Qashier MCP by usefulapi
Read checkout sessions; create payment links, expire sessions and refund payments in Qashier.
Should I use this
Quality & Safety
Findings (2)
- LOWTool 'qashier_create_checkout_session' name length outside 3-30 rangein qashier_create_checkout_session
- LOWTool 'qashier_expire_checkout_session' name length outside 3-30 rangein qashier_expire_checkout_session
Based on automated analysis of tool definitions and protocol compliance.
Context Cost
This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.
Install
One-Click Install
Add this to your `claude_desktop_config.json` file:
{
"mcpServers": {
"qashier": {
"url": "https://qashier.usefulapi.io/mcp"
}
}
}Remote endpoints
https://qashier.usefulapi.io/mcpstreamable-httpWhat it can do
Tool inventory
Tools (5)
🟢qashier_list_checkout_sessions(status, limit, starting_after, ending_before)
List online payment Checkout Sessions, newest first, with status (open/complete/expired), payment status, amount in cents, refunds and receipt number. Cursor pagination: pass starting_after with the last id. GET /checkout/sessions.
Input Schema
{
"type": "object",
"properties": {
"status": {
"description": "Only sessions with this status.",
"type": "string",
"enum": [
"open",
"complete",
"expired"
]
},
"limit": {
"description": "Page size 1-100 (default 10).",
"type": "integer",
"minimum": 1,
"maximum": 100
},
"starting_after": {
"description": "Cursor: a session id; returns the next page after it.",
"type": "string"
},
"ending_before": {
"description": "Cursor: a session id; returns the previous page before it.",
"type": "string"
}
},
"$schema": "https://json-schema.org/draft/2020-12/schema"
}🟢qashier_get_checkout_session(session_id)
Get one Checkout Session by id: status, payment status, payment method, amount in cents, checkout url and refunds. GET /checkout/sessions/{id}.
Input Schema
{
"type": "object",
"properties": {
"session_id": {
"type": "string",
"minLength": 1,
"description": "Checkout Session id."
}
},
"required": [
"session_id"
],
"$schema": "https://json-schema.org/draft/2020-12/schema"
}🔴qashier_create_checkout_session(unit_amount, currency, return_url, success_url, customer_email, ...)
WRITE: create a payment Checkout Session for ONE item and return its payment url. It charges nothing until the customer pays at that url. Amount is in cents (SGD 12.50 = 1250). POST /checkout/sessions.
Input Schema
{
"type": "object",
"properties": {
"unit_amount": {
"type": "integer",
"minimum": 0,
"maximum": 9007199254740991,
"description": "Amount to charge in cents (non-negative integer)."
},
"currency": {
"type": "string",
"pattern": "^[A-Z]{3}$",
"description": "Currency code, uppercase, for example SGD, MYR, PHP."
},
"return_url": {
"type": "string",
"format": "uri",
"description": "https URL where the customer returns after paying or cancelling."
},
"success_url": {
"type": "string",
"format": "uri",
"description": "https URL where the customer goes when payment is complete."
},
"customer_email": {
"description": "Email that receives the payment receipt.",
"type": "string",
"format": "email",
"pattern": "^(?:[A-Za-z0-9_'+\\-]+\\.)*[A-Za-z0-9_'+\\-]*[A-Za-z0-9_+-]@(?:[A-Za-z0-9][A-Za-z0-9\\-]*\\.)+[A-Za-z]{2,}$"
},
"expires_at": {
"description": "Expiry as epoch seconds, 30 minutes to 24 hours from now (default 24 hours).",
"type": "integer",
"exclusiveMinimum": 0,
"maximum": 9007199254740991
},
"idempotency_key": {
"description": "Optional idempotency key (max 255 chars). Reuse the same key to retry safely without a duplicate.",
"type": "string",
"minLength": 1,
"maxLength": 255
}
},
"required": [
"unit_amount",
"currency",
"return_url",
"success_url"
],
"$schema": "https://json-schema.org/draft/2020-12/schema"
}🔴qashier_expire_checkout_session(session_id, idempotency_key)
WRITE: expire an OPEN Checkout Session so the customer can no longer pay it. It fails if the session is not open. POST /checkout/sessions/{id}/expire.
Input Schema
{
"type": "object",
"properties": {
"session_id": {
"type": "string",
"minLength": 1,
"description": "Checkout Session id."
},
"idempotency_key": {
"description": "Optional idempotency key (max 255 chars). Reuse the same key to retry safely without a duplicate.",
"type": "string",
"minLength": 1,
"maxLength": 255
}
},
"required": [
"session_id"
],
"$schema": "https://json-schema.org/draft/2020-12/schema"
}🔴qashier_refund_payment(session_id, amount)
WRITE, MONEY: refund a paid Checkout Session to the customer's original payment method. Omit amount for a full refund; amount is in cents. The refund runs asynchronously (status pending). This call has no idempotency key, so do NOT retry it: check qashier_get_checkout_session first. POST /refund.
Input Schema
{
"type": "object",
"properties": {
"session_id": {
"type": "string",
"minLength": 1,
"description": "Id of the completed Checkout Session to refund."
},
"amount": {
"description": "Partial refund in cents. Omit to refund the full amount.",
"type": "integer",
"exclusiveMinimum": 0,
"maximum": 9007199254740991
}
},
"required": [
"session_id"
],
"$schema": "https://json-schema.org/draft/2020-12/schema"
}Community
Evidence