JL

Jeremiah Lowin

@jlowin

CEO at @PrefectHQ. Building FastMCP. Mostly harmless.

Washington, DC

Website

@jlowin

Joined November 2009

2105 Followers

44 Following

AI Insights & Achievements

66/ 100

Quality

Avg 498.8 stars per repo.

Growth

11 new projects with 62 stars.

Consistency

30 day streak.

Profile README

Hello 👋

I'm Jeremiah.

I love building tools that make developers' lives easier. You might know me from FastMCP, the standard Python framework for working with the Model Context Protocol, or Prefect, the workflow engine used by thousands of data teams worldwide.

`$ whoami`

🏢 Founder & CEO at Prefect
📍 Based in Washington, DC
🎯 Strategic advisor to Spotify, FabFitFun, and Positive Sum
📊 Former Apache Airflow PMC member
☕ Global Ambassador for Compass Coffee
🌎 Mostly Harmless

`$ ping`

💻 jlowin.dev
💼 LinkedIn
🐦 X
🦋 Bluesky

Organizations

AP PR

Public Repos

46

Total Stars

22947

Total Forks

1773

Public Gists

9

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 19th, 2026 • 36 contributions

Most active week: Dec 22–Dec 28 • 182 contributions

Most active month: Jun 2025 • 771 contributions

DeleteEvent on jlowin/fastmcp

February 2nd, 2026 2:30 AM

closed issue in jlowin/fastmcp

February 2nd, 2026 2:30 AM

Pushed to main at jlowin/fastmcp

February 2nd, 2026 2:30 AM

PullRequestReviewEvent on jlowin/fastmcp

February 2nd, 2026 2:30 AM

Pushed to claude/issue-3049-20260131-2232 at jlowin/fastmcp

February 2nd, 2026 2:29 AM

PullRequestReviewEvent on jlowin/fastmcp

February 2nd, 2026 2:29 AM

DeleteEvent on jlowin/fastmcp

February 2nd, 2026 2:28 AM

Pushed to main at jlowin/fastmcp

February 2nd, 2026 2:28 AM

closed issue in jlowin/fastmcp

February 2nd, 2026 2:28 AM

PullRequestReviewEvent on jlowin/fastmcp

February 2nd, 2026 2:28 AM

GitHub Analytics

Jeremiah Lowin

Quality

Growth

Consistency

Hello 👋

$ whoami

$ ping

`$ whoami`

`$ ping`