Get all available categories for Chuck Norris jokes
AI agents call get-chuck-categories to retrieve information from Jokes MCP Server 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 data retrieval operation—fetching a list of available joke categories. It has no side effects, cannot modify or delete data, and poses minimal security risk if misused by an AI agent. The worst outcome would be retrieving category metadata, which is harmless.
From the tool's definition Tool name 'get-chuck-categories' and description 'Get all available categories for Chuck Norris jokes' indicate a retrieval operation that queries and returns data without modifying, deleting, or executing any external operations.
Attacks that exploit this kind of access
Get all available categories for Chuck Norris jokes. It is categorised as a Read tool in the Jokes MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Jokes MCP Server MCP server in PolicyLayer and add a rule for get-chuck-categories: 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 Jokes MCP Server. Nothing to install.
get-chuck-categories 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-chuck-categories 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-chuck-categories. 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-chuck-categories is provided by the Jokes MCP Server MCP server (johan2328/ia_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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