Finance & crypto · Official remote MCP server

The x402 Merchant Check MCP server,
connected in one click.

Pre-payment merchant trust checks for x402 agents on Base and Solana. Connect the official x402 Merchant Check MCP server to Claude, ChatGPT, or Cursor through gate — one gateway URL, no config files, security-checked.

Connect x402 Merchant Check free How it works

Free to start · No credit card · No hosting needed

Use this server

Add x402 Merchant Check to your AI in one minute

Pick your client. Copy, paste, done — or let gate handle sign-ins and policies for you.

claude mcp add --transport http x402-merchant-check https://mcp.gradientdecisions.com/mcp

Run in your terminal, then restart Claude Code.

x402 Merchant Check · https://mcp.gradientdecisions.com/mcp

What you can do

What your AI can do with x402 Merchant Check

Real prompts you can type the moment it's connected — no setup, no docs to read.

“Use “check_merchant”: Before paying an unfamiliar merchant via x402, including one just discovered through a marketplace like Coinbase's x402 Bazaar, call this fo.”

Security check

How secure is the x402 Merchant Check MCP server?

Every server in the gate directory has to pass the same four checks before your AI can touch it. Here's how x402 Merchant Check holds up.

✓ Verified directory serverx402 Merchant Check · gradientdecisions.com

Official endpoint

Operated by x402 Merchant Check (gradientdecisions.com) at its documented MCP endpoint — not a third-party mirror or community re-host.

No sign-in needed

This server only exposes public data — no account and no credentials are involved when you connect.

Scanned before it goes live

gate checks every tool for prompt injection, hidden instructions, data-exfiltration hints, and over-broad permissions before the server is available through your gateway.

Watched for drift

If x402 Merchant Check adds or changes tools later, gate re-scans and alerts you — before your AI acts on the change.

Run the free scanner on x402 Merchant Check's server →

How it works

Connected in three steps

Connect your gate

Add one gateway URL to Claude, ChatGPT, or any MCP client. One-time setup, about two minutes.

Pick x402 Merchant Check

Choose x402 Merchant Check in the gate directory. No sign-in needed.

Use it anywhere

x402 Merchant Check's tools are live in every AI client you've connected — with rules and logging built in.

Connect x402 Merchant Check free

Free to start · No credit card · No hosting needed

Straight from the server

The actual tools x402 Merchant Check exposes

Fetched live from the official endpoint and re-checked daily by gate — not marketing copy.

check_merchant — Before paying an unfamiliar merchant via x402, including one just discovered through a marketplace like Coinbase's x402 Bazaar, call this fo

Author

Who runs the x402 Merchant Check MCP server?

gradientdecisions.com

More servers from gradientdecisions.com →

Own this server? Claim the listing →

Server facts

The x402 Merchant Check MCP server at a glance

Endpointhttps://mcp.gradientdecisions.com/mcp

Operated byx402 Merchant Check (gradientdecisions.com)

CategoryFinance & crypto

Sign-inNone — public data only

Available in gateYes — one-click connect

Works withClaude, ChatGPT, Cursor & any MCP client

FAQ

Questions, answered

Is there an official x402 Merchant Check MCP server?

Yes — x402 Merchant Check operates its own remote MCP server at mcp.gradientdecisions.com. gate connects you to that official endpoint and adds security scanning, per-tool access rules, and an activity log on top.

How do I connect x402 Merchant Check to Claude or ChatGPT?

Add gate's gateway URL to your AI client once, then pick x402 Merchant Check in the directory. No account or sign-in is needed. From then on, x402 Merchant Check's tools are available in every client you've connected to gate.

Do I need to host anything?

No. x402 Merchant Check runs the server, and gate is fully managed. You just connect one URL — there's nothing to install, deploy, or maintain.

Is the x402 Merchant Check MCP server safe to connect?

It's the vendor's official endpoint, and gate scans its tools for prompt injection and hidden instructions before it goes live, re-checks it whenever it changes, and lets you allow, block, or require approval for every single tool.