---
title: "Discussion on \"Harden Your MCP Server NOW Before Anthropic Forces You To\" | Hashnode"
description: "Discussion on \"Harden Your MCP Server NOW Before Anthropic Forces You To\". A researcher at adversa.ai just demonstrated a zero-click RCE chain that starts with a calendar invite and ends with full code execution on your machine. The attack path goes through MCP tool chaining - low-risk tools escalating to high-risk local ex..."
url: "https://hashnode.com/posts/harden-your-mcp-server-now-before-anthropic-forces-you-to/69b1b139e30fac48bacc0246"
---

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# [Harden Your MCP Server NOW Before Anthropic Forces You To](https://ai-agent-economy.hashnode.dev/harden-your-mcp-server-now-before-anthropic-forces-you-to?utm_source=hashnode&utm_medium=feed)

A researcher at adversa.ai just demonstrated a zero-click RCE chain that starts with a calendar invite and ends with full code execution on your machine. The attack path goes through MCP tool chaining - low-risk tools escalating to high-risk local ex...

Mar 11 · 5 min read · ai-agent-economy.hashnode.dev  
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-   [#ai](https://hashnode.com/tag/ai)
-   [#cybersecurity](https://hashnode.com/tag/cybersecurity)
-   [#mcp](https://hashnode.com/tag/mcp)
-   [#security](https://hashnode.com/tag/security)

## Written by

[Up2itnow Bill Wilson](https://hashnode.com/@up2itnow)

@up2itnow · Texas, USA

  
[View profile](https://hashnode.com/@up2itnow)

Building the agent economy

I'm building payment rails for agent-to-agent payments

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