e2b-code-mode

A Code Mode MCP server for the e2b API, giving agents three tools (search, execute_read, execute_write) to write and run JavaScript functions inside sandboxed environments for API discovery and calls.

→ Rodriguespn/e2b-mcp-code-mode · listed on glama

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// key findings

🚨

Known vulnerabilities in dependencies: 1 critical

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

🔐

You'll be asked for 1 credential: E2B_API_KEY

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

// known CVEs in dependencies1 critical

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

criticalvitest@3.1.4GHSA-5xrq-8626-4rwp

When Vitest UI server is listening, arbitrary file can be read and executed

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.

🔐 secretE2B_API_KEY— "headers": { "Authorization": "Bearer ${}" }

configE2B_EXEC_TIMEOUT_MS— 120000 Per-call budget for the agent's code

configE2B_TEMPLATE— base e2b template the sandboxes boot from (needs Node with global fetch; secure-mode compatible)

configHOST— 127.0.0.1 Bind address (loopback enables DNS-rebinding protection)

configLOG_FORMAT— json json (structured) or pretty (dev)

configLOG_LEVEL— info trace/debug/info/warn/error/fatal/silent

configMCP_DEBUG_ENDPOINT— true Set false to disable GET /debug/endpoints

configPORT— 3000 HTTP listen port

// 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/rodriguespn-e2b-mcp-code-mode-6lxr29)](https://m8ven.ai/mcp/rodriguespn-e2b-mcp-code-mode-6lxr29)

commit: df3cf753782381b9b54e7d70c3b2f5bfb9d6ce9f

code hash: 3051dbe47af3f51f78c2e4190c41263b657cee69d6a35c5581147d8aeeac1b5e

verified: 7/5/2026, 9:08:22 AM

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