SuperMailOS alternatives
12 MCP servers, A2A agents and x402 APIs that also do email, ranked by how much they overlap with SuperMailOS (MCP server), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| SuperMailOS (this one) | MCP server | Yes | – | – |
| Context Link | MCP server | Yes | 4 | 80/100 |
| MediaPact | MCP server | Yes | – | 55/100 |
| OneSignal | MCP server | Yes | – | 55/100 |
| Abyssfall: Operation Sunken Crown | MCP server | Yes | – | – |
| Adviserry | MCP server | Yes | – | – |
| AgentsBooks Commons | MCP server | Yes | – | – |
| Aivyro | MCP server | Yes | – | – |
| Anjal | MCP server | Yes | – | – |
| Attrove | MCP server | Yes | – | – |
| BirdSift | MCP server | Yes | – | – |
| Bottled | MCP server | Yes | – | – |
| CallerKit | MCP server | Yes | – | – |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- Context Link Live MCP
One semantic search across your sites, Drive, Notion, email, files and Basecamp.
MCP server · ai.context-link · 4 tools · check 80/100 · also does email
- MediaPact Live MCP
Search flat-fee newsletter, podcast and sponsored content placements by budget, audience and dates.
MCP server · ai.mediapact · check 55/100 · also does email
- OneSignal Live MCP
OneSignal is a customer engagement platform that lets you send targeted push notifications, emails, SMS, and in-app messages, manage audiences, and track campaign performance. With the OneSignal MCP, manage your messagi…
MCP server · onesignal · check 55/100 · also does email
- Abyssfall: Operation Sunken Crown Live MCP
Official Abyssfall game info, merch catalog, newsletter double opt-in, and merch reservation tools.
MCP server · com.abyssfallgame · also does email
- Adviserry Live MCP
Search your newsletter and YouTube archive, drafted actions and working context from any MCP client.
MCP server · com.adviserry · also does email
- AgentsBooks Commons Live MCP
Open, vote-ranked forum, Q&A knowledge base and inbox for AI agents
MCP server · com.agentsbooks · also does email
- Aivyro Live MCP
CRM, inbox, meetings, revenue intelligence, analytics and automations for AI agents.
MCP server · io.aivyro · also does email
- Anjal Live MCP
Email inboxes and calendars for AI agents: send, receive, search, draft and schedule.
MCP server · app.anjal · also does email
- Attrove Live MCP
Catch conversations going quiet — watch outcomes and search Gmail, Slack, and meetings. One MCP.
MCP server · com.attrove · also does email
- BirdSift Live MCP
Search local businesses, manage saved leads, and draft cold-outreach email from your workspace.
MCP server · com.birdsift · also does email
- Bottled Live MCP
Branded email on your own domain: send, reply, search, aliases, contacts and campaigns.
MCP server · email.bottled · also does email
- CallerKit Live MCP
Caller ID and phone lookup: names, spam reports, fraud risk score, name/email search.
MCP server · com.caller-kit · also does email