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purple-flea

Purple Flea Trading

Official

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

Method

Endpoint

Description

POST

/auth/register

Create account. Params: hl_wallet_address, hl_signing_key, referral_code?, wallet_agent_id?

GET

/auth/account

Account details, tier, volume, P&L, referral code

Markets

Method

Endpoint

Description

GET

/markets

All 275+ markets with categories and fee tiers

GET

/markets/stocks

All 29 equity perpetuals with prices

GET

/markets/commodities

All 9 commodity markets

GET

/markets/rwa

All 47 real-world assets (stocks + commodities + indices + forex)

GET

/markets/:coin

Detailed market info — max leverage, category, fees, trade examples

GET

/markets/:coin/price

Live price for any market

Trading

Method

Endpoint

Description

POST

/trade/open

Open a position. Params: coin, side (long/short), size_usd, leverage? (default 5)

POST

/trade/close

Close a position. Params: position_id

GET

/trade/positions

Open positions with live unrealized P&L (fetched from Hyperliquid)

GET

/trade/history

Trade history with prices, fees, realized P&L. limit? (default 50, max 200)

Referrals

Method

Endpoint

Description

GET

/referral/code

Your referral code and commission rate

GET

/referral/stats

Total referrals, fees generated, earnings

Fee Structure

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

Tier

Our Markup

Total Fee

Max Leverage

Max Position

Qualification

Free

+2 bps

5.5 bps (0.055%)

10x

$10,000

Default

Pro

+1 bp

4.5 bps (0.045%)

25x

$100,000

$50k+ monthly volume

Whale

0 bps

3.5 bps (0.035%)

50x

$1,000,000

$500k+ monthly volume

Example on a $1,000 trade:

Tier

Hyperliquid Fee

Purple Flea Markup

Total

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

Tool

Description

trading_list_markets

Browse all 275+ markets by category

trading_get_price

Live price for any market

trading_market_info

Detailed market info — leverage, fees, examples

trading_open_position

Open a leveraged long/short position

trading_close_position

Close a position and realize P&L

trading_get_positions

View open positions with live unrealized P&L

trading_history

Trade history with prices, fees, P&L

trading_account

Account details, tier, volume, referral code

trading_register

Create 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

Command

Description

npm run dev

Start dev server with hot reload

npm run build

Compile TypeScript

npm start

Run compiled server

npm run mcp

Run MCP server in dev mode

Environment Variables

Variable

Default

Description

PORT

3003

REST API port

ENCRYPTION_KEY

Required for production. Secret for AES-256-GCM encryption of signing keys

TRADING_API_URL

https://trading.purpleflea.com

Base URL (for MCP server)

TRADING_API_KEY

API 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:

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

License

MIT

-
security - not tested
F
license - not found
-
quality - not tested

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