Winback: pay-on-success win-back
Pay-on-success win-back for RevenueCat and Stripe apps. Read-only pricing, fit and estimates.
我該用這個嗎
品質與安全性
發現項目（3）
- HIGHTool poisoning patterns detected
- MEDIUMTool description contains URL to non-standard domain在 estimate_win_back_revenue 中
- LOWTool 'get_winback_pricing' description lacks action verb在 get_winback_pricing 中
根據工具定義與協定合規性的自動化分析。
上下文成本
這是每次將伺服器的工具載入模型上下文時所消耗的約略 token 數量。數量越高，可用於其他工作的注意力就越少。
安裝
一鍵安裝
將以下內容加入你的 `claude_desktop_config.json` 檔案：
{
"mcpServers": {
"winback": {
"url": "https://winbackhq.com/mcp/"
}
}
}遠端端點
https://winbackhq.com/mcp/streamable-http它能做什麼
工具清單
工具（4）
🟢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.
輸入結構描述
{
"type": "object",
"properties": {}
}🟢get_winback_pricing
Winback pricing terms.
輸入結構描述
{
"type": "object",
"properties": {}
}🟢estimate_win_back_revenue(cancelled, billing_failed, trial_expired, price_per_month, months_paid, ...)
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), billing failed 10% (assumption), trial expired 5% (assumption).
輸入結構描述
{
"type": "object",
"properties": {
"cancelled": {
"type": "number",
"description": "Subscribers who cancelled this month"
},
"billing_failed": {
"type": "number",
"description": "Subscribers lost to failed payments this month"
},
"trial_expired": {
"type": "number",
"description": "Trials that ended unpaid this month"
},
"price_per_month": {
"type": "number",
"description": "Monthly price in USD (default 9.99)"
},
"months_paid": {
"type": "number",
"description": "Months a returner pays, 1 to 6 (default 6, an upper bound)"
},
"return_rate_cancelled": {
"type": "number",
"description": "0 to 1, default 0.20"
},
"return_rate_billing_failed": {
"type": "number",
"description": "0 to 1, default 0.10"
},
"return_rate_trial_expired": {
"type": "number",
"description": "0 to 1, default 0.05"
}
}
}🟢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.
輸入結構描述
{
"type": "object",
"properties": {}
}社群
證據