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iDos Games

by com.idosgames
OverviewDiscussionsAdmin

Save Purchase settings

save_purchase
Destructive

PARTIAL SAVE: writes ONLY the 'Purchase' field of TitlePublicConfigurationModel; all other v1/v2 fields stay untouched. Real-money in-app purchases (IAP) for Google Play and the Apple App Store. Product catalogue with per-store SKUs (StoreProductIDs), what each purchase grants (Rewards), subscription products that activate a Premium entitlement, audience gates and purchase limits, plus per-store receipt-verification settings. Distinct from Store (in-game shop paid with virtual currency) and from Premium (which describes the entitlement itself, while this describes how it is sold in the stores). Contains NO secrets: the Google service-account JSON and the App Store Server API key are referenced by TitleSecrets entry name only; the Play licensing public key and Apple root certificates are public by nature and live here.

Input Schema

NameRequiredDescriptionDefault
valueYesReal-money in-app purchase (IAP) configuration for Google Play and Apple App Store. Product catalog (what the player buys and receives) is separated from per-store settings (how a receipt is verified). One product can be sold in both stores under different SKUs via StoreProductIDs.
title_idYesTitleID, для которого сохраняются данные.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed3 schema fields changed
    • changedInput schema / definitions / ResourceEntryType / enum
      Previous value: -[
-  "Item",
-  "VirtualCurrency",
-  "CryptoCurrency",
-  "Purchase",
-  "RewardedVideoCredit",
-  "PlatformCoin"
-]New value: +[
+  "Item",
+  "VirtualCurrency",
+  "CryptoCurrency",
+  "Purchase",
+  "RewardedVideoCredit",
+  "PlatformCredits"
+]
    • changedInput schema / definitions / ResourceEntryType / x-enum-descriptions
      Previous value: -[
-  "Catalog item. Requires CatalogID, ItemID and Amount.",
-  "In-game (off-chain) virtual currency. Requires CurrencyID and Amount. Looked up in cfg.Currency.VirtualCurrencies.",
-  "On-chain cryptocurrency. Requires CurrencyID and Amount. Looked up in cfg.Currency.CryptoCurrencies.",
-  "Real-money payment in a store. Requires only ProductID (a product from cfg.Purchase.Products); the amount and currency are decided by the store from the SKU price tier. NOT a storable resource and never passes through ResourceService — the money is paid outside before the server learns about it, so the entry is consumed by the receipt check (ExternalPaymentGate) and stripped before the resource operation. Allowed only in Consume and only for Consumable products.",
-  "Rewarded-video credit. One credit equals one verified ad view that can be spent in systems requiring rewarded video (lootbox open, reward double, re-roll, booster). Granted +1 per server-verified view, or as N from milestones/quests/premium perks; spent -1 per gated action.",
-  "Payment in Coin, the PLATFORM currency on the player's iDos Games account. Requires only Amount — the price in whole Coin. Like Purchase it is NOT a player resource and never enters ResourceService: it is settled by PlatformCoinPayment in the same transaction as the grant (buyer charged, author credited). Accepted only by the store (Store.Purchase) for now; allowed only in Consume."
-]New value: +[
+  "Catalog item. Requires CatalogID, ItemID and Amount.",
+  "In-game (off-chain) virtual currency. Requires CurrencyID and Amount. Looked up in cfg.Currency.VirtualCurrencies.",
+  "On-chain cryptocurrency. Requires CurrencyID and Amount. Looked up in cfg.Currency.CryptoCurrencies.",
+  "Real-money payment in a store. Requires only ProductID (a product from cfg.Purchase.Products); the amount and currency are decided by the store from the SKU price tier. NOT a storable resource and never passes through ResourceService — the money is paid outside before the server learns about it, so the entry is consumed by the receipt check (ExternalPaymentGate) and stripped before the resource operation. Allowed only in Consume and only for Consumable products.",
+  "Rewarded-video credit. One credit equals one verified ad view that can be spent in systems requiring rewarded video (lootbox open, reward double, re-roll, booster). Granted +1 per server-verified view, or as N from milestones/quests/premium perks; spent -1 per gated action.",
+  "Payment in Credits, the PLATFORM currency on the player's iDos Games account (players see it as \"Aspis\" — write Aspis in player-facing text). Requires only Amount — the price in whole Credits. Like Purchase it is NOT a player resource and never enters ResourceService: it is settled by PlatformCreditsPayment in the same transaction as the grant (buyer charged, author credited). Accepted only by the store (Store.Purchase) for now; allowed only in Consume."
+]
    • changedInput schema / definitions / ResourceEntryType / x-enumNames
      Previous value: -[
-  "Item",
-  "VirtualCurrency",
-  "CryptoCurrency",
-  "Purchase",
-  "RewardedVideoCredit",
-  "PlatformCoin"
-]New value: +[
+  "Item",
+  "VirtualCurrency",
+  "CryptoCurrency",
+  "Purchase",
+  "RewardedVideoCredit",
+  "PlatformCredits"
+]
  2. Changed3 schema fields changed
    • changedInput schema / definitions / ResourceEntryType / enum
      Previous value: -[
-  "Item",
-  "VirtualCurrency",
-  "CryptoCurrency",
-  "Purchase",
-  "RewardedVideoCredit"
-]New value: +[
+  "Item",
+  "VirtualCurrency",
+  "CryptoCurrency",
+  "Purchase",
+  "RewardedVideoCredit",
+  "PlatformCoin"
+]
    • changedInput schema / definitions / ResourceEntryType / x-enum-descriptions
      Previous value: -[
-  "Catalog item. Requires CatalogID, ItemID and Amount.",
-  "In-game (off-chain) virtual currency. Requires CurrencyID and Amount. Looked up in cfg.Currency.VirtualCurrencies.",
-  "On-chain cryptocurrency. Requires CurrencyID and Amount. Looked up in cfg.Currency.CryptoCurrencies.",
-  "Real-money payment in a store. Requires only ProductID (a product from cfg.Purchase.Products); the amount and currency are decided by the store from the SKU price tier. NOT a storable resource and never passes through ResourceService — the money is paid outside before the server learns about it, so the entry is consumed by the receipt check (ExternalPaymentGate) and stripped before the resource operation. Allowed only in Consume and only for Consumable products.",
-  "Rewarded-video credit. One credit equals one verified ad view that can be spent in systems requiring rewarded video (lootbox open, reward double, re-roll, booster). Granted +1 per server-verified view, or as N from milestones/quests/premium perks; spent -1 per gated action."
-]New value: +[
+  "Catalog item. Requires CatalogID, ItemID and Amount.",
+  "In-game (off-chain) virtual currency. Requires CurrencyID and Amount. Looked up in cfg.Currency.VirtualCurrencies.",
+  "On-chain cryptocurrency. Requires CurrencyID and Amount. Looked up in cfg.Currency.CryptoCurrencies.",
+  "Real-money payment in a store. Requires only ProductID (a product from cfg.Purchase.Products); the amount and currency are decided by the store from the SKU price tier. NOT a storable resource and never passes through ResourceService — the money is paid outside before the server learns about it, so the entry is consumed by the receipt check (ExternalPaymentGate) and stripped before the resource operation. Allowed only in Consume and only for Consumable products.",
+  "Rewarded-video credit. One credit equals one verified ad view that can be spent in systems requiring rewarded video (lootbox open, reward double, re-roll, booster). Granted +1 per server-verified view, or as N from milestones/quests/premium perks; spent -1 per gated action.",
+  "Payment in Coin, the PLATFORM currency on the player's iDos Games account. Requires only Amount — the price in whole Coin. Like Purchase it is NOT a player resource and never enters ResourceService: it is settled by PlatformCoinPayment in the same transaction as the grant (buyer charged, author credited). Accepted only by the store (Store.Purchase) for now; allowed only in Consume."
+]
    • changedInput schema / definitions / ResourceEntryType / x-enumNames
      Previous value: -[
-  "Item",
-  "VirtualCurrency",
-  "CryptoCurrency",
-  "Purchase",
-  "RewardedVideoCredit"
-]New value: +[
+  "Item",
+  "VirtualCurrency",
+  "CryptoCurrency",
+  "Purchase",
+  "RewardedVideoCredit",
+  "PlatformCoin"
+]
  3. First observed

TDQS

A4.5/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already flag destructiveHint=true and readOnlyHint=false, but the description adds the crucial nuance that this is a PARTIAL, scoped write — other v1/v2 fields stay untouched — which meaningfully changes how an agent should treat a destructive save. It also adds security context ('Contains NO secrets... referenced by TitleSecrets entry name only'), which annotations cannot convey.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

It is front-loaded with the most important fact (PARTIAL SAVE / scoped write) and every sentence contributes — content summary, sibling differentiation, secrets handling. It is a dense single paragraph that could be slightly better structured, but nothing is wasted.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given a very complex nested schema and no output schema, the description supplies the essential behavioral and scope context an agent needs. It doesn't cover error/response behavior or idempotency, but with the destructive/partial-save framing and secrets note, it is largely complete for correct invocation.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

With 2 params and 100% schema coverage, the baseline is 3; however the description adds real meaning by summarizing the deeply nested 'value' payload's contents (per-store SKUs, Rewards, subscriptions, audience gates, limits, receipt-verification settings), helping the agent understand the structure before drilling into the large schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description opens with a specific verb+resource: 'PARTIAL SAVE: writes ONLY the Purchase field of TitlePublicConfigurationModel'. It then defines what that field covers (IAP) and explicitly names the siblings it is NOT — Store and Premium — so an agent can route correctly without opening the schema.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The 'Distinct from Store... and from Premium' clause provides clear when-not guidance routing the agent away from related siblings. Usage context (configuring real-money IAP for Play/App Store) is clear, though it doesn't explicitly mention the read-side alternative get_purchase or state prerequisites for calling save.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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