A powerful C# dynamic compilation skill that enables developers to generate classes, methods, and high-performance delegates at runtime using the Natasha library.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install csharp-dotnetcore-natasha
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-dotnetcore-natasha 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 csharp-dotnetcore-natasha?
The csharp-dotnetcore-natasha skill provides a robust framework for handling runtime C# dynamic compilation within the .NET ecosystem. By leveraging the Natasha library, developers can move beyond static code constraints to create dynamic features such as on-the-fly class generation, private member access via dynamic compilation, and isolated compilation contexts. This is particularly valuable for building extensible plugin systems, high-performance expression tree utilities, and code generation tools that require precision and speed.
Integrating this into your Openclaw Skills workflow allows for sophisticated metadata management and fine-grained control over the compilation lifecycle. Whether you need to optimize performance-critical paths or bypass standard reflection overhead using dynamic delegates, this skill provides the necessary abstractions to handle complex Roslyn-based compilation tasks with ease.
csharp-dotnetcore-natasha Use Cases
- Creating dynamic classes with custom properties and methods at runtime.
- Generating high-performance delegates to eliminate reflection overhead in computational paths.
- Accessing private fields or methods of existing types via dynamic code rewriting.
- Building extensible plugin architectures where logic is defined during execution.
- Optimizing code performance through runtime method generation and specialized compilation.
How csharp-dotnetcore-natasha Works
- Initialize Natasha once during application startup to configure global metadata and using-code strategies.
- Instantiate an AssemblyCSharpBuilder to serve as the primary API for the compilation task.
- Configure the load context to ensure proper isolation or persistence using random or named contexts.
- Select a compilation mode (Smart, Simple, or Custom) to define how metadata and dependencies are handled.
- Add C# source code strings to the builder and trigger the compilation process.
- Retrieve the generated Assembly or extract specific types and delegates for immediate use in the application.
csharp-dotnetcore-natasha Setup
To use this skill, ensure your environment supports .NET Core 3.1 or higher (including .NET 5/6/7/8). Install the required Openclaw Skills compatible NuGet packages:
# Install the core C# compiler package
dotnet add package DotNetCore.Natasha.CSharp.Compiler
# Install the domain implementation package
dotnet add package DotNetCore.Natasha.CSharp.Compiler.Domain
csharp-dotnetcore-natasha Data Schema & Taxonomy
The skill organizes its operations around the AssemblyCSharpBuilder and Load Contexts. Below is the metadata and organization taxonomy:
| Component | Description | Metadata Strategy |
|---|---|---|
| Smart Mode | Merges default + current domain refs | High coverage, automatic |
| Simple Mode | Explicitly defined references | Minimal footprint, manual |
| Random Context | Isolated ALC (Assembly Load Context) | Temporary, clean cleanup |
| Named Context | Persistent ALC | Reusable across compilations |
| File Cache | Natasha.Namespace.cache | Disk-based startup optimization |
csharp-dotnetcore-natasha Advanced Features
- Private Member Access: Uses ToAccessPrivateTree to rewrite syntax trees for accessing non-public members.
- Reuse Optimization: APIs like WithPreCompilationOptions skip expensive object creation for repeated tasks.
- Multi-Level Debugging: Supports standard, enhanced (DebugPlus), and production-tracing (ReleasePlus) compilation levels.
- Metadata Isolation: Complete control over which assemblies participate in the compilation via Custom Mode.
- Semantic Checking: Built-in validation in Smart Mode to ensure code correctness before assembly generation.
SKILL.md
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