AgentMail MCP Server for Cline 11 tools — connect in under 2 minutes
Cline is an autonomous AI coding agent inside VS Code that plans, executes, and iterates on tasks. Wire AgentMail through Vinkius and Cline gains direct access to every tool. from data retrieval to workflow automation. without leaving the terminal.
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Vinkius Desktop App
The modern way to manage MCP Servers — no config files, no terminal commands. Install AgentMail and 2,500+ MCP Servers from a single visual interface.
{
"mcpServers": {
"agentmail": {
"url": "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 AgentMail MCP Server
Connect AgentMail to your AI agent and unlock a programmable email client. Stop relying on complex integrations and grant your agent its own functional inbox to communicate with the world.
Cline operates autonomously inside VS Code. it reads your codebase, plans a strategy, and executes multi-step tasks including AgentMail tool calls without waiting for prompts between steps. Connect 11 tools through Vinkius and Cline can fetch data, generate code, and commit changes in a single autonomous run.
What you can do
- Inboxes — Create, list, and delete custom email addresses on the fly for your agent
- Threads — Scan active conversations and read full historical threads natively
- Messages — Send new emails, reply contextually to specific threads, and forward messages
- Attachments — Extract and process files attached to incoming emails automatically
The AgentMail MCP Server exposes 11 tools through the Vinkius. Connect it to Cline 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 AgentMail to Cline via MCP
Follow these steps to integrate the AgentMail MCP Server with Cline.
Open Cline MCP Settings
Click the MCP Servers icon in the Cline sidebar panel
Add remote server
Click "Add MCP Server" and paste the configuration above
Enable the server
Toggle the server switch to ON
Start using AgentMail
Ask Cline: "Using AgentMail, help me...". 11 tools available
Why Use Cline with the AgentMail MCP Server
Cline provides unique advantages when paired with AgentMail through the Model Context Protocol.
Cline operates autonomously. it reads your codebase, plans a strategy, and executes multi-step tasks including MCP tool calls without step-by-step prompts
Runs inside VS Code, so you get MCP tool access alongside your existing extensions, terminal, and version control in a single window
Cline can create, edit, and delete files based on MCP tool responses, enabling end-to-end automation from data retrieval to code generation
Transparent execution: every tool call and file change is shown in Cline's activity log for full visibility and approval before committing
AgentMail + Cline Use Cases
Practical scenarios where Cline combined with the AgentMail MCP Server delivers measurable value.
Autonomous feature building: tell Cline to fetch data from AgentMail and scaffold a complete module with types, handlers, and tests
Codebase refactoring: use AgentMail tools to validate live data while Cline restructures your code to match updated schemas
Automated testing: Cline fetches real responses from AgentMail and generates snapshot tests or mocks based on actual payloads
Incident response: query AgentMail for real-time status and let Cline generate hotfix patches based on the findings
AgentMail MCP Tools for Cline (11)
These 11 tools become available when you connect AgentMail to Cline via MCP:
create_inbox
You can optionally link it to a custom domain. Create a new email inbox for an agent
delete_inbox
Warning: this deletes all emails in it. Delete a specific inbox by ID
forward_message
You can optionally add text to the forwarded message. Forward an existing email message
get_attachment
Attachments might be encoded in base64. Ensure you parse or read it correctly. Download or read a specific attachment from a message
get_inbox
Get details of a specific inbox by ID
get_thread
Requires a thread_id. Read all messages inside a specific conversation thread
list_inboxes
An inbox is required to send or receive emails. Returns an array of inboxes with their IDs, email addresses, and names. List all inboxes assigned to the AgentMail API Key
list_threads
Returns a list of thread objects including subject lines and recent message previews. The agent needs an inbox_id first. List conversation threads inside an inbox
reply_to_message
The thread will be preserved. Reply to an existing email message/thread
send_message
Requires the sender inbox_id, which you can get from list_inboxes. Send a brand new email message
update_message
Update an existing message metadata (like marking it as read)
Example Prompts for AgentMail in Cline
Ready-to-use prompts you can give your Cline agent to start working with AgentMail immediately.
"Create a new inbox for our support team."
"Check all my unread threads in the main inbox today."
"Reply to the client thanking them and attach the pricing PDF."
Troubleshooting AgentMail MCP Server with Cline
Common issues when connecting AgentMail to Cline through the Vinkius, and how to resolve them.
Server shows error in sidebar
AgentMail + Cline FAQ
Common questions about integrating AgentMail MCP Server with Cline.
How does Cline connect to MCP servers?
Can Cline run MCP tools without approval?
Does Cline support multiple MCP servers at once?
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Connect AgentMail to Cline
Get your token, paste the configuration, and start using 11 tools in under 2 minutes. No API key management needed.