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Companion

github.comInfrastructure

PulseGate's liveness check found it on 15 Sep 2026; it is registered on Firefox Add-ons and has been in the index since 15 Sep 2026. How this is checked

Companion is an open-source browser extension that provides an AI chatbot interface within the browser. It is intended for users who want conversational AI access while browsing, and for developers who want to contribute to or customize the project.

Inferred · not functionally tested

Open SourceWebEmbeddable
Companion preview
Visit github.com

Overview

4 features

Purpose: Accessing an AI chatbot directly from the browser without switching applications.

Inferred · not functionally tested

Audience: browser users and developers interested in AI chatbot extensions

Inferred · not functionally tested

Functions: agents

Inferred · not functionally tested

Interfaces: API: unknown · MCP: unknown · CLI: unknown · Self-hosting: unknown

Recorded constraints: pricing: open_source · license: Open Source · platforms: WEB · deployment: browser, embeddable

Constraint provenance is unknown; confirm requirements with the publisher.

Record sources: github.com · addons.mozilla.org. These links do not verify the individual claims.

Companion is a Browser DevTools & extensions project. Inferred · not functionally tested: It focuses on accessing an AI chatbot directly from the browser without switching applications. Inferred · not functionally tested: Companion is an open-source project aimed at browser users and developers interested in AI chatbot extensions. Basis unknown · not verified: Companion is open source under the Open Source license. Basis unknown · not verified: It runs on the web and embeddable surfaces.

Behind Companion is S9963hd, and it first shipped in 2024. Inferred · not functionally tested: Among its 4 catalogued features are chat interface, browser extension, and AI conversations.

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

Tasks: Inferred · not functionally tested

  • Chat interface
  • Browser extension
  • AI conversations
  • Firefox support

Topics: Inferred · not functionally tested

Tags
ai-chatbotbrowser-extensionconversational-aifirefox-addon
AI capabilities
Text
Inference: Cloud API

JSON profile · Text profile · Access guide

Built with & integrations

Runs on
BrowserEmbeddable

Trust & compliance

License
Open Source
Public signals
HTTPSOpen SourceFree tierStore listing found

Indexing history

1

What PulseGate has recorded for this listing

  1. Indexed15 Sep · 09:09 UTC
    Companion seen via Firefox Add-ons
    Source: Firefox Add-ons · Open

Frequently asked questions about Companion

What does Companion do?
Inferred · not functionally tested: Companion focuses on accessing an AI chatbot directly from the browser without switching applications. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use Companion?
Inferred · not functionally tested: Companion is an open-source project built for browser users and developers interested in AI chatbot extensions.
Is Companion free?
Basis unknown · not verified: Yes — Companion is open source under the Open Source license and free to use.
What platforms does Companion run on?
Basis unknown · not verified: Companion runs on the web and embeddable surfaces.
Is Companion still active?
PulseGate's liveness check found it on 15 Sep 2026.
What are alternatives to Companion?
Similar projects tracked by PulseGate include kotoba-companion, AI-ML Companion, and Nomi.kotoba-companionAI-ML CompanionNomi
Who makes Companion?
Companion is developed by S9963hd.
How long has Companion been around?
Companion first shipped in 2024.

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