Agent Ledger

Everything an agent changed, each change with its before, after and an undo.

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Category
AI Agent
Access
Pro
Source
361 lines · one file
States
7 drawn
Added
2 Nov 2026

The decision inside it

Undo shows what depends on a change first

Reverting a price and leaving the quote that used it is worse than not undoing at all. So Undo lists every later change built on this one and reverts them together, newest first, and anything that can't be taken back, like an email already sent, is named and left alone with a follow-up offered.

When to use it

Use Agent Ledger to show what agents changed in your systems after the fact, with undo. For changes before they happen use Dry-Run Preview; for a read-only record of who did what use Audit Log Table.

Installation

How you get it

Paste this into Claude Code, Cursor, Codex or any coding agent. It installs the file and uses it as it is, instead of writing a new one.

Use Liro's Agent Ledger for this.
Install it: npx shadcn@latest add @liro/agent-ledger
(the @liro registry is set up in components.json, with LIRO_KEY in .env.local)
Import it from @/components/ui/agent-ledger.
Do not rewrite or restyle it. Pass my data through its props
and keep its built-in states.

For the full brief with every prop and the mistakes assistants usually make, use Copy prompt above. Pro components install through the @liro registry with your CLI token: see the Namespaced tab.

Usage

components/agent-ledger-panel.tsx
import { AgentLedger, type LedgerChange } from "@/components/ui/agent-ledger";

export function AgentLedgerPanel({ changes, api }: {
  changes: LedgerChange[];
  api: { revert: (ids: string[]) => Promise<void>; followUp: (id: string) => Promise<void> };
}) {
  return <AgentLedger changes={changes} onUndo={api.revert} onFollowUp={api.followUp} />;
}

API reference

“Copy prompt” above puts a full brief on your clipboard, install command, dependencies, props, and the mistakes an assistant usually makes with this component.

Props

Read from the component’s own TypeScript interface when the site is built, so this table cannot drift from the file you install.

TypeNotes
changesLedgerChange[] Yes–
titlestring No–
onUndo(ids: string[]) => void | Promise<void> NoReverts these changes, newest first. May return a promise; the rows wait for it and stay put if it fails.
onFollowUp(id: string) => void | Promise<void> NoRuns the follow-up for a change that can't be undone.
nowDate | number NoFix the clock, for screenshots and tests.
lookLook NoLayered sets it in a tray with the status strip below. Flat is one card.

Dependencies

npm packages

clsxframer-motionlucide-reacttailwind-merge

Liro foundations, installed alongside it

liro-themebadgebutton

States

All of them are drawn by the component. None is left for you to design.

  • Changes in place
  • Undo with dependents
  • Can't be undone
  • Undoing
  • Undo failed
  • Undone
  • Empty

Accessibility

  • Keyboard reachable throughout, in visual order
  • Focus trapped in overlays, Escape closes them
  • Focus returns to whatever opened it
  • Live regions announce what changed, not that something did
  • Honours prefers-reduced-motion

Responsive behavior

  • Sizes to its container, not the viewport
  • Usable from 320px up
  • Pointer-based interaction, so trackpad and touch both work
  • No hover-only affordances