flip-coin · Skybridge Everything App MCP: Risk & Policy

WHAT IT DOES

What flip-coin does on Skybridge Everything App

AI agents call flip-coin as a supporting operation in Skybridge Everything App workflows.

PARAMETERS

Parameter	Type	Required	Description
`guess`	string	Yes	The user's guess
`user_intent`	string	—	A concise summary of what the user is trying to accomplish, derived from their message or the conversation context that triggered this tool call. This is used t

Parameters from the server's own tool schema.

WHY IT NEEDS A POLICY

Why flip-coin needs a policy

This tool performs a simple random coin flip and compares it to a user guess. It has no side effects, does not read/write external data, execute code, delete anything, or involve finances. It is a self-contained, stateless utility — a genuine 'Other' category tool.

From the tool's definition Flips a coin and checks if the user's guess is correct

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

flip-coin Rate-limited

flip-coin gets a rate cap, and everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "flip-coin": {
      "limits": [
        {
          "counter": "flip-coin_rate",
          "window": "minute",
          "max": 60,
          "scope": "grant"
        }
      ]
    }
  }
}

SET A RULE FOR THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Skybridge Everything App, so you can run agents against it safely.

FAQ

Questions about flip-coin

What does the flip-coin tool do? +

Flips a coin and checks if the user's guess is correct. It is categorised as a Other tool in the Skybridge Everything App MCP Server, which means it performs auxiliary operations.

What parameters does flip-coin accept? +

flip-coin accepts 2 parameters: guess, user_intent. Required: guess. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on flip-coin? +

Register the Skybridge Everything App MCP server in PolicyLayer and add a rule for flip-coin: 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 Skybridge Everything App. Nothing to install.

What risk level is flip-coin? +

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

Can I rate-limit flip-coin? +

Yes. Add a rate_limit block to the flip-coin 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 flip-coin completely? +

Set action: deny in the PolicyLayer policy for flip-coin. 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 flip-coin? +

flip-coin is provided by the Skybridge Everything App MCP server (https://everything.skybridge.tech). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.