First with MCP Support

Trade with AI using
natural language

Paper is the first trading platform with Model Context Protocol (MCP) integration. Let AI assistants like Claude execute trades, analyze portfolios, and manage risk through simple conversations. Experience the future of AI-driven trading.

See AI paper trading in action

Natural conversations, real trading actions

You

"Buy 100 shares of Apple and set a stop loss 5% below the current price"

Claude

"I'll place that order for you. Current AAPL price is $178.50. Placing a market buy order for 100 shares with a stop loss at $169.58 (5% below current price)."

Order Executed Successfully
Symbol: AAPL
Type: MARKET BUY
Quantity: 100 shares
Filled Price: $178.52
Stop Loss Set: $169.58
Commission: $0.00

You

"Show me my current P&L and biggest winners today"

Claude

"Your portfolio is up $1,234.56 (+2.3%) today. Top performers: NVDA +5.2% ($456), TSLA +3.8% ($312), AAPL +1.5% ($178)."

Natural language trading commands

No more complex order forms or confusing interfaces. Just tell the AI what you want to do, and it handles the rest. Perfect for beginners and experienced traders alike.

Example Commands

  • • "Buy $5,000 worth of SPY"
  • • "Sell half my Tesla position"
  • • "Show me stocks up more than 5% today"
  • • "Set alerts for when AAPL drops below $175"
  • • "Close all my losing positions"

Powered by Model Context Protocol

MCP enables seamless integration between AI assistants and Paper's trading engine

Intelligent Order Execution

AI understands context and market conditions. It can suggest better order types, warn about risks, and optimize execution.

  • • Smart order routing
  • • Risk warnings
  • • Position sizing help

Portfolio Intelligence

Get instant insights about your portfolio. AI can analyze performance, suggest rebalancing, and identify opportunities.

  • • Performance analytics
  • • Risk assessment
  • • Opportunity detection

Safe Paper Trading

Test AI trading strategies without risk. Paper trading ensures you can experiment freely while learning AI capabilities.

  • • No financial risk
  • • Realistic execution
  • • Learn AI limits

Start AI paper trading in minutes

1

Create Paper Account

Sign up for free at Paper and get your API key. Takes less than a minute.

2

Install MCP Server

Add our MCP server to Claude Desktop. Simple configuration, no coding required.

3

Start Trading with AI

Talk to Claude naturally about trading. Buy, sell, analyze - all through conversation.

Quick Setup Guide

// Add to Claude Desktop config (~/Library/Application Support/Claude/claude_desktop_config.json)
{
  "mcpServers": {
    "paper-invest": {
      "command": "npx",
      "args": ["@paperinvest/mcp-server"],
      "env": {
        "PAPER_INVEST_API_KEY": "your-api-key-here"
      }
    }
  }
}

That's it! Restart Claude Desktop and start trading.

AI paper trading use cases

Discover how traders are using AI to enhance their trading

For Individual Traders

Learning Assistant

AI explains market concepts, analyzes your trades, and helps you understand why positions moved. Perfect for beginners learning to trade.

Strategy Testing

Describe trading ideas in plain English. AI can implement and test them instantly, showing you results without coding.

Risk Management

AI monitors your positions and alerts you to risks. It can suggest position sizes and help maintain proper diversification.

For Developers & Platforms

Rapid Prototyping

Test trading algorithms by describing them to AI. No need to write code first - validate ideas through conversation.

User Onboarding

Integrate AI assistants to help users learn your platform. Natural language interfaces reduce the learning curve dramatically.

Accessibility

Make trading accessible to everyone. Voice commands and natural language remove barriers for users with disabilities.

What you can do with AI paper trading

Complex Order Management

Natural Language:

"Buy 100 shares of Microsoft with a bracket order. Set profit target 5% above and stop loss 2% below the entry price."

AI Executes:

  • • Places bracket order for MSFT
  • • Entry: Market buy 100 shares
  • • Take profit: Limit sell at +5%
  • • Stop loss: Stop order at -2%
  • • All orders linked (OCO)

Portfolio Analysis & Insights

Natural Language:

"Which sectors am I most exposed to? Show me my risk concentration and suggest ways to diversify better."

AI Response:

  • • Tech sector: 65% (overweight)
  • • Healthcare: 20%
  • • Energy: 15%
  • • Suggests adding consumer staples

Automated Trading Strategies

Natural Language:

"Every day at market open, buy $1000 of SPY if it's above the 20-day moving average. Sell if it drops 3% from my entry."

AI Creates:

  • • Daily market open trigger
  • • 20-day MA condition check
  • • Automated position sizing
  • • Trailing stop loss management

Experience the future of trading

Join thousands of traders using AI to enhance their paper trading. Safe, realistic, and powered by cutting-edge AI technology.

Free to start. No credit card required. View pricing for Pro features.