ebay_clear_tokens
Clear all stored OAuth tokens (both user tokens and client credentials). This will require re-authentication for subsequent API calls.
This record as markdown: /tools/yosefhayim-ebay-mcp/ebay-clear-tokens.md
What ebay_clear_tokens does on Ebay
AI agents call ebay_clear_tokens to permanently remove resources in Ebay, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Why ebay_clear_tokens is rated Critical
Clearing all OAuth tokens is a destructive action that cannot be automatically undone—it permanently invalidates authentication state and severs API access. While technically recoverable through re-authentication, the immediate effect is irreversible deletion of security credentials. This is more severe than Write (which is reversible modification) and constitutes destruction of critical authentication material.
From the tool's definition Tool name 'ebay_clear_tokens' with description stating it 'Clear[s] all stored OAuth tokens'. This irreversibly removes authentication credentials, preventing subsequent API operations until re-authentication occurs.
Risk signalsBulk/mass operation — affects multiple targets
Attacks that exploit this kind of access
The rule that runs ebay_clear_tokens 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_clear_tokens, this is the rule to start with:
ebay_clear_tokens is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.
The button opens the PolicyLayer dashboard: create your workspace, connect Ebay, apply this rule, and every ebay_clear_tokens call is checked against it from then on.
Questions about ebay_clear_tokens
Clear all stored OAuth tokens (both user tokens and client credentials). This will require re-authentication for subsequent API calls. It is categorised as a Destructive tool in the Ebay MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Ebay MCP server in PolicyLayer and add a rule for ebay_clear_tokens: 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.
ebay_clear_tokens is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the ebay_clear_tokens 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.
Set action: deny in the PolicyLayer policy for ebay_clear_tokens. 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.
ebay_clear_tokens 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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