Email Assistance helps you manage Gmail with AI auto replies and voice to email features. Use this smart extension to write professional emails efficiently.
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What is inbox.dog?
inbox.dog is a service that provides Gmail OAuth credentials for AI agents, enabling full read, write, and search access to Gmail without requiring developers to undergo Google's CASA Tier 2 security audit. Built by a team focused on agent tooling, it solves the problem that most AI agents can only read Gmail but cannot send emails or manage labels due to restricted write scopes. The core capability is offering pre-verified OAuth tokens that skip the lengthy and costly audit process. It supports integration via a no-code web interface, an MCP server for agent frameworks like Claude and Cursor, and a JavaScript SDK for custom applications. The tool is ideal for developers building AI agents that need autonomous email capabilities, as well as non-technical users who want to connect Gmail to their agents quickly. It is free to use, open source, and handles token refresh automatically.
AI Tool Review Summary
4.5/5
Reliable and comprehensive
Simple and developer-friendly
To provide AI agents with full Gmail access without the need for a security audit.
Works with MCP clients (Claude, Cursor, Windsurf), npm, and any HTTP-based agent.
Free to use with no paywall
Features
Features with the highest value for users are highlighted here.
Full Gmail read, write, search, send
CASA Tier 2 security audit passed
MCP native server support
Auto-refresh tokens
No-code connection option
npm SDK for custom apps
Open source MIT licensed
Free to use with unlimited requests
How It Works
Create an API Key
Go to inbox.dog and generate a free API key to get your client ID and secret.
Choose Integration Method
Pick no-code, MCP server, or npm SDK based on your technical comfort and use case.
Authenticate Gmail
Link your Gmail account via OAuth; inbox.dog handles the token exchange and refresh.
Use with Your Agent
Your agent can now read, write, and search Gmail using the provided credentials or MCP tools.
Who Is It For?
AI Agent Developers
Startup Teams
Non-Technical Users
Open Source Contributors
Enterprise IT
Freelancers
Customer Support Teams
Product Managers
Hobbyists
MCP Client Users
Pricing
Free
Unlimited Gmail requests Auto-refresh tokens MCP server access npm SDK access
Want to add more pricing plans?
Claim this tool to manage plans, pricing, and listing details.
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Pros & Cons
Pros
Skip the expensive and lengthy Google security audit for Gmail write access. Easy integration via MCP, no-code, or SDK with automatic token refresh.
Cons
Requires trusting a third-party service with Gmail credentials. Limited to Gmail only; no support for other email providers.
FAQs
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Quick inbox.dog Comparision
Side-by-side with top alternatives in this category.
| Tool | Rating | Visits / mo | Global rank | Category rank | Engagement | Bounce | Top market | Starts at | Free tier | Integrations | Action |
|---|---|---|---|---|---|---|---|---|---|---|---|
inbox.dogAI Email Writer | — | — | — | — | — | — | $0 | 2+ | View | ||
InstantlyAI Email Writer | 2.5M | #16,223 | #22 | 8m 11s9.3 pages | US(31%)#10,482 | $0 | 1 | View | |||
![]() AIMailmanAI Email Writer | 4.2M | #13,587 | #346 | 2m 2s3.2 pages | US(18%)#12,421 | $0 | 1 | View | |||
AWeberAI Email Writer | 3.2M | #18,794 | #150 | 2m 8s2.6 pages | US(50%)#5,974 | $0 | 2+ | View | |||
![]() MailmeteorAI Email Writer | 1.4M | #36,593 | #635 | 4m 13s3.5 pages | US(30%)#25,630 | $0 | 2+ | View |
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