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

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

How do I install SCRIPTMASTERLABS — x402 Gateway or Payfetch 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 SCRIPTMASTERLABS — x402 Gateway and Payfetch free or paid?

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

Which MCP server has more tools and community activity?

SCRIPTMASTERLABS — x402 Gateway lists 99 tools with 1 views and 0 GitHub stars. Payfetch lists 6 tools with 2 views and 0 GitHub stars.

Can I use both SCRIPTMASTERLABS — x402 Gateway and Payfetch 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 Payfetch

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

Payfetch

Finance & Fintech · Local stdio

Quality: 53/100 (Good) | Auth: other

Verdict Summary: Choose SCRIPTMASTERLABS — x402 Gateway if you need specialized Finance & Fintech tools running via a hosted cloud SSE transport. Choose Payfetch 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, list_magnets.

Explore SCRIPTMASTERLABS — x402 Gateway Details

Choose Payfetch when:

You need dedicated capabilities in the Finance & Fintech domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: other (Free / Open Source).
You have access to required keys: PAYFETCH_PRIVATE_KEY, PAYFETCH_KEY_FILE, PAYFETCH_CDP_API_KEY_ID, PAYFETCH_CDP_API_KEY_SECRET, PAYFETCH_CDP_WALLET_SECRET, PAYFETCH_CDP_ACCOUNT_NAME, PAYFETCH_TEST_MODE.
Primary tools included: x402 payments using USDC on Base, Per-call, daily, per-host, and optional lifetime caps, Host allow and deny lists.

Feature & Specification Comparison

Specification	S SCRIPTMASTERLABS — x402 Gateway VerifiedFinance & Fintech	Payfetch forum-labs 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.	Non-custodial paying-fetch client for agents that pay APIs over HTTP 402 (x402, USDC on Base). The operator sets hard per-call/per-day/per-host spend caps, an approval threshold, and allow/deny lists, with an append-only receipt for every attempt; the agent can't raise its own limits. npx -y -p @forum-labs/payfetch payfetch-mcp

Tools & Capabilities Breakdown

SCRIPTMASTERLABS — x402 Gateway Tools (99)

sml_discover

Returns the complete ScriptMasterLabs product catalog — all 55 tools, prices, and payment instructions. Call this first. FREE.

sml_status

Real-time health check of all 8 SML backends simultaneously. Call before making paid requests to avoid wasted payments. FREE.

list_magnets

get_agent_magnet_beacons

get_beacon_score

get_beacon_passport

beacon_scout

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"
    }
  }
}

Payfetch Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "forum-labs-payfetch": {
      "command": "npx",
      "args": [
        "-y",
        "@forum-labs/payfetch"
      ],
      "env": {
        "PAYFETCH_PRIVATE_KEY": "YOUR_PAYFETCH_PRIVATE_KEY_HERE",
        "PAYFETCH_KEY_FILE": "YOUR_PAYFETCH_KEY_FILE_HERE",
        "PAYFETCH_CDP_API_KEY_ID": "YOUR_PAYFETCH_CDP_API_KEY_ID_HERE",
        "PAYFETCH_CDP_API_KEY_SECRET": "YOUR_PAYFETCH_CDP_API_KEY_SECRET_HERE",
        "PAYFETCH_CDP_WALLET_SECRET": "YOUR_PAYFETCH_CDP_WALLET_SECRET_HERE",
        "PAYFETCH_CDP_ACCOUNT_NAME": "YOUR_PAYFETCH_CDP_ACCOUNT_NAME_HERE",
        "PAYFETCH_TEST_MODE": "YOUR_PAYFETCH_TEST_MODE_HERE"
      }
    }
  }
}

Frequently Asked Questions

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

More alternatives to SCRIPTMASTERLABS — x402 Gateway More alternatives to Payfetch Finance & Fintech category hub Canonical compare URL