ebay_get_notification_public_key

Get a public key for verifying notification signatures

SERVEREbay SOURCEyosefhayim/ebay-mcp

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/yosefhayim-ebay-mcp/ebay-get-notification-public-key.md

WHAT IT DOES

What ebay_get_notification_public_key does on Ebay

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

RISK

Why ebay_get_notification_public_key is rated Low

This is a straightforward read operation that retrieves cryptographic material needed to verify webhook signatures. It has no capability to modify, delete, or execute anything, and poses minimal risk even if an AI agent calls it unnecessarily.

From the tool's definition The tool description explicitly states it 'Get[s] a public key' — a retrieval operation with no side effects. Public keys are by design non-sensitive data meant to be distributed and used for cryptographic verification.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs ebay_get_notification_public_key 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_get_notification_public_key, this is the rule to start with:

ebay_get_notification_public_key Allowed

ebay_get_notification_public_key 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": {
    "ebay_get_notification_public_key": {}
  }
}

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

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

FAQ

Questions about ebay_get_notification_public_key

What does the ebay_get_notification_public_key tool do? +

Get a public key for verifying notification signatures. It is categorised as a Read tool in the Ebay MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on ebay_get_notification_public_key? +

Register the Ebay MCP server in PolicyLayer and add a rule for ebay_get_notification_public_key: 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_get_notification_public_key? +

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

Can I rate-limit ebay_get_notification_public_key? +

Yes. Add a rate_limit block to the ebay_get_notification_public_key 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_get_notification_public_key completely? +

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

ebay_get_notification_public_key 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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