toolgrep / MCP servers / Mailbox MCP
Alternatives to Mailbox MCP
Mailbox MCP: Remote MCP server that connects an existing Gmail, Outlook, Microsoft 365 or IMAP mailbox to Claude, ChatGPT or any MCP client for reading, searching, sending and filing email. 8 products similar to Mailbox MCP, compared on pricing, free tier, API, MCP server, SDK and open source. 6 of 8 have a free tier, 8 of 8 have an API, 8 of 8 offer an MCP server, 2 of 8 are open source.
- Model Context Protocol (MCP)
An open-source standard for connecting AI applications to external systems.
- MCP Charts
The MCP for MCPs
- Sending
MCP-native messaging orchestration for email, WhatsApp and Telegram
- Fluxmail Cloud
Hosted email access for agents
- GoodSign MCP Server
MCP server that lets AI agents send, track and manage GoodSign e-signature documents
- Metorial
Open-source MCP and skills gateway
- Ankra MCP Server
Remote MCP server exposing scoped access to Ankra platform tools for MCP clients.
- ImgVX AI MCP Server
MCP server that routes image-editing requests to matching free ImgVX AI tools, with links.
Side by side
| Product | Pricing | Free tier | API | MCP server | SDK | Open source |
|---|---|---|---|---|---|---|
| Mailbox MCP | Freemium · from £2.92/month per mailbox (paid annually at £34.99 + VAT) | yes | yes | yes | — | no |
| Model Context Protocol (MCP) | Free | yes | yes | yes | yes | yes |
| MCP Charts | Free | yes | yes | yes | — | — |
| Sending | Freemium · from €0/mo (free tier: 3,000 emails/mo) | yes | yes | yes | yes | no |
| Fluxmail Cloud | Freemium · from $10/month (Pro, per pricing page; the /cloud page states $15/month) | yes | yes | yes | no | no |
| GoodSign MCP Server | Usage-based · from $1.50 per document (credit); included with any paid GoodSign account | no | yes | yes | yes | no |
| Metorial | Freemium · from $0.00 | yes | yes | yes | yes | yes |
| Ankra MCP Server | — | — | yes | yes | — | — |
| ImgVX AI MCP Server | Free | yes | yes | yes | no | — |
Facts come from each product's own website, or from its verified owner when they have edited the listing. Each product page shows when it was last verified and how it was extracted. Similarity comes from the products' descriptions.
API
curl https://toolgrep.com/api/products/mailbox-mcp/alternatives