ebay_update_payment_dispute_evidence

Update existing evidence in a payment dispute.\n\nRequired OAuth Scope: sell.fulfillment\nMinimum Scope: https://api.ebay.com/oauth/api_scope/sell.fulfillment

SERVEREbay SOURCEyosefhayim/ebay-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/yosefhayim-ebay-mcp/ebay-update-payment-dispute-evidence.md

WHAT IT DOES

What ebay_update_payment_dispute_evidence does on Ebay

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

RISK

Why ebay_update_payment_dispute_evidence is rated Medium

This tool modifies existing payment dispute evidence, which is reversible (evidence can be updated again or removed), placing it in the Write category rather than Destructive. However, the severity is high because tampering with payment dispute evidence could be used to fraudulently influence dispute outcomes, potentially resulting in financial loss, unauthorized payment reversals, or eBay account sanctions.

From the tool's definition Tool name indicates 'update' operation on 'payment dispute evidence', which modifies existing data. Description explicitly states 'Update existing evidence in a payment dispute.' The OAuth scope 'sell.fulfillment' permits modifications to fulfillment and…

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs ebay_update_payment_dispute_evidence safely

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

ebay_update_payment_dispute_evidence Rate-limited

ebay_update_payment_dispute_evidence 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": {
    "ebay_update_payment_dispute_evidence": {
      "limits": [
        {
          "counter": "ebay_update_payment_dispute_evidence_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about ebay_update_payment_dispute_evidence

What does the ebay_update_payment_dispute_evidence tool do? +

Update existing evidence in a payment dispute.\n\nRequired OAuth Scope: sell.fulfillment\nMinimum Scope: https://api.ebay.com/oauth/api_scope/sell.fulfillment. It is categorised as a Write tool in the Ebay MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on ebay_update_payment_dispute_evidence? +

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

What risk level is ebay_update_payment_dispute_evidence? +

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

Can I rate-limit ebay_update_payment_dispute_evidence? +

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

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

ebay_update_payment_dispute_evidence is provided by the Ebay MCP server (yosefhayim/ebay-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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