capital-com-mcp-server 0.2.1

Capital.com MCP Server for Amazon Q and other LLMs

Capital.com MCP Server

This is a Model Context Protocol (MCP) server that exposes the Capital.com trading API as tools that can be used by Amazon Q, Claude Desktop, and other LLMs that support the MCP protocol.

Available Tools

The following tools are exposed by the MCP server:

Core Trading Tools

• get_account_info: Get account information and balance
• search_markets: Search for markets/instruments (supports both search terms and epic codes)
• get_prices: Get current prices with configurable time resolution (MINUTE, HOUR, DAY, etc.)
• get_historical_prices: Get historical price data with custom time ranges and resolution
• get_positions: Get all open trading positions
• create_position: Create a new trading position (buy/sell) with optional stop loss and take profit
• close_position: Close an open position by deal ID
• update_position: Update position stop loss or take profit levels
• get_watchlists: Get all saved watchlists

Session & Account Management

• get_session_info: Get current session information including active financial account
• change_financial_account: Switch between different financial accounts
• get_accounts: Get list of all financial accounts
• get_account_preferences: Get account preferences including leverage settings and hedging mode
• update_account_preferences: Update account preferences such as leverage settings
• top_up_demo_account: Add funds to demo trading account for testing

Market Navigation & Discovery

• get_market_navigation: Get hierarchical structure of asset groups available for trading
• get_market_navigation_node: Get all assets/instruments under a specific navigation node
• get_watchlist_contents: Get contents of a specific watchlist

Working Orders Management

• create_working_order: Create stop or limit orders that execute when market reaches specified level
• get_working_orders: Get all pending working orders (stop and limit orders)
• update_working_order: Update parameters of existing working orders
• delete_working_order: Cancel and remove working orders

History & Reporting

• get_activity_history: Get trading activity history with smart defaults (24 hours vs API's 10 minutes) and FIQL filtering
• get_transaction_history: Get financial transaction history with 7-day default and transaction type filtering
• confirm_deal: Confirm position status after creation and get dealId for management

Utilities

• ping_api: Test connection to the Capital.com API
• get_server_time: Get current server time from Capital.com API

✨ Key Features

• Complete API Coverage: Full access to all Capital.com REST API endpoints (25+ tools)
• Automatic Authentication: Handles login and session token refresh automatically
• Advanced Trading: Create positions, working orders (stop/limit), manage portfolios
• Account Management: Switch accounts, update leverage settings, manage preferences
• Market Discovery: Navigate asset hierarchies, explore watchlists, search instruments
• Smart Historical Data: Trading activity (24h default) and transaction history (7d default) with proper API compliance
• Enhanced Search: Search markets by name or use specific epic codes (e.g., "Apple" or "AAPL")
• Multiple Time Resolutions: MINUTE, HOUR, DAY, WEEK for price data
• Position Confirmation: Verify trades and get deal IDs for position management
• Robust Error Handling: Built-in retry logic for expired sessions
• No Manual Auth: No separate authentication tool needed - handled behind the scenes
• API-Compliant Formatting: Automatic timezone handling and proper date format conversion

Configuration

Required Environment Variables

The MCP server requires the following environment variables:

• CAPITAL_BASE_URL: The Capital.com API base URL (e.g., https://demo-api-capital.backend-capital.com)
• CAPITAL_API_KEY: Your Capital.com API key
• CAPITAL_PASSWORD: Your Capital.com password
• CAPITAL_IDENTIFIER: Your Capital.com email/identifier

Optional Environment Variables

• CAPITAL_MCP_DEBUG: Set to 1 to enable debug logging
• FASTMCP_LOG_LEVEL: Set to DEBUG, INFO, WARNING, ERROR, or CRITICAL to control logging level

Installation & Setup

Install via pip

pip install capital-com-mcp-server

Running Manually

# Run with stdio transport (default)
capital-com-mcp-server

# Run with debug logging
capital-com-mcp-server --debug

# Get help with all options
capital-com-mcp-server --help

Example Usage

Searching for Markets

You: Search for Apple stock on Capital.com

AI: I'll search for Apple stock on Capital.com for you.

[Uses search_markets tool]

I found Apple Inc. (AAPL) on Capital.com. Here are the details:
- Epic: AAPL
- Market name: Apple Inc.
- Current bid price: $184.25
- Current ask price: $184.30
- Market status: OPEN

Getting Historical Price Data

You: Show me Tesla's daily price data for the last week

AI: I'll get Tesla's daily price data for you.

[Uses get_prices with epic="TSLA" and resolution="DAY"]

Tesla (TSLA) daily prices:
- Day 1: Open $248.50, Close $252.30, High $254.80, Low $247.90
- Day 2: Open $252.30, Close $249.75, High $253.20, Low $248.40
- Volume and price trends show recent volatility

Getting Account Information

You: What's my account balance on Capital.com?

AI: Let me check your Capital.com account information.

[Uses get_account_info tool]

Your Capital.com account information:
- Account ID: ABC123456
- Account type: Demo
- Currency: USD
- Balance: $10,000.00
- Available funds: $9,500.00
- Margin used: $500.00

Creating a Position

You: Buy 10 shares of Apple stock

AI: I'll create a buy position for Apple stock on Capital.com.

[Uses create_position tool]

Successfully created a BUY position for Apple Inc. (AAPL):
- Deal ID: DEF789012
- Size: 10 shares
- Opening price: $184.30
- Position status: OPEN

Creating Working Orders

You: Set a stop order to buy Tesla at $240 with a stop loss at $230

AI: I'll create a stop order for Tesla with your specified levels.

[Uses create_working_order tool]

Successfully created a STOP order for Tesla (TSLA):
- Order ID: WO123456
- Direction: BUY
- Level: $240.00
- Stop loss: $230.00
- Status: PENDING

Managing Account Preferences

You: Check my current leverage settings and change FOREX leverage to 50:1

AI: Let me check your account preferences and update the FOREX leverage.

[Uses get_account_preferences and update_account_preferences tools]

Current account preferences:
- Hedging mode: Enabled
- FOREX leverage: 30:1
- STOCKS leverage: 5:1

Successfully updated FOREX leverage to 50:1.

History and Transaction Queries

You: Show me my trading activity from the last 24 hours with detailed information

AI: I'll get your detailed trading activity from the last 24 hours.

[Uses get_activity_history with detailed=true]

Trading activity (last 24 hours):
- Position opened: AAPL BUY 10 shares at $184.30
- Stop loss updated: TSLA position, new SL at $240.00
- Working order filled: NVDA LIMIT order executed at $520.00

Total activities: 3

You: Get my transaction history for the last week, filter for deposits only

AI: I'll retrieve your deposit transactions from the last week.

[Uses get_transaction_history with last_period=604800, transaction_type="DEPOSIT"]

Deposit transactions (last 7 days):
- 2024-06-10: $1,000.00 deposit via bank transfer
- 2024-06-08: $500.00 deposit via credit card

Total deposits: $1,500.00

Prerequisites for using with LLMs

Make sure you have uv installed on your system:

curl -LsSf https://astral.sh/uv/install.sh | sh

Using with Amazon Q

1. Create an mcp.json configuration file in your Amazon Q configuration directory (~/.aws/amazonq/mcp.json):

   {
     "mcpServers": {
       "capital-com-mcp-server": {
         "command": "uvx",
         "args": ["capital-com-mcp-server"],
         "env": {
           "CAPITAL_BASE_URL": "https://demo-api-capital.backend-capital.com",
           "CAPITAL_API_KEY": "your_api_key_here",
           "CAPITAL_PASSWORD": "your_password_here",
           "CAPITAL_IDENTIFIER": "[e-mail]",
           "FASTMCP_LOG_LEVEL": "ERROR"
         }
       }
     }
   }
   

2. Run Amazon Q with:

   q chat
   

3. Amazon Q will automatically start the MCP server and connect to it.

Using with Claude Desktop

1. In Claude Desktop, go to Settings > Developer section and click on "Edit Config"

2. This will open the configuration file. Add the following to the JSON:

   {
     "mcpServers": {
       "capital-com-mcp-server": {
         "command": "uvx",
         "args": ["capital-com-mcp-server"],
         "env": {
           "CAPITAL_BASE_URL": "https://demo-api-capital.backend-capital.com",
           "CAPITAL_API_KEY": "your_api_key_here",
           "CAPITAL_PASSWORD": "your_password_here",
           "CAPITAL_IDENTIFIER": "[e-mail]",
           "FASTMCP_LOG_LEVEL": "ERROR"
         }
       }
     }
   }
   

Resources

• Capital.com API Documentation
• MCP Documentation