---
title: "Discussion on \"Guardrails for Claude Agent SDK agents: tool policy, approvals and spend caps in ~70 lines of Python\" | Hashnode"
description: "Discussion on \"Guardrails for Claude Agent SDK agents: tool policy, approvals and spend caps in ~70 lines of Python\". An agent that can run Bash, fetch web pages and call MCP tools needs rules about what it may do on its own, what needs a person, and how much it may spend. The Claude Agent SDK (Python) gives you the"
url: "https://hashnode.com/posts/guardrails-for-claude-agent-sdk-agents-tool-policy-approvals-and-spend-caps-in-70-lines-of-python/6af20cae1c768fefe63c8191"
---

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# [Guardrails for Claude Agent SDK agents: tool policy, approvals and spend caps in ~70 lines of Python](https://cryptomoneymakr.hashnode.dev/guardrails-for-claude-agent-sdk-agents-tool-policy-approvals-and-spend-caps-in-70-lines-of-python?utm_source=hashnode&utm_medium=feed)

An agent that can run Bash, fetch web pages and call MCP tools needs rules about what it may do on its own, what needs a person, and how much it may spend. The Claude Agent SDK (Python) gives you the

3d ago · 5 min read · cryptomoneymakr.hashnode.dev  
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-   [#agents](https://hashnode.com/tag/agents)
-   [#claude](https://hashnode.com/tag/claude)
-   [#security](https://hashnode.com/tag/security)
-   [#python](https://hashnode.com/tag/python)

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