zen-mcp
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| ZEN_ENV | No | Environment: sandbox (default) or production. | sandbox |
| ZEN_MOCK | No | Set to '1' or 'true' to enable deterministic offline responses without a real account. | false |
| ZEN_API_KEY | No | Terminal API Key sent in Authorization without a Bearer prefix. Required outside mock mode. | |
| ZEN_BASE_URL | No | API base URL override; takes priority over ZEN_ENV. | |
| ZEN_HASH_ALG | No | Hash algorithm: sha224, sha256 (default), sha384, or sha512. | sha256 |
| ZEN_IPN_SECRET | No | IPN secret used only by verify_webhook_signature. | |
| ZEN_PAYWALL_SECRET | No | Checkout/paywall secret used to sign request bodies. Required for write operations. |
Instructions
Guidance the server publishes about itself, which clients place ahead of the tool catalog so the model reads it before choosing anything.
This server publishes no instructions, or was last inspected before Glama recorded them.
Capabilities
Features and capabilities supported by this server
Protocol revision2025-11-25
| Capability | Details |
|---|---|
| tools | {
"listChanged": true
} |
| resources | {
"listChanged": true
} |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| list_payment_methodsA | Read-only: list payment methods available to the configured ZEN terminal. |
| get_transactionA | Read-only: retrieve a transaction by exactly one ZEN ID or merchant transaction ID. |
| list_payment_linksB | Read-only: list hosted ZEN payment links. |
| get_payment_linkA | Read-only: retrieve a hosted ZEN payment link by ID. |
| get_payoutA | Read-only: retrieve a ZEN payout by its ZEN ID. |
| download_reportB | Read-only: request a transaction or settlement report download from ZEN. |
| list_supported_currenciesA | Read-only: list currencies confirmed in the public ZEN documentation. |
| create_payment_linkC | Write operation: create a hosted ZEN checkout link and QR code for a customer to pay. |
| refund_transactionA | Destructive write: return all or part of a payment to the customer. Confirm the transaction and amount before use. |
| capture_transactionA | Destructive write: capture an authorized transaction, causing funds to be collected. Confirm before use. |
| cancel_transactionB | Destructive write: cancel a ZEN transaction. This may prevent or reverse payment processing; confirm before use. |
| create_payoutA | Highest-risk destructive write: send money outward through ZEN. Verify recipient, channel, currency, and amount before use. |
| create_customerC | Write operation: create a customer record in ZEN for future payment flows; this stores personal data. |
| verify_webhook_signatureA | Read-only: verify a ZEN IPN webhook signature using the configured IPN secret. |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
| payment-methods | Snapshot of payment methods available to the configured ZEN terminal. |
| currencies | Currencies confirmed in the public ZEN documentation. |
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