on that same account. Cooldowns escalate with consecutive failures using exponential backoff, from one minute up to two hours, intended to reduce the chance of triggering Google's own account verification or blocking systems. Account management happens through in-chat slash commands that work in both the terminal CLI and the desktop app: one command opens an interactive menu in a separate terminal window for login, account selection, quota checks and account removal, while two other commands trigger login or print current quota directly into the chat. Model selection otherwise goes through the normal Hermes model-configuration wizard, picking Google Antigravity as the provider. The plugin reads and writes the same accounts database file used by the OpenCode version, so a user already signed in through OpenCode has their accounts available immediately in Hermes, falling back to a Hermes-specific file only when OpenCode is not installed. As with comparable plugins, using any Antigravity proxy breaches Google's terms of service and carries a real risk of account suspension or shadow-banning.
https://github.com/mrhisyammm/hermes-antigravity-auth
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