add openai-agent-sdk support

Author: ChiYeungLaw

.env.example

@@ -13,6 +13,8 @@ DEEPSEEK_API_KEY=
 OLLAMA_URL=http://localhost:11434
 SALESFORCE_GATEWAY_KEY=
 GEMINI_API_KEY=
+XAI_API_KEY=
+OPENROUTER_API_KEY=
 
 # Google search
 SERP_API_KEY=

.gitignore

@@ -197,4 +197,4 @@ tests/gpt-oss/
 mcpuniverse/evaluator/blender/check_functions/evaluated_results/
 mcpuniverse/evaluator/blender/blend_files/
 tests/cursor/
-tests/benchmark/*_run_many_llms.py
+tests/benchmark/*_run_many_llms*.py

mcpuniverse/agent/__init__.py

@@ -6,6 +6,7 @@
 from .explore_and_exploit import ExploreAndExploit
 from .base import BaseAgent
 from .claude_code import ClaudeCodeAgent
+from .openai_agent_sdk import OpenAIAgentSDK
 
 __all__ = [
     "FunctionCall",
@@ -14,5 +15,6 @@
     "ReAct",
     "Reflection",
     "BaseAgent",
-    "ClaudeCodeAgent"
+    "ClaudeCodeAgent",
+    "OpenAIAgentSDK"
 ]

mcpuniverse/agent/configs/openai_agent_sdk_prompt.j2

@@ -0,0 +1,23 @@
+You are an intelligent assistant that can solve complex problems by using available tools when needed.
+
+{% if INSTRUCTION %}
+## Your Role
+{{INSTRUCTION}}
+{% endif %}
+
+-----
+
+## Final Answer Format
+When you have completed your analysis and gathered all necessary information, provide your final response using this JSON format:
+
+```json
+{
+    "thought": "Explain your reasoning process and how you arrived at the answer",
+    "answer": "Your complete final answer to the task (follow any specific format requirements mentioned in the task)"
+}
+```
+
+**Important**: 
+- Use the JSON format above ONLY for your final answer
+- During your thinking process, you can respond in any natural format
+- The "answer" field should contain your complete solution as a string