Command+K is the chat widget your users see — Assistant, Onboarding, Learning, Investigations — wired straight into your MCP server, acting as the signed-in user.
No credit card. Free tier includes 1 widget and 1,000 monthly messages.
One script tag, one JWT from your backend. No iframe gymnastics.
<!-- in your product's HTML --> <script src="https://commandplusk.com/embed/widget.js" data-widget-id="wgt_a1b2c3" data-user-token="{{ signed JWT }}" async></script>
Streamable HTTP, OAuth, custom headers. Allowlist the tools the widget can call.
Sign a short JWT on your backend. We forward identity to your MCP.
Sessions, messages, tool calls, time‑to‑resolution — per widget, per mode.
Answer questions using your MCP tools.
Guided checklists for first‑run users.
Lesson cards and suggested questions.
Multi‑step agents with tool‑call traces.
Paste your MCP URL, choose tool allowlist, test the ping.
Pick modes, brand it, generate the user‑auth JWT secret.
One script tag. The widget mounts and acts as your signed‑in user.
Pay for messages, not seats.