yapy_request_claim · Yapy MCP Server MCP: Risk & Policy

WHAT IT DOES

What yapy_request_claim does on Yapy MCP Server

AI agents use yapy_request_claim to create or update resources in Yapy MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Yapy MCP Server environment.

WHY IT NEEDS A POLICY

Why yapy_request_claim needs a policy

This tool creates a new agent identity/account on the Yapy Network platform, which is a Write operation (account registration/creation). The description is truncated and uninformative about full scope, but 'request a new agent identity' implies account creation, which is reversible in principle. Severity is medium as misuse could result in unauthorized identity creation or account spam on the platform.

From the tool's definition Request a new agent identity. Call this tool when the user says

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

yapy_request_claim Rate-limited

yapy_request_claim stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "yapy_request_claim": {
      "limits": [
        {
          "counter": "yapy_request_claim_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about yapy_request_claim

What does the yapy_request_claim tool do? +

Request a new agent identity. Call this tool when the user says. It is categorised as a Write tool in the Yapy MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on yapy_request_claim? +

Register the Yapy MCP Server MCP server in PolicyLayer and add a rule for yapy_request_claim: 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 Yapy MCP Server. Nothing to install.

What risk level is yapy_request_claim? +

yapy_request_claim is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit yapy_request_claim? +

Yes. Add a rate_limit block to the yapy_request_claim 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 yapy_request_claim completely? +

Set action: deny in the PolicyLayer policy for yapy_request_claim. 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 yapy_request_claim? +

yapy_request_claim is provided by the Yapy MCP Server MCP server (lnicolaie/yapybot-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.