Purple Flea
for Rivet

import { startDebuggerServer, runGraph } from '@ironclad/rivet-node';
import { purpleFleatRivetPlugin } from 'purpleflea-rivet';
import * as path from 'path';

async function runTradingAgent() {
  const result = await runGraph(
    // Path to your exported .rivet-project file
    path.resolve('./trading-agent.rivet-project'),
    {
      graph: 'main',
      inputs: {
        'user_prompt': {
          type: 'string',
          value: 'Check my BTC balance and open a 2x long position if price is above $95,000'
        }
      },
      externalFunctions: {},
      // Inject Purple Flea plugin with API credentials
      pluginSettings: {
        purpleflea: {
          apiKey: process.env.PURPLE_FLEA_API_KEY,
          testnet: process.env.NODE_ENV !== 'production'
        }
      },
      plugins: [purpleFleatRivetPlugin]
    }
  );

  console.log('Agent output:', result);
}

runTradingAgent().catch(console.error);

/* Rivet Graph: EMA Crossover Trading Agent

   Nodes and connections:

   [Input: user_prompt]
        ↓
   [Claude Sonnet 4.6 LLM]
     system: "You are a crypto trading agent. Use tools to analyze markets and execute trades."
        ↓
   [Loop until no tool call]
        ├── get_candles(symbol, interval, limit) → [EMA Calculation: Text Transform]
        │                                                    ↓
        │                                         [Conditional: crossover?]
        │                                          ↙          ↘
        │                           [open_position]          [hold]
        │                                    ↓
        │                           [get_positions] → [LLM context]
        ↓
   [Output: final_response]
*/

// The same graph, programmatic version for reference:
const agent = new PurpleFleatRivetAgent({
  graph: 'ema_crossover_trader',
  model: 'claude-sonnet-4-6',
  tools: ['get_candles', 'open_position', 'close_position', 'get_positions']
});

const result = await agent.run('Monitor BTC-USD and execute EMA crossover strategy for 1 hour');