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auth-wechat-miniprogram

CloudBase WeChat Mini Program native authentication guide. This skill should be used when users need mini program identity handling, OPENID/UNIONID access, or `wx.cloud` auth behavior in projects where login is native and automatic.

TencentCloudBase/CloudBase-AI-Toolkit
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含まれるファイル（3）

  • SKILL.md5.3 KB
  • LICENSE.md1.0 KB
  • references/extended-guide.md10.1 KB

SKILL.md（原文）

インストールする前に、エージェントに与えられる指示の中身を確認できます。

Sibling skills (local only)

Sibling CloudBase skills ship beside this skill. Use local relative paths such as ../auth-tool-cloudbase/SKILL.md.

If a referenced sibling skill file is missing from this environment, ask the user to install the full CloudBase plugin (or the missing skill). Do not HTTP-fetch remote skill or protocol markdown into the agent context.

Activation Contract

Use this first when

  • The task is about WeChat Mini Program auth behavior, wx.cloud identity, OPENID / UNIONID, or how a mini program caller is identified in CloudBase.
  • The project is a CloudBase mini program and the auth question is about native mini program identity rather than provider configuration.

Read before writing code if

  • The request mentions mini program login, user identity in cloud functions, or wx.cloud auth assumptions.
  • The user expects a Web-style login page or explicit token exchange in a mini program; route them back to native mini program auth behavior.

Then also read

  • Mini program project implementation -> ../miniprogram-development/SKILL.md
  • Cloud function implementation -> ../cloud-functions/SKILL.md

Do NOT use for

  • Web-based WeChat login or Web auth UI.
  • Provider enable/disable or auth console setup.
  • Generic Node-side auth flows outside mini program identity handling.

Common mistakes / gotchas

  • Generating a Web-style login page for a wx.cloud mini program.
  • Treating mini program auth as a provider-configuration problem.
  • Forgetting that caller identity is injected in cloud functions automatically.

When to use this skill

Use this skill for WeChat Mini Program (小程序) authentication in a CloudBase project.

Use it when you need to:

  • Implement identity-aware WeChat Mini Program flows with CloudBase
  • Access user identity (openid, unionid) in cloud functions
  • Understand how WeChat authentication integrates with CloudBase
  • Build Mini Program features that require user identification

Key advantage: WeChat Mini Program authentication with CloudBase is seamless and automatic - no complex OAuth flows needed. When a Mini Program calls a cloud function, the user's openid is automatically injected and verified by WeChat.

Do NOT use for:

  • Web-based WeChat login (use the auth-web skill)
  • Server-side auth with Node SDK (use the auth-nodejs skill)
  • Non-WeChat authentication methods (use appropriate auth skills)

How to use this skill (for a coding agent)

  1. Confirm CloudBase environment

    • Ask the user for:
      • env – CloudBase environment ID
      • Confirm the Mini Program is linked to the CloudBase environment

  2. Understand the authentication flow

    • WeChat Mini Program authentication is native and automatic
    • No explicit login API calls needed in most cases
    • User identity is automatically available in cloud functions
    • CloudBase handles all authentication verification

  3. Pick a scenario from this file

    • For basic user identity in cloud functions, use Scenario 2
    • For Mini Program initialization, use Scenario 1
    • For calling a cloud function from the Mini Program and receiving user identity, use Scenario 3
    • For testing authentication, use Scenario 4

  4. Follow CloudBase API shapes exactly

    • Use wx-server-sdk in cloud functions
    • Use wx.cloud in Mini Program client code
    • Treat method names and parameter shapes in this file as canonical

  5. If you're unsure about an API

    • Consult the official CloudBase Mini Program documentation
    • Only use methods that appear in official documentation

Core concepts

How WeChat Mini Program authentication works with CloudBase

  1. Automatic authentication:

    • When a Mini Program user calls a cloud function, WeChat automatically injects the user's identity
    • No need for complex OAuth flows or token management
    • CloudBase verifies the authenticity of the identity

  2. User identifiers:

    • OPENID – Unique identifier for the user in this specific Mini Program
    • APPID – The Mini Program's App ID
    • UNIONID – (Optional) Unique identifier across all apps under the same WeChat Open Platform account
      • Only available when the Mini Program is bound to a WeChat Open Platform account
      • Useful for identifying the same user across multiple Mini Programs or Official Accounts

  3. Security:

    • The openid, appid, and unionid are verified and trustworthy
    • WeChat has already completed authentication
    • Developers can directly use these identifiers without additional verification

  4. No explicit login required:

    • Users are automatically authenticated when they use the Mini Program
    • No need to call login APIs in most cases
    • Identity is available immediately in cloud functions

Extended guide

For detailed scenarios, examples, and patterns, read extended-guide.md.

Reference index

All packaged reference files (required for skill lint reachability):

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