by Puliczek
🔥🔒 Awesome MCP (Model Context Protocol) Security 🖥️
# Add to your Claude Code skills
git clone https://github.com/Puliczek/awesome-mcp-securityGuides for using mcp servers skills like awesome-mcp-security.
Last scanned: 5/8/2026
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Everything you need to know about Model Context Protocol (MCP) security.
Official Security Considerations from the Official MCP Specification Rev: 2025-03-26
[!NOTE] 15.04.2025: The current MCP auth specification is in progress of being replaced by a more robust specification. Please join the conversation if you have concerns around the current auth specification.
Servers MUST:
Clients SHOULD:
[!WARNING]
For trust & safety and security, clients MUST consider tool annotations to be untrusted unless they come from trusted servers.
[!WARNING]
For trust & safety and security, there SHOULD always be a human in the loop* with the ability to deny tool invocations.Applications SHOULD:
- Provide UI that makes clear which tools are being exposed to the AI model.
- Insert clear visual indicators when tools are invoked.
- Present confirmation prompts to the user for operations, to ensure a human is in the loop.
[!NOTE]
*Human-in-the-Loop (HITL) means that user help monitor and guide automated tasks, like deciding whether to accept tool requests in Cursor.