wassette
by microsoft
Wassette: A security-oriented runtime that runs WebAssembly Components via MCP
846stars
58forks
Rust
Added 12/27/2025
MCP Serverscapabilitiesmcpmcp-serverocioci-artifacts
Installation
# Add to your Claude Code skills
git clone https://github.com/microsoft/wassette<div align="center">
<h1 align="center">Wassette</h1>
<p><b>A security-oriented runtime that runs WebAssembly Components via MCP</b></p>
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[Quick Start] | [FAQ] | [Documentation] | [Releases] | [Contributing] | [Discord]
</div>[!WARNING] Early Development: This repository is not production ready yet. It is in early development and may change significantly.
Why Wassette?
- Convenience: Wassette makes it easy to extend AI agents with new tools, all without ever having to leave the chat window.
- Reusability: Wasm Components are generic and reusable; there is nothing MCP-specific about them.
- Security: Wassette is built on the Wasmtime security sandbox, providing browser-grade isolation of tools.
Architecture
Installation
Quick start: For Linux/macOS, use our one-liner install script:
curl -fsSL https://raw.githubusercontent.com/microsoft/wassette/main/install.sh | bash
For complete installation instructions for all platforms (including Windows, Homebrew, Nix, Docker, and more), see our Installation Guide.
Using Wassette
With Wassette installed, the next step is to register it with your agent of choice. See our [Quick Start] guide (3 simple steps), or check the for detailed setup instructions for GitHub Copilot, Cursor, Claude Code, and Gemini CLI.
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