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Hermes Browser Extension

nousresearch.comChatbots & assistants🇺🇸

PulseGate's liveness check found it on 4 Oct 2026; it is registered on GitHub and Google Play and has been in the index since 16 Jun 2026. How this is checked

Hermes Browser Extension adds a Firefox sidebar that sends selected page context, tabs, metadata, and form elements to a configured Hermes Agent runtime. It supports local, cloud, and remote gateways, streaming responses, attachments, voice input, generated media, and review-first drafting for supported writing surfaces.

Inferred · not functionally tested

FreemiumMITWebCLIAndroidSelf-hostedmacOSWindows
Hermes Browser Extension preview
Visit nousresearch.com
195.2kstars
34.3kforks
10features
2025since

Overview

6 features

Purpose: Understanding and drafting content from web pages without manually copying context into an AI assistant.

Inferred · not functionally tested

Audience: Firefox users who want contextual AI assistance while browsing

Inferred · not functionally tested

Functions: rag, voice_synthesis, collaboration

Inferred · not functionally tested

Interfaces: API: unknown · MCP: unknown · CLI: indicated (inferred, not tested) · Self-hosting: indicated (inferred, not tested)

Recorded constraints: pricing: freemium · license: MIT · platforms: WEB · deployment: browser, cli, android, self_hosted, macos, windows, linux

Constraint provenance is unknown; confirm requirements with the publisher.

Record sources: hermes-agent.nousresearch.com · github.com · f-droid.org. These links do not verify the individual claims.

In the Chatbots & assistants space, Hermes Browser Extension takes a focused approach. Inferred · not functionally tested: It focuses on understanding and drafting content from web pages without manually copying context into an AI assistant. Inferred · not functionally tested: It is built as a consumer product for firefox users who want contextual AI assistance while browsing. Basis unknown · not verified: Hermes Browser Extension follows a freemium model, with paid plans starting at $10. Basis unknown · not verified: Hermes Browser Extension is available on the web, the command line, Android, macOS, and Windows, and it can be self-hosted.

Jon Komet builds and maintains Hermes Browser Extension, and it first shipped in 2025. The project is developed in the open on GitHub with 195.2k stars and 9.5k commits in the last 90 days. Inferred · not functionally tested: Among its 6 catalogued features are page context capture, sidebar assistant, and selected text capture. The interface is available in 33 languages, including Czech, German, and Greek. Hermes Browser Extension is currently in beta.

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

Tasks: Inferred · not functionally tested

  • Page context capture
  • Sidebar assistant
  • Selected text capture
  • Open tab context
  • Streaming responses
  • Attachments

Topics: Inferred · not functionally tested

Tags
firefox-extensionbrowser-sidebarpage-context-aireviewed-drafting
AI capabilities
TextMultimodalAudio
Inference: HybridWeights: Open

JSON profile · Text profile · Access guide

Built with & integrations

Framework
Next.js
Hosting
Vercel
AI providers
multiple
Written with
Unspecified agent
Connectors
webhook
Runs on
BrowserCLIAndroidSelf-hostedmacOSWindowsLinux
Written with — evidence
Unspecified agent
AGENTS.md
Detected from
Next.js
x-powered-by header · /_next/static/ in the HTML · __next_f in the HTML
Vercel
x-vercel-id header · x-vercel-cache header

Trust & compliance

License
MIT
Public signals
HTTPSFree tierGitHub · ★ 195.2kActive maintenanceMulti-languageStore listing found

Indexing history

19

What PulseGate has recorded for this listing

  1. Indexed7 Oct · 16:22 UTC
    Nous Research raises $90M in new funding seen via Hacker News firehose (Algolia)
    Source: Hacker News firehose (Algolia) · Open
  2. Indexed3 Oct · 23:29 UTC
    Listing seen via seed_sitemap
    Source: seed_sitemap · Open
  3. Indexed19 Sep · 19:22 UTC
    Listing seen via RankMyAI Enumerator
    Source: RankMyAI Enumerator · Open
  4. Indexed3 Aug · 00:18 UTC
    Knowledge-and-Memory-Management v0.0.2: Portable Knowledge Collection & Memory Management seen via DEV.to articles
    Source: DEV.to articles · Open
  5. Indexed2 Aug · 04:22 UTC
    Knowledge-and-Memory-Management v0.0.2: Portable Knowledge Collection & Memory Management seen via DEV.to articles
    Source: DEV.to articles · Open
  6. Indexed2 Aug · 00:16 UTC
    vibe-coding-universal: Fixing the Version Label in Comparison Tables seen via DEV.to articles
    Source: DEV.to articles · Open
  7. Indexed30 Jul · 04:08 UTC
    Thinking. 1. **Analyze the Request:** seen via DEV.to articles
    Source: DEV.to articles · Open
  8. Indexed30 Jul · 00:25 UTC
    Knowledge and Memory Management: Directions 1-3 Finalized seen via DEV.to articles
    Source: DEV.to articles · Open
  9. Indexed28 Jul · 12:00 UTC
    Memory Sidecar v3.5.1: Operational Hardening for Agent-Agnostic Memory seen via DEV.to articles
    Source: DEV.to articles · Open
  10. Indexed27 Jul · 04:01 UTC
    Fixing Alert on Host Resource Pressure in Hermes-Memory-Installer seen via DEV.to articles
    Source: DEV.to articles · Open
  11. Indexed26 Jul · 08:21 UTC
    Thinking. 1. **Analyze the Request:** seen via DEV.to articles
    Source: DEV.to articles · Open
  12. Indexed26 Jul · 00:12 UTC
    Knowledge and Memory Management: Directions 1-3 Finalization Record seen via DEV.to articles
    Source: DEV.to articles · Open
  13. Indexed25 Jul · 12:06 UTC
    Knowledge-and-Memory-Management v0.0.2: Clean Release with Portable $AGENT_HOME seen via DEV.to articles
    Source: DEV.to articles · Open
  14. Indexed25 Jul · 04:18 UTC
    Thinking. 1. **Analyze the Request:** seen via DEV.to articles
    Source: DEV.to articles · Open
  15. Indexed25 Jul · 00:02 UTC
    Improving Alerting on Host Resource Pressure in Hermes Memory Installer seen via DEV.to articles
    Source: DEV.to articles · Open
  16. Indexed21 Jul · 00:14 UTC
    Thinking. 1. **Analyze the Request:** seen via DEV.to articles
    Source: DEV.to articles · Open
  17. Indexed20 Jul · 00:27 UTC
    Fixing Version Labels in Comparison Tables with vibe-coding-universal v1.0 seen via DEV.to articles
    Source: DEV.to articles · Open
  18. Indexed15 Jul · 04:05 UTC
    Knowledge-and-Memory-Management v0.0.2: Portable Knowledge Collection and Memory Management seen via DEV.to articles
    Source: DEV.to articles · Open
  19. Indexed15 Jul · 00:28 UTC
    Hermes Memory Installer: Enhanced CDN Security with Versioned Assets seen via DEV.to articles
    Source: DEV.to articles · Open

Frequently asked questions about Hermes Browser Extension

What is Hermes Browser Extension?
Inferred · not functionally tested: Hermes Browser Extension focuses on understanding and drafting content from web pages without manually copying context into an AI assistant. It is catalogued under Chatbots & assistants on PulseGate.
Who is Hermes Browser Extension for?
Inferred · not functionally tested: Hermes Browser Extension is a consumer product built for firefox users who want contextual AI assistance while browsing.
How much does Hermes Browser Extension cost?
Basis unknown · not verified: Paid plans start at $10, and a free tier is available.
What platforms does Hermes Browser Extension run on?
Basis unknown · not verified: Hermes Browser Extension runs on the web, the command line, Android, macOS, and Windows. It can also be self-hosted.
Is Hermes Browser Extension still maintained?
PulseGate's liveness check found it on 4 Oct 2026. Its GitHub repository shows 9.5k commits in the last 90 days.
What are alternatives to Hermes Browser Extension?
Similar projects tracked by PulseGate include Hermes Agent Fork, Hermes Agent, and Hermes Agent.Hermes Agent ForkHermes AgentHermes Agent
Who makes Hermes Browser Extension?
Hermes Browser Extension is developed by Jon Komet, based in the United States.
How long has Hermes Browser Extension been around?
Hermes Browser Extension first shipped in 2025.

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