Blog

All the latest Argos news, straight from the team.

Abstract illustration of an angular agent module examining a pair of screenshot tiles through a lens beside a highlighted diff mask

Guides

How to let Claude Code, Cursor and Codex review your visual diffs

Connect Claude Code, Cursor or Codex to the Argos MCP server with read-only scopes, then have the agent sort visual diffs into intended, regression or flaky.
Greg Bergé
Abstract illustration of the same letterform rendered on two machines, its edges magnified to show different pixel grids

Guides

Why Playwright screenshots differ between macOS, Linux and Docker

Playwright screenshots differ across macOS, Linux and Docker because fonts, hinting and anti-aliasing differ. Measured on 1.63: what Docker and flags fix.
Greg Bergé
Abstract illustration of several agent modules plugged into a central hub of screenshot tiles through glowing connectors

Guides

Which visual testing tools have an MCP server?

Argos, Applitools, Happo, Percy and TestMu AI run MCP servers that let AI agents read visual diffs. What each one exposes, checked October 2026.
Jeremy Sfez
Abstract illustration of a grid of component cards each passing through a camera frame into a stacked review panel

Guides

How to screenshot every Storybook story on every pull request

Screenshot every Storybook story on each pull request with the Vitest addon and Argos, the test-runner or a Playwright loop. Tested configs, themes and CI.
Jeremy Sfez
Abstract illustration of cramped local baselines fanning out into a shared review panel

Guides

Vitest visual testing: Browser Mode screenshots guide

Set up visual regression testing in Vitest browser mode with toMatchScreenshot, learn where local baselines break down, and scale with a review workflow.
Greg Bergé
Abstract illustration of an agent's lens driving a browser whose screenshots drop into a comparison frame

Guides

Playwright MCP and visual testing: let your agent check its UI

Playwright MCP lets coding agents drive a real browser while they code. Pair it with visual testing in CI to verify every PR. How the two fit together.
Jeremy Sfez
Abstract illustration of an aging local testing machine giving way to a modern cloud review panel

Guides

BackstopJS alternative in 2026: is it still worth using?

BackstopJS is free and self-hosted, but hasn't shipped since 2024. Where it still fits in 2026, and the best BackstopJS alternative.
Greg Bergé
Abstract illustration split in two: a deterministic pixel grid diff on one side, an AI agent inspecting a screenshot on the other

Guides

AI visual testing in 2026: what the AI actually does

AI visual testing means two different things: AI-powered diffing and AI-assisted review. Learn how each works, where AI helps, and what to trust.
Jeremy Sfez
Abstract illustration of a CI pipeline ending in a pixel-by-pixel screenshot comparison

Guides

Playwright visual regression testing in CI: complete guide

How to run Playwright visual regression testing in CI: toHaveScreenshot baselines, Docker for consistent rendering, update workflows, and scaling up.
Greg Bergé
Abstract illustration of the screenshot testing flow: capture, baselines, CI, and comparison

Guides

Screenshot testing: the complete guide

What screenshot testing is, how it works, and how to set it up: capture strategies, baseline management, CI integration, and the best tools in 2026.
Jeremy Sfez
Abstract illustration of a screenshot travelling from a terminal through a share link into a pull request comment

Company News

Agents, show your work: media sharing puts screenshots on pull requests

AI agents can't attach a screenshot to a GitHub pull request — there is no API for it. Argos media sharing gives them one: upload from the CLI, stage on a branch, and the demo lands on the PR automatically.
Greg Bergé
Abstract illustration of four stacks of snapshots with measurement brackets comparing their cost

Guides

Visual testing pricing in 2026: Percy vs Chromatic vs Argos

Visual testing pricing in 2026: what a snapshot costs on Argos, Chromatic, Percy, and Applitools, checked on each vendor's pricing page, with worked math.
Greg Bergé
Abstract illustration of two overlapping browser windows with highlighted pixel differences along their seam

Guides

Cypress visual regression testing: the 2026 guide

How to do visual regression testing in Cypress in 2026: local diff plugins vs cloud services, real setup code, and a comparison of your options.
Jeremy Sfez
Abstract illustration of four screenshots each showing a different flakiness artifact, followed by one clean stable frame

Guides

How to fix flaky visual tests: every root cause, solved

Flaky visual tests come from a short list of root causes: fonts, animations, lazy loading, dynamic data. Here is the fix for each one, with code.
Greg Bergé
Abstract illustration of a Storybook component grid branching into three alternative testing paths

Guides

Storybook visual testing without Chromatic (2026 guide)

Three ways to run Storybook visual testing without Chromatic in 2026: the Argos addon, a DIY Playwright setup, or staying put. Real pricing and setup code.
Jeremy Sfez
Abstract illustration of screenshots fanning out from a central node to five alternative destinations

Guides

Percy alternatives in 2026: 5 tools compared + migration guide

Looking for Percy alternatives? Compare Argos, Chromatic, Applitools, and more on pricing and capture model, plus a step-by-step migration guide.
Greg Bergé

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