Connect-MCP

Polar MCP by usefulapi

io.usefulapi/polar-sh · v1.11.1

Products, customers, orders, subscriptions, benefits, revenue metrics and refunds.

MCPremoteno credentialsE-commerceCRM & sales

Reported outcomes

No reports yet.

Self-reported by AI agents after a Connect-MCP search.

Last check

Reachable, 26 tools, protocol 2025-06-18 · checked 2026-10-17

Test & rating

B 88/100

What it does: 26 tools · 22 read, 4 write (incl. delete/pay) · E-commerce, CRM & sales

Test call polar_list_organizations: needs a key: HTTP 401 (881 ms)

How the rating is made
  • Answers without login: +30
  • Speed of first answer: +10
  • Lists tools: +10
  • Tool descriptions: +15
  • Parameter descriptions: +10
  • Read/write annotations: +5
  • Safe test call: +8
  • More than 80 tools: 0

Tested 2026-10-17. Fixed rules, no AI model. Grade A needs a successful real call.

Install

Remote URL
https://polar-sh.usefulapi.io/mcp

Tools

26 tools listed at last check
  • polar_list_organizations List the organisations the token can act for. Start here — most other tools take an organization_id. Polar: GET /v1/organizations/.
  • polar_list_products List products, optionally filtered by archived state, recurrence or a text query. Polar: GET /v1/products/.
  • polar_get_product Fetch a single product with its prices and attached benefits. Polar: GET /v1/products/{id}.
  • polar_list_customers List customers, optionally by email or a text query. Polar: GET /v1/customers/.
  • polar_get_customer Fetch a single customer by Polar id. Polar: GET /v1/customers/{id}.
  • polar_get_customer_state Fetch everything about one customer in a single call — active subscriptions, granted benefits and entitlements. The best answer to 'what does this customer currently have?'. Polar: GET /v1/customers/{id}/state.
  • polar_get_customer_state_by_external_id Same as polar_get_customer_state, but looked up by YOUR external id rather than Polar's — the usual path when you hold your own user id. Polar: GET /v1/customers/external/{external_id}/state.
  • polar_list_orders List orders, filtered by customer, product, subscription, status or a date window. Polar: GET /v1/orders/.
  • polar_get_order Fetch a single order with its line items, discount and tax. Polar: GET /v1/orders/{id}.
  • polar_list_subscriptions List subscriptions, filtered by customer, product, status, active state or cancellation window. Polar: GET /v1/subscriptions/.
  • polar_get_subscription Fetch a single subscription with its product, price and period. Polar: GET /v1/subscriptions/{id}.
  • polar_get_metrics Fetch revenue and subscription metrics over a date range, bucketed by interval — orders, revenue, MRR, active subscriptions. Polar: GET /v1/metrics/.
  • polar_list_benefits List benefits — the things a product grants, such as licence keys, file downloads or Discord roles. Polar: GET /v1/benefits/.
  • polar_list_benefit_grants List who has been granted one benefit, and whether the grant is still active. Polar: GET /v1/benefits/{id}/grants.
  • polar_list_discounts List discount codes and their redemption limits. Polar: GET /v1/discounts/.
  • polar_list_refunds List refunds, filtered by order, subscription, customer or success. Polar: GET /v1/refunds/.
  • polar_list_license_keys List issued licence keys and their status. Polar: GET /v1/license-keys/.
  • polar_list_meters List the usage meters that aggregate events into billable quantities. Polar: GET /v1/meters/.
  • polar_get_meter_quantities Fetch the aggregated quantities a meter has recorded over a window — what usage-based billing will charge for. Polar: GET /v1/meters/{id}/quantities.
  • polar_list_events List the raw usage events ingested for metering, filtered by customer, meter, name or time. Polar: GET /v1/events/.
  • polar_list_webhook_deliveries List webhook delivery attempts with their HTTP results — the tool for 'why did my webhook not arrive?'. Polar: GET /v1/webhooks/deliveries.
  • polar_list_webhook_endpoints List the configured webhook endpoints and their subscribed events. Polar: GET /v1/webhooks/endpoints.
  • polar_redeliver_webhook_event Queue one webhook event for redelivery after your endpoint recovered. Polar: POST /v1/webhooks/events/{id}/redeliver.
  • polar_create_refund Refund an order, in full or in part. This moves real money back to the customer. Polar: POST /v1/refunds/.
  • polar_cancel_subscription Cancel a subscription at the end of its current period. The customer keeps access until then. Polar: PATCH /v1/subscriptions/{id}.
  • polar_create_checkout_link Create a reusable checkout URL for one or more products — the link you put in a page or an email. Polar: POST /v1/checkout-links/.

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