ego(lite) articles

Everything you need to know about browser automation

Guides, insights, comparisons, and reviews across Playwright MCP, Browser Use, Chrome DevTools MCP, coding agents, and the browsers they drive.

Agent harness: what it is, how to build one, how to choose

Guides

Agent harness: what it is, how to build one, how to choose

Agent equals model plus harness. Three authorities currently disagree about where a harness ends and a runtime begins, so this starts by settling that, then builds a small one, then looks at the part almost nobody writes about: what the agent actually sees on the web.

Oct 26, 2026 · 18 min read

How AI agents connect to your existing browser and logged-in sessions

Guides

How to connect AI agents to your existing browser

The most-requested agent capability across forums and issue trackers, mapped honestly: four routes with their mechanisms and risks, the account and permission checks each one requires, and the two questions that pick yours.

Oct 26, 2026 · 10 min read

Cursor browser automation: common fixes and stronger alternatives

Guides

Cursor browser automation: MCP, fixes, and alternatives

Know the built-in Browser's real boundary before debugging around it: per-workspace isolated state, approval-gated tools, and no automatic inheritance of your personal logins. The three routes beyond it, plus fixes for common failures.

Oct 26, 2026 · 16 min read

AI scraping behind login walls: digging past padlocks and login screens

Guides

AI scraping behind login walls: X and LinkedIn (2026)

Scraping behind a login is three routes, not one: inject a session, reuse a real browser's session, or point a no-code tool at it. For X and LinkedIn, collect only what the signed-in account is allowed to read, record evidence, and never treat a login as permission to bypass controls.

Oct 26, 2026 · 20 min read

Playwright theatre masks beside a white play button on a blue background

Guides

Playwright works locally but fails in production

The same spec passes on your laptop and fails on the runner. Five reproduced failures show which differences to check and how to fix them.

Oct 25, 2026 · 12 min read

Illustration of a cloud-shaped character holding an MCP sign beside a server rack inside a purple cloud, framed by a browser window

Guides

What is an MCP server? A practical guide for 2026

Most explainers list the benefits. Almost none tell you what a server costs you per step, or how to decide whether you need one. This one does both, using the protocol's own spec and its biggest maintainers' own words.

Oct 25, 2026 · 13 min read

Browser agent extensions vs a shared agent browser: who owns the window

Comparisons

Browser extensions vs shared agent browser: which is better?

The choice nobody frames: vendor extensions put the agent in the browser you're using; a shared agent browser gives it its own window with your logins. Five daily collisions help you choose, while a separate permission check establishes what the agent can access.

Oct 25, 2026 · 9 min read

Playwright and Cypress logos facing each other on a blue illustrated background

Comparisons

Playwright vs Cypress: reliability and migration

Playwright and Cypress serve different testing workflows; our live comparison also shows when ego(lite) is the more direct path to a one-off result.

Oct 24, 2026 · 18 min read

Selenium MCP setup for existing Grid, and when Playwright MCP is the better default

Guides

Selenium MCP: setup and when to use Playwright MCP instead

Keep useful Selenium suites, then inspect what the MCP adapter actually exposes. Grid connections, test runners, waits, and session state remain separate integration decisions.

Oct 24, 2026 · 8 min read