All servers · Payments & accounting

Winback: pay-on-success win-back

com.winbackhq/winback · v1.0.0

New (7 days)

Measured by MCP Station

Last check	Reachable
Checked at	—
Check success 7 / 30 days	—
First-try success 30 days	—
Median response	—
Lookups 30 days	—
Authentication	No auth
MCP version	2025-06-18
Rank score	—
Declared risk	Read-only (all tools declare readOnlyHint)
Capabilities declared	tools
Tool definitions	4 tools · with description 100% · input schema is an object 100% · read/destructive hints 100%

Pay-on-success win-back for RevenueCat and Stripe apps. Read-only pricing, fit and estimates.

streamable-http · https://winbackhq.com/mcp/

claude mcp add --transport http winback https://winbackhq.com/mcp/

{
  "mcpServers": {
    "winback": {
      "url": "https://winbackhq.com/mcp/"
    }
  }
}

get_winback_overview
What Winback does, who it is for, what it needs and what it does not do. Use this when someone asks how to win back churned subscribers of an iOS, Android or Stripe subscription app.
get_winback_pricing
Winback pricing terms.
estimate_win_back_revenue
Same formula as https://winbackhq.com/tools/win-back-revenue-calculator/ : people lost per segment times a return rate, times price, over up to 6 months, minus the 15% fee. Default return rates: cancelled 20% (RevenueCat SOSA 2026 monthly reactivation within a year, a reference not a forecast), bill
get_apple_retention_facts
Sourced facts on App Store billing retry, grace periods, win-back offers and Retention Messaging, for founders planning a win-back.

Website · JSON · Text for agents · Registry updated 2026-10-17