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>

tools/__init__.py

@@ -8,6 +8,7 @@ from .fin.get_account_balances import get_account_balance
 from .fin.move_money import move_money
 from .fin.submit_loan_application import submit_loan_application
 from .find_events import find_events
+from .food.add_to_cart import add_to_cart
 from .give_hint import give_hint
 from .guess_location import guess_location
 from .hr.book_pto import book_pto
@@ -66,5 +67,7 @@ def get_handler(tool_name: str):
         return give_hint
     if tool_name == "GuessLocation":
         return guess_location
+    if tool_name == "AddToCart":
+        return add_to_cart
 
     raise ValueError(f"Unknown tool: {tool_name}")