Design Patterns MCP Server

{ "id": "agent-loop", "name": "Agent Loop Pattern", "category": "AI/ML", "description": "Continuous cycle of observation, reasoning, action, and feedback", "when_to_use": "Interactive environments\nContinuous learning\nAdaptive behavior", "benefits": "Continuous improvement\nAdaptive behavior\nReal-time response\nLearning capability", "drawbacks": "Resource intensive\nPotential loops\nComplexity", "use_cases": "Autonomous agents\nGame AI\nRobotic control", "complexity": "High", "tags": [ "agent", "loop", "continuous" ], "examples": { "python": { "language": "python", "code": "# Agent Loop: continuous perception-action cycle\n\nclass AgentLoop:\n def __init__(self, llm, tools, max_iterations=10):\n self.llm = llm\n self.tools = tools\n self.max_iterations = max_iterations\n \n def run(self, goal: str):\n state = {\"goal\": goal, \"done\": False, \"iterations\": 0}\n \n while not state[\"done\"] and state[\"iterations\"] < self.max_iterations:\n # 1. Observe current state\n observation = self.observe(state)\n \n # 2. Think: decide next action\n thought = self.llm.generate(f\"\"\"\n Goal: {state['goal']}\n Observation: {observation}\n What should I do next?\n \"\"\")\n \n # 3. Act: execute action\n action_result = self.act(thought)\n \n # 4. Update state\n state[\"iterations\"] += 1\n state[\"last_result\"] = action_result\n \n # 5. Check if goal achieved\n state[\"done\"] = self.check_completion(state, action_result)\n \n return state\n \n def observe(self, state):\n return f\"Iteration {state['iterations']}, Last: {state.get('last_result', 'None')}\"\n \n def act(self, thought: str):\n # Parse and execute tool\n if 'search' in thought.lower():\n return self.tools['search'](\"query\")\n return \"action completed\"\n \n def check_completion(self, state, result):\n check = self.llm.generate(f\"Is goal '{state['goal']}' achieved? Result: {result}\")\n return 'yes' in check.lower()\n\n# Usage: autonomous goal pursuit\nagent = AgentLoop(llm, {'search': lambda q: f\"found: {q}\"})\nagent.run(\"Find the capital of France\")" } } }