Foundry MCP Server

import { z } from "zod"; import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js"; import { checkFoundryInstalled, executeCommand, FOUNDRY_PATHS, FOUNDRY_NOT_INSTALLED_ERROR } from "../../utils/command.js"; export function registerConvertEthUnitsTool(server: McpServer): void { server.tool( "convert_eth_units", "Convert between Ethereum units (wei, gwei, ether)", { value: z.string().describe("Value to convert"), fromUnit: z.enum(["wei", "gwei", "ether"]).describe("Source unit"), toUnit: z.enum(["wei", "gwei", "ether"]).describe("Target unit") }, async ({ value, fromUnit, toUnit }) => { const installed = await checkFoundryInstalled(); if (!installed) { return { content: [{ type: "text", text: FOUNDRY_NOT_INSTALLED_ERROR }], isError: true }; } const command = `${FOUNDRY_PATHS.castPath} to-unit ${value}${fromUnit} ${toUnit}`; const result = await executeCommand(command); return { content: [{ type: "text", text: result.success ? `${value} ${fromUnit} = ${result.message.trim()} ${toUnit}` : `Conversion failed: ${result.message}` }], isError: !result.success }; } ); }