Auto-fill and submit searches on Perplexity.ai using URL parameters
// ==UserScript==
// @name Perplexity Auto Search
// @namespace http://tampermonkey.net/
// @version 1.0
// @description Auto-fill and submit searches on Perplexity.ai using URL parameters
// @author Sergio Dias
// @license MIT
// @match https://www.perplexity.ai/*
// @match https://perplexity.ai/*
// @grant none
// ==/UserScript==
/*
* MIT License
*
* Copyright (c) 2025 Sergio Dias
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
(function() {
'use strict';
// Prevent multiple executions
if (window.__perplexityAutoSearchRan) {
return;
}
window.__perplexityAutoSearchRan = true;
// Parse URL parameters
const urlParams = new URLSearchParams(window.location.search);
const searchQuery = urlParams.get('s');
const mode = urlParams.get('mode') || 'search'; // 'search' or 'research'
// Exit if no search query provided
if (!searchQuery) {
return;
}
// Helper to wait
const wait = (ms) => new Promise(resolve => setTimeout(resolve, ms));
// Wait for an element to appear
function waitForElement(selector, timeout = 10000) {
return new Promise((resolve, reject) => {
const startTime = Date.now();
const checkElement = () => {
const element = document.querySelector(selector);
if (element) {
resolve(element);
return;
}
if (Date.now() - startTime >= timeout) {
reject(new Error(`Element ${selector} not found within ${timeout}ms`));
return;
}
requestAnimationFrame(checkElement);
};
checkElement();
});
}
// Set text in the Lexical editor input
function setInputText(input, text) {
input.focus();
document.execCommand('selectAll', false, null);
document.execCommand('insertText', false, text);
}
// Set Search mode (regular mode)
function setSearchMode() {
const searchRadio = document.querySelector('[role="radio"][aria-label="Search"]');
if (searchRadio && searchRadio.getAttribute('aria-checked') !== 'true') {
searchRadio.click();
}
}
// Try to enable Research mode
// Returns true if Research mode is now active, false if login required
async function tryEnableResearchMode() {
const researchRadio = document.querySelector('[role="radio"][aria-label="Research"]');
if (!researchRadio) {
return false;
}
researchRadio.click();
// Wait for potential modal to appear
await wait(500);
// Check if login modal appeared
const closeModalBtn = document.querySelector('[data-testid="close-modal"]');
const heading = document.querySelector('h1');
const isLoginModal = closeModalBtn && heading?.textContent?.includes('Sign in');
if (isLoginModal) {
// Close the modal - Research requires Pro/login
closeModalBtn.click();
await wait(300);
// Fall back to Search mode
setSearchMode();
return false;
}
// Check if Research mode is now active
return researchRadio.getAttribute('aria-checked') === 'true';
}
// Click the Submit button
function clickSubmit() {
const submitBtn = document.querySelector('button[aria-label="Submit"]');
if (submitBtn) {
submitBtn.click();
return true;
}
return false;
}
// Main execution
async function main() {
try {
// Wait for the input to be available
const input = await waitForElement('#ask-input');
// Small delay to ensure the page is fully interactive
await wait(500);
// Set the search query text
setInputText(input, searchQuery);
await wait(300);
// Set the search mode based on parameter
if (mode === 'research') {
await tryEnableResearchMode();
} else {
// Default to search mode
setSearchMode();
}
// Wait for submit button to appear
await waitForElement('button[aria-label="Submit"]');
// Small delay before submitting
await wait(200);
// Click submit
clickSubmit();
} catch (error) {
alert('Perplexity Auto Search error: ' + error.message);
}
}
// Run when DOM is ready
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', main);
} else {
main();
}
})();