Claude Review Lens
CodeRabbit-style AI code reviews in your IDE, powered by Claude CLI.
Transform Claude's code review output into native VS Code/Cursor comment threads — anchored to specific lines, with markdown rendering, severity badges, and a resolve workflow.
Features
- Native Comment Threads — Reviews appear as collapsible threads in the editor
- Comments Panel Integration — Navigate all findings from the sidebar
- Markdown Support — Code blocks, bold, lists, all rendered beautifully
- Severity Badges — Visual indicators for errors, warnings, and info
- Resolve Workflow — Dismiss comments as you address them
- Auto-Launch — IDE opens automatically when Claude generates a review
Quick Install
curl -fsSL https://raw.githubusercontent.com/bmp4070/claude-review-lens/main/install.sh | bash
This installs:
- VS Code extension from Marketplace
- Claude stop hook for auto-launch
/pr-review skill for PR reviews
What Gets Installed
| Component |
Location |
Purpose |
| VS Code Extension |
Cursor/VS Code |
Renders comment threads |
| Stop Hook |
~/.claude/hooks/sync_and_launch.sh |
Checkouts branch & launches IDE |
/pr-review Skill |
~/.claude/skills/pr-review/SKILL.md |
Slash command for PR reviews |
| CLAUDE.md |
~/.claude/CLAUDE.md |
Instructs Claude on output format |
Usage
# Start Claude in any project
cd your-project
claude
# Review a PR
> /pr-review 123 # Review PR [#123](https://github.com/anthropics/claude-review-code/issues/123)
> /pr-review https://github.com/org/repo/pull/123
# Exit Claude
> exit
On exit: The hook checks out the PR branch and opens your IDE with review comments.
⚠️ IMPORTANT: Restart Claude CLI after installation for /pr-review to appear.
Manual Extension Install
# From Marketplace (recommended)
cursor --install-extension code-authx.claude-review-lens
# or
code --install-extension code-authx.claude-review-lens
Or install from VS Code Marketplace.
Review JSON Schema
Claude writes reviews to .claude-review.json:
[
{
"file": "src/api/handler.ts",
"line": 23,
"message": "### Missing Error Handling\n\n**Problem:** No try/catch around async call.\n\n```typescript\ntry {\n await fetchData();\n} catch (e) {\n handleError(e);\n}\n```",
"author": "Claude",
"mode": "suggestion",
"severity": "error"
}
]
Fields
| Field |
Required |
Values |
file |
Yes |
Relative path from workspace root |
line |
Yes |
1-based line number |
message |
Yes |
Markdown-formatted comment |
author |
No |
Default: "Claude" |
mode |
No |
"comment" or "suggestion" |
severity |
No |
"info", "warning", "error" |
Commands
| Command |
Description |
Claude Review: Refresh |
Reload comments from JSON |
Claude Review: Resolve All |
Dismiss all comment threads |
Claude Review: Open Panel |
Focus the Comments sidebar |
Configuration
Change Editor
Edit ~/.claude/hooks/sync_and_launch.sh to prioritize your editor:
find_editor() {
local paths=("cursor" "code" "codium" ...)
Disable Auto-Launch
Remove the Stop hook from ~/.claude/settings.json:
{
"hooks": {
"Stop": []
}
}
Uninstall
# Remove hook
rm ~/.claude/hooks/sync_and_launch.sh
# Remove skill (edit settings.json)
# Remove extension
cursor --uninstall-extension your-publisher-name.claude-review-lens
Development
# Clone
git clone https://github.com/bmp4070/claude-review-lens.git
cd claude-review-lens
# Install dependencies
npm install
# Compile
npm run compile
# Package
npm run package
# Test in VS Code
# Press F5 to launch Extension Development Host
License
MIT
