Agent Blame

See AI-generated vs human-written code on GitHub PRs

As of June 2026, Agent Blame has 14 users and a 5.00/5 rating from 2 reviews in the Developer Tools category.

Usersdown 26.3 percent26.3%
14
14
Ratingno change0%
5.00
2 reviews
Reviewsno change0%
2
Version
3.1.9
Manifest V3

History

7 snapshots

Tracking since Apr 16, 2026.

19.7214.59.28Apr 16, 2026Jun 5, 2026
View as table
DateUsersRatingReviewsVersion
Apr 16, 2026195.0023.1.9
Apr 27, 2026135.0023.1.9
May 4, 2026145.0023.1.9
May 10, 2026125.0023.1.9
May 18, 2026115.0023.1.9
May 27, 2026125.0023.1.9
Jun 5, 2026105.0023.1.9
Now145.0023.1.9

Permissions & access

Permissions
storage
Host access
https://github.com/*, https://api.github.com/*

Screenshots

Agent Blame screenshot 1Agent Blame screenshot 2Agent Blame screenshot 3

About

Agent Blame shows you which lines of code in a GitHub Pull Request were written by AI, so you can focus your code reviews where it matters.                                                                                            
                                                                                                                                                                                                                                         
  HOW IT WORKS                                                                                                                                                                                                                           
  • Orange gutter marks highlight AI-generated lines                                                                                                                                                                                     
  • Hover over marks to see prompt details (agent, model, and prompt text)                                                                                                                                                               
  • Unmarked lines are human-written (clean, distraction-free UI)                                                                                                                                                                        
  • File badges show AI percentage per file                                                                                                                                                                                              
  • PR summary shows total AI vs human code stats                                                                                                                                                                                        
                                                                                                                                                                                                                                         
  REPOSITORY ANALYTICS                                                                                                                                                                                                                   
  • Full analytics dashboard in GitHub Insights → Agent Blame                                                                                                                                                                            
  • Track AI vs human code trends over time                                                                                                                                                                                              
  • See tool breakdown (Cursor, Claude Code, OpenCode)                                                                                                                                                                                   
  • Model usage statistics                                                                                                                                                                                                               
  • Per-contributor AI usage                                                                                                                                                                                                             
  • Commit:Prompt efficiency ratio                                                                                                                                                                                                       
  • Filter by time period (24h, 3 days, week, month, all time)                                                                                                                                                                           
                                                                                                                                                                                                                                         
  FEATURES                                                                                                                                                                                                                               
  • Visual markers directly on GitHub PR diff views                                                                                                                                                                                      
  • Works in both unified and split diff modes                                                                                                                                                                                           
  • Supports light and dark themes                                                                                                                                                                                                       
  • Zero performance impact on page load                                                                                                                                                                                                 
                                                                                                                                                                                                                                         
  REQUIREMENTS                                                                                                                                                                                                                           
  • A GitHub Personal Access Token (with repo scope)                                                                                                                                                                                     
  • The agentblame CLI installed in your repositories to capture AI attribution                                                                                                                                                          
                                                                                                                                                                                                                                         
  GETTING STARTED                                                                                                                                                                                                                        
  1. Install the extension                                                                                                                                                                                                               
  2. Click the extension icon                                                                                                                                                                                                            
  3. Add your GitHub token                                                                                                                                                                                                               
  4. Visit any PR with agentblame attribution data                                                                                                                                                                                       
  5. Check Insights → Agent Blame for repository analytics                                                                                                                                                                               
                                                                                                                                                                                                                                         
  PRIVACY                                                                                                                                                                                                                                
  • Your GitHub token is stored locally, never sent to external servers                                                                                                                                                                  
  • No analytics, tracking, or data collection                                                                                                                                                                                           
  • Open source: github.com/mesa-dot-dev/agentblame

Technical

Version
3.1.9
Manifest
V3
Size
118KiB
Min Chrome
88
Languages
1
Featured
No

Metadata

ID
ofldnnppeiicgpmpgkbmipbcnhnbgccp
Developer ID
u989387ce93e117190d634007f7f0bf8f
Developer Email
[email protected]
Created
Jan 15, 2026
Last Updated (Store)
Feb 7, 2026
Last Scraped
Jun 5, 2026
Website
Support URL

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