Quote a Polymarket order before you place it: resolves the market and outcome token, walks the live order book for the expected fill (shares, average and worst price, slippage vs best and mid) and shows the platform fee and total cost. Read-only: places no order. Accepts a market slug, id, polymarket.com URL or a prediction_market_arbitrage id (polymarket:
| Name | Type | Required | Description |
|---|---|---|---|
| market | string | required | Market slug, Gamma id, polymarket.com URL, or 'polymarket: |
| outcome | string | optional | Outcome to trade, e.g. 'Yes' or 'No' (default 'Yes') |
| side | string | optional | buy (default) or sell |
| amountUsd | string | optional | For a buy: USD to spend |
| shares | string | optional | For a sell: shares to sell |
| limitPrice | string | optional | Optional limit price between 0 and 1 (a multiple of the market's tick size) |
// MCP tool call
{
"name": "polymarket_quote",
"arguments": {
"market": "",
"outcome": "",
"side": "",
"amountUsd": "",
"shares": "",
"limitPrice": ""
}
}
// Add to your MCP config — this tool is immediately available
{
"mcpServers": {
"toolbooth": { "url": "https://toolbooth.io/mcp" }
}
}