Watchlight

Spec sheet

Purpose

Watchlight is a visual regression testing tool for desktop apps and games that launches an executable, captures screenshots, and compares visual changes over time.Read 7 Oct 2026 · docs.getwatchlight.com

Audience

The site presents Watchlight for individual developers, teams running CI/CD pipelines, and QA workflows.Read 7 Oct 2026 · getwatchlight.com

AI integrations

Watchlight includes a local stdio MCP server for AI assistants, and its documentation gives setup examples for VS Code, Cursor, and Claude Code.Read 7 Oct 2026 · docs.getwatchlight.com

Baseline behavior

A scene uses its explicitly configured baseline, or otherwise the first snapshot by name order, as the comparison source.Read 7 Oct 2026 · docs.getwatchlight.com

Beta pricing

The pricing page says all features, including CLI and MCP, are free during beta and beta testers will receive a founding-member discount when Pro launches.Read 7 Oct 2026 · getwatchlight.com

Capture

Screenshots can be captured after a delay or when a configured stdout pattern appears.Read 7 Oct 2026 · docs.getwatchlight.com

CI automation

Watchlight provides headless CLI commands for capturing and analyzing snapshots, with structured JSON output and an optional strict mode that returns a non-zero exit code when visual diffs fail.Read 7 Oct 2026 · docs.getwatchlight.com

CI integrations

The website says Watchlight works with any CI system and names GitHub Actions, GitLab, and Jenkins as examples.Read 7 Oct 2026 · getwatchlight.com

Diff analysis

The app offers side-by-side comparisons, multiple diff modes, configurable thresholds, and pass/fail results with diff percentages.Read 7 Oct 2026 · getwatchlight.com

Local operation

The website says Watchlight runs entirely locally with no cloud dependency.Read 7 Oct 2026 · getwatchlight.com

Pricing limits

The pricing page says the free GUI tier has no artificial limits on projects, scenes, or snapshots; CLI and MCP require Pro after beta.Read 7 Oct 2026 · getwatchlight.com

Supported app types

The website lists WPF, WinUI, Qt, Electron, Tauri, Unity, and Godot among the app technologies it is built for.Read 7 Oct 2026 · getwatchlight.com

Plans and prices

Every Watchlight plan and price →

Where Specifiction places it

• Visual Regression Testing Software#19 of 267.3