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Copilot Studio Layout Enhancer

Make Test your agent canvas take 80% width and hide Create button

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Copilot Studio Layout Enhancer
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  Make Test your agent canvas take 80% width and hide Create button
// @author       You
// @match        https://copilotstudio.microsoft.com/environments/*/create/new
// @grant        none
// ==/UserScript==


(function() {
    'use strict';


    // Add custom styles
    const style = document.createElement('style');
    style.textContent = `
        /* Make the Test your agent canvas take up 80% of the window */
        div.___95z3l10.f22iagw.ff23yd3.f6dzj5z.fi4v0vl.fly5x3f.f61z0x5.fprs0cq {
            width: 80% !important;
            max-width: 80% !important;
            flex: 0 0 80% !important;
        }


        /* Hide the Create button */
        button[data-telemetry-id="GPTCreationPage-ActionMenu-Create"] {
            display: none !important;
        }


        /* Adjust the left panel to take remaining space */
        div.___95z3l10.f22iagw.ff23yd3.f6dzj5z.fi4v0vl.fly5x3f.f61z0x5.fprs0cq ~ * {
            flex: 1 !important;
        }
    `;
    document.head.appendChild(style);


    // Function to hide Create button (in case it loads after initial page load)
    function hideCreateButton() {
        const createButton = document.querySelector('button[data-telemetry-id="GPTCreationPage-ActionMenu-Create"]');
        if (createButton) {
            createButton.style.display = 'none';
        }
    }


    // Function to resize the Test your agent panel
    function resizeTestPanel() {
        const testPanel = document.querySelector('div.___95z3l10.f22iagw.ff23yd3.f6dzj5z.fi4v0vl.fly5x3f.f61z0x5.fprs0cq');
        if (testPanel) {
            testPanel.style.width = '80%';
            testPanel.style.maxWidth = '80%';
            testPanel.style.flex = '0 0 80%';
        }
    }


    // Run immediately
    hideCreateButton();
    resizeTestPanel();


    // Watch for DOM changes in case elements load dynamically
    const observer = new MutationObserver(function(mutations) {
        hideCreateButton();
        resizeTestPanel();
    });


    // Start observing
    observer.observe(document.body, {
        childList: true,
        subtree: true
    });


    // Also run after a short delay to catch any delayed loads
    setTimeout(() => {
        hideCreateButton();
        resizeTestPanel();
    }, 1000);


    setTimeout(() => {
        hideCreateButton();
        resizeTestPanel();
    }, 2000);
})();