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Source-first · no build step
Build the surface
Build the surface
around the agent.
Copy-paste HTML, CSS, and JS for the moments generic libraries skip:
thinking, tool calls, approvals, questions, and the state between them.
No React. No Tailwind. No framework runtime. No remote assets.
Source-first
Copy the HTML and CSS you need. Host owns execution, the plumbing, and the backend — no generated framework code to fight.
Zero build step
Plain HTML, CSS, and a tiny optional JS runtime. Drops into any stack, any host, any deploy target.
Accessible by default
Native semantics, keyboard support, reduced-motion honors, and usable markup before any script runs.
Components
4 of 19 · all components
chat-message
User bubbles and assistant turns with local actions.
turn →tool-call
Exact args and output for one host-owned invocation.
invoke →approval-gate
A bounded action the human inspects before it runs.
approve →ask-user-question
Bounded options so the agent can pause and resume.
ask →reasoning
Visible work with success, running, and detail text.
think →loading-state
Compact waiting status for incremental agent work.
wait →task-list
Multi-step plans with a clear status vocabulary.
plan →tool-result-card
Structured, copyable result surfaces for tools.
result →Copy the surface. Own the execution.
Token architecture, dark mode, and every proven agent pattern baked in — yours to paste in minutes.