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>

goals/__init__.py

@@ -0,0 +1,44 @@
+import os
+from typing import List
+
+import tools.tool_registry as tool_registry
+from goals.agent_selection import agent_selection_goals
+from goals.ecommerce import ecommerce_goals
+from goals.finance import finance_goals
+from goals.food import food_goals
+from goals.hr import hr_goals
+from goals.stripe_mcp import mcp_goals
+from goals.travel import travel_goals
+from models.tool_definitions import AgentGoal
+
+goal_list: List[AgentGoal] = []
+goal_list.extend(agent_selection_goals)
+goal_list.extend(travel_goals)
+goal_list.extend(hr_goals)
+goal_list.extend(finance_goals)
+goal_list.extend(ecommerce_goals)
+goal_list.extend(mcp_goals)
+goal_list.extend(food_goals)
+
+# for multi-goal, just set list agents as the last tool
+first_goal_value = os.getenv("AGENT_GOAL")
+if first_goal_value is None:
+    multi_goal_mode = False  # default to single agent mode if unset
+elif (
+    first_goal_value is not None
+    and first_goal_value.lower() == "goal_choose_agent_type"
+):
+    multi_goal_mode = True
+else:
+    multi_goal_mode = False
+
+if multi_goal_mode:
+    for goal in goal_list:
+        list_agents_found: bool = False
+        for tool in goal.tools:
+            if tool.name == "ListAgents":
+                list_agents_found = True
+                continue
+        if list_agents_found is False:
+            goal.tools.append(tool_registry.list_agents_tool)
+            continue