Wassette MCP Server
by microsoftWassette: A security-oriented runtime that runs WebAssembly Components via MCP
Wassette is an open-source mcp server by microsoft, written mainly in Rust, with 972 GitHub stars and the MIT license. Its code was last updated Oct 27, 2026.
Scan summary: scanned Nov 5, 2026 at commit ee84fd2. No capabilities flagged by our checks. Scan policy
What Wassette can touch
- Our checks did not find this. The tool may still do it.Run shell commandsNot seen in this scan
- Our checks did not find this. The tool may still do it.Run dynamic codeNot seen in this scan
- Our checks did not find this. The tool may still do it.Read or write filesNot seen in this scan
- Our checks did not find this. The tool may still do it.Read environment and secretsNot seen in this scan
- Our checks did not find this. The tool may still do it.Control a web browserNot seen in this scan
- Our checks did not find this. The tool may still do it.Connect to databasesNot seen in this scan
- Our checks did not find this. The tool may still do it.Read or send messagesNot seen in this scan
- Our checks did not find this. The tool may still do it.Touch money or tradingNot seen in this scan
- Our checks did not find this. The tool may still do it.Connect to the internetNot run in this scan
"Not seen" means our checks did not find it, and the tool may still do it. Covers commit ee84fd2, Nov 5, 2026. See the scan policy.
Before you install Wassette
AgenticMart scanned Wassette on Nov 5, 2026 with automated checks for hidden code, known-malicious packages, leaked secrets and vulnerable dependencies. The result covers one commit under our scan policy, so review what access you give it and check any advisories shown here.
What it can access
- An MCP server is a program your AI app starts and talks to. A local one runs with your user's permissions: it can see the files, environment variables and network your account can.
Before you install
- Pin the version you reviewed instead of always installing the latest release.
- Read the tool list or scripts before the first run, and keep approval prompts on for actions that write, send or delete.
- Maintained by microsoft on GitHub, 972 stars and 77 forks. Popularity is not proof of safety.
- Last code change: Oct 27, 2026.
- Open-source license: MIT.
Wassette is an open-source mcp server by microsoft, written mainly in Rust. Wassette: A security-oriented runtime that runs WebAssembly Components via MCP
At a glance
- Stars
- 972
- Forks
- 77
- Language
- Rust
- License
- MIT
- Created
- Jul 2025
- Last update
- Oct 27, 2026
- Type
- MCP Server
- Price
- Free
Topics
Questions about Wassette
What is Wassette?
Wassette: A security-oriented runtime that runs WebAssembly Components via MCP
Who maintains Wassette?
Wassette is maintained by microsoft on GitHub (microsoft/wassette). AgenticMart lists it from public repository data.
Is Wassette safe to use?
AgenticMart scanned Wassette on Nov 5, 2026 with automated checks for hidden code, known-malicious packages, leaked secrets and vulnerable dependencies. The result covers one commit under our scan policy, so review what access you give it and check any advisories shown here.
What license does Wassette use?
It is published under the MIT license.
Wassette alternatives
View more →Similar mcp servers in Security & Testing, ranked by GitHub stars. Compare licence, recent activity and scan status before you choose.
| Name | Stars | Licence | Last updated | Scan |
|---|---|---|---|---|
| Wassette (this page) microsoft | 972 | MIT | Oct 27, 2026 | Scanned, no flagged issues |
| Hexstrike AI 0x4m4 | 13k | MIT | Aug 3, 2026 | Scanned, no flagged issues |
| Viper FunnyWolf | 5.3k | None found | May 31, 2026 | Not scanned yet |
| Open Ontologies fabio-rovai | 2.7k | MIT | Oct 30, 2026 | Scanned, no flagged issues |
| Qu1cksc0pe CYB3RMX | 2.1k | GPL-3.0 | Sep 18, 2026 | Scanned, no flagged issues |
| Cve MCP Server mukul975 | 1.7k | Apache-2.0 | Oct 1, 2026 | Scanned, no flagged issues |