tandem-lac.vercel.app
A multi-branch restaurant back office where an AI agent reads freely but can never change anything alone. Every write is a costed proposal the manager approves. Built on WebMCP.
First seen 2026-11-05 · Last seen 2026-11-05 · Source: webmcp.com
Answer 12 · Act 4 · Transact 1 · Score: Not yet scored
Tool inspector
propose_price_change
Proposes a new price for one menu item. Does NOT change the price: it puts a costed proposal on the manager's screen showing the projected weekly margin effect after demand elasticity, and returns only once they approve or reject. Give a clear rationale — they see it.
Input schema
| Property | Type | Required | Description |
|---|---|---|---|
itemId |
string | yes | Menu item id, from list_menu. |
newPriceCents |
number | yes | New price in cents, e.g. 1650 for $16.50. |
branchIds |
array | no | Branch ids to act on. Omit or leave empty to mean the whole chain. Use list_branches to get ids. |
rationale |
string | yes | Why this change is worth making, in one or two sentences. |
Raw JSON schema
{
"type": "object",
"properties": {
"itemId": {
"type": "string",
"description": "Menu item id, from list_menu."
},
"newPriceCents": {
"type": "number",
"description": "New price in cents, e.g. 1650 for $16.50."
},
"branchIds": {
"type": "array",
"items": {
"type": "string"
},
"description": "Branch ids to act on. Omit or leave empty to mean the whole chain. Use list_branches to get ids."
},
"rationale": {
"type": "string",
"description": "Why this change is worth making, in one or two sentences."
}
},
"required": [
"itemId",
"newPriceCents",
"rationale"
]
}
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