GitHub + Mermaid

A browser extension for Chrome, Opera & Firefox that adds Mermaid language support to GitHub.

GitHub + Mermaid Chrome Extension

GitHub + Mermaid is a browser extension for Chrome, Opera & Firefox that allows you to create diagrams using code blocks on GitHub issues, Pull Requests, or .md files using the Mermaid language.

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Extension stats

This extension was removed from Chrome Web Store on 2022-06-28

By: Alex Mercier

Users: 3,000+

Rating: 4.07

(15)

Version: 0.1.1 (Last updated: 2019-04-26)

Creation date: 2019-04-26

Risk impact: High risk impact

Risk likelihood:

High risk likelihood

Manifest version: 2

Permissions:

https://github.com/*
https://*.github.com/*

Size: 1.73M

Other platforms

Not available on Android

Not available on Firefox

Not available on Edge

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Extension summary

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Create diagrams using code blocks on GitHub issues, Pull Requests, or .md files:

graph TD;
    A-->B;
    A-->C;
    B-->D;
    C-->D;

Visit https://mermaidjs.github.io/ for more information about Mermaid language syntax.

User reviews

Unable to modify the sites it works with, preventing me from using it with the private github server I need to use. Unable to comment on the quality of the plugin otherwise

Simon Pratt, 2022-01-11

Parse error on line 2: ...TD subgraph Sources["Project Groups"] ----------------------^ Expecting 'SEMI', 'NEWLINE', 'SPACE', 'EOF'.... Please update the mermaid version this uses, its got to be a few years out of date.

Andrew Stanton, 2021-04-13

It's a nice extension, but the underlying version of mermaid hasn't been updated in a while and is missing newer abilities. This make it less useful as it doesn't adhere to the current spec.