What does Kuma muscular do?

Kuma muscular focuses on adding a Bartholomew Kuma-themed visual experience to Firefox. It is catalogued under Browser DevTools & extensions on PulseGate.

Who is Kuma muscular for?

Kuma muscular is a consumer product built for firefox users and One Piece fans.

Is Kuma muscular free?

Yes — Kuma muscular is free to use.

What platforms does Kuma muscular run on?

Kuma muscular runs on the web and embeddable surfaces.

Is Kuma muscular still active?

Unverified. Kuma muscular has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What are alternatives to Kuma muscular?

Similar projects tracked by PulseGate include Kuma offering, Kuma contrast, and Kuma overwhelming.

Who makes Kuma muscular?

Kuma muscular is developed by Bartholomew.

When did Kuma muscular launch?

Kuma muscular first shipped in 2026.

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Kuma muscular

Name: Kuma muscular
Author: Bartholomew

mozilla.orgBrowser DevTools & extensions

Kuma muscular is a Firefox browser extension themed around Bartholomew Kuma from One Piece. It provides a lightweight browser customization for users who want an anime-inspired Firefox experience.

FreeWebEmbeddable

Visit mozilla.org

1alternative

4features

2026since

Overview

4 features

In the Browser DevTools & extensions space, Kuma muscular takes a focused approach. It focuses on adding a Bartholomew Kuma-themed visual experience to Firefox. It is built as a consumer product for firefox users and One Piece fans. Kuma muscular costs nothing to use. Kuma muscular is available on the web and embeddable surfaces.

It is developed by Bartholomew, and it first shipped in 2026. Among its 4 catalogued features are firefox integration, kuma theme, and lightweight extension. The interface is available in 32 languages, including Czech, German, and Greek.

Summary written by a language model from the project’s public pages.

Firefox integration
Kuma theme
Lightweight extension
No data collection

Built with & integrations

Runs on

BrowserEmbeddable

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed18 Sep · 04:28 UTC
Kuma muscular verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Kuma muscular

What does Kuma muscular do?: Kuma muscular focuses on adding a Bartholomew Kuma-themed visual experience to Firefox. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Kuma muscular for?: Kuma muscular is a consumer product built for firefox users and One Piece fans.
Is Kuma muscular free?: Yes — Kuma muscular is free to use.
What platforms does Kuma muscular run on?: Kuma muscular runs on the web and embeddable surfaces.
Is Kuma muscular still active?: Unverified. Kuma muscular has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What are alternatives to Kuma muscular?: Similar projects tracked by PulseGate include Kuma offering, Kuma contrast, and Kuma overwhelming.Kuma offering Kuma contrast Kuma overwhelming
Who makes Kuma muscular?: Kuma muscular is developed by Bartholomew.
When did Kuma muscular launch?: Kuma muscular first shipped in 2026.

At a glance

Pricing: Free
Platforms: Web
First seen: 18 Sep 2026
Built for: Firefox users and One Piece fans
Model: B2C
Solves: Adding a Bartholomew Kuma-themed visual experience to Firefox.

Registered as

Firefox Add-ons: kuma-muscular

Developer

Bartholomew

Index record

Indexed: 18 Sep 2026
Lifecycle: Alive
First seen: Sep 2026
Last seen: 18 Sep 2026

Identity audit (13)

Slug: kuma-muscular-mozilla-org
Lifecycle state recorded: 18 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 18 Sep 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 18 Sep 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/kuma-muscular

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