MCP server

Polar MCP by usefulapi

io.usefulapi/polar-sh

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

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

Website Source

At a glance

Type

MCP server

Publisher

usefulapi.io (verified by the MCP Registry)

Status

Working at last check

Tools

26

Token cost

About 4,954 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http polar-sh https://polar-sh.usefulapi.io/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.polar-sh]
url = "https://polar-sh.usefulapi.io/mcp"

Gemini CLI

{"mcpServers":{"polar-sh":{"httpUrl":"https://polar-sh.usefulapi.io/mcp"}}}

Cursor

{"mcpServers":{"polar-sh":{"url":"https://polar-sh.usefulapi.io/mcp"}}}

VS Code

{"servers":{"polar-sh":{"type":"http","url":"https://polar-sh.usefulapi.io/mcp"}}}

Antigravity

agy mcp add polar-sh https://polar-sh.usefulapi.io/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"polar-sh","server_url":"https://polar-sh.usefulapi.io/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"polar-sh","server_url":"https://polar-sh.usefulapi.io/mcp"}

Tools

• polar_cancel_subscription ~175 tokens
  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 Moves money · ~220 tokens
  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/.
• polar_create_refund Moves money · ~260 tokens
  Refund an order, in full or in part. This moves real money back to the customer. Polar: POST /v1/refunds/.
• polar_get_customer ~91 tokens
  Fetch a single customer by Polar id. Polar: GET /v1/customers/{id}.
• polar_get_customer_state ~134 tokens
  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 ~134 tokens
  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_get_meter_quantities ~226 tokens
  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_get_metrics ~261 tokens
  Fetch revenue and subscription metrics over a date range, bucketed by interval — orders, revenue, MRR, active subscriptions. Polar: GET /v1/metrics/.
• polar_get_order ~92 tokens
  Fetch a single order with its line items, discount and tax. Polar: GET /v1/orders/{id}.
• polar_get_product ~95 tokens
  Fetch a single product with its prices and attached benefits. Polar: GET /v1/products/{id}.
• polar_get_subscription ~103 tokens
  Fetch a single subscription with its product, price and period. Polar: GET /v1/subscriptions/{id}.
• polar_list_benefit_grants ~158 tokens
  List who has been granted one benefit, and whether the grant is still active. Polar: GET /v1/benefits/{id}/grants.
• polar_list_benefits ~210 tokens
  List benefits — the things a product grants, such as licence keys, file downloads or Discord roles. Polar: GET /v1/benefits/.
• polar_list_customers ~205 tokens
  List customers, optionally by email or a text query. Polar: GET /v1/customers/.
• polar_list_discounts ~184 tokens
  List discount codes and their redemption limits. Polar: GET /v1/discounts/.
• polar_list_events ~275 tokens
  List the raw usage events ingested for metering, filtered by customer, meter, name or time. Polar: GET /v1/events/.
• polar_list_license_keys ~209 tokens
  List issued licence keys and their status. Polar: GET /v1/license-keys/.
• polar_list_meters ~163 tokens
  List the usage meters that aggregate events into billable quantities. Polar: GET /v1/meters/.
• polar_list_orders ~316 tokens
  List orders, filtered by customer, product, subscription, status or a date window. Polar: GET /v1/orders/.
• polar_list_organizations ~137 tokens
  List the organisations the token can act for. Start here — most other tools take an organization_id. Polar: GET /v1/organizations/.
• polar_list_products ~243 tokens
  List products, optionally filtered by archived state, recurrence or a text query. Polar: GET /v1/products/.
• polar_list_refunds ~233 tokens
  List refunds, filtered by order, subscription, customer or success. Polar: GET /v1/refunds/.
• polar_list_subscriptions ~302 tokens
  List subscriptions, filtered by customer, product, status, active state or cancellation window. Polar: GET /v1/subscriptions/.
• polar_list_webhook_deliveries ~252 tokens
  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 ~168 tokens
  List the configured webhook endpoints and their subscribed events. Polar: GET /v1/webhooks/endpoints.
• polar_redeliver_webhook_event ~108 tokens
  Queue one webhook event for redelivery after your endpoint recovered. Polar: POST /v1/webhooks/events/{id}/redeliver.

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