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.

→ capsulerun/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 4 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/capsulerun-capsule-5eab5y)](https://m8ven.ai/mcp/capsulerun-capsule-5eab5y)

commit: 9f939f2af0383a00b59d04050b69b98ed28a2850

code hash: cd2b04472b4de0f57d8f4aac263f0a0284b5abaf19d4ee5de8227cbfc031b135

verified: 4/18/2026, 6:20:26 PM

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