What is Inbox Dog?
Gmail for Agents provides full Gmail API access—including read, write, search, draft creation, label management, and email sending—for AI agents. It supports multiple integration paths, a no‑code connection for non‑technical users, an MCP server that works with Claude, Cursor, Windsurf, and other MCP‑compatible agents, and a JavaScript SDK for custom code or backend applications.
The service uses pre‑verified OAuth credentials, eliminating the need for a Google CASA Tier 2 security audit and its associated cost and delay. Tokens are automatically refreshed, so agents maintain continuous access without manual intervention. The solution is open‑source under an MIT license, allowing inspection, self‑hosting, or use of the hosted service without a payment card requirement.
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Inbox Dog's key features
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Full Gmail read/write/search access
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OAuth integration for AI agents
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No-code Gmail connection
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MCP server tool integration
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SDK for custom code
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Auto-refresh token handling
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CASA Tier 2 verified
Inbox Dog use cases
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Automate customer support by reading incoming tickets, drafting AI‑powered replies, and auto‑labeling them in Gmail
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Streamline sales outreach by pulling lead emails, generating personalized follow‑ups, and scheduling sends via Gmail for Agents
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Enable team collaboration by syncing a shared mailbox, auto‑assigning labels, and summarizing email threads for internal reporting
Who is it for?
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Product managers
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Digital marketers
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E-commerce sellers
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Administrative assistants
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Remote workers
