MJ

Matt Bierner

Core developer on VS Code. Owner of VS Code's JS/TS tooling, Markdown support, Webviews, Copilot workspace knowledge, and various APIs

Website

Joined June 2015

1284 Followers

1 Following

AI Insights & Achievements

63/ 100

Quality

Avg 23.2 stars per repo.

Consistency

7 day streak.

Veteran

Coding for 11 years.

Public Repos

196

Total Stars

2319

Total Forks

498

Public Gists

5

Top Languages

Based on primary language of repositories

Recent Activity

Contribution Graph

Activity Timeline

Commits and contributions grouped by day, week, or month.

High productivity periods

Most active day: January 27th, 2026 • 24 contributions

Most active week: Jan 26–Feb 1 • 80 contributions

Most active month: Oct 2025 • 568 contributions

DeleteEvent on mjbvz/vscode-copilot-chat

February 2nd, 2026 4:21 AM

merged pull request in microsoft/vscode-copilot-chat

February 2nd, 2026 4:21 AM

Pushed to main at microsoft/vscode-extension-samples

February 2nd, 2026 1:03 AM

merged pull request in microsoft/vscode-extension-samples

February 2nd, 2026 1:03 AM

opened pull request in microsoft/vscode-copilot-chat

February 1st, 2026 11:29 PM

Created branch dev/mjbvz/real-marmot in mjbvz/vscode-copilot-chat

February 1st, 2026 11:28 PM

DeleteEvent on mjbvz/vscode-copilot-chat

February 1st, 2026 11:24 PM

merged pull request in microsoft/vscode-copilot-chat

February 1st, 2026 11:24 PM

assigned issue in microsoft/vscode

February 1st, 2026 11:22 PM

unassigned issue in microsoft/vscode

February 1st, 2026 11:22 PM

GitHub Analytics

Matt Bierner

Quality

Consistency

Veteran