Open-Source Plugin Brings One-Click Google Login and Quota Tracking to DeepSeek Harness

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Developer grloper has released dsh-claude-oauth, an open-source plugin for the DeepSeek Harness (DSH) agent orchestration platform that eliminates manual authentication steps for Claude Pro and Max subscribers. Previously, users had to run terminal commands, manually edit configuration files, and manage token expiry without any visual feedback. The new plugin adds a native Settings interface supporting one-click Google/Gmail OAuth sign-in, automatic token refresh, and live model discovery. It also displays real-time subscription quota usage across both 5-hour and 7-day windows, along with countdown timers until quota resets. Technically, the plugin handles a Windows-specific localhost IPv4/IPv6 resolution issue by binding dual-stack HTTP listeners on the same ephemeral port to prevent connection failures during the OAuth callback.

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