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Announcing StackOne Defender: leading open-source prompt injection guard for your agent • Read More →
Production-ready GoCardless MCP server with 66 extensible actions — plus built-in authentication, security, and optimized execution.
Coverage
Create, read, update, and delete across GoCardless — and extend your agent's capabilities with custom actions.
Authentication
Per-user OAuth in one call. Your GoCardless MCP server gets session-scoped tokens with zero credentials stored on your infra.
Agent Auth →Security
Every GoCardless tool response scanned for prompt injection in milliseconds — 88.7% accuracy, all running on CPU.
Prompt Injection Defense →Performance
Free up to 96% of your agent's context window to enhance reasoning and reduce cost, on every GoCardless call.
Tools Discovery →A GoCardless MCP server lets AI agents read and write GoCardless data through the Model Context Protocol — Anthropic's open standard for connecting LLMs to external tools. StackOne's GoCardless MCP server ships with 66 pre-built actions, fully extensible via the Connector Builder — plus managed authentication, prompt injection defense, and optimized agent context. Connect it from MCP clients like Claude Desktop, Cursor, and VS Code, or from agent frameworks like OpenAI Agents SDK, LangChain, and Vercel AI SDK.
Every action from GoCardless's API, ready for your agent. Create, read, update, and delete — scoped to exactly what you need.
Create a new billing request to collect customer bank details for a mandate or payment
Retrieve a paginated list of billing requests for collecting customer payment details
Retrieve details of a specific billing request by its ID
Create a new customer record in GoCardless with contact details and address
Update an existing customer's contact details, address, or metadata
Permanently remove a customer record and all associated data from GoCardless
Create a new bank account record for a customer to use for Direct Debit mandates
Update metadata on an existing customer bank account
Retrieve a paginated list of events representing state changes for GoCardless resources
Retrieve details of a specific event by its ID
Create a new Direct Debit mandate for a customer to authorize payment collection
Update metadata on an existing mandate
Create a new one-off or ad-hoc payment against an existing Direct Debit mandate
Update metadata or retry preference on an existing pending payment
Create a refund to return funds to a customer for a previously collected payment
Retrieve a paginated list of refunds in your GoCardless account
Retrieve details of a specific refund by its ID
Update metadata on an existing refund
Create a new recurring payment subscription against a Direct Debit mandate
Retrieve a paginated list of recurring payment subscriptions in your GoCardless account
Retrieve details of a specific subscription by its ID
Update amount, name, or metadata on an active subscription
Create a hosted payment flow for a billing request to collect customer payment details
Create a new bank account for receiving payouts from GoCardless
Create an instalment schedule with specific payment amounts and charge dates
Create an instalment schedule using GoCardless scheduling logic with defined amounts, interval, and start date
Retrieve a paginated list of creditors (merchant accounts) in your GoCardless account
Retrieve details of a specific creditor account by its ID
Retrieve a paginated list of creditor bank accounts (payout destination accounts)
Retrieve details of a specific creditor bank account (payout destination) by its ID
Retrieve a paginated list of customers in your GoCardless account
Retrieve details of a specific customer by their GoCardless customer ID
Retrieve a paginated list of customer bank accounts in your GoCardless account
Retrieve details of a specific customer bank account by its ID
Retrieve a paginated list of instalment schedules for collecting payments in multiple instalments
Retrieve details of a specific instalment schedule by its ID
Retrieve a paginated list of Direct Debit mandates in your GoCardless account
Retrieve details of a specific Direct Debit mandate by its ID
Retrieve a paginated list of payments in your GoCardless account
Retrieve details of a specific payment by its ID
Retrieve the individual payment and refund line items bundled within a specific payout
Retrieve a paginated list of payouts from GoCardless to your bank account
Retrieve details of a specific payout by its ID
Retrieve a paginated list of tax rates applicable to GoCardless transactions
Retrieve details of a specific tax rate by its identifier
Update a creditor's address, bank reference prefix, or payout account settings
Update metadata on an existing instalment schedule
Update metadata on an existing payout
Cancel an in-progress billing request before it is fulfilled
Fulfil a billing request to create the mandate and/or payment once customer details have been collected
Send a notification to the customer to complete their pending billing request
Collect customer details for a billing request on a custom payment page flow
Collect bank account details for a billing request on a custom payment page flow
Confirm payer details for a billing request on a custom payment page flow before fulfilment
Trigger a fallback from Instant Bank Pay to Direct Debit when instant payment fails
Disable a creditor bank account to prevent it from receiving future payouts
Disable a customer bank account, preventing it from being used for future mandates
Cancel an active instalment schedule and all its pending future payments
Cancel an active mandate, preventing any future payments from being collected
Reinstate a cancelled mandate to allow payment collection to resume
Cancel a pending payment before it is submitted to the banking system
Retry a failed payment when the underlying mandate is still active
Trigger a scenario simulator to transition a resource to a specific state in the GoCardless sandbox environment
Temporarily pause a subscription, preventing payment collection for a specified number of cycles
Resume a paused subscription to restart automatic payment collection
Permanently cancel a subscription, stopping all future payment collection
One endpoint. Any framework. Your agent is talking to GoCardless in under 10 lines of code.
MCP Clients
Agent Frameworks
{
"mcpServers": {
"stackone": {
"command": "npx",
"args": [
"-y",
"mcp-remote@latest",
"https://api.stackone.com/mcp?x-account-id=<account_id>",
"--header",
"Authorization: Basic <YOUR_BASE64_TOKEN>"
]
}
}
}162+ actions
133+ actions
125+ actions
125+ actions
120+ actions
73+ actions
69+ actions
Anthropic's code_execution processes data already in context. Custom MCP code mode keeps raw tool responses in a sandbox. 14K tokens vs 500.
11 min
Benchmarking BM25, TF-IDF, and hybrid search for MCP tool discovery across 916 tools. The 80/20 TF-IDF/BM25 hybrid hits 21% Top-1 accuracy in under 1ms.
10 min
MCP tools that read emails, CRM records, and tickets are indirect prompt injection vectors. Here's how we built a two-tier defense that scans tool results in ~11ms.
12 min
origin_owner_id.All the tools you need to build and scale AI agent integrations, with best-in-class connectivity, execution, and security.