Mailosaur MCP Server
Automate email and SMS testing and management via the Mailosaur REST API.
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What is the Mailosaur MCP Server?
The Mailosaur MCP Server gives AI agents like Claude, ChatGPT, and Cursor direct access to Mailosaur via 8 tools. Automate email and SMS testing and management via the Mailosaur REST API. Powered by the Vinkius - no API keys, no infrastructure, connect in under 2 minutes.
Built-in capabilities (8)
Tools for your AI Agents to operate Mailosaur
Ask your AI agent "List all my Mailosaur servers." and get the answer without opening a single dashboard. With 8 tools connected to real Mailosaur data, your agents reason over live information, cross-reference it with other MCP servers, and deliver insights you would spend hours assembling manually.
Works with Claude, ChatGPT, Cursor, and any MCP-compatible client. Powered by the Vinkius - your credentials never touch the AI model, every request is auditable. Connect in under two minutes.
Why teams choose Vinkius
One subscription gives you access to thousands of MCP servers - and you can deploy your own to the Vinkius Edge. Your AI agents only access the data you authorize, with DLP that blocks sensitive information from ever reaching the model, kill switch for instant shutdown, and up to 60% token savings. Enterprise-grade infrastructure and security, zero maintenance.
Build your own MCP Server with our secure development framework →Vinkius works with every AI agent you already use
…and any MCP-compatible client
Mailosaur MCP Server capabilities
8 toolsDelete all messages in a server
Create a new virtual server/inbox
Permanently remove a message
Get the full content of a specific message
Get details for a specific virtual server
List all messages in a virtual server
Use this to identify server IDs. List all Mailosaur virtual servers
Requires a server ID and criteria like sentTo, sentFrom, or subject. Search for specific messages using criteria
What the Mailosaur MCP Server unlocks
Connect your Mailosaur account to any AI agent to automate your email and SMS testing workflows. This MCP server enables your agent to manage virtual servers (inboxes), retrieve and search for messages, and extract content for validation directly from natural language interfaces.
What you can do
- Virtual Inbox Oversight — List and manage all virtual servers and retrieve their unique routing domains
- Message Retrieval — List all email and SMS messages received by a specific server instantly
- Advanced Search — Find specific messages by sender, recipient, subject, or body content using detailed criteria
- Content Inspection — Retrieve the full HTML and text content of any message for automated validation
- Inbox Maintenance — Clear entire server inboxes or delete specific messages via simple commands
- Dynamic Infrastructure — Create and configure new virtual servers programmatically for testing isolation
How it works
1. Subscribe to this server
2. Enter your Mailosaur API Key
3. Start managing your test communications from Claude, Cursor, or any MCP-compatible client
Who is this for?
- QA Engineers — Automate the verification of transactional emails and SMS codes via natural language commands
- Developers — Quickly inspect incoming test emails and clear virtual inboxes directly from your IDE
- Operations Teams — Monitor automated communication flows and audit incoming messages effortlessly
Frequently asked questions about the Mailosaur MCP Server
How do I find my Server ID?
Use the list_virtual_servers tool to see a comprehensive list of all servers in your account along with their unique IDs.
Can I search for messages by recipient email?
Yes, use the search_server_messages tool and provide a JSON criteria object with the sentTo field.
Does Mailosaur support SMS messages?
Absolutely. Mailosaur treats SMS messages similarly to emails. You can list and search for them within your virtual servers just like email content.
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Connect Mailosaur with your favorite client
Step-by-step setup guides for every MCP-compatible client and framework:
Anthropic's native desktop app for Claude with built-in MCP support.
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GitHub Copilot in VS Code with Agent mode and MCP support.
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Anthropic's agentic CLI for terminal-first development.
Python SDK for building production-grade OpenAI agent workflows.
Google's framework for building production AI agents.
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Give your AI agents the power of Mailosaur MCP Server
Production-grade Mailosaur MCP Server. Verified, monitored, and maintained by Vinkius. Ready for your AI agents — connect and start using immediately.