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hermes-mobile

❖ Communityv1.0.0

Platforms · by geniok1980 · added

WebSocket platform for your own mobile, desktop or web app: it talks to the agent directly — text, voice, images, video and documents in both directions, approval/clarify/slash cards answered from the app, streaming edits, typing and avatar state events, cron delivery to a chosen device. Ships TypeScript and Python SDKs, platform guides and an acceptance checklist.

Open in Hermes Desktop
hermes plugins install hermes-mobile
Repository ↗Reviewed source @ 7fdaf23 ↗Documentation ↗

What it adds

Environment variables it needs 1

MOBILE_TOKEN

README

From the reviewed commit 7fdaf23 ↗; it updates when the author re-pins.

Hermes Mobile Adapter (plugin: hermes-mobile)

Adds a WebSocket platform to the Hermes gateway so your own mobile / desktop / web application can talk to a Hermes Agent directly — no second backend, no duplicated history.

Messages from the app land in the same sessions, tools and memory as Telegram, Discord or the CLI; agent replies come back with typing indicators, streaming edits and avatar state events (thinking → speaking → idle).

your app  ⇄  ws(s)://<agent-host>:8787/ws  ⇄  Hermes gateway  →  agent, sessions, memory

What it provides

Area Details
Inbound text, voice (WAV/OGG, 16 kHz), images, video, documents, arbitrary files
Outbound text (chunked for small screens), typing indicator, streaming edits, images/voice/video/documents
Interactive cards command-approval prompts, clarify questions, slash-command confirmations — answered from the app
Media files up to 8 MB per frame, larger payloads split into part/parts frames and reassembled; inbound files saved under $HERMES_HOME/mobile-media
Delivery cron/hermes send delivery to a chosen device, attachments included
Protocol versioned JSON frames (protocol v1), idempotency by message id
SDKs TypeScript (hermes-mobile-client on npm) and Python, plus platform examples

Only public plugin surfaces are used: ctx.register_platform() and the adapter ABC. No Hermes core files are patched, nothing is monkey-patched at runtime, and the plugin never updates itself.

Install

# once listed in the catalog:
hermes plugins install hermes-mobile
# or straight from this repository (the plugin lives in a subdirectory):
hermes plugins install geniok1980/hermes-mobile-adapter/adapter/hermes_mobile

Manual install: copy adapter/hermes_mobile/ to ~/.hermes/plugins/hermes-mobile/, then enable it and the platform:

# ~/.hermes/config.yaml
plugins:
  enabled: [hermes-mobile]
gateway:
  platforms:
    mobile:
      enabled: true

printf 'MOBILE_TOKEN=%s\n' "$(openssl rand -hex 32)" >> ~/.hermes/.env
hermes gateway restart
hermes status                      # mobile shows as (plugin)
hermes pairing approve mobile <id> # first contact from a new user needs approval

Full walkthrough (HTTPS/WSS in front, firewall, verification): https://geniok1980.github.io/hermes-mobile-adapter/host/install/

Configuration

Required:

Variable Meaning
MOBILE_TOKEN shared secret the app sends in the hello frame

Optional:

Variable Default Meaning
MOBILE_HOST 127.0.0.1 listen address (loopback by default)
MOBILE_PORT 8787 listen port
MOBILE_PATH /ws WebSocket path
MOBILE_ALLOWED_USERS — comma-separated user ids allowed to talk to the agent (Hermes authorization)
MOBILE_ALLOW_ALL_USERS — 1 accepts any user with a valid token (development convenience)
MOBILE_ALLOWED_DEVICES — comma-separated device ids — an extra adapter-level filter, separate from users
MOBILE_EXTRA_TOKENS — additional tokens, for one token per device. An entry may be device_id=token to bind a token to one device
MOBILE_DELIVER_TOKENS — tokens allowed to send the service deliver frame (cron from another process or host)
MOBILE_HOME_DEVICE — device id used for unattended (cron) delivery
MOBILE_AVATAR_URL — avatar page URL handed to the app in ready
MOBILE_LOCALE en language of strings the adapter itself forms (setup wizard, card buttons, client-facing errors). en or ru; anything else falls back to English

hermes config renders all of these (hermes gateway setup too).

Delivery model

  • Token only in the hello frame. The token is read from the first frame and nowhere else — a ?token= query parameter is not accepted, because query strings end up in reverse-proxy and access logs. Send the token inside the hello frame over a wss:// (TLS) connection.
  • Loopback by default. The adapter listens on MOBILE_HOST, which defaults to the loopback address. Set MOBILE_HOST to the wildcard address only deliberately, and only behind a wss:// reverse proxy plus a firewall.
  • Token ↔ device binding. With MOBILE_EXTRA_TOKENS, an entry device_id=token binds that token to one device id. A bound token cannot claim a different device id, and a device id that is already connected can only be re-claimed by the same token — a shared token cannot hijack another device's session, replies or approval cards.
  • Service delivery. The deliver frame (used by cron / hermes send from another process) is accepted only from a loopback peer, or from a connection whose token is listed in MOBILE_DELIVER_TOKENS. This lets a cron run on a different host deliver to the gateway without opening deliver to every client.
  • Bounded memory. Per device at most 8 unfinished multipart uploads are tracked at once, and their combined size is capped at 8 MB. Uploads are dropped when the device disconnects, so a stalled or hostile client cannot pin gateway memory.

Disclosure (what to know before installing)

  • Network. The plugin opens a listening WebSocket server on MOBILE_HOST / MOBILE_PORT. The default host is the loopback address, and the default port is 8787. If remote devices must reach the agent, set MOBILE_HOST to the wildcard address and put wss:// (TLS) plus a firewall in front. Anyone who obtains the token can talk to the agent; use MOBILE_EXTRA_TOKENS for a token per device (optionally device_id=token) and revoke it by removing the entry.
  • Files on disk. Inbound attachments (images, video, documents, voice) are written to $HERMES_HOME/mobile-media. Nothing is uploaded anywhere by the plugin.
  • Credentials. Secrets are read through Hermes's profile-scoped secret route (get_scoped_secret); the plugin does not parse .env files, does not read auth.json, keychains or any other credential store, and never refreshes or writes tokens. The app token is never placed in a URL, so it does not leak into proxy logs.
  • No shell, no installs. The plugin starts no shell commands and installs no dependencies; websockets ships with the Hermes environment, so there is nothing extra to pip install.
  • Approvals. Command approvals keep going through Hermes: the adapter renders the approval card in the app and resolves it through Hermes's own resolver. Nothing is auto-approved, and unattended (cron) runs fail cleanly instead of hanging on a prompt.
  • No telemetry, no third-party network calls, no self-updating code.

Compatibility

  • requires_hermes: ">=0.21.6" (the gateway.platforms._shared helpers the adapter uses were added in 0.21.6).
  • Dependency: websockets (already present in the Hermes environment). No extra pip installs.
  • Protocol v1 is stable; unknown frames are ignored by clients so new fields can be added without breaking older apps.

Links

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