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templates/text-agents/agent-basic.ts

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+/**
+ * Basic Agent with Tools
+ *
+ * Demonstrates:
+ * - Creating an agent with instructions
+ * - Defining tools with Zod schemas
+ * - Running an agent and getting results
+ */
+
+import { z } from 'zod';
+import { Agent, run, tool } from '@openai/agents';
+
+// Define a tool with automatic schema generation
+const getWeatherTool = tool({
+  name: 'get_weather',
+  description: 'Get the current weather for a given city',
+  parameters: z.object({
+    city: z.string().describe('The city name'),
+    units: z.enum(['celsius', 'fahrenheit']).optional().default('celsius'),
+  }),
+  execute: async (input) => {
+    // Simulate API call
+    const temp = Math.floor(Math.random() * 30) + 10;
+    return `The weather in ${input.city} is sunny and ${temp}°${input.units === 'celsius' ? 'C' : 'F'}`;
+  },
+});
+
+// Create agent with tools
+const weatherAgent = new Agent({
+  name: 'Weather Assistant',
+  instructions: 'You are a friendly weather assistant. When users ask about weather, use the get_weather tool to provide accurate information.',
+  tools: [getWeatherTool],
+  model: 'gpt-4o-mini', // Default model
+});
+
+// Run the agent
+async function main() {
+  try {
+    const result = await run(
+      weatherAgent,
+      'What is the weather like in San Francisco?'
+    );
+
+    console.log('✅ Agent Response:', result.finalOutput);
+    console.log('📊 Tokens Used:', result.usage.totalTokens);
+    console.log('🔄 Turns:', result.history.length);
+
+  } catch (error) {
+    console.error('❌ Error:', error);
+    process.exit(1);
+  }
+}
+
+// Uncomment to run
+// main();
+
+export { weatherAgent, getWeatherTool };