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fghaffar
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canary

Monitor live apps for console errors, performance regressions, and page failures after deployment.

Updated Mar 25, 2026
Search Tags:#monitoring#reliability#alerts#baseline#canary#post-deploy
One-click install
npx skills add https://github.com/fghaffar/faystack --skill canary-fghaffar
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: canary
Source: https://github.com/fghaffar/faystack/tree/main/canary
Command: npx skills add https://github.com/fghaffar/faystack --skill canary-fghaffar

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Canary monitoring solves the problem of catching production issues after deploys by watching the live app for console errors, performance regressions, and page failures, then surfacing alerts before customers notice.

Core Features & Use Cases

  • Real-time post-deploy monitoring using the browse daemon to surface errors and performance issues across pages.
  • Baseline capture, screenshots, and periodic checks to detect regressions and new failures.
  • Alerts and reports after checks to guide rapid triage and rollback decisions.

Quick Start

Run /canary <url> to start a 10-minute post-deploy monitoring session.

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 monitoring watches a live app for console errors, performance regressions, and page failures. It surfaces alerts after deployment so you can catch production issues before customers notice.

What is canary monitoring and how does it detect production regressions?▼

Canary monitoring detects production issues by watching a live app for console errors, performance regressions, and page failures. It uses baseline capture and periodic checks to identify regressions and new failures after deployment.

How do I start a post-deploy monitoring session for a live URL?▼

Run /canary <url> to start a 10-minute post-deploy monitoring session. This initiates baseline capture, screenshots, and periodic checks to detect regressions and new failures across pages.

Do I need a browse daemon to run post-deploy canary checks?▼

Yes, post-deploy canary monitoring requires the browse daemon and the canary tooling to run. These dependencies enable real-time monitoring across pages to surface errors and performance issues.

Can I customize the duration and pages for post-deploy monitoring?▼

Yes, post-deploy monitoring supports optional pages, duration, and quick-check modes. You can configure these options to enable early alerting and human review after deployment based on your specific monitoring needs.

What outputs does canary monitoring provide for rollback decisions?▼

Canary monitoring outputs alerts and reports after checks to guide rapid triage and rollback decisions. It surfaces console errors, performance regressions, and page failures to help you validate post-deploy stability.

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