import { z } from "zod";
import fs from "fs";
import { fileURLToPath } from "url";
import { dirname, join } from "path";
import { BaseTool } from "./base-tool.js";
import { httpUtilInstance, createHttpUtil, type ServerConfig } from "../utils/api.js";
const getRules = () => {
try {
const currentFileUrl = import.meta.url;
const currentFilePath = fileURLToPath(currentFileUrl);
const currentDir = dirname(currentFilePath);
const markdownPath = join(currentDir, "../markdown/meta.md");
return fs.readFileSync(markdownPath, "utf-8");
} catch {
return "";
}
};
const rules = getRules();
const META_TOOL_NAME = "mcp__getMeta";
const META_TOOL_DESCRIPTION = `
Use this tool when the user intends to build a complete website or needs to obtain high-level site
configuration information. You must provide a fileld and layerld to identify the specific design element.
This tool returns the rules and results of the site and page. The rules is a markdown file, you must
follow the rules and use the results to analyze the site and page.
`;
export class GetMetaTool extends BaseTool {
name = META_TOOL_NAME;
description = META_TOOL_DESCRIPTION;
private httpUtil: ReturnType<typeof createHttpUtil>;
constructor(config?: ServerConfig) {
super();
this.httpUtil = config ? createHttpUtil(config) : httpUtilInstance;
}
schema = z.object({
fileId: z
.string()
.describe(
"MasterGo design file ID (format: file/<fileId> in MasterGo URL)"
),
layerId: z
.string()
.describe(
"Layer ID of the specific component or element to retrieve (format: ?layer_id=<layerId> / file=<fileId> in MasterGo URL)"
),
});
async execute({ fileId, layerId }: z.infer<typeof this.schema>) {
try {
const result = await this.httpUtil.getMeta(fileId, layerId);
return {
content: [
{
type: "text" as const,
text: JSON.stringify({
result,
rules,
}),
},
],
};
} catch (error: any) {
const errorMessage = error.response?.data ?? error?.message;
return {
isError: true,
content: [
{
type: "text" as const,
text: JSON.stringify(errorMessage),
},
],
};
}
}
}
