Assistant access
Assistant setup
Sign in to MatPortal, then configure Assistant with credentials owned by your account. The setup page explains the supported account and provider options without asking you to share subscription or session credentials.
1. Sign in
Use the MatPortal sign-in link, then open Assistant from your account or the Assistant page. Assistant requests and settings are protected per user.
2. Choose your provider authentication
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Provider API keys:
enter your own provider API key in Assistant Settings. Keys are configured per user; do not use another person's key.
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Codex account auth:
the supported Codex account sign-in flow can connect your account without asking you to paste subscription or session credentials.
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Gemini Antigravity account auth:
the supported Antigravity account sign-in flow can connect your Gemini account without asking you to paste subscription or session credentials.
Claude Code subscriptions
Claude Code subscription or session import is not currently supported. To use Anthropic models, configure an Anthropic API key through a compatible endpoint in Assistant Settings.
Never paste subscription or session credentials.
Use the supported account-auth flow or configure your own API key instead.
Need to change setup?
Return to Assistant after signing in to open Assistant Settings and review your per-user configuration.