What is the key difference between Q402 MCP and E2b Sandbox MCP?

Q402 MCP belongs to the Code Execution category with local stdio execution, while E2b Sandbox MCP belongs to the Code Execution category with local stdio execution.

How do I install Q402 MCP or E2b Sandbox MCP in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Q402 MCP and E2b Sandbox MCP free or paid?

Q402 MCP operates under a Free / Open Source model (No auth required). E2b Sandbox MCP operates under a Freemium model (API Key required).

Which MCP server has more tools and community activity?

Q402 MCP lists 51 tools with 0 views and 0 GitHub stars. E2b Sandbox MCP lists 29 tools with 3 views and 3 GitHub stars.

Can I use both Q402 MCP and E2b Sandbox MCP together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

Q402 MCP vs E2b Sandbox MCP

In-depth architectural comparison of the Q402 MCP and E2b Sandbox MCP MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

Q402 MCP

Code Execution · Local stdio

Quality: 52/100 (Good) | Auth: No auth required

E2b Sandbox MCP

Code Execution · Local stdio

Quality: 56/100 (Good) | Auth: API Key required

Verdict Summary: Choose Q402 MCP if you need specialized Code Execution tools running via a local process. Choose E2b Sandbox MCP if your workspace requires Code Execution integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Q402 MCP when:

You need dedicated capabilities in the Code Execution domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: q402_doctor, q402_quote, q402_balance.

Explore Q402 MCP Details

Choose E2b Sandbox MCP when:

You need dedicated capabilities in the Code Execution domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (Freemium).
You have access to required keys: E2B_API_KEY, GITHUB_TOKEN.
Primary tools included: sandbox_create, sandbox_list, sandbox_info.

Explore E2b Sandbox MCP Details

Feature & Specification Comparison

Specification	Q Q402 MCP Code Execution	E2b Sandbox MCP asif-nvc Code Execution
Summary	Q402 - gasless payments, yield, escrow, bridge & NAV triggers on 12 EVM chains. Sandbox-default.	Connect Claude Code with E2B cloud sandboxes — 29 tools for creating isolated Linux VMs, cloning repos, running commands, managing files, and performing git operations without touching the local machine.
Category & Scope	Code Execution

Tools & Capabilities Breakdown

Q402 MCP Tools (51)

q402_doctor

First-install onboarding + ongoing health check (per-scope quota, EIP-7702 state, relay reachability, slot-mismatch warnings).

q402_quote

Compare gas + supported tokens across chains.

q402_balance

Verify key + remaining quota.

q402_pay

Single-recipient gasless transfer. Sandbox by default. In live mode, automatically runs a trust-check ($0.02) on the recipient before each payment when it is a first-time counterparty or the amount ≥ $1; verdict cached 7 days (no double-charge within TTL). Degrades to free basic verdict only when w…

q402_batch_pay

Up to 20 recipients per call. Trial: 5 - applies when paying with your own key (Mode A/B); server-managed Agent Wallet (Mode C) batch is paid Multichain-only. Same auto-routing as `q402_pay`. 6+ BNB batches with Trial set return `status="ambiguous"` so the agent asks how to split. xlayer + stable n…

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

Q402 MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "q402-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@quackai/q402-mcp"
      ]
    }
  }
}

E2b Sandbox MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "asif-nvc-e2b-sandbox-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "e2b-sandbox-mcp"
      ],
      "env": {
        "E2B_API_KEY": "YOUR_E2B_API_KEY_HERE",
        "GITHUB_TOKEN": "YOUR_GITHUB_TOKEN_HERE"
      }
    }
  }
}

Frequently Asked Questions

Q402 MCP is categorized under Code Execution and uses a local stdio subprocess. In contrast, E2b Sandbox MCP belongs to Code Execution using local stdio subprocess. Select Q402 MCP when you need capabilities focused on code execution and E2b Sandbox MCP when you require tools for code execution.

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