High-risk tools in Vulnerable MCP Server
6 of the 15 tools in Vulnerable MCP Server are classified as high risk. This page profiles those tools specifically, with recommended policy actions and the attack patterns that target them.
Every operation listed below is an action PolicyLayer recommends controlling at the transport layer. Open any tool to see the full profile, risk score, and YAML policy snippet.
Tools at high risk
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authenticate_userExecuteAuthenticate a user with username and password. Returns a session token.
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database_queryExecuteExecute a SQL query against the internal user database.
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deserialize_objectExecuteDeserialize a base64-encoded Python pickle object for data transfer between services.
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execute_system_commandExecuteexecute_system_command
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proxy_requestExecuteproxy_request
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run_codeExecuteExecute arbitrary Python code on the server for scripting and automation.
Attacks that target this class
High-risk tools in any server share these documented attack patterns. Each links to the full case and the defensive policy.