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
jaeyeopme/antigravity-provider
antigravity-provider registers a Hermes model provider that talks to Google's Antigravity service directly from inside the Hermes process, using only the Python standard library and a client-creation hook added in a recent Hermes release. Signing in either reuses an existing Antigravity command-line credential from the macOS keychain without copying it to disk, or opens a browser for a fresh Google sign-in whose result is saved to the active Hermes profile; a select command then makes Antigravity the default provider and model. The plugin queries both of Antigravity's internal model-listing endpoints, merges the results, and caches the combined catalog for four hours, folding backend-specific model-ID variants, such as suffixes for low, tiered or thinking, into single public models whose Hermes reasoning-effort setting picks the matching variant, so new backend models generally appear automatically without a plugin update. Requests are converted in-process from Hermes's OpenAI-style format to Antigravity's wire protocol, preserving streaming, tool calls and Gemini thought signatures across turns, converting inline image data URLs, and widening JSON-Schema tool definitions to what the backend accepts; provider failures surface as ordinary Hermes provider errors so Hermes's own retry and fallback logic applies unchanged. Expired tokens refresh automatically, including a one-time retry after an authentication failure. All plugin state, including OAuth tokens, the cached model catalog, and the small shim that registers the provider, lives under the active Hermes home directory, scoped per profile. Like other Antigravity bridges, the README warns this is an unofficial integration outside Google's documented clients and that the Google account used may be restricted or lose access, recommending a separate account for this purpose. The project follows a disciplined release process, bumping the version to its merge date and adding a changelog entry in the same pull request for every code change.
https://github.com/jaeyeopme/antigravity-provider
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