Get a random joke from the official joke API.
AI agents call get_joke_of_the_day to retrieve information from MCP Utility Kit without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool merely queries an external API to retrieve and return joke data to the user. There are no state changes, data modifications, deletions, code executions, or financial transactions involved. It is a straightforward read operation with no capability for misuse beyond information disclosure, which carries minimal risk.
From the tool's definition Tool name is 'get_joke_of_the_day' and description states it retrieves 'a random joke from the official joke API'. The verb 'Get' and the read-only nature of fetching jokes indicate no side effects or data modification.
Attacks that exploit this kind of access
Get a random joke from the official joke API. It is categorised as a Read tool in the MCP Utility Kit MCP Server, which means it retrieves data without modifying state.
Register the MCP Utility Kit MCP server in PolicyLayer and add a rule for get_joke_of_the_day: 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 MCP Utility Kit. Nothing to install.
get_joke_of_the_day 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 get_joke_of_the_day 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 get_joke_of_the_day. 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.
get_joke_of_the_day is provided by the MCP Utility Kit MCP server (thananauto/mcp-utility-kit). 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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