What is the key difference between SCRIPTMASTERLABS — x402 Gateway and Shinjuku Shielded?

SCRIPTMASTERLABS — x402 Gateway belongs to the Finance & Fintech category with cloud HTTP/SSE execution, while Shinjuku Shielded belongs to the Finance & Fintech category with local stdio execution.

How do I install SCRIPTMASTERLABS — x402 Gateway or Shinjuku Shielded 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.

Which MCP server has more tools and community activity?

SCRIPTMASTERLABS — x402 Gateway lists 3 tools with 3 views and 0 GitHub stars. Shinjuku Shielded lists 9 tools with 0 views and 2 GitHub stars.

Can I use both SCRIPTMASTERLABS — x402 Gateway and Shinjuku Shielded 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

SCRIPTMASTERLABS — x402 Gateway vs Shinjuku Shielded

Q: Are SCRIPTMASTERLABS — x402 Gateway and Shinjuku Shielded free or paid?

SCRIPTMASTERLABS — x402 Gateway operates under a Freemium model (No auth required). Shinjuku Shielded operates under a Free / Open Source model (No auth required).

In-depth architectural comparison of the SCRIPTMASTERLABS — x402 Gateway and Shinjuku Shielded 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

SCRIPTMASTERLABS — x402 Gateway

Finance & Fintech · Remote HTTP/SSE

Quality: 76/100 (Great) | Auth: No auth required

Shinjuku Shielded

Finance & Fintech · Local stdio

Quality: 53/100 (Good) | Auth: No auth required

Verdict Summary: Choose SCRIPTMASTERLABS — x402 Gateway if you need specialized Finance & Fintech tools running via a hosted cloud SSE transport. Choose Shinjuku Shielded if your workspace requires Finance & Fintech integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose SCRIPTMASTERLABS — x402 Gateway when:

You need dedicated capabilities in the Finance & Fintech domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: No auth required (Freemium).
Primary tools included: sml_discover, sml_status, x402_contract.

Explore SCRIPTMASTERLABS — x402 Gateway Details

Choose Shinjuku Shielded when:

You need dedicated capabilities in the Finance & Fintech domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: shinjuku_setup, wallet_status, wallet_shield.

Explore Shinjuku Shielded Details

Feature & Specification Comparison

Specification	S SCRIPTMASTERLABS — x402 Gateway VerifiedFinance & Fintech	S Shinjuku Shielded Finance & Fintech
Summary	Remote MCP gateway for SCRIPTMASTERLABS x402-paid tools and agent-native API access on Base, with free capability discovery and pay-per-use execution.	Private x402 payments on Solana: shield, pay, and unshield USDC under caps you set.
Category & Scope

Tools & Capabilities Breakdown

SCRIPTMASTERLABS — x402 Gateway Tools (3)

sml_discover

Find the x402 Gateway contract and where to inspect fresh payment requirements. FREE.

sml_status

Check the public x402 Gateway identity and canonical payment rail. FREE.

x402_contract

Inspect the canonical x402 payment contract. Returns network, USDC asset, payTo, headers, and the rule for resolving fresh target requirements. FREE.

Shinjuku Shielded Tools (9)

shinjuku_setup

Asks you to confirm in your MCP client that it may create a Shinjuku Shielded wallet on this machine, and shows the caps. Then it runs the setup and switches the same server to the wallet tools. It never asks for a secret. A client that cannot ask is told to run `npx -y shinjuku-shielded setup` in…

wallet_status

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).

SCRIPTMASTERLABS — x402 Gateway Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "scriptmasterlabs-x402-gateway": {
      "url": "https://mcp-x402.onrender.com/mcp"
    }
  }
}

Shinjuku Shielded Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "shinjuku-shielded": {
      "command": "npx",
      "args": [
        "-y",
        "shinjuku-shielded"
      ]
    }
  }
}

Frequently Asked Questions

SCRIPTMASTERLABS — x402 Gateway is categorized under Finance & Fintech and uses a remote streaming HTTP/SSE transport. In contrast, Shinjuku Shielded belongs to Finance & Fintech using local stdio subprocess. Select SCRIPTMASTERLABS — x402 Gateway when you need capabilities focused on finance & fintech and Shinjuku Shielded when you require tools for finance & fintech.

More alternatives to SCRIPTMASTERLABS — x402 Gateway More alternatives to Shinjuku Shielded Finance & Fintech category hub