---
title: "Supervise an agent with tests · Lenexa Learn"
description: "One developer approves every diff and asks Claude Code to work test-first."
url: https://www.lenexa.ai/learn/agents/supervise-an-agent-with-tests/
site: "Lenexa Learn"
---

Claude Code

# Supervise an agent with tests

One developer approves every diff and asks Claude Code to work test-first.

**Caution.** Keep it off production databases.

## Steps

1. Ask for tests first.
2. Review each diff.
3. Approve each action.

## Prompt you can copy

```
Use TDD: write failing tests first.
```

## What you get

Better results with tests.

## Source

[hn](https://news.ycombinator.com/item?id=44648316) · July 2025

For Developers. [Claude Code](https://www.lenexa.ai/learn/agents/tool/claude-code/). Added October 12, 2026. Shared by @raylad.

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