GBrain Tools GBrain Tools is a team workspace that lets you connect apps like Gmail, Calendar, Drive and Stripe once through standard authentication. Credentials stay on GBrain and never reach any model. A single MCP endpoint plus CLI then plugs those tools into ChatGPT, Claude, Claude Code, Cursor, Codex, Hermes, OpenClaw and the terminal, with per-AI scoped permissions, daily spend limits, expirations, activity logs and the ability to revoke access.
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“Yup, saves us at least an hour each time we hook up to a new harness.”
“When @garrytan, Jamie, and I spun up a new GBrain, most of our time was spent copying & pasting API keys & passwords into our agents. With GBrain Tools we connect our apps once, then when we spin up new agents, we paste in one endpoint and they’re hooked up to everything.”
