# ebay_get_compatibilities_by_specification

Get compatibilities by specification

Agent View of the PolicyLayer registry record for `ebay_get_compatibilities_by_specification`. HTML page: https://policylayer.com/tools/yosefhayim-ebay-mcp/ebay-get-compatibilities-by-specification

## Facts

- Tool: `ebay_get_compatibilities_by_specification`
- Server: Ebay (`yosefhayim/ebay-mcp`) — https://policylayer.com/tools/yosefhayim-ebay-mcp.md
- Homepage: https://github.com/YosefHayim/ebay-mcp
- Risk category: Read (Low risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Allowed

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "ebay_get_compatibilities_by_specification",
    "arguments": {}
  }
}
```

## Why ebay_get_compatibilities_by_specification is rated Low

This tool retrieves compatibility information based on specifications. It performs a read-only query operation with no data modification, deletion, execution, or financial implications. The blast radius of misuse is minimal—an attacker could only learn about product compatibilities, not access sensitive data, modify inventory, or cause harm.

From the tool's own definition: "Tool name 'get_compatibilities_by_specification' uses the 'get' verb and description states 'Get compatibilities', indicating a retrieval/query operation with no side effects."

## Use case

AI agents call ebay_get_compatibilities_by_specification 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.

## Recommended policy (PolicyLayer)

Verdict: **Allowed**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Ebay:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "ebay_get_compatibilities_by_specification": {}
  }
}
```

## 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