Foundry MCP Server

import { McpServer, ResourceTemplate } from "@modelcontextprotocol/sdk/server/mcp.js"; import { getAnvilInfo } from "../utils/rpc.js"; import { executeCommand, FOUNDRY_PATHS } from "../utils/command.js"; export function registerAllResources(server: McpServer): void { registerAnvilStatusResource(server); registerContractSourceResource(server); } function registerAnvilStatusResource(server: McpServer): void { server.resource( "anvil_status", "anvil://status", async (uri) => { const info = await getAnvilInfo(); return { contents: [{ uri: uri.href, text: JSON.stringify(info, null, 2) }] }; } ); } function registerContractSourceResource(server: McpServer): void { server.resource( "contract_source", new ResourceTemplate("contract://{address}/source", { list: undefined }), async (uri, { address }) => { try { const command = `${FOUNDRY_PATHS.castPath} etherscan-source ${address}`; const { success, message } = await executeCommand(command); if (success) { return { contents: [{ uri: uri.href, text: message }] }; } else { return { contents: [{ uri: uri.href, text: JSON.stringify({ error: "Could not retrieve contract source", details: message }) }] }; } } catch (error) { return { contents: [{ uri: uri.href, text: JSON.stringify({ error: "Failed to retrieve contract source" }) }] }; } } ); }