Leximo Ai Call Assistant Server

npm version Node >=18 MCP License: MIT

An MCP (Model Context Protocol) server that lets you schedule AI phone calls and manage Leximo assignments directly from Claude Desktop or Claude Code — no app switching needed.

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Quick Install

Claude Code (one command)

claude mcp add leximo -e LEXIMO_API_TOKEN=your-token -- npx -y leximo-ai-call-assistant-mcp-server

Replace your-token with your API token from concierge.leximo.ai/profile.

Claude Code (plugin marketplace)

/plugin marketplace add leximo-ai/leximo-ai-call-assistant-mcp-server

Then install the plugin:

/plugin install leximo-ai-call-assistant

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Manual Setup

1. Get your API token

1. Go to concierge.leximo.ai and sign in
2. Open your profile page
3. Copy your JWT access token

2. Configure Claude Desktop

Add to ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows):

{
  "mcpServers": {
    "leximo": {
      "command": "npx",
      "args": ["-y", "leximo-ai-call-assistant-mcp-server"],
      "env": {
        "LEXIMO_API_TOKEN": "your-token"
      }
    }
  }
}

3. Configure Claude Code (manual)

Add to your Claude Code MCP settings:

{
  "mcpServers": {
    "leximo": {
      "command": "npx",
      "args": ["-y", "leximo-ai-call-assistant-mcp-server"],
      "env": {
        "LEXIMO_API_TOKEN": "your-token"
      }
    }
  }
}

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Features

• Assignments — Create, list, view, and delete AI phone call assignments
• AI Agents — Browse available calling agents and pick the right one
• Task Proposals — Get AI-generated improvements for your call instructions
• Credits — Check your credit balance and usage history
• Subscriptions — View your plan, browse available plans, and subscribe
• Notifications — View call completion events and system notifications

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Available Tools

Tool	Description
get_profile	Get your user profile and account details
get_credits	Check credit balance, usage history, and subscription summary
get_subscription	View active subscription details
get_plans	List available subscription plans with pricing
create_checkout_session	Get a checkout URL to subscribe to a plan
list_agents	List available AI calling agents
get_agent	Get details of a specific agent
list_assignments	List all your assignments (paginated)
get_assignment	View a specific assignment with results and transcript
create_assignment	Create a new phone call assignment
delete_assignment	Delete an assignment
get_assignment_proposals	Get AI suggestions to improve your task description
list_notifications	Get call completion events and notifications

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Example Prompts

Once configured, ask Claude things like:

• "Show me my Leximo assignments"
• "Create a call to +1234567890 to book a restaurant for 2 at 7pm Friday"
• "How many credits do I have left?"
• "What subscription plans are available?"
• "Show me the transcript from my last call"
• "What agents are available and which one is best for restaurant bookings?"

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Development

npm install
npm run build      # Compile TypeScript
npm start          # Run compiled server
npm run dev        # Run with tsx (hot reload)

Test with MCP Inspector

LEXIMO_API_TOKEN=your-token npx @modelcontextprotocol/inspector node dist/index.js

Environment Variables

Variable	Required	Description
LEXIMO_API_TOKEN	Yes	JWT token from concierge.leximo.ai/profile

Copy .env.example to .env for local development.

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License

MIT © Leximo