AI Interfaces
Tool Call Inspector
A live execution trace for agent tools, file operations, and long-running tasks.
agenttoolsobservability
Installation
Copy and paste the code into your project.
Accessibility notes
The ordered list preserves execution sequence, while every state and duration remains visible as text.
Agent activity
3 tool calls
- 1128ms
search_docs
design system tokens
- 242ms
read_file
components/card.tsx
- …running
write_patch
3 changes proposed
Preview accent
TypeScript
const calls = [
{ tool: "search_docs", detail: "design system tokens", duration: "128ms", status: "done" },
{ tool: "read_file", detail: "components/card.tsx", duration: "42ms", status: "done" },
{ tool: "write_patch", detail: "3 changes proposed", duration: "running", status: "active" },
];
export function ToolCallInspector() {
return (
<section className="w-full max-w-md overflow-hidden rounded-xl border border-white/12 bg-[#0b0f14]/92 shadow-2xl">
<header className="flex items-center justify-between border-b border-white/10 px-4 py-3">
<div><p className="text-xs font-semibold uppercase tracking-[0.18em] text-[#40E0D0]">Agent activity</p><h3 className="mt-1 text-sm font-bold text-white">3 tool calls</h3></div>
<span className="inline-flex items-center gap-2 rounded-full bg-[#40E0D0]/10 px-2.5 py-1 text-xs font-semibold text-[#d8fffb]"><span className="h-1.5 w-1.5 animate-pulse rounded-full bg-[#40E0D0]" /> live</span>
</header>
<ol className="divide-y divide-white/8">
{calls.map((call, index) => (
<li key={call.tool} className="grid grid-cols-[auto_1fr_auto] items-center gap-3 px-4 py-3">
<span className={call.status === "active" ? "grid h-7 w-7 place-items-center rounded-md bg-[#a78bfa]/16 text-xs font-bold text-[#c4b5fd]" : "grid h-7 w-7 place-items-center rounded-md bg-[#40E0D0]/12 text-xs font-bold text-[#d8fffb]"}>{call.status === "active" ? "…" : index + 1}</span>
<div className="min-w-0"><p className="truncate font-mono text-xs font-semibold text-slate-100">{call.tool}</p><p className="mt-1 truncate text-xs text-slate-500">{call.detail}</p></div>
<span className="text-[0.65rem] font-semibold tabular-nums text-slate-500">{call.duration}</span>
</li>
))}
</ol>
</section>
);
}Usage
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