NousResearch/hermes-agent · error · Error

profile-switch needs --profile <name>

Error message

profile-switch needs --profile <name>

What it means

Error "profile-switch needs --profile <name>" thrown in NousResearch/hermes-agent.

Source

Thrown at apps/desktop/scripts/perf/scenarios/profile-switch.mjs:18

// Profile-switch latency. Subsumes measure-profile-switch. Backend tier: needs
// a configured profile in the rail and a live backend. Report-only.
//
//   node scripts/perf/run.mjs profile-switch --profile <name>

import { SELECTORS, sleep } from '../lib/cdp.mjs'

export default {
  name: 'profile-switch',
  tier: 'backend',
  description: 'Click a profile in the rail and wait for its sidebar to settle.',
  requiredOpts: ['profile'],
  async run(cdp, opts = {}) {
    const profile = opts.profile
    const settleTimeoutMs = Number(opts.settleTimeoutMs ?? 60000)

    if (!profile) {
      throw new Error('profile-switch needs --profile <name>')
    }

    await cdp.send('Runtime.enable')

    const t0 = await cdp.eval(`(() => {
      const rail = document.querySelector(${JSON.stringify(SELECTORS.profileRail)})
      if (!rail) return null
      const target = [...rail.querySelectorAll('button, [role="tab"]')].find(b =>
        ((b.getAttribute('aria-label') || '') + ' ' + (b.title || '') + ' ' + (b.textContent || ''))
          .toLowerCase().includes(${JSON.stringify(String(profile).toLowerCase())}))
      if (!target) return null
      target.click()
      return performance.now()
    })()`)

    if (t0 === null) {
      throw new Error(`profile "${profile}" not found in the rail`)
    }

View on GitHub (pinned to c896c09c42)

Solutions

1. Pass --profile <name> with a valid profile name when running the scenario.

When it happens

Trigger: Thrown at apps/desktop/scripts/perf/scenarios/profile-switch.mjs:18 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of NousResearch/hermes-agent@c896c09c42 (2026-08-14). Data as JSON: /api/errors/48cc5ec8912516dc. Report an issue: GitHub.