Code Runner

Item: Code Runner
Rating: 46
Author: M8ven

Execute JavaScript and Python code securely in isolated environments with comprehensive security restrictions. Pass dynamic input variables and receive detailed execution results including output, errors, and resource usage. Benefit from a security-first design that blocks dangerous operations and enforces execution timeouts to protect your system.

→ dravidsajinraj-iex/code-runner-mcp0· listed on smithery

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// key findings

⚠️

Known vulnerabilities in dependencies: 3 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

⚠️

Tests do not pass

Either the test suite is broken or the code regressed. Either way the published behaviour can’t be verified by the publisher’s own tests.

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

// known CVEs in dependencies3 high

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

high@modelcontextprotocol/sdk@1.12.1GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.12.1GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.12.1GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

Depend on this server? Get alerted when its CVEs change.Watch this server free →

// required environment variables

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

configENABLE_NETWORKING

configMAX_EXECUTION_TIME

configMAX_MEMORY_USAGE

// 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 8 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/dravidsajinraj-iex-code-runner-mcp-12142s)](https://m8ven.ai/mcp/dravidsajinraj-iex-code-runner-mcp-12142s)

commit: b8626d50dfaed7d1423f616b87859021ed691296

code hash: 501d7f37f18e22d1344b5d35c2645110dfd6399e8c793b5ea89d83a50c480ffa

verified: 7/20/2026, 9:25:55 AM

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