# ebay_update_offer Update an existing offer Agent View of the PolicyLayer registry record for `ebay_update_offer`. HTML page: https://policylayer.com/tools/yosefhayim-ebay-mcp/ebay-update-offer ## Facts - Tool: `ebay_update_offer` - Server: Ebay (`yosefhayim/ebay-mcp`) — https://policylayer.com/tools/yosefhayim-ebay-mcp.md - Homepage: https://github.com/YosefHayim/ebay-mcp - Risk category: Write (Medium risk) - Registry record: grade F, identity unverified - Server rate-limited: no - Parameters: 0 - Recommended policy verdict: Rate-limited ## Example call (MCP tools/call, JSON-RPC 2.0) ```json { "jsonrpc": "2.0", "id": 1, "method": "tools/call", "params": { "name": "ebay_update_offer", "arguments": {} } } ``` ## Why ebay_update_offer is rated Medium Updating offers on eBay modifies pricing, inventory, terms, or other listing properties that affect active sales and customer interactions. While reversible (can be updated again), this is a Write operation rather than Read (retrieves data) or Execute (runs arbitrary code). The high severity reflects the business impact of malicious or erroneous offer modifications affecting multiple listings and potentially revenue. From the tool's own definition: "Tool name 'ebay_update_offer' and description 'Update an existing offer' indicate modification of existing data. The 'update' verb and context within eBay's Sell APIs (inventory management, order fulfillment) confirm this is a data modification operation." ## Use case AI agents use ebay_update_offer 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. ## Recommended policy (PolicyLayer) Verdict: **Rate-limited**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Ebay: ```json { "version": "1", "default": "deny", "tools": { "ebay_update_offer": { "limits": [ { "counter": "ebay_update_offer_rate", "window": "minute", "max": 30, "scope": "grant" } ] } } } ``` ## Other tools on Ebay (301) - `ebay_bulk_cancel_packages` — Destructive — https://policylayer.com/tools/yosefhayim-ebay-mcp/ebay-bulk-cancel-packages.md - `ebay_bulk_delete_ads_by_inventory_reference` — Destructive — https://policylayer.com/tools/yosefhayim-ebay-mcp/ebay-bulk-delete-ads-by-inventory-reference.md - `ebay_bulk_delete_ads_by_listing_id` — Destructive — https://policylayer.com/tools/yosefhayim-ebay-mcp/ebay-bulk-delete-ads-by-listing-id.md - `ebay_bulk_delete_packages` — Destructive — https://policylayer.com/tools/yosefhayim-ebay-mcp/ebay-bulk-delete-packages.md - `ebay_cancel_bundle` — Destructive — https://policylayer.com/tools/yosefhayim-ebay-mcp/ebay-cancel-bundle.md - `ebay_cancel_package` — Destructive — https://policylayer.com/tools/yosefhayim-ebay-mcp/ebay-cancel-package.md - `ebay_clear_tokens` — Destructive — https://policylayer.com/tools/yosefhayim-ebay-mcp/ebay-clear-tokens.md - `ebay_delete_ad` — Destructive — https://policylayer.com/tools/yosefhayim-ebay-mcp/ebay-delete-ad.md - `ebay_delete_ads_by_inventory_reference` — Destructive — https://policylayer.com/tools/yosefhayim-ebay-mcp/ebay-delete-ads-by-inventory-reference.md - `ebay_delete_campaign` — Destructive — https://policylayer.com/tools/yosefhayim-ebay-mcp/ebay-delete-campaign.md - `ebay_delete_email_campaign` — Destructive — https://policylayer.com/tools/yosefhayim-ebay-mcp/ebay-delete-email-campaign.md - `ebay_delete_fulfillment_policy` — Destructive — https://policylayer.com/tools/yosefhayim-ebay-mcp/ebay-delete-fulfillment-policy.md - `ebay_delete_inventory_item` — Destructive — https://policylayer.com/tools/yosefhayim-ebay-mcp/ebay-delete-inventory-item.md - `ebay_delete_inventory_item_group` — Destructive — https://policylayer.com/tools/yosefhayim-ebay-mcp/ebay-delete-inventory-item-group.md - `ebay_delete_inventory_location` — Destructive — https://policylayer.com/tools/yosefhayim-ebay-mcp/ebay-delete-inventory-location.md - `ebay_delete_item_price_markdown_promotion` — Destructive — https://policylayer.com/tools/yosefhayim-ebay-mcp/ebay-delete-item-price-markdown-promotion.md - `ebay_delete_item_promotion` — Destructive — https://policylayer.com/tools/yosefhayim-ebay-mcp/ebay-delete-item-promotion.md - `ebay_delete_notification_destination` — Destructive — https://policylayer.com/tools/yosefhayim-ebay-mcp/ebay-delete-notification-destination.md - `ebay_delete_notification_subscription` — Destructive — https://policylayer.com/tools/yosefhayim-ebay-mcp/ebay-delete-notification-subscription.md - `ebay_delete_notification_subscription_filter` — Destructive — https://policylayer.com/tools/yosefhayim-ebay-mcp/ebay-delete-notification-subscription-filter.md - `ebay_delete_offer` — Destructive — https://policylayer.com/tools/yosefhayim-ebay-mcp/ebay-delete-offer.md - `ebay_delete_package` — Destructive — https://policylayer.com/tools/yosefhayim-ebay-mcp/ebay-delete-package.md - `ebay_delete_payment_policy` — Destructive — https://policylayer.com/tools/yosefhayim-ebay-mcp/ebay-delete-payment-policy.md - `ebay_delete_product_compatibility` — Destructive — https://policylayer.com/tools/yosefhayim-ebay-mcp/ebay-delete-product-compatibility.md - `ebay_delete_report_task` — Destructive — https://policylayer.com/tools/yosefhayim-ebay-mcp/ebay-delete-report-task.md - `ebay_delete_return_policy` — Destructive — https://policylayer.com/tools/yosefhayim-ebay-mcp/ebay-delete-return-policy.md - `ebay_delete_sales_tax` — Destructive — https://policylayer.com/tools/yosefhayim-ebay-mcp/ebay-delete-sales-tax.md - `ebay_delete_sku_location_mapping` — Destructive — https://policylayer.com/tools/yosefhayim-ebay-mcp/ebay-delete-sku-location-mapping.md - `ebay_end_listing` — Destructive — https://policylayer.com/tools/yosefhayim-ebay-mcp/ebay-end-listing.md - `ebay_withdraw_offer` — Destructive — https://policylayer.com/tools/yosefhayim-ebay-mcp/ebay-withdraw-offer.md - …and 271 more: https://policylayer.com/tools/yosefhayim-ebay-mcp.md ## For agents This record is a snapshot. Live verdicts and the full registry: - Check every server in your MCP config at once: `npx -y policylayer stack` - Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md) - Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events` --- Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=yosefhayim-ebay-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/yosefhayim-ebay-mcp