GitHub Copilot + Chrome Extension

Built a chrome extension with GitHub Copilot?
We'll make it production-ready.

Chrome extensions have unique security considerations — they run in users' browsers with elevated permissions, can access browsing data, and must pass Chrome Web Store review. AI tools can scaffold an extension quickly, but the security requirements, Manifest V3 compliance, and store submission guidelines need careful attention.

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Chrome Extension challenges in GitHub Copilot apps

Building a chrome extension with GitHub Copilot is a great start — but these challenges need attention before launch.

Manifest V3 compliance

Chrome is migrating to Manifest V3, which changes how extensions work — service workers instead of background pages, restricted remote code execution, and new permission models. AI tools sometimes generate Manifest V2 code that won't be accepted.

Permission minimization

Chrome Web Store reviews extensions for excessive permissions. Request only the permissions you actually need. AI tools often request broad permissions ('tabs', 'storage', 'activeTab') when narrower permissions would suffice.

Content Security Policy

Extensions must comply with strict CSP rules. No inline scripts, no eval(), no remote code loading. AI-generated code sometimes violates these rules, causing the extension to fail silently.

Data privacy

Extensions that access browsing data must have a privacy policy, explain what data is collected, and handle it securely. Chrome Web Store requires this disclosure for approval.

Cross-browser compatibility

If you want to publish on Firefox, Safari, and Edge too, your extension needs to handle API differences between browsers. AI tools usually target Chrome only.

What we check in your GitHub Copilot chrome extension

Manifest V3 compliance — service workers, permissions, CSP
Permission minimization — only requesting what's needed
Content security — no eval(), no inline scripts, no remote code
Data handling — privacy policy, secure storage, no unnecessary collection
Error handling — graceful failures, no silent errors
Performance — efficient background processing, minimal memory usage
Chrome Web Store compliance — metadata, screenshots, descriptions

Common GitHub Copilot issues we fix

Beyond chrome extension-specific issues, these are GitHub Copilot patterns we commonly fix.

highSecurity

Insecure code patterns from training data

Copilot sometimes suggests patterns from its training data that are known to be insecure — like using eval(), innerHTML, or outdated crypto functions.

highSecurity

Hardcoded secrets in suggestions

Copilot occasionally suggests placeholder API keys or credentials that look real and get committed to version control.

lowCode Quality

Inconsistent code style across files

Different completions use different patterns — sometimes callbacks, sometimes async/await, sometimes .then(). The codebase becomes inconsistent over time.

mediumBugs

Subtly incorrect logic

Copilot completions often look correct but contain off-by-one errors, wrong comparison operators, or missed edge cases that cause intermittent bugs.

Start with a self-serve audit

Get a professional review of your GitHub Copilot chrome extension at a fixed price.

Security Scan

Black-box review of your public-facing app. No code access needed.

$19
  • OWASP Top 10 checks
  • SSL/TLS analysis
  • Security headers
  • Expert review within 24h
Get Started

Code Audit

In-depth review of your source code for security, quality, and best practices.

$19
  • Security vulnerabilities
  • Code quality review
  • Dependency audit
  • AI pattern analysis
Get Started
Best Value

Complete Bundle

Both scans in one package with cross-referenced findings.

$29$38
  • Everything in both products
  • Cross-referenced findings
  • Unified action plan
Get Started

100% credited toward any paid service. Start with an audit, then let us fix what we find.

Frequently asked questions

Can I build a chrome extension with GitHub Copilot?

GitHub Copilot is a great starting point for a chrome extension. It handles the initial scaffolding well, but chrome extension apps have specific requirements — manifest v3 compliance and permission minimization — that need professional attention before launch.

What issues does GitHub Copilot leave in chrome extension apps?

Common issues include: insecure code patterns from training data, hardcoded secrets in suggestions, inconsistent code style across files. For a chrome extension specifically, these issues are compounded by the need for manifest v3 compliance.

How do I make my GitHub Copilot chrome extension production-ready?

Start with our code audit ($19) to get a clear picture of what needs fixing. For most GitHub Copilot-built chrome extension apps, the critical path is: security review, then fixing core flow reliability, then deployment. We provide a fixed quote after the audit.

Get your GitHub Copilot chrome extension production-ready

Tell us about your project. We'll respond within 24 hours with a clear plan and fixed quote.

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