Hermes Gadget

Hermes Gadget is an open source physical device and desktop simulator that connects to a personal Hermes Agent.

Hermes Gadget is an open source physical device and desktop simulator that connects to a personal Hermes Agent. Users hold a button, ask a question, and hear the answer using speech recognition and voice capabilities. The product supports ESP32-S3 boards, Raspberry Pi setups, and a desktop simulator. It connects through a browser via USB without requiring a firmware toolchain. People can add boards, connect sensors, control LEDs, and build device actions. It is designed for users who want to give their existing Hermes Agent a physical presence on their desk with a gateway plugin.

Hermes Gadget at a glance

Best for: Software engineer, Product manager
Runs on: Web, Chrome extension, Raspberry Pi, self-hosted, open source
Pricing: Free
Released: October 2026
Category: AI agent tool
Website: adolanium.github.io

Key features

Connects to personal Hermes Agent
Physical button for voice input
Speech recognition and voice replies
Browser-based installation over USB
Desktop simulator for computers
Raspberry Pi support with USB audio and screens
Device actions for sensors and LEDs

Use it for

Talking to a personal AI agent by voice
Controlling hardware sensors and LEDs
Testing agent interactions via a desktop simulator
Building a custom physical voice interface

Companions

Tools that articles about Hermes Gadget recommend using with it, each with its job.

Hermes Agent — Built to work with Hermes Agent.
Agent Reach — Lets Hermes read X, Reddit, YouTube and other sites.
Agent Skills — Addy Osmani's skills with verification gates for coding work.
Codebase Memory MCP — Persistent knowledge graph of your repositories.
Defuddle — Turns messy pages into clean text for the agent.
SkillClaw — Improves the skill library from real sessions.

Alternatives to Hermes Gadget

Hermes Desktop — It features a built-in learning loop that creates and improves skills from experience.
Hermes WebUI — Run one server and access your agent from any device.
Hermes Browser Extension — Connects active web context directly to the local Hermes runtime.
Herald OS — It runs your entire machine through conversation with an AI agent.
Hermes Atlas — Curates over 250 open-source tools and skills with live GitHub data.
Hermex — Native mobile access to a self-hosted Hermes agent with no subscription fees.
Hermes IDE — Run different coding agents side by side in one interface with centralized reviews.
Oh My Hermes — It adds an operating layer to Hermes Agent with explicit evidence boundaries.
Memory OS for Hermes — Stops agents from forgetting by adding local persistent memory layers.
OpenHarness — Manages Claude Code, Codex, and Hermes from a single command center.
OpenBot — Runs entirely on your own infrastructure with strict document permissions and custom.
FastGPT — It uses hybrid retrieval and auto-cleansed data to prevent hallucinations.

All Hermes Gadget alternatives