DIE'd
Chromium (any flavor)
Banned for all automation, scraping, screenshots, and Playwright runs inside Exedus. Closed-engine + Google attestation surface. Reinforced by 2026-05-22 architecture canon.
Use instead
Playwright Firefox · Playwright WebKit · curl + parse · monolith via Shang Tsung PGS
DIE'd
Edge / Chrome / Brave / Arc
All Chromium variants. Same engine, same ban. No exceptions even for "just opening a URL" — qi's default handler (Zen) is the only acceptable browser launch path.
Use instead
Start-Process <URL> — default app handler (typically Zen)
sibling only
Perplexity Comet
Chromium-based browser with Comet Pro Assistant. Allowed in the MK Agent Swarms sibling workstream for CRX reverse engineering only. Never inside Exedus deploys. The Grok harness Comet swap is queued.
Inside Exedus, use
Firefox via Start-Process default handler