The GitHub PR Context Loader popup — load PR context and generate AI-ready prompts.
GitHub PR Context Loader — Complete User Guide
Auto-load · Context · AI-ready
Version 1.0 · Updated 2026
GitHub PR Context Loader is a Chrome extension that auto-loads a Pull Request's full context — files changed, commits, CI status, linked issues, review comments — into one sidebar panel on any GitHub PR page. It also generates AI-ready prompts from built-in templates, with optional AI summaries using your own Anthropic or OpenAI key.
What Is GitHub PR Context Loader?
GitHub PR Context Loader is a Chrome extension that loads a Pull Request's full context — files changed, commits, CI status, linked issues, review comments — into one sidebar panel on any GitHub PR page. No more tab-hopping between the description, diff, commits, CI checks, and linked issues.
It also generates AI-ready prompts from built-in templates (Summarize changes, Review for bugs, Review for security, Explain logic, Write PR description) and optionally connects to your own Anthropic or OpenAI key for AI-generated responses inside the sidebar.
Who Should Use This Extension?
- Software developers — reviewing PRs and understanding the full context of changes.
- Engineering managers — reviewing team PRs and getting quick summaries.
- QA engineers — understanding what changed and what to test.
- Open source contributors — quickly understanding the scope of a PR.
- Anyone who reviews GitHub pull requests — and wants to save time tab-hopping between PR details.
Why You Can Trust GitHub PR Context Loader
🔒 Trust built in Local-first, private by default, and built with transparency.
GitHub PR Context Loader loads data directly from GitHub's REST API using your token (or unauthenticated for public repos). All data stays local in your browser. The only network calls are to GitHub's API, an optional license check against Gumroad, and — only if you've added one — requests to your chosen AI provider using your own key.
Battle-tested logic
Linked-issue extraction tested across mixed keywords/case with deduplication. Risk heuristic tested at low/medium/high thresholds. Free-tier counter tested at boundary conditions.
Documented calculations
Every formula is transparent and verifiable — no black-box algorithms.
100% local storage
All PR context data and team notes stay in your browser.
No hidden data collection
Minimal permissions — only storage and alarms. Content script scoped to github.com/*/*/pull/* only.
Why Use This Extension? (Key Benefits)
Key User Pain Points & How This Extension Solves Them
Everything in one sidebar — files, commits, CI status, linked issues, review comments. No more switching tabs.
Built-in template generates a comprehensive, well-structured PR description from the commit messages and context.
Generates a structured prompt with files changed, commit messages, and linked issues — ready to paste into Cursor or ChatGPT.
Automatically detects and displays issues linked via
Fixes #N, Closes #N, etc. (Pro).
Persistent per-PR notes saved locally — perfect for documenting review decisions and onboarding context (Pro).
Transparent risk score based on files changed, net lines, and unresolved comment threads — not an AI judgment (Pro).
Why Upgrade to Monthly Pro?
🚀 Unlock the full power of PR Context Loader
The free tier gives you unlimited PR context loading and 10 prompt generations per month forever. But if you're a developer who reviews PRs regularly, the Pro plan removes all limits and gives you advanced features.
🆓 Free
- Unlimited PR context loading
- 10 prompt generations/month
- 5 built-in templates
- Full files, commits, CI, comments
⭐ Pro
- Unlimited prompt generations
- Risk scoring heuristic
- Linked issue detection
- Team notes per PR
- Priority support
📈 ROI
- 💸 $12/mo
- ⏱️ Saves 5+ hours/week
- 🤖 Better AI context
- 📊 Faster PR reviews
14‑day free trial included · cancel anytime
Features — Detailed Guide
1. PR Context Sidebar
What it does: Navigate to any GitHub Pull Request page, and a "PR Context" tab appears on the right edge. Click it to open the sidebar with the PR's full context.
What's included:
- PR overview — title, author, branches, draft status, labels
- At a Glance — files changed, lines added/deleted, commits, approvals, CI status
- Risk Signal — transparent heuristic score (Pro)
- Linked Issues — automatically detected from PR description (Pro)
- Files Changed — full list with additions/deletions per file
- Commits — commit messages with shortened SHAs
- Team Notes — persistent per-PR notes (Pro)
2. AI-Ready Prompt Generation
What it does: Generate a structured prompt from the PR context using one of 5 built-in templates:
- Summarize changes — "Provide a 3-bullet summary of the key changes in this pull request."
- Write PR description — "Based on the following code changes and commit messages, write a comprehensive, well-structured PR description for maintainers."
- Review for bugs — "You are a senior software engineer. Review these changes for potential bugs and logical errors."
- Review for security — "Review these changes specifically for security vulnerabilities — injection risks, secrets, auth/permission issues."
- Explain the logic — "Explain what this pull request does and why, in plain language, based on the context below."
3. Risk Scoring (Pro)
What it does: Computes a risk score based on files changed, net lines changed, and unresolved comment threads. Labeled in the UI as "a transparent heuristic... not an AI judgment."
formula Risk Score = (Files Changed × 2) + (Net Lines / 20) + (Unresolved Comments × 5), capped at 100
10 files changed, 400 net lines, 3 unresolved comments
Score = (10 × 2) + (400 / 20) + (3 × 5) = 20 + 20 + 15 = 55 → Medium Risk
4. Linked Issue Detection (Pro)
What it does: Scans the PR description for keywords like Fixes #N, Closes #N, Resolves #N (case-insensitive, with or without a colon). Shows linked issues with their title and state.
PR description: "Fixes #42 and closes #43. Also addresses #44."
Linked issues: #42, #43, #44 (deduplicated, sorted ascending)
5. Team Notes (Pro)
What it does: Each PR gets a private notes field, saved locally in your browser. Different PRs have different notes — they're stored separately using a key based on owner_repo_prNumber.
Why it matters: Perfect for documenting review decisions, onboarding context, or tracking discussion points without cluttering the GitHub issue tracker.
6. Optional AI Integration
What it does: If you add your own Anthropic or OpenAI API key in Settings, the "Ask AI" button appears in the sidebar. Click it to get an AI-generated response directly inside the extension.
Why it matters: No need to copy-paste the prompt elsewhere — get the AI summary right in the same panel you're reviewing from.
Setup & Configuration
Installation
- Install GitHub PR Context Loader from the Chrome Web Store.
- Navigate to any GitHub Pull Request page (e.g.,
github.com/owner/repo/pull/123). - Click the "PR Context" tab on the right edge of the screen.
Adding a GitHub Token (Recommended)
- Open the Settings page (Options).
- Under GitHub Access Token, paste your Personal Access Token.
- Click Save.
🔒 Privacy note Your token is stored locally in your browser only, and used only to call GitHub's API directly from your browser — never sent anywhere else.
Connecting an AI API Key (Optional)
- Open the Settings page (Options).
- Select your provider (Anthropic or OpenAI).
- Paste your API key from the provider's console.
- Click Save.
🔒 Privacy note Your API key is stored locally and only used to call that provider's API directly from your browser — never sent anywhere else.
Pricing: Free vs. Pro
- Unlimited PR context loading
- 10 prompt generations/month
- 5 built-in templates
- Full files, commits, CI, comments
- Unlimited prompt generations
- Risk scoring heuristic
- Linked issue detection
- Team notes per PR
- Priority support
One Pro subscription covers all features. Get your license at muhiuddinalam.gumroad.com/l/contextloader.
Data Privacy, Performance & Permissions
- 🔒 Local‑only storage: All data (team notes, settings) is stored exclusively in your browser using
chrome.storage.local. - 🔌 GitHub API: Calls GitHub's REST API directly with your token (or unauthenticated for public repos).
- 🛡️ Minimal permissions: Only
storageandalarms. Content script scoped tohttps://github.com/*/*/pull/*only. - 🤖 AI calls: Only if you add your own API key — calls go directly to Anthropic/OpenAI from your browser.
Common Mistakes to Avoid
Fix: The extension only activates on
github.com/*/*/pull/* pages. It does nothing on other GitHub pages or non-GitHub sites.
Fix: Private repos require a Personal Access Token. Add it in Settings for full access. Without a token, the extension works for public repos but with a lower rate limit (60 requests/hour).
Fix: The Risk Score is a transparent heuristic based on files changed, lines changed, and unresolved comments — not an AI judgment. It's intentionally labeled as such in the UI.
- ⚠️ GitHub token: Use a fine-grained token with read-only access to Pull Requests, Issues, and Contents for the repos you use.
- ⚠️ Free tier: 10 prompt generations/month reset on the 1st of each month. Upgrading to Pro removes the limit.
- ⚠️ AI key: The "Ask AI" feature works at any tier once a key is added — it's a bring-your-own-key enhancement, not gated behind Pro.
A Note on Accuracy
Linked-issue extraction uses regex parsing of the PR description. It detects Fixes/Closes/Resolves #N patterns (case-insensitive, with or without a colon) and deduplicates repeated issue numbers. It does not detect issues linked via GitHub UI mentions or cross-references in comments — only the description is parsed.
Risk Score is a transparent heuristic — not an AI judgment. It's intentionally labeled as such in the UI to avoid presenting a fabricated-looking precision score as if it were an objective, AI-derived quality assessment. The formula is: (Files Changed × 2) + (Net Lines / 20) + (Unresolved Comments × 5), capped at 100.
GitHub API data comes directly from GitHub's REST API. For public repos, unauthenticated requests are capped at 60/hour; for private repos, a Personal Access Token is required. The extension makes 6+ calls per PR load, so a token is strongly recommended.
CI status comes from the Checks API and covers GitHub Actions only by default. Other CI providers (CircleCI, Jenkins, Azure, Buildkite) are not included in v1.
Frequently Asked Questions
Does this extension work on private GitHub repositories?
Yes — but you need to add a Personal Access Token in Settings. Without a token, the extension works for public repos only.
What GitHub token permissions are required?
A fine-grained token with read-only access to Pull Requests, Issues, and Contents for the repos you want to use this extension on.
What happens when I reach the free tier limit?
The 11th prompt generation in a calendar month shows an upgrade prompt. Pro gives you unlimited generations. The limit resets on the 1st of each month.
Can I use this with my own AI API key?
Yes — add your Anthropic or OpenAI API key in Settings. The "Ask AI" feature then appears in the sidebar. This works at any tier (free or Pro).
What happens if I uninstall the extension?
All data (team notes, settings) is removed from your browser. If you have a Pro license, you can re-enter your key after reinstalling to restore access.
Ready to stop tab-hopping during PR reviews?
Free: unlimited PR context · 10 prompt generations/mo · Pro: $12/mo
Get PR Context Loader Pro → Install Free on Chrome Web Store →GitHub PR Context Loader · Version 1.0 · Built with ❤️ for Chrome · Privacy Policy · Contact Me
