find_dispute

THE RISK

Low Risk

Why find_dispute needs a policy

This tool only retrieves dispute information via a GraphQL query. It has no side effects, does not modify data, execute code, delete records, or transfer funds. It is a straightforward read operation on existing dispute records in the AP2 payment protocol system.

From the tool's definition Tool description states 'Fetch a dispute by id' and 'Returns id, status, reason, amountDisputed, receivedDate, replyByDate' — pure data retrieval with no modification, deletion, or execution of external operations.

Documented attack patterns abuse exactly the kind of access find_dispute gives an agent:

POLICY

How to control find_dispute

PolicyLayer is an MCP gateway — it sits between your AI agents and Mcp Ap2, and nothing reaches the server without passing your rules. This is the rule we recommend for find_dispute:

policy.json

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

find_dispute is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Mcp Ap2 — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about find_dispute

What does the find_dispute tool do? +

Fetch a dispute by id via the GraphQL node(id:) query. Returns id, status, reason, amountDisputed, receivedDate, replyByDate. It is categorised as a Read tool in the Mcp Ap2 MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on find_dispute? +

Register the Mcp Ap2 MCP server in PolicyLayer and add a rule for find_dispute: 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 Ap2. Nothing to install.

What risk level is find_dispute? +

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

Can I rate-limit find_dispute? +

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

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

find_dispute is provided by the Mcp Ap2 MCP server (@codespar/mcp-ap2). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Mcp Ap2 tool call.

Start from Mcp Ap2, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →