Bring Email Testing
to Claude Code
Create your Vinkius account to connect Mailosaur to Claude Code and start using all 8 AI tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code. No hosting, no server setup — just connect and start using.
GDPR Free for SubscribersCompatible with every major AI agent and IDE
Gemini
What is the Mailosaur MCP Server?
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
- Subscribe to this server
- Enter your Mailosaur API Key
- 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
Built-in capabilities (8)
Delete 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
Why Claude Code?
Claude Code registers Mailosaur as an MCP server in a single terminal command. Once connected, Claude Code discovers all 8 tools at runtime and can call them headlessly. ideal for CI/CD pipelines, cron jobs, and automated workflows where Mailosaur data drives decisions without human intervention.
- —
Single-command setup:
claude mcp addregisters the server instantly. no config files to edit or applications to restart - —
Terminal-native workflow means MCP tools integrate seamlessly into shell scripts, CI/CD pipelines, and automated DevOps tasks
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Claude Code runs headlessly, enabling unattended batch processing using Mailosaur tools in cron jobs or deployment scripts
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Built by the same team that created the MCP protocol, ensuring first-class compatibility and the fastest adoption of new protocol features
Mailosaur in Claude Code
Why run Mailosaur with Vinkius?
The Mailosaur connection runs on our fully managed, secure cloud infrastructure. We handle the hosting, maintenance, and security so you don't have to deal with servers or code. All 8 tools are ready to work instantly without any complex setup.
You stay in complete control of your data. Your AI only accesses the information you approve, keeping your sensitive passwords and private details completely safe. Plus, with automatic optimizations, your AI works faster and more efficiently.
* Every connection is hosted and maintained by Vinkius. We handle the security, updates, and infrastructure so you don't have to write code or manage servers. See our infrastructure
Over 4,000 integrations ready for AI agents
Explore a vast library of pre-built integrations, optimized and ready to deploy.
Connect securely in under 30 seconds
Generate tokens to authenticate and link external services in a single step.
Complete visibility into every agent action
Audit live requests, latency, success rates, and active security compliance policies.
Optimize spending and track token ROI
Analyze real-time token consumption and cost metrics detailed by connection.
Explore our live AI Agents Analytics dashboard to see it all working
This dashboard is included when you connect Mailosaur using Vinkius. You will never be left in the dark about what your AI agents are doing with your tools.
Mailosaur and 4,000+ other AI tools. No hosting, no code, ready to use.
Professionals who connect Mailosaur to Claude Code through Vinkius don't need to write code, manage servers, or worry about security. Everything is pre-configured, secure, and runs automatically in the background.
Raw MCP | Vinkius | |
|---|---|---|
| Ready-to-use MCPs | Find and configure each manually | 4,000+ MCPs ready to use |
| Connection Setup | Manual coding & server setup | 1-click instant connection |
| Server Hosting | You host it yourself (needs 24/7 uptime) | 100% hosted & managed by Vinkius |
| Security & Privacy | Stored in plaintext config files | Bank-grade encrypted vault |
| Activity Visibility | Blind execution (no logs or tracking) | Live dashboard with real-time logs |
| Cost Control | Runaway AI token spend risk | Automatic budget limits |
| Revoking Access | Must delete files or code to stop | 1-click disconnect button |
How Vinkius secures
Mailosaur for Claude Code
Every request between Claude Code and Mailosaur is protected by our secure gateway. We automatically keep your sensitive data private, prevent unauthorized access, and let you disconnect instantly at any time.
Frequently asked questions
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.
How do I add an MCP server to Claude Code?
Run claude mcp add <name> --transport http "<url>" in your terminal. Claude Code registers the server and discovers all tools immediately.
Can Claude Code run MCP tools in headless mode?
Yes. Claude Code supports non-interactive execution, making it ideal for scripts, cron jobs, and CI/CD pipelines that need MCP tool access.
How do I list all connected MCP servers?
Run claude mcp in your terminal to see all registered servers and their status, or type /mcp inside an active Claude Code session.
Command not found: claude
Ensure Claude Code is installed globally: npm install -g @anthropic-ai/claude-code
Connection timeout
Check your internet connection and verify the Edge URL is reachable
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