fortune_cookie

Get a fortune cookie message.

SERVERTinyFn SOURCEhttps://api.tinyfn.io/mcp/all/

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-tinyfn-tinyfn/fortune-cookie.md

WHAT IT DOES

What fortune_cookie does on TinyFn

AI agents call fortune_cookie to retrieve information from TinyFn without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why fortune_cookie is rated Low

This is a simple data retrieval operation that returns a predetermined or randomly selected fortune message. It has no capability to modify system state, execute commands, move money, or destroy data. It fits the Read category as it only queries and returns information without side effects.

From the tool's definition The tool 'fortune_cookie' retrieves a fortune cookie message. The description indicates it 'Get[s]' data with no modification, deletion, or side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs fortune_cookie safely

PolicyLayer is an MCP gateway: it sits between your AI agents and TinyFn, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For fortune_cookie, this is the rule to start with:

fortune_cookie Allowed

fortune_cookie is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "fortune_cookie": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect TinyFn, apply this rule, and every fortune_cookie call is checked against it from then on.

FAQ

Questions about fortune_cookie

What does the fortune_cookie tool do? +

Get a fortune cookie message. It is categorised as a Read tool in the TinyFn MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on fortune_cookie? +

Register the TinyFn MCP server in PolicyLayer and add a rule for fortune_cookie: 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 TinyFn. Nothing to install.

What risk level is fortune_cookie? +

fortune_cookie is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit fortune_cookie? +

Yes. Add a rate_limit block to the fortune_cookie 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.

How do I block fortune_cookie completely? +

Set action: deny in the PolicyLayer policy for fortune_cookie. 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.

What MCP server provides fortune_cookie? +

fortune_cookie is provided by the TinyFn MCP server (https://api.tinyfn.io/mcp/all/). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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