// src/tools/binance-margin/cross-margin-api/crossMarginCapitalFlow.ts
import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
import { marginClient } from "../../../config/binanceClient.js";
import { z } from "zod";
export function registerBinanceCrossMarginCapitalFlow(server: McpServer) {
server.tool(
"BinanceCrossMarginCapitalFlow",
"Get cross margin capital flow history including transfers, borrows, repays, and interest.",
{
asset: z.string().optional().describe("Filter by asset symbol"),
symbol: z.string().optional().describe("Filter by trading pair symbol"),
type: z.enum(["TRANSFER_IN", "TRANSFER_OUT", "BORROW", "REPAY", "BUY_INCOME", "SELL_LOSS", "TRADING_COMMISSION", "LIQUIDATION", "INTEREST", "SMALL_LIABILITY_EXCHANGE", "SMALL_ASSETS_EXCHANGE"]).optional().describe("Type of capital flow"),
startTime: z.number().int().optional().describe("Start time in milliseconds"),
endTime: z.number().int().optional().describe("End time in milliseconds"),
fromId: z.number().int().optional().describe("Start from ID"),
limit: z.number().int().optional().describe("Number of results (default 500, max 1000)"),
recvWindow: z.number().int().optional().describe("Time window for request validity")
},
async (params) => {
try {
const data = await marginClient.getCapitalFlow({
...(params.asset && { asset: params.asset }),
...(params.symbol && { symbol: params.symbol }),
...(params.type && { type: params.type }),
...(params.startTime && { startTime: params.startTime }),
...(params.endTime && { endTime: params.endTime }),
...(params.fromId && { fromId: params.fromId }),
...(params.limit && { limit: params.limit }),
...(params.recvWindow && { recvWindow: params.recvWindow })
});
return {
content: [{
type: "text",
text: `Cross Margin Capital Flow: ${JSON.stringify(data, null, 2)}`
}]
};
} catch (error) {
const errorMessage = error instanceof Error ? error.message : String(error);
return {
content: [{ type: "text", text: `Failed to get capital flow: ${errorMessage}` }],
isError: true
};
}
}
);
}
