Mailosaur MCP Server for Claude Code 8 tools — connect in under 2 minutes
Claude Code is Anthropic's agentic CLI for terminal-first development. Add Mailosaur as an MCP server in one command and Claude Code will discover every tool at runtime. ideal for automation pipelines, CI/CD integration, and headless workflows via Vinkius.
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# Your Vinkius token. get it at cloud.vinkius.com
claude mcp add mailosaur --transport http "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure
About 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.
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.
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
The Mailosaur MCP Server exposes 8 tools through the Vinkius. Connect it to Claude Code in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.
How to Connect Mailosaur to Claude Code via MCP
Follow these steps to integrate the Mailosaur MCP Server with Claude Code.
Install Claude Code
Run npm install -g @anthropic-ai/claude-code if not already installed
Add the MCP Server
Run the command above in your terminal
Verify the connection
Run claude mcp to list connected servers, or type /mcp inside a session
Start using Mailosaur
Ask Claude: "Using Mailosaur, show me...". 8 tools are ready
Why Use Claude Code with the Mailosaur MCP Server
Claude Code provides unique advantages when paired with Mailosaur through the Model Context Protocol.
Single-command setup: `claude mcp add` registers 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
Claude Code runs headlessly, enabling unattended batch processing using Mailosaur tools in cron jobs or deployment scripts
Built by the same team that created the MCP protocol, ensuring first-class compatibility and the fastest adoption of new protocol features
Mailosaur + Claude Code Use Cases
Practical scenarios where Claude Code combined with the Mailosaur MCP Server delivers measurable value.
CI/CD integration: embed Mailosaur tool calls in your deployment pipeline to validate configurations or fetch secrets before shipping
Headless batch processing: schedule Claude Code to query Mailosaur nightly and generate reports without human intervention
Shell scripting: pipe Mailosaur outputs into other CLI tools for data transformation, filtering, and aggregation
Infrastructure monitoring: run Claude Code in a cron job to query Mailosaur status endpoints and alert on anomalies
Mailosaur MCP Tools for Claude Code (8)
These 8 tools become available when you connect Mailosaur to Claude Code via MCP:
clear_server_inbox
Delete all messages in a server
create_virtual_server
Create a new virtual server/inbox
delete_specific_message
Permanently remove a message
get_message_content
Get the full content of a specific message
get_server_details
Get details for a specific virtual server
list_server_messages
List all messages in a virtual server
list_virtual_servers
Use this to identify server IDs. List all Mailosaur virtual servers
search_server_messages
Requires a server ID and criteria like sentTo, sentFrom, or subject. Search for specific messages using criteria
Example Prompts for Mailosaur in Claude Code
Ready-to-use prompts you can give your Claude Code agent to start working with Mailosaur immediately.
"List all my Mailosaur servers."
"Find the last message sent to 'test-user@mailosaur.io' in server 'prod123'."
"Delete all messages in the 'Dev Sandbox' server (ID: 'dev789')."
Troubleshooting Mailosaur MCP Server with Claude Code
Common issues when connecting Mailosaur to Claude Code through the Vinkius, and how to resolve them.
Command not found: claude
npm install -g @anthropic-ai/claude-codeConnection timeout
Mailosaur + Claude Code FAQ
Common questions about integrating Mailosaur MCP Server with Claude Code.
How do I add an MCP server to Claude Code?
claude mcp add --transport http "" in your terminal. Claude Code registers the server and discovers all tools immediately.Can Claude Code run MCP tools in headless mode?
How do I list all connected MCP servers?
claude mcp in your terminal to see all registered servers and their status, or type /mcp inside an active Claude Code session.Connect Mailosaur with your favorite client
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Connect Mailosaur to Claude Code
Get your token, paste the configuration, and start using 8 tools in under 2 minutes. No API key management needed.
