---
title: "Discussion on \"You Shall Not Pass — Allow/Deny Policies for MCP Tools Are Now in Heimdall\" | Hashnode"
description: "Discussion on \"You Shall Not Pass — Allow/Deny Policies for MCP Tools Are Now in Heimdall\". Just shipped a two-level policy config. Drop in your repo root for local rules, and optionally for global rules that apply across all your projects."
url: "https://hashnode.com/posts/you-shall-not-pass-allow-deny-policies-for-mcp-tools/6a0b490d4e81b730487f51a2"
---

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Discussion

# [You Shall Not Pass — Allow/Deny Policies for MCP Tools Are Now in Heimdall](https://blog.cardor.dev/you-shall-not-pass-allow-deny-policies-for-mcp-tools?utm_source=hashnode&utm_medium=feed)

Just shipped a two-level policy config. Drop in your repo root for local rules, and optionally for global rules that apply across all your projects.

May 18 · 4 min read · blog.cardor.dev  
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-   [#mcp](https://hashnode.com/tag/mcp)
-   [#claude](https://hashnode.com/tag/claude)
-   [#copilot](https://hashnode.com/tag/copilot)
-   [#agentic-ai](https://hashnode.com/tag/agentic-ai)
-   [#security](https://hashnode.com/tag/security)

## Written by

[Enmanuel Magallanes](https://hashnode.com/@enmanuelmag)

@enmanuelmag · Manta, Ecuador

  
[View profile](https://hashnode.com/@enmanuelmag)

Senior Fullstack developer

I am a computer science engineer, I have also been a member of CERN’s Summer Students program in 2022. I am constantly learning and reviewing new web development technologies Frontend, Backend, DevOps

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