canary

Monitor deployed apps for console errors, performance regressions, and page failures.

Updated Apr 21, 2026
One-click install
npx skills add https://github.com/chriswestt/claude-skills --skill canary-chriswestt
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: canary
Source: https://github.com/chriswestt/claude-skills/tree/main/gstack/canary
Command: npx skills add https://github.com/chriswestt/claude-skills --skill canary-chriswestt

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Post-deploy canary monitoring. Watches the live app for console errors, performance regressions, and page failures using the browse daemon. Takes periodic screenshots, compares against pre-deploy baselines, and alerts on anomalies. Use when: "monitor deploy", "canary", "post-deploy check", "watch production", "verify deploy". (gstack)

Core Features & Use Cases

Canary monitoring that detects runtime errors, performance regressions, and page failures. Baseline comparisons with pre-deploy baselines; screenshots and anomaly alerts.

Quick Start

Run the canary skill against a deployed app by triggering it in Claude with the canary prompts.

Frequently Asked Questions about canary

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I monitor my production app for errors after a deployment?

Post-deploy canary monitoring watches the live app for console errors, performance regressions, and page failures using a browse daemon. It takes periodic screenshots, compares them against pre-deploy baselines, and alerts you on detected anomalies to verify production stability.

What is a canary deployment check and how does baseline comparison work?

Canary deployment checks verify production stability by comparing live application states against pre-deploy baselines. The monitoring process captures periodic screenshots and uses the browse daemon to detect runtime errors, alerting you when page performance or visual output regresses.

How do I set up post-deploy monitoring to detect performance regressions?

Automated post-deploy monitoring detects performance regressions by applying a browse daemon during and after deployment. It continuously verifies production stability by comparing live periodic screenshots against established pre-deploy baselines and alerting on any anomalies.

Can I automatically alert on page failures and console errors during a deployment?

Yes, automated canary monitoring alerts on console errors and page failures during deployment. It applies baseline comparisons and periodic screenshots to surface regressions, actively guiding remediation when production anomalies are detected.

When do I need to use a canary monitoring skill for my deployment?

You need canary monitoring when you want to verify production stability after a deployment. It is used for post-deploy checks to watch for runtime errors, performance regressions, and page failures, alerting on anomalies to guide immediate remediation.