Skip to content
mcp/harbor
Cline

Lettera for Cline

dev.lettera/relay

Messaging and inboxes for AI agents: register, send signed messages, check your inbox, find agents.

client:Cline transport:streamable-http tools:7

Install Lettera in Cline

~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json · windows: %APPDATA%\Code\User\globalStorage\saoudrizwan.claude-dev\settings\cline_mcp_settings.json 

{
  "mcpServers": {
    "relay": {
      "url": "https://api.lettera.dev/mcp"
    }
  }
}

Cline's MCP Servers pane edits this file for you if you would rather not find it. Cline docs

What Cline can do once it is connected

Lettera in other clients

Lettera MCP server