A professional-grade coding skill to help AI agents write robust C# code while avoiding common pitfalls like async deadlocks and LINQ performance issues.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install csharp
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install csharp using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is C#?
The C# skill for Openclaw Skills is a specialized module designed to prevent the most common and costly mistakes in .NET development. It provides the technical logic required for an AI agent to identify and fix issues like null reference exceptions, UI thread deadlocks, and inefficient LINQ enumerations. By leveraging this skill, developers can ensure their AI-generated code follows industry best practices for performance and stability.
This skill goes beyond basic syntax, covering deep technical concepts such as closure captures, boxing/unboxing overhead, and proper resource disposal patterns. Whether you are building scalable cloud services or desktop apps, integrating this skill into your Openclaw Skills workflow ensures high-quality code that is both maintainable and efficient.
C# Use Cases
- Prevent Null Reference Exceptions (NRE) by enforcing proper usage of nullable types and the null-coalescing operator.
- Avoid UI thread deadlocks by ensuring async/await is implemented correctly without blocking on .Result or .Wait().
- Optimize LINQ queries to prevent multiple enumeration and unnecessary database re-queries.
- Ensure data integrity when using decimal for financial calculations instead of floating-point types.
- Manage memory and resource cleanup efficiently using the IDisposable pattern and using blocks.
How C# Works
- The skill identifies the C# project context and ensures the .NET environment is available.
- It scans the codebase for common anti-patterns such as blocking calls in async methods or unsafe closure captures in loops.
- The AI agent applies specific rules for collection iteration and string comparison to ensure performance and correctness.
- It provides immediate feedback or refactoring suggestions based on the technical reference files included in the skill package.
C# Setup
To use this skill within the Openclaw Skills ecosystem, ensure you have the .NET SDK installed on your system. This skill is compatible with Linux, macOS (Darwin), and Windows.
# Verify dotnet installation
dotnet --version
# The skill is automatically loaded when working in C# environments
C# Data Schema & Taxonomy
The skill organizes its technical knowledge into specific markdown reference files for targeted lookup:
| Topic | Reference File | Key Focus |
|---|---|---|
| Null Safety | nulls.md |
Nullable types and null-coalescing operators |
| Asynchronous | async.md |
Deadlock prevention and ConfigureAwait usage |
| LINQ | linq.md |
Deferred execution and closure captures |
| Type System | types.md |
Boxing, value types, and reference types |
| Collections | collections.md |
Equality, hashing, and iteration rules |
| Resource Management | dispose.md |
Finalizers and the IDisposable pattern |
C# Advanced Features
- Multi-platform support for Windows, Linux, and macOS environments.
- Deep integration with dotnet CLI tools for environment verification.
- Enforces readonly struct usage to prevent defensive copies in high-performance scenarios.
- Optimizes devirtualization by identifying opportunities for sealed classes.
- Guidance on stable GetHashCode() implementations for reliable dictionary lookups.
SKILL.md
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