# get_subscription_by_merchant_reference A read tool on the PineLabs Plural PG — Payment Gateway MCP Server MCP server. Agent View of the PolicyLayer registry record for `get_subscription_by_merchant_reference`. HTML page: https://policylayer.com/tools/io-github-plural-pinelabs-pinelabs-online-mcp/get-subscription-by-merchant-reference ## Facts - Tool: `get_subscription_by_merchant_reference` - Server: PineLabs Plural PG — Payment Gateway MCP Server (`pypi:pinelabs-mcp-server`) — https://policylayer.com/tools/io-github-plural-pinelabs-pinelabs-online-mcp.md - Install: `npx -y pypi:pinelabs-mcp-server` - Homepage: https://github.com/plural-pinelabs/pinelabs-online-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": "get_subscription_by_merchant_reference", "arguments": {} } } ``` ## Why get_subscription_by_merchant_reference is rated Low Despite the empty description lowering confidence slightly, the naming convention strongly suggests this is a read-only retrieval operation that queries subscription information by merchant reference. It does not create, modify, delete, or execute transactions. No financial obligation is created by merely retrieving subscription details. From the tool's own definition: "Tool name 'get_subscription_by_merchant_reference' uses the 'get_' prefix pattern, which conventionally indicates retrieval/query operations without side effects." ## Use case AI agents call get_subscription_by_merchant_reference to retrieve information from PineLabs Plural PG — Payment Gateway MCP Server 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 PineLabs Plural PG — Payment Gateway MCP Server: ```json { "version": "1", "default": "deny", "tools": { "get_subscription_by_merchant_reference": {} } } ``` ## Other tools on PineLabs Plural PG — Payment Gateway MCP Server (56) - `cancel_order` — Destructive — https://policylayer.com/tools/io-github-plural-pinelabs-pinelabs-online-mcp/cancel-order.md - `delete_plan` — Destructive — https://policylayer.com/tools/io-github-plural-pinelabs-pinelabs-online-mcp/delete-plan.md - `delete_presentation` — Destructive — https://policylayer.com/tools/io-github-plural-pinelabs-pinelabs-online-mcp/delete-presentation.md - `resend_otp` — Execute — https://policylayer.com/tools/io-github-plural-pinelabs-pinelabs-online-mcp/resend-otp.md - `submit_otp` — Execute — https://policylayer.com/tools/io-github-plural-pinelabs-pinelabs-online-mcp/submit-otp.md - `cancel_payment_link` — Financial — https://policylayer.com/tools/io-github-plural-pinelabs-pinelabs-online-mcp/cancel-payment-link.md - `cancel_payout` — Financial — https://policylayer.com/tools/io-github-plural-pinelabs-pinelabs-online-mcp/cancel-payout.md - `cancel_subscription` — Financial — https://policylayer.com/tools/io-github-plural-pinelabs-pinelabs-online-mcp/cancel-subscription.md - `capture_order` — Financial — https://policylayer.com/tools/io-github-plural-pinelabs-pinelabs-online-mcp/capture-order.md - `create_card_payment` — Financial — https://policylayer.com/tools/io-github-plural-pinelabs-pinelabs-online-mcp/create-card-payment.md - `create_debit` — Financial — https://policylayer.com/tools/io-github-plural-pinelabs-pinelabs-online-mcp/create-debit.md - `create_merchant_retry` — Financial — https://policylayer.com/tools/io-github-plural-pinelabs-pinelabs-online-mcp/create-merchant-retry.md - `create_order` — Financial — https://policylayer.com/tools/io-github-plural-pinelabs-pinelabs-online-mcp/create-order.md - `create_payment_link` — Financial — https://policylayer.com/tools/io-github-plural-pinelabs-pinelabs-online-mcp/create-payment-link.md - `create_payout` — Financial — https://policylayer.com/tools/io-github-plural-pinelabs-pinelabs-online-mcp/create-payout.md - `create_plan` — Financial — https://policylayer.com/tools/io-github-plural-pinelabs-pinelabs-online-mcp/create-plan.md - `create_refund` — Financial — https://policylayer.com/tools/io-github-plural-pinelabs-pinelabs-online-mcp/create-refund.md - `create_subscription` — Financial — https://policylayer.com/tools/io-github-plural-pinelabs-pinelabs-online-mcp/create-subscription.md - `create_upi_intent_payment_with_qr` — Financial — https://policylayer.com/tools/io-github-plural-pinelabs-pinelabs-online-mcp/create-upi-intent-payment-with-qr.md - `integrate_pinelabs_checkout` — Financial — https://policylayer.com/tools/io-github-plural-pinelabs-pinelabs-online-mcp/integrate-pinelabs-checkout.md - `pause_subscription` — Financial — https://policylayer.com/tools/io-github-plural-pinelabs-pinelabs-online-mcp/pause-subscription.md - `resume_subscription` — Financial — https://policylayer.com/tools/io-github-plural-pinelabs-pinelabs-online-mcp/resume-subscription.md - `send_subscription_notification` — Financial — https://policylayer.com/tools/io-github-plural-pinelabs-pinelabs-online-mcp/send-subscription-notification.md - `update_payout` — Financial — https://policylayer.com/tools/io-github-plural-pinelabs-pinelabs-online-mcp/update-payout.md - `update_subscription` — Financial — https://policylayer.com/tools/io-github-plural-pinelabs-pinelabs-online-mcp/update-subscription.md - `detect_stack` — Other — https://policylayer.com/tools/io-github-plural-pinelabs-pinelabs-online-mcp/detect-stack.md - `fetch_order_payments` — Read — https://policylayer.com/tools/io-github-plural-pinelabs-pinelabs-online-mcp/fetch-order-payments.md - `get_all_settlements` — Read — https://policylayer.com/tools/io-github-plural-pinelabs-pinelabs-online-mcp/get-all-settlements.md - `get_api_documentation` — Read — https://policylayer.com/tools/io-github-plural-pinelabs-pinelabs-online-mcp/get-api-documentation.md - `get_card_details` — Read — https://policylayer.com/tools/io-github-plural-pinelabs-pinelabs-online-mcp/get-card-details.md - …and 26 more: https://policylayer.com/tools/io-github-plural-pinelabs-pinelabs-online-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=io-github-plural-pinelabs-pinelabs-online-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/io-github-plural-pinelabs-pinelabs-online-mcp