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title Hermes Agent
sidebarTitle Hermes

Agent prompt

Fetch and follow https://raw.githubusercontent.com/agentrhq/webcmd/main/start.md to set up Webcmd end to end.

Manual

Requirements

  • Node.js 20.6+ on the Hermes host
  • The webcmd npm CLI, installed globally on the Hermes host
  • Hermes terminal toolset enabled (needed to run webcmd)
  • A browser runtime; confirm with webcmd doctor before browser work

Install and configure

Install Webcmd and its skills on the Hermes host:

npm install -g @agentrhq/webcmd
webcmd doctor
webcmd skills add

When webcmd skills add prompts, choose the agents provider (installs into ~/.agents/skills/). Then make Hermes load those skills by adding the external skills directory to ~/.hermes/config.yaml:

skills:
  external_dirs:
    - ~/.agents/skills

Hermes then reads webcmd-browser as a skill. Restart Hermes after changing config and confirm the skill is discoverable.

Override default tools

Hermes' web surface spans three toolsets:

Toolset Tools What to do
web web_search, web_extract Keep enabled for web_search; prefer Webcmd over web_extract
browser browser_navigate, browser_click, browser_type, browser_scroll, browser_press, browser_back, browser_snapshot, browser_vision, browser_console, browser_get_images, plus CDP-gated browser_cdp and browser_dialog Keep for localhost, route open-web work to Webcmd
x_search x_search Keep — it is search, and it auto-enables whenever xAI credentials are present

web_search lives in web, not in browser, so disabling browser leaves search intact.

Hermes toggles toolsets, not individual tools. There is no way to drop web_extract while keeping web_search, so leave the web toolset on and steer the agent with instructions instead. Add this to your Hermes system prompt or project instructions:

Use Webcmd (webcmd --profile work session create "Work Project", then webcmd --profile work --session work-project-k7 browser tabs via the terminal toolset) for anything on the open web: fetching, authenticated third-party sites, and multi-step automation. Prefer it over web_extract. Use the browser_* tools only for the app being edited — localhost dev server, console and network triage, visual checks. Keep using web_search and x_search to find URLs.

Also check the computer_use toolset. It drives the whole desktop rather than a browser, so it overlaps with Webcmd whenever it is aimed at a website. Disable it if the user does not need desktop control.

Full override (opt-in). If the user never debugs local apps through Hermes' browser, disable the toolset outright:

hermes tools disable browser

Or in ~/.hermes/config.yaml:

agent:
  disabled_toolsets:
    - browser

Recommended: use hermes tools disable browser so the terminal toolset stays available.

Do not disable the terminal toolset — that is how Hermes runs webcmd.

Troubleshooting

Symptom What to try
webcmd doctor is red Fix the browser runtime first; browser commands depend on it.
Skills not loading in Hermes Confirm skills.external_dirs includes ~/.agents/skills, restart Hermes, and check skill discovery.
Hermes uses browser_* for open-web work Remind it in the system prompt that Webcmd handles the open web; for a hard block, add browser to agent.disabled_toolsets and restart Hermes.
web_search missing after disabling browser Unexpected — web_search is in the web toolset. Confirm web is still enabled with hermes tools.
Search disappeared after disabling web Expected: web_search and web_extract share one toolset. Re-enable web and steer the agent with instructions instead.
x_search appeared on its own Expected: it auto-registers when XAI_API_KEY or Grok OAuth is configured. Leave it — it is search.
webcmd not found in Hermes terminal Confirm webcmd is on the host PATH that Hermes' terminal toolset uses; non-interactive shells may skip shell init files.
Browser Session idles or loses its window Keep its immutable, Profile-scoped ID; webcmd --profile work --session work-project-k7 browser tabs reopens it. Use webcmd --profile work session list to inspect it and webcmd --profile work session close work-project-k7 when finished.

See also