Add MCP Server Quickstart

[ProgrammerAL]

• Added a quickstart page for an MCP Server demo using DCR
• Added a Samples page for MCP Server with a link to the GitHub Samples repo

This is the documentation update for https://github.com/DuendeSoftware/customer-success/issues/864

[Copilot]

Pull request overview

Adds new Duende IdentityServer documentation covering an MCP Server demo that uses Dynamic Client Registration (DCR), plus a Samples landing page entry that links to the corresponding GitHub sample.

Changes:

• Added a new quickstart: “Connecting an MCP Server and Client with DCR”
• Added a new Samples page: “MCP Server and Client” with a LinkCard to the demo repo
• Cross-linked the quickstart and the sample page

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 3 comments.

File	Description
astro/src/content/docs/identityserver/samples/mcp-server.mdx	New samples page for the MCP demo, with links to DCR docs and the GitHub sample.
astro/src/content/docs/identityserver/quickstarts/8-mcp.mdx	New end-to-end quickstart describing IdentityServer + MCP Server + console client setup using DCR.

Suppressed comments (4)

astro/src/content/docs/identityserver/quickstarts/8-mcp.mdx:29

• Grammar: "The below steps … adds" should be "The steps below … add".

The IdentityServer project needs to be configured to use DCR to allow clients at runtime. The below steps disable the static clients and adds DCR. Add a new Duende IdentityServer InMemory project to its own directory inside the `mcp-quickstart` directory you created above.

astro/src/content/docs/identityserver/quickstarts/8-mcp.mdx:101

• Typo in the code comment: "metadatada" should be "metadata".

        // this will add the default dynamic client registration endpoint to the discovery/metadatada documents

astro/src/content/docs/identityserver/quickstarts/8-mcp.mdx:170

• Minor typo/formatting in the snippet comment: add a space after // for readability/consistency.

    //Add this line

astro/src/content/docs/identityserver/quickstarts/8-mcp.mdx:492

• The XML doc comment block is malformed (it closes </summary> without opening <summary>) and the <param> names don’t match the method signature (authContext, not authorizationUrl/redirectUri). Since this is a copy/paste snippet, it’s worth keeping it correct.

/// Handles the OAuth authorization URL by starting a local HTTP server and opening a browser.
/// This implementation demonstrates how SDK consumers can provide their own authorization flow.
/// </summary>
/// <param name="authorizationUrl">The authorization URL to open in the browser.</param>
/// <param name="redirectUri">The redirect URI where the authorization code will be sent.</param>

---

💡 Add a code-review agent skill or configure MCP servers for context-aware, tailored reviews. Learn more in the docs.

[maartenba]

Left a bunch of comments, roughly two groups:

1. The reader arrives wanting to secure AI tools, not learn about DCR per se (it's a means to an end). Flipping to "here's how to secure your MCP server with IdentityServer (using DCR under the hood)"
2. Elaboration on some concepts. It's not the easiest topic and I think we may be glossing over a couple of things currently.
3. (OK three groups) Some formatting/Astro suggestions.

This guy is on vacation and AL resolved his issues.