capsule-mcp-server

Capsule MCP server gives your AI agent the ability to safely run untrusted Python and JavaScript code in a secure WebAssembly sandbox.

→ mavdol/capsule · listed on glama

Install from

Glama

M8ven verifies MCPs across every public registry — install directly from whichever one you prefer.

// key findings

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

✅

Open source with a license and README

Anyone can audit the code, the license is declared, and the publisher documents what it does.

🔐

You'll be asked for 1 credential: OPENAI_API_KEY

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

🔐 secretOPENAI_API_KEY

configOPENAI_BASE_URL

configOPENAI_MODEL

configcomspec

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 3 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/mavdol-capsule-bfe9if)](https://m8ven.ai/mcp/mavdol-capsule-bfe9if)

commit: c62852d844ffc713b780d8b2fc84bbb10c66f2b1

code hash: 47ce27d8b466e2ee06f5d39908e617ee5415c2edc1fc4546e3f9c8d0a7de2876

verified: 4/11/2026, 2:50:01 PM

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