# wassette

> wassette — microsoft-wassette. Use this tool when you need to securely run WebAssembly components with a focus on security and reliability. Wassette solves problems related to secure runtime execution, providing a trusted environment for WebAssembly components via Message Authentication Code Protocol (MCP). It accepts WebAssembly components as input and provides a secure runtime output, ideal for use cases requiring robust security and integrity.

Canonical page: https://skillsregistry.net/skills/microsoft-wassette  
JSON: https://api.skillsregistry.net/v1/skills/microsoft-wassette

## Description

Wassette: A security-oriented runtime that runs WebAssembly Components via MCP

## Trust

- **Trust score (0–1):** 0.50
- **Verification tier:** unverified

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **Category:** security
- **Updated:** 2026-09-28

## Source

- **Source listing:** [GitHub](https://github.com/microsoft/wassette)

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "microsoft-wassette"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/microsoft-wassette` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/microsoft-wassette/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt