Which TypeScript repositories are best for experienced developers?

Based on objective C-Rank data across merge rates, review turnaround, and first-PR success, the top TypeScript repositories include leancoderkavy/premiere-pro-mcp, vellum-ai/vellum-assistant, hamzahamidi/ajsf.

How does GetMerged rank repositories?

GetMerged scores public GitHub repos from S to D tier using objective metrics: external PR merge rate, time to first response, time to merge, and first-timer success rate.

Contributor Matchmaker

Best TypeScript Repos to Contribute To

Matched to your experience level using real merge rates, maintainer response times, and first-PR success data.

First-time contributor Experienced contributor

73% matchS Tier

leancoderkavy/premiere-pro-mcp

Adobe Premiere Pro MCP server with 280 core AI video editing tools, a production CEP bridge, and capability-aware UXP support.

C-Rank 83.4 — top-tier maintainer discipline
Active in the last month
Merges 99% of outside pull requests

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73% matchS Tier 2 GFIs

vellum-ai/vellum-assistant

An AI Assistant that’s easy to setup, does your work 24/7, knows your preferences and gets better over time.

C-Rank 83.7 — top-tier maintainer discipline
Active in the last month
Merges 96% of outside pull requests

View Scorecard How to Contribute

72% matchB Tier

hamzahamidi/ajsf

JSON Schema form builder for Angular, with Material, Bootstrap 3, Bootstrap 4 and Bootstrap 5 widgets

C-Rank 80.0 — top-tier maintainer discipline
Active in the last month
Merges 99% of outside pull requests

View Scorecard How to Contribute

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