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@purpleflea/trading-mcp

MCP server for AI agent trading — 275+ perpetual markets including TSLA, NVDA, GOLD, SILVER via Hyperliquid HIP-3. Stocks, commodities, crypto, forex. By Purple Flea.

npm331/wk
Updated
Feb 27, 2026

Quick Install

npx -y @purpleflea/trading-mcp

Agent Trading

npm version MCP License: MIT Hyperliquid DOI

Trade 275+ perpetual futures markets from your AI agent. Stocks, commodities, crypto, forex, and indices — real execution on Hyperliquid with up to 50x leverage.


Quick Start

Register, check a price, and open a position:

# 1. Register (provide your Hyperliquid wallet + signing key)
curl -s -X POST https://trading.purpleflea.com/v1/auth/register \
  -H "Content-Type: application/json" \
  -d '{
    "hl_wallet_address": "0xYourHyperliquidWallet",
    "hl_signing_key": "0xYourSigningKey"
  }' | jq

# 2. Check TSLA price
curl -s https://trading.purpleflea.com/v1/markets/TSLA/price \
  -H "Authorization: Bearer YOUR_API_KEY" | jq

# 3. Go long $1,000 TSLA with 5x leverage
curl -s -X POST https://trading.purpleflea.com/v1/trade/open \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"coin": "TSLA", "side": "long", "size_usd": 1000, "leverage": 5}' | jq

Prerequisites: Create a Hyperliquid account at app.hyperliquid.xyz/join/PF, deposit USDC, and create an API Agent Wallet in settings.

Markets

275+ perpetual futures across 5 categories. All markets trade 24/7 with on-chain settlement.

Stocks (29 equities via HIP-3)

TSLA, NVDA, GOOGL, AAPL, AMZN, META, MSFT, NFLX, AMD, PLTR, COIN, MSTR, HOOD, INTC, MU, ORCL, COST, LLY, TSM, RIVN, BABA, GME, and more.

Trade stocks as perpetual futures — no market hours, no settlement delays, up to 5x leverage.

Commodities (9 markets)

GOLD, SILVER, COPPER, PLATINUM, PALLADIUM, URANIUM, ALUMINIUM, CL (crude oil), NATGAS

Indices (7 markets)

SPX (S&P 500), JP225 (Nikkei), KR200, DXY (Dollar Index), XYZ100, USAR, URNM

Forex (2 markets)

EUR, JPY — up to 50x leverage

Crypto (229 perpetuals)

BTC, ETH, SOL, XRP, DOGE, AVAX, LINK, and 222 more on Hyperliquid's main DEX with up to 50x leverage and institutional-grade liquidity.

API Reference

Base URL: https://trading.purpleflea.com/v1

Auth: Authorization: Bearer sk_trade_... (all endpoints except register)

Auth & Account

MethodEndpointDescription
POST/auth/registerCreate account. Params: hl_wallet_address, hl_signing_key, referral_code?, wallet_agent_id?
GET/auth/accountAccount details, tier, volume, P&L, referral code

Markets

MethodEndpointDescription
GET/marketsAll 275+ markets with categories and fee tiers
GET/markets/stocksAll 29 equity perpetuals with prices
GET/markets/commoditiesAll 9 commodity markets
GET/markets/rwaAll 47 real-world assets (stocks + commodities + indices + forex)
GET/markets/:coinDetailed market info — max leverage, category, fees, trade examples
GET/markets/:coin/priceLive price for any market

Trading

MethodEndpointDescription
POST/trade/openOpen a position. Params: coin, side (long/short), size_usd, leverage? (default 5)
POST/trade/closeClose a position. Params: position_id
GET/trade/positionsOpen positions with live unrealized P&L (fetched from Hyperliquid)
GET/trade/historyTrade history with prices, fees, realized P&L. limit? (default 50, max 200)

Referrals

MethodEndpointDescription
GET/referral/codeYour referral code and commission rate
GET/referral/statsTotal referrals, fees generated, earnings

Fee Structure

All tiers pay the Hyperliquid base fee (3.5 bps). Purple Flea's markup sits on top:

TierOur MarkupTotal FeeMax LeverageMax PositionQualification
Free+2 bps5.5 bps (0.055%)10x$10,000Default
Pro+1 bp4.5 bps (0.045%)25x$100,000$50k+ monthly volume
Whale0 bps3.5 bps (0.035%)50x$1,000,000$500k+ monthly volume

Example on a $1,000 trade:

TierHyperliquid FeePurple Flea MarkupTotal
Free$0.35$0.20$0.55
Pro$0.35$0.10$0.45
Whale$0.35$0$0.35

Referral System

Earn 20% of Purple Flea's fee markup on every trade made by agents you refer.

# 1. Get your referral code
curl -s https://trading.purpleflea.com/v1/referral/code \
  -H "Authorization: Bearer YOUR_API_KEY" | jq '.referral_code'
# → "ref_1a2b3c4d"

# 2. Referred agent signs up with your code
curl -s -X POST https://trading.purpleflea.com/v1/auth/register \
  -H "Content-Type: application/json" \
  -d '{
    "hl_wallet_address": "0xTheirWallet",
    "hl_signing_key": "0xTheirKey",
    "referral_code": "ref_1a2b3c4d"
  }' | jq

# 3. They trade, you earn. Check your stats:
curl -s https://trading.purpleflea.com/v1/referral/stats \
  -H "Authorization: Bearer YOUR_API_KEY" | jq

Example: A referred Free-tier agent trades $10,000 in volume. Purple Flea markup = $2.00. You earn 20% = $0.40. Commissions accumulate automatically.

Hyperliquid Integration

Agent Trading executes real trades on Hyperliquid — a fully on-chain perpetual futures DEX with institutional-grade liquidity.

How it works:

  1. You provide your Hyperliquid wallet address and API signing key at registration
  2. Your signing key is encrypted with AES-256-GCM at rest — decrypted in-memory only when signing orders
  3. When you open a position, Agent Trading signs a market order with your key and submits it to Hyperliquid's exchange API
  4. Orders execute on Hyperliquid's order book with 0.5% slippage protection
  5. Positions are held on your Hyperliquid account — you can view them in the Hyperliquid UI too
  6. Closing a position submits a reduce-only order to Hyperliquid

Two DEXes, one API:

  • Main DEX: 229 crypto perpetuals (BTC, ETH, SOL, etc.)
  • XYZ DEX (HIP-3): 47 real-world assets (TSLA, GOLD, SPX, EUR, etc.) — trade traditional assets 24/7 as perpetual futures

Purple Flea's builder fee is attached to each order. This is how the fee markup is collected — transparently on-chain.

MCP Server

Use Agent Trading directly from Claude Desktop, Claude Code, or any MCP-compatible agent.

Claude Desktop

Add to ~/.config/Claude/claude_desktop_config.json (Linux) or ~/Library/Application Support/Claude/claude_desktop_config.json (macOS):

{
  "mcpServers": {
    "trading": {
      "command": "npx",
      "args": ["-y", "@purpleflea/trading-mcp"],
      "env": {
        "TRADING_API_KEY": "sk_trade_your_key_here"
      }
    }
  }
}

Then talk to Claude naturally:

You: "What's the price of TSLA?"
You: "Go long $500 on GOLD with 10x leverage"
You: "Show my open positions"
You: "Close position pos_a1b2c3d4"

Available MCP Tools

ToolDescription
trading_list_marketsBrowse all 275+ markets by category
trading_get_priceLive price for any market
trading_market_infoDetailed market info — leverage, fees, examples
trading_open_positionOpen a leveraged long/short position
trading_close_positionClose a position and realize P&L
trading_get_positionsView open positions with live unrealized P&L
trading_historyTrade history with prices, fees, P&L
trading_accountAccount details, tier, volume, referral code
trading_registerCreate a new trading account

Self-Hosting

git clone https://github.com/purple-flea/agent-trading.git
cd agent-trading
npm install
npm run dev
# API available at http://localhost:3003

Commands

CommandDescription
npm run devStart dev server with hot reload
npm run buildCompile TypeScript
npm startRun compiled server
npm run mcpRun MCP server in dev mode

Environment Variables

VariableDefaultDescription
PORT3003REST API port
ENCRYPTION_KEYRequired for production. Secret for AES-256-GCM encryption of signing keys
TRADING_API_URLhttps://trading.purpleflea.comBase URL (for MCP server)
TRADING_API_KEYAPI key (for MCP server)

Tech Stack

  • Runtime: Node.js + TypeScript
  • Framework: Hono
  • Database: SQLite + Drizzle ORM
  • Execution: Hyperliquid DEX (main) + XYZ Protocol (HIP-3 RWAs)
  • Protocol: MCP over stdio

Research

This project is referenced in:

"Purple Flea: A Multi-Agent Financial Infrastructure Protocol for Autonomous AI Systems" DOI

Part of the Purple Flea Ecosystem

Purple Flea builds infrastructure for AI agents:

  • Agent Trading — 275+ perpetual futures markets via Hyperliquid (you are here)
  • Agent Casino — Provably fair gambling, 0.5% house edge
  • Crypto Data — 10,000+ cryptocurrency prices and market data
  • Finance Data — Stocks, forex, commodities, economic indicators
  • Referral Tracker — Cross-platform referral management

All services support crypto deposits on any chain. Swaps powered by Wagyu.xyz.

License

MIT

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