ebay_get_oauth_url

Generate the eBay OAuth authorization URL for user consent. The user should open this URL in a browser to grant permissions to the application. This supports the OAuth 2.0 Authorization Code grant flow. The redirect URI can be provided as a parameter or will be read from EBAY_REDIRECT_URI environ...

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-oauth-url.md

WHAT IT DOES

What ebay_get_oauth_url does on Ebay

AI agents call ebay_get_oauth_url 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_oauth_url is rated Low

This tool retrieves/generates a URL string that facilitates the OAuth flow but does not itself authenticate, authorize, execute commands, modify data, or perform destructive operations. It is a Read operation - it may query configuration (redirect URI from environment) and return a formatted URL.

From the tool's definition The tool generates and returns an OAuth authorization URL for user consent. The description states it "generates" the URL and notes that "the user should open this URL in a browser to grant permissions" - this is purely informational retrieval with no side…

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs ebay_get_oauth_url 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_oauth_url, this is the rule to start with:

ebay_get_oauth_url Allowed

ebay_get_oauth_url 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_oauth_url": {}
  }
}

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_oauth_url call is checked against it from then on.

FAQ

Questions about ebay_get_oauth_url

What does the ebay_get_oauth_url tool do? +

How do I enforce a policy on ebay_get_oauth_url? +

Register the Ebay MCP server in PolicyLayer and add a rule for ebay_get_oauth_url: 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_oauth_url? +

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

Can I rate-limit ebay_get_oauth_url? +

Yes. Add a rate_limit block to the ebay_get_oauth_url 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_oauth_url completely? +

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

ebay_get_oauth_url 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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