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  • Aug 19, 2025

    Agents can now access protected deployments via Vercel’s MCP server

    Two new tools are now available in Vercel’s MCP server:

    • get_access_to_vercel_url Generates a shareable URL that allows agent tools such as web fetch or Playwright to access deployments protected by Vercel Authentication. The URL is temporary and grants access without requiring login credentials.

    • web_fetch_vercel_url Allows agents to directly fetch content from deployments protected by Vercel Authentication, even if a normal fetch would return 401 Unauthorized or 403 Forbidden.

    Get started with the Vercel MCP server.

    Connect to Vercel MCP

    Read the docs to learn more about the server

    Get started

    Malte Ubl, Kit Foster

  • Aug 19, 2025

    Node.js Vercel Functions now support fetch web handlers

    Vercel Functions running on the Node.js runtime now support the fetch web handlers, improving interoperability across JavaScript runtimes and frameworks.

    export default {
    fetch(request: Request) {
    return new Response('Hello from Vercel!');
    }
    };

    You can still export individual HTTP methods, if preferred.

    Learn more about fetch web handlers in the docs.

    Tom Lienard, Jeff See, Pooya Pasa

  • Aug 18, 2025

    Native support for SvelteKit's new OpenTelemetry spans

    Vercel now directly integrates with SvelteKit's new server-side OpenTelemetry spans.

    To get started, activate experimental tracing in SvelteKit:

    svelte.config.js
    /** @type {import('@sveltejs/kit').Config} */
    const config = {
    kit: {
    experimental: {
    tracing: {
    server: true,
    },
    instrumentation: {
    server: true,
    }
    }
    }
    };
    export default config;

    And create the tracing instrumentation file with the Vercel OpenTelemetry collector:

    src/instrumentation.server.ts
    import { registerOTel } from '@vercel/otel';
    registerOTel({
    serviceName: 'my-sveltekit-app'
    });

    Traces generated during tracing sessions will now include the built-in SvelteKit spans. You can also configure other collectors. See the SvelteKit observability docs for more information.

    SvelteKit integrated spans (in green) shown beneath Vercel infrastructure spans. Delays added for illustration.
    SvelteKit integrated spans (in green) shown beneath Vercel infrastructure spans. Delays added for illustration.

    Elliott Johnson

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