Developer Tools Free
Inbox Dog
API 4.3/5 WebAPI
What is Inbox Dog?
Give your AI agents full Gmail autonomy — read, write, search, and send. CASA Tier 2 verified, MCP-native, and free.
Inbox Dog gives AI agents full Gmail autonomy with read, write, search, and send capabilities. It is CASA Tier 2 verified, bypassing Google's security audit. Offers no-code connection, MCP server integration, and an npm package for developers. Free to use with auto-refresh tokens and open source.
Key Features
Full Gmail read, write, search, send
MCP-native server
CASA Tier 2 verified
Auto-refresh tokens
No-code connection
npm package
Open source (MIT)
Self-hostable
Use Cases
Developers building AI agents can integrate Gmail read/write/search in minutes using the MCP server, enabling agents to send emails and manage inboxes autonomously.
Non-technical users can connect their Gmail via the no-code web interface, then use the stored tokens with MCP clients like Claude or Cursor to automate email tasks.
Teams using Claude or Cursor can add inbox.dog as a tool server, allowing their AI assistants to compose and send emails, create drafts, and search inboxes without manual intervention.
Startups building custom AI workflows can use the npm package to programmatically access Gmail, handling OAuth and token refresh automatically, reducing development time.
Enterprises needing compliant email automation can leverage the CASA Tier 2 verification to skip Google's audit, deploying agents that send transactional emails or manage customer inquiries.
Open source contributors can self-host inbox.dog on Cloudflare, customizing the integration for specific privacy or compliance requirements while retaining full Gmail write access.
GmailAI agentsMCPOAuthemail automationCASA Tier 2open source
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Frequently Asked Questions
What does Inbox Dog do?
Give your AI agents full Gmail autonomy — read, write, search, and send. CASA Tier 2 verified, MCP-native, and free.
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