mljar/mercury

Impress your boss and turn a Jupyter notebook into a beautiful, shareable web app — no callbacks, no frontend, no rewrite.

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mljar/mercury has 4k+ stars and 250+ forks on GitHub, is written in Python, and was last pushed on Sep 14, 2026. Data as of . Signed-in members get hourly updates — create a free account.

Summary Information

Updated 24 minutes ago
Added to GitGenius on September 15th, 2026
Created on December 20th, 2021
Open Issues & Pull Requests: 4 (+0)
GitHub issues: Enabled
Number of forks: 292
Total Stargazers: 4,357 (+0)
Total Subscribers: 42 (+0)

Repository Insights (GitGenius)

Median issue/PR response: 11.7 hours
Mean response time: 103.5 days
90th percentile: 461.2 days
Tracked items: 171

Maintainer activity

11 people did triage or write work on this repository in the last 12 months.

Counts unlabeled, assigned, unassigned, milestoned, demilestoned, locked, unlocked over the last 12 months. These are issue and pull request events that require triage or write permission. Commits and code review are not counted. labeled and renamed are excluded because GitHub issue forms record the issue author as the actor. Figures from October 11, 2026. This count is not comparable across projects: each project's automation decides which of these events a person emits. How this is counted.

How this project is maintained

About 3% of issues opened in the past year have never received a reply. Work labelled "bug" is answered fastest, typically in about 3 hours, while "Mercury-Version-3" waits about 3 months. 95% of issues opened in the past year have since been closed. Three people close 100% of everything that gets resolved.

Charts & Analytics

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Issue Activity (beta)

Open issues: 4
New in 7 days: 0
Closed in 7 days: 0
Avg open age: 23 days
Stale 30+ days: 4
Stale 90+ days: 0

Recent activity

Opened in 7 days: 0
Closed in 7 days: 0
Comments in 7 days: 0
Events in 7 days: 0

Top labels

  • bug (35)
  • help wanted (32)
  • enhancement (24)
  • Mercury-Version-3 (23)
  • good first issue (18)
  • documentation (5)
  • deployment (4)

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Detailed Description

Mercury is a framework that transforms Jupyter notebooks into interactive web applications without requiring callbacks, frontend code, or notebook rewrites.

The problem Mercury solves is the gap between notebook-based data analysis and shareable web applications. Developers and data scientists often create analyses in Jupyter but struggle to share them as polished, interactive web apps. Mercury bridges this by letting you add simple Python decorators and components to your existing notebook code. The framework handles the conversion to a web interface automatically, preserving the notebook's logic while making it accessible through a browser without exposing the underlying code or requiring users to understand Python.

Mercury suits data scientists and analysts who want to share interactive analyses with non-technical stakeholders without learning web development. It works well for dashboards, data visualizations, and exploratory tools where the core logic already exists in a notebook. The tool is particularly valuable when you need to publish work quickly without restructuring your analysis code. Teams should consider Mercury when they want to avoid the overhead of building a separate web application while maintaining the flexibility of notebook-based development.

The project shows consistent development activity with regular updates addressing user feedback and expanding capabilities. The maintainers actively respond to issues and incorporate feature requests from the community. Development focuses on improving the ease of converting notebooks to web apps and expanding the range of interactive components available. The project maintains clear documentation and examples that help users get started quickly. There is ongoing work to enhance the visual appearance and customization options of generated applications.