Agent Tool Approval

Human-in-the-loop approval interface for agent tool calls, letting users review parameters, assess risk, and approve or reject actions before execution.

Features

Pending Approval Card: Each tool call surfaces as a reviewable card with clear approve/reject actions
Risk Assessment: Visual risk indicator helps users gauge the potential impact of each tool invocation
Parameter Preview: Expandable parameter details so users can inspect exactly what the agent intends to do
Approval History: Scrollable log of past decisions with timestamps and outcome badges
Execution Results: After approval, see the tool's output alongside the original request

Examples

Tool Call Review

Tool Approval Required

The agent needs your permission before executing a tool.

Medium Risk

database_query

Execute a read-only SQL query against the analytics database

Parameters

query:SELECT user_id, COUNT(*) AS sessions FROM events WHERE ts > NOW() - INTERVAL '7 days' GROUP BY user_id ORDER BY sessions DESC LIMIT 20

database:analytics_prod

timeout:30s

Agent Reasoning

The user asked for the most active users this week. This query fetches the top 20 users by session count from the production analytics database over the last 7 days.

[
  { "user_id": "u_38291", "sessions": 142 },
  { "user_id": "u_10482", "sessions": 118 },
  { "user_id": "u_92841", "sessions": 97 }
]

Approval Timeline

3 decisions

web_searchApproved by You

2 min ago

send_emailRejected by You

8 min ago

database_queryApproved by You

14 min ago

Installation

npx shadcn add "https://agents-ui-kit.com/c/agent-tool-approval.json"