Model Context Protocol (MCP) support with new use case (#42)

* initial mcp

* food ordering with mcp

* prompt eng

* splitting out goals and updating docs

* a diff so I can get tests from codex

* a diff so I can get tests from codex

* oops, missing files

* tests, file formatting

* readme and setup updates

* setup.md link fixes

* readme change

* readme change

* readme change

* stripe food setup script

* single agent mode default

* prompt engineering for better multi agent performance

* performance should be greatly improved

* Update goals/finance.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update activities/tool_activities.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* co-pilot PR suggested this change, and now fixed it

* stronger wording around json format response

* formatting

* moved docs to dir

* moved image assets under docs

* cleanup env example, stripe guidance

* cleanup

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

models/tool_definitions.py

@@ -1,5 +1,17 @@
 from dataclasses import dataclass
-from typing import List
+from typing import Dict, List, Optional
+
+
+@dataclass
+class MCPServerDefinition:
+    """Definition for an MCP (Model Context Protocol) server connection"""
+
+    name: str
+    command: str
+    args: List[str]
+    env: Optional[Dict[str, str]] = None
+    connection_type: str = "stdio"
+    included_tools: Optional[List[str]] = None
 
 
 @dataclass
@@ -26,3 +38,4 @@ class AgentGoal:
     description: str = "Description of the tools purpose and overall goal"
     starter_prompt: str = "Initial prompt to start the conversation"
     example_conversation_history: str = "Example conversation history to help the AI agent understand the context of the conversation"
+    mcp_server_definition: Optional[MCPServerDefinition] = None