MCP App Store
by KeenEthics

Overview

Kera is a shared shopping list and budget for a household. Connect the Kera account you already use, choose one household, and ask ChatGPT about it in plain words. What you can do: - See what is on the list and what was bought recently. - Add items to the list. Kera checks for a similar item first, so the same thing isn't added twice. - Save something you'd like to your Kera wishlist, with a product link or a target price. - Check how much is left in this period's budget, for the whole household or for one category, and see recent spending by category and store. - See what your household paid for an item before. - If you approve purchases in your household, see the requests waiting for you and approve or decline them. ChatGPT asks you before it does. Who it is for: adults who run a household's shopping in Kera, such as parents, partners or roommates who share one list. You need a Kera account (aikera.app), and you can connect only a household you belong to. What it does not do: - Kera does not buy anything or take payments. Approving a request marks it ready to buy; someone in the household still buys it. - It works on one household at a time: the one you chose when you connected. - A child's requests are never shared with ChatGPT. They show only as "an item a child asked for" and can be answered only in the Kera app. Child accounts can't connect. - If your role in the household is Requester, budgets, spending and prices are not shared, just as in the Kera app. - Past prices come from your household's own purchases, not from the web. To disconnect, open Kera and go to Settings, Privacy, Connected apps.

Tools

add_item

ChatGPT
Add one item to the household's Kera shopping list. It checks for duplicates first and adds nothing if one is found.

add_to_wishlist

ChatGPT
Save something the person would like (not an everyday list item) to their Kera wishlist, with an optional link or price.

approve_request

ChatGPT
Approve one waiting request by its id from list_pending_approvals. It becomes ready to buy; Kera does not buy it.

decline_request

ChatGPT
Decline one waiting request by its id from list_pending_approvals, with an optional short reason for the asker.

get_budget_impact

ChatGPT
Get how much budget is left this period for one spending category, e.g. Groceries. Use to check if a purchase fits.

get_price_history

ChatGPT
Get what the household paid for an item before: current, lowest, highest and average. Its own purchases, not web prices.

get_safe_to_buy

ChatGPT
Get how much the household can still spend this budget period: the budget, minus spending, minus items on the list.

get_spending_summary

ChatGPT
Summarize the household's spending over the last N days (default 30): the total and top categories, stores and items.

list_items

ChatGPT
List what is on the household's Kera shopping list now, with each item's status in words and quantity, plus recent purchases.

list_pending_approvals

ChatGPT
List the requests waiting for this person to approve or decline in Kera, newest first. A child's requests are not listed.

Capabilities

InteractiveWrites

Example Prompts

Click any prompt to copy it.

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