Giscus

What it does

Authorization and moderation

Visitors authorize the giscus app through GitHub OAuth to post on their behalf; comments can be moderated on GitHub.checked 14 Nov 2026

Comment updates

Giscus automatically fetches new comments and edits from GitHub.checked 14 Nov 2026

Configuration

Giscus offers extensive configuration, including page-to-discussion mapping options such as URL, pathname, page title, and a specific discussion number.checked 14 Nov 2026

Embedding

Giscus is added to a site with a script tag; an existing element with class giscus can be the comment container.checked 14 Nov 2026

Framework integrations

The site points React, Vue, and Svelte users to a giscus component library.checked 14 Nov 2026

GitHub requirements

The connected repository must be public, the giscus app installed, and GitHub Discussions enabled.checked 14 Nov 2026

Open source

Giscus is open source.checked 14 Nov 2026

Performance option

Comments can load lazily when a user scrolls near the comment container.checked 14 Nov 2026

Project status caveat

The project says it is under active development and notes that features may break or change as GitHub Discussions and its API evolve.checked 14 Nov 2026

Purpose

Giscus is a comments system powered by GitHub Discussions that lets website visitors leave comments and reactions via GitHub.checked 14 Nov 2026

Self-hosting

Giscus can be self-hosted.checked 14 Nov 2026

Storage

It requires no database; discussion data is stored in GitHub Discussions.checked 14 Nov 2026

Themes and languages

Giscus supports custom themes and multiple languages.checked 14 Nov 2026