generated: '2026-07-18'
method: searched
source: https://github.com/Appcharge/appcharge-skills (skills/*/SKILL.md, saved verbatim)
description: >-
  Appcharge's official Agent Skills library (MIT, github.com/Appcharge/appcharge-skills)
  teaches AI coding agents how to implement the four publisher-side Appcharge
  callbacks. Saved verbatim; each skill grounds in a real callback operation in
  openapi/appcharge-openapi.yml.
skills:
  - file: appcharge-grant-award-callback.md
    name: grant-award-callback
    api: openapi/appcharge-openapi.yml
    operations: [grant-award]
    summary: >-
      Implement the Grant Award callback (fulfillment) on a Go/Python publisher
      server: verify token + HMAC signature, grant inventory idempotently by
      orderId/purchaseId, return publisherPurchaseId.
  - file: appcharge-personalize-webstore-callback.md
    name: personalize-webstore-callback
    api: openapi/appcharge-openapi.yml
    operations: [personalize-webstore]
    summary: >-
      Implement the Personalize Web Store callback: return personalization JSON
      (version 2) with offers, balances, segments and sessionMetadata per player.
  - file: appcharge-authenticate-player-callback.md
    name: authenticate-player-callback
    api: openapi/appcharge-openapi.yml
    operations: [authenticate-player]
    summary: >-
      Implement the Authenticate Player callback: validate SSO/OTP/password
      logins and return publisherPlayerId, playerName, sessionMetadata.
  - file: appcharge-initiate-game-auth-callback.md
    name: initiate-game-auth-callback
    api: openapi/appcharge-openapi.yml
    operations: [game-authentication-endpoint]
    summary: >-
      Implement the Initiate Game Auth callback for Game Redirect Login: return
      deepLink + accessToken after signature verification, before OTP.