www.lirn.net

01An MCP endpoint an agent can reach

02Honest annotations on tools

03Markdown content negotiation

// Next.js route handler
if (request.headers.get("accept")?.includes("text/markdown")) {
  return new Response(markdownFor(slug), {
    headers: { "content-type": "text/markdown; charset=utf-8", vary: "Accept" },
  });
}

// Register the first tool an agent can call on this page.
// Works today with the polyfill: npm install @mcp-b/global
await document.modelContext.registerTool({
  name: "get_page_summary",
  description: "Return a short summary of the current page and links to its main sections.",
  inputSchema: { type: "object", properties: {} },
  annotations: { readOnlyHint: true },
  execute: async (_args, { signal }) => {
    const text = document.querySelector("main")?.innerText.slice(0, 2000) ?? document.title;
    return { content: [{ type: "text", text }] };
  },
});

{
  "name": "www.lirn.net",
  "description": "Return a short summary of this site and links to its main sections.",
  "tools": [
    {
      "name": "get_page_summary",
      "description": "Return a short summary of the current page and links to its main sections."
    }
  ],
  "pages": [
    "https://www.lirn.net/"
  ]
}

# Academic Resources and Services from LIRN

> LIRN empowers schools, students, and libraries to reach their full potential.

## Main pages
- [Start](https://www.lirn.net/)
- [About](https://www.lirn.net/about)
- [Contact](https://www.lirn.net/contact)