Get details of a specific user by ID.
AI agents call fizzy_get_user to retrieve information from Fizzy Do MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a simple lookup/fetch operation on user data. It retrieves information by ID with no side effects, no data modification, and no irreversible actions. This is a classic Read operation with minimal risk.
From the tool's definition Tool name 'fizzy_get_user' and description 'Get details of a specific user by ID' indicate a retrieval operation that queries user information without modifying or deleting data.
Attacks that exploit this kind of access
Get details of a specific user by ID. It is categorised as a Read tool in the Fizzy Do MCP MCP Server, which means it retrieves data without modifying state.
Register the Fizzy Do MCP server in PolicyLayer and add a rule for fizzy_get_user: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Fizzy Do MCP. Nothing to install.
fizzy_get_user is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the fizzy_get_user rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for fizzy_get_user. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
fizzy_get_user is provided by the Fizzy Do MCP server (ryanyogan/fizzy-do-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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