GotCashback

Compare cashback rates across cashback portals and find discounted gift cards for stores in 30+ countries (hosted, streamable HTTP).

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Documentation

GotCashback MCP server

Endpoint: https://mcp.gotcashback.com (streamable HTTP) · Docs: https://www.gotcashback.com/mcp-server/ · Registry name: com.gotcashback/gotcashback

GotCashback compares the cashback rates that multiple cashback portals currently pay for the same online or in-store retailer, and finds discounted gift cards from multiple sellers, across 30+ countries. Rates are refreshed several times a day. Every result carries the tracked GotCashback link for the portal; cashback is only credited when the purchase starts from that link.

All comparison tools work without an account. Signing in with a GotCashback account (OAuth 2.1, dynamic client registration, PKCE) unlocks the personal tools: profile, favorite stores, and cashback / gift card alerts.

This repository holds the public metadata for the hosted server (server.json for the Official MCP Registry). The server itself is closed-source and operated by GotCashback.

Connect

Claude.ai / Claude Desktop — Settings → Connectors → Add custom connector → URL https://mcp.gotcashback.com. Sign in when you first use a personal tool.

Claude Code

claude mcp add --transport http gotcashback https://mcp.gotcashback.com

Cursor (.cursor/mcp.json) / VS Code (.vscode/mcp.json)

{
  "mcpServers": {
    "gotcashback": { "url": "https://mcp.gotcashback.com" }
  }
}

(VS Code uses the key servers instead of mcpServers.)

ChatGPT — Settings → Connectors → Create → MCP server URL https://mcp.gotcashback.com, authentication OAuth.

Tools

Tool	Auth	Kind	What it does
`get_cashback_rates_by_store_name`	none	read	Current cashback rates from every portal for a store, by name and country
`get_cashback_rates_by_store_id`	none	read	Same, by GotCashback store ID
`get_stores_by_name`	none	read	Search stores by name
`get_stores_by_country`	none	read	List stores available in a country
`get_countries`	none	read	Supported countries
`get_portals`	none	read	List cashback portals and payout terms
`get_portals_by_name`	none	read	Search portals by name
`get_portal_by_id`	none	read	Portal details by ID
`get_best_deals_by_brand`	none	read	Best current deals for a brand
`get_best_deals_by_category`	none	read	Best current deals in a category
`get_gift_cards_by_store_name`	none	read	Discounted gift cards for a store, by name
`get_gift_cards_by_store_id`	none	read	Same, by store ID
`get_my_profile`	OAuth `profile`	read	The signed-in user's profile
`get_my_favorite_stores`	OAuth `favorites`	read	The user's favorite stores
`toggle_favorite_store`	OAuth `favorites`	write	Add or remove a favorite store
`get_my_alerts`	OAuth `alerts`	read	The user's cashback and gift card alerts
`set_store_alert`	OAuth `alerts`	write	Create or update an alert for a store
`remove_store_alert`	OAuth `alerts`	write (destructive)	Delete an alert

Every tool declares title, readOnlyHint and destructiveHint.

Authentication

Protected resource metadata: https://mcp.gotcashback.com/.well-known/oauth-protected-resource
Authorization server: https://www.gotcashback.com/ (metadata at /.well-known/oauth-authorization-server)
Dynamic client registration: POST https://www.gotcashback.com/connect/register — public clients (token_endpoint_auth_method: none) and confidential clients (client_secret_post / client_secret_basic); PKCE S256 required. Scopes: profile, favorites, alerts, offline_access.
Details for agents: https://www.gotcashback.com/auth.md