ChargeGuard Dispute Assistant
Chargeback intelligence: 9 card-network reason codes, winning evidence, gateway deadlines. Free.
Should I use this
Quality & Safety
Findings (2)
- LOWTool 'lookup_reason_code' description lacks action verbin lookup_reason_code
- LOWTool 'get_response_deadlines' description lacks action verbin get_response_deadlines
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": {
"chargeguard": {
"url": "https://www.trychargeguard.com/mcp"
}
}
}Remote endpoints
https://www.trychargeguard.com/mcpstreamable-httpWhat it can do
Tool inventory
Tools (4)
🟢list_reason_codes
List the 9 card-network chargeback reason codes covered by ChargeGuard (Visa, Mastercard, Amex) with one-line summaries. Use first when the user mentions a chargeback without a code.
Input Schema
{
"type": "object",
"properties": {}
}⚪lookup_reason_code(query)
Look up one card-network chargeback reason code: what it means, the evidence that wins the representment, the response window, and the full guide URL. Accepts the code (e.g. '13.2') or a slug fragment (e.g. 'visa-13-2').
Input Schema
{
"type": "object",
"properties": {
"query": {
"type": "string",
"description": "Reason code like '13.2' or '4515', or slug fragment like 'visa-13-2'"
}
},
"required": [
"query"
]
}🟢get_response_deadlines
Response windows merchants have to fight a chargeback, per gateway (Stripe, PayPal, Braintree, Adyen, Shopify Payments) and per card network (Visa, Mastercard, Amex).
Input Schema
{
"type": "object",
"properties": {}
}🟡request_chargeback_audit(store_url, email, company, platform, notes)
Submit a free ChargeGuard store audit: reviews the merchant's payment setup and dispute risk and emails a written report. Requires the store URL and a contact email.
Input Schema
{
"type": "object",
"properties": {
"store_url": {
"type": "string",
"description": "Store URL, e.g. https://mystore.com"
},
"email": {
"type": "string",
"description": "Contact email for the audit report"
},
"company": {
"type": "string",
"description": "Company or store name"
},
"platform": {
"type": "string",
"description": "Shopify, WooCommerce, Magento, BigCommerce or custom",
"enum": [
"shopify",
"woocommerce",
"magento",
"bigcommerce",
"custom"
]
},
"notes": {
"type": "string",
"description": "Optional context: dispute volume, card networks, current provider"
}
},
"required": [
"store_url",
"email",
"company"
]
}Community
Evidence