hide_mongo.js

// ==UserScript==
// @name        Hide LinkedIn Posts
// @namespace   http://tampermonkey.net/
// @version     1.0
// @description Hide posts with MongoDB as the employer on LinkedIn
// @author      You
// @match       *://www.linkedin.com/*
// @grant       none
// ==/UserScript==

(function() {
    'use strict';

    const observer = new MutationObserver(mutations => {
        mutations.forEach(mutation => {
            const posts = document.querySelectorAll('.artdeco-entity-lockup__content');
            posts.forEach(post => {
                const employerElement = post.querySelector('.artdeco-entity-lockup__subtitle');
                if (employerElement && employerElement.textContent.includes('MongoDB')) {
                    post.style.display = 'none';
                }
            });
        });
    });

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