INDIVIDUAL MCP TOOL

polar_create_checkout_link

Create a reusable checkout URL for one or more products — the link you put in a page or an email.

usefulapi.ionone authenticationAvailability not checked

LIVE ENDPOINT

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

No auth detected

Connect to this endpoint to inspect the live schema for polar_create_checkout_link and invoke it with your own arguments.

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Potential side effects detected · medium confidence · heuristic, not a guarantee.

CONNECT WITH APPROVAL

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

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

Claude Code

.mcp.json

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

Claude Desktop

Settings → Connectors → Add custom connector

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

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

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

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

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

Generic MCP

Client-specific MCP configuration

{
  "name": "polar-sh-mcp",
  "transport": "streamable-http",
  "url": "https://polar-sh.usefulapi.io/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

polar_list_organizations — List the organisations the token can act for.
polar_list_products — List products, optionally filtered by archived state, recurrence or a text query.
polar_get_product — Fetch a single product with its prices and attached benefits.
polar_list_customers — List customers, optionally by email or a text query.
polar_get_customer — Fetch a single customer by Polar id.
polar_get_customer_state — Fetch everything about one customer in a single call — active subscriptions, granted benefits and entitlements.
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_list_orders — List orders, filtered by customer, product, subscription, status or a date window.