How to Use the FastSpring MCP in Claude Code

Q: How do I add the FastSpring MCP Server to Claude Code?

Run claude mcp add --transport http fastspring-mcp -- in your terminal. This command automatically registers the MCP server in your /.claude.json configuration file. Run claude mcp list to verify that all 10 commerce tools are active and ready.

Q: Does Claude Code support secure token generation for FastSpring?

Yes, the CLI agent can run generateauthlink to produce secure customer login tokens on demand. You can copy the generated URL directly from your terminal output and send it to a customer to let them access their portal.

Run terminal commands to instantly update FastSpring plans, cancel subscriptions, and query orders via Claude Code.

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Create your Vinkius account to connect FastSpring to Claude Code and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup FastSpring with Claude Code

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Query your store data directly from the terminal

Stop logging into a browser dashboard to check on a customer's payment. Run a single command in Claude Code to fetch order logs using `get_order_details` and pipe the JSON output directly into your command-line utilities. If you need to trace an account, the CLI agent uses `get_account_details` to extract the user's properties. You can quickly search, filter, and inspect customer profiles without leaving your terminal session.

Manage subscription lifecycles via Claude Code MCP Server

This MCP Server lets you script complex billing workflows directly from your shell. You can chain commands to find a customer using `list_accounts`, inspect their plan details via `get_subscription_details`, and execute a migration with `update_subscription_plan`. If a user churns, you can terminate their plan on the spot by running `cancel_subscription`. The CLI agent handles the API handshake, processes the cancellation, and prints the confirmation directly to your standard output.

Bulk update catalogs and manage custom billing rules

Managing large catalogs is painful in a GUI. Claude Code can pull your entire store inventory using `list_catalog_products`, let you filter the list using standard terminal tools, and run batch updates using `update_account_info` for linked customer records. You can also handle manual billing overrides quickly. Use `charge_managed_subscription` to apply custom structured rules to an account, or run `generate_auth_link` to hand off a secure login token to a customer waiting on support.

Setup guide

Set up FastSpring MCP in Claude Code

Prerequisites

Claude Code CLI installed (npm install -g @anthropic-ai/claude-code)
Active Vinkius subscription with a valid endpoint token

1

Run the add command

Open your terminal and run the command shown on the right. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com. Use --scope user to make it available across all projects.
2

Verify the connection

Start a Claude Code session and type /mcp to list connected servers. You should see fastspring-mcp with a green status indicator.
3

Start using tools

Ask Claude Code something like "Check my latest FastSpring transactions." It will automatically discover and invoke the available FastSpring tools.

Terminal

claude mcp add --transport http fastspring-mcp https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

Get your connection token →

Prerequisites

Claude Code CLI installed
Active Vinkius subscription with a valid endpoint token

1

Open the config file

Create or edit .mcp.json in your project root for project-level scope, or ~/.claude.json for user-level scope.
2

Add the FastSpring MCP

Paste the JSON snippet shown on the right into the mcpServers object. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Restart Claude Code

Start a new Claude Code session. Type /mcp to confirm the server is connected. The tools will be automatically available in your conversation.

.mcp.json

{
  "mcpServers": {
    "fastspring-mcp": {
      "type": "url",
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Get your connection token →

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by FastSpring. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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Common questions about FastSpring MCP in Claude Code

Run `claude mcp add --transport http fastspring-mcp -- ` in your terminal. This command automatically registers the MCP server in your `~/.claude.json` configuration file. Run `claude mcp list` to verify that all 10 commerce tools are active and ready.

Yes, you can pipe a list of subscription IDs from a local CSV file straight into Claude Code. The CLI agent will read the file and call `cancel_subscription` for each record sequentially, printing a clean execution log to your terminal.

Yes, the CLI agent can run `generate_auth_link` to produce secure customer login tokens on demand. You can copy the generated URL directly from your terminal output and send it to a customer to let them access their portal.

The CLI agent displays the exact error payload returned by the server. If a call to `charge_managed_subscription` fails due to an expired card, Claude Code outputs the failure reason directly in your terminal so you can diagnose the issue immediately.

Your catalog product details and pricing schemas are accessed over a zero-trust, encrypted HTTP transport layer. Vinkius runs the server in an isolated, ephemeral container that handles the API credentials securely. No sensitive merchant keys are cached locally or sent to external model training pipelines.

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