TOOL4LM

Instructions

Implementation Reference

• src/tools/scholar.ts:17-29 (handler)

  The core handler function that fetches and returns Wikipedia page summary using the public REST API.

  export async function wikiGet(title: string, lang = 'vi') {
    const url = `https://${lang}.wikipedia.org/api/rest_v1/page/summary/${encodeURIComponent(title)}`;
    const res = await fetchWithLimits(url, 8000, 1024*1024);
    if (!res.body) return null;
    const data = JSON.parse(res.body.toString('utf-8'));
    return {
      title: data.title,
      url: data.content_urls?.desktop?.page || data.canonical || '',
      abstract: data.extract || '',
      source: 'wikipedia',
      updatedAt: data.timestamp || new Date().toISOString()
    };
  }

• src/server.ts:218-223 (registration)

  MCP server registration for the 'wiki_get' tool, invoking the wikiGet handler and formatting response.

  server.tool('wiki_get', 'Alias of wiki.get',
    wikiGetShape, OPEN,
    async ({ title, lang }) => {
      const res = await wikiGet(title, lang || 'vi');
      return { content: [{ type: 'text', text: JSON.stringify(res) }] };
    }

• src/server.ts:210-210 (schema)

  Input schema validation using Zod for the wiki_get tool parameters.

  const wikiGetShape = { title: z.string(), lang: z.string().optional() };