Inbox Dog

Inbox Dog is an email management tool that provides AI agents with full Gmail autonomy, allowing them to read, write, and search emails. It is CASA Tier 2 verified, enabling write access without a lengthy audit.

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At a glance

Pricing

Free · Open Source

Free tier

Yes

API

Yes

Skill level

Technical

About

What is Inbox Dog?

Inbox Dog empowers AI agents with comprehensive Gmail capabilities, moving beyond read-only access to include writing, searching, and sending emails. It addresses the common challenge of obtaining Gmail write scopes by being CASA Tier 2 verified, allowing users to bypass Google's security audit process which can be costly and time-consuming. The tool offers flexible integration options including a no-code solution for non-technical users, an MCP Server for agents like Claude and Cursor, and an npm package for developers building custom applications. Inbox Dog ensures agents never lose access mid-task by automatically refreshing tokens and is free to use, providing unlimited Gmail requests after authentication. It is also open source, offering transparency and self-hosting options.

Best used for

Ideal for developers and startup founders who need to integrate advanced Gmail functionalities into their AI agents, automate email responses, and manage complex email workflows. Especially valuable for those looking to bypass Google's stringent CASA Tier 2 security audit for write access, enabling rapid deployment of agent capabilities.

Common actions

automate email tasks

integrate Gmail with AI

manage email workflows

develop AI agents

AI email assistanttask schedulingemail productivity

Capabilities

Key features

Full Gmail read/write/search
CASA Tier 2 verified
MCP native integration
Automatic token refresh
No-code connection option
Developer API access

Target Audience

developerstartup foundercontent creatorsmall business owner

Integrations

gmailclaudecursorwindsurfopenclaw

Pricing & Plans

Free · Open Source

Free for Now

FAQs

Do I need to pass Google's CASA Tier 2 security audit to use Inbox Dog for Gmail write access?

No, Inbox Dog is already CASA Tier 2 verified. By using Inbox Dog's OAuth credentials, you can skip the audit process entirely and gain full Gmail write access for your AI agents immediately, saving significant time and cost.

How does Inbox Dog handle token expiry for continuous agent access?

Inbox Dog automatically handles the refresh of access tokens. This ensures that your AI agents maintain continuous access to Gmail without interruption, even when tokens expire, preventing any loss of access mid-task.

Is Inbox Dog truly free to use, or are there hidden costs?

Inbox Dog is currently free to use. You can create an API key and make unlimited Gmail requests without any paywall. There are no hidden costs for using the hosted service, and it's also open source if you prefer to self-host.

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Also listed in

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AI Agents & Automation › Personal Assistants Research & Education › Summarization Content & Design › Translation & Localization

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