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JeffreySu/WeiXinMPSDK

This system is a comprehensive .NET SDK for integrating with the WeChat ecosystem, covering Official Accounts, Mini Programs, Enterprise WeChat, and WeChat Pay. It provides a unified framework for handling message processing, OAuth authentication, and advanced API interactions such as template messages, user management, and media handling. The library supports multiple .NET versions and includes extensive sample applications demonstrating payment flows, AI chat features, and WebSocket capabilities.

40.3

Weak · 19 July 2026

6.8k

lines of production code

C#

with JavaScript

2

bus factor · 201 authors in all

2

measurements over time

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How it got here

2013–2016 · WeChat API expansion and architectural modernization

This period focused on significantly expanding the SDK's coverage of WeChat's evolving API surface, adding support for new features like Mini Programs, card management, and template messages. Concurrently, the codebase underwent a major architectural refactoring to support .NET Core, improve concurrency handling, and standardize JSON serialization and error models across the library.

96 changes

2017–2022 · WeChat ecosystem expansion and modernization

This period focused on expanding the SDK's coverage of the WeChat ecosystem, introducing dedicated modules and middleware for Mini Programs, Enterprise WeChat, and WebSocket/SignalR integration. The work also modernized the codebase by adding asynchronous support, improving cache strategies, and providing comprehensive standalone sample applications for all major WeChat APIs.

98 changes

2023–2026 · Modernization and AI integration

This period focused on modernizing the SDK and its ecosystem by adding support for .NET 8, 10, and 11, alongside introducing AI-driven features such as an MCP server and browser extension. The work also expanded the API surface with new WeChat services, implemented a unified package for easier setup, and established automated quality and performance gates to ensure stability.

24 changes

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About this page

  • The description of this project is derived from its own commit history, not from its README.
  • The score is its highest published measurement, taken on 19 July 2026 at a pinned commit. It is not a live figure and does not change until the project is measured again.
  • Measured at commit 2a8bda7909 — the exact code this score is about.
  • Scored under rubric rubric-2026.08.17. Score the same commit under that rubric and you get the same number.
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