Finance & crypto · Official remote MCP server

The SendCheck — EVM address verification (x402) MCP server,
connected in one click.

Pre-send EVM address checks: free pre-check, $0.01 check, $0.05 deep scan. x402: payment is auth. Connect the official SendCheck — EVM address verification (x402) MCP server to Claude, ChatGPT, or Cursor through gate — one gateway URL, no config files, security-checked.

Connect SendCheck — EVM address verification (x402) free How it works

Free to start · No credit card · No hosting needed

Use this server

Add SendCheck — EVM address verification (x402) 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 sendcheck-evm-address-verification-x402 https://api.pennyforge.org/mcp

Run in your terminal, then restart Claude Code.

SendCheck — EVM address verification (x402) · https://api.pennyforge.org/mcp

What you can do

What your AI can do with SendCheck — EVM address verification (x402)

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

“Use “validate_address”: FREE pre-send check of an EVM address: EIP-55 checksum verification (catches typos, dropped characters, clipboard malware) + a note that a p.”

“Use “check_address”: Paid pre-send verification of one EVM address on one chain ($0.01 USDC via x402, EIP-3009 on Base): checksum, wallet-vs-contract, outgoing a.”

“Use “deep_scan”: Paid deep scan: the full verification across ALL FIVE chains (Base, Ethereum, Arbitrum, Optimism, Polygon) incl. wrong-network detection and.”

Security check

How secure is the SendCheck — EVM address verification (x402) MCP server?

Every server in the gate directory has to pass the same four checks before your AI can touch it. Here's how SendCheck — EVM address verification (x402) holds up.

B88/100

Security grade B

gate scanned 3 tools on Oct 7, 2026. A few things are worth a look before you connect.

mediumcheck_address: References secrets or data exfiltration

Full report Badge for your README

✓ Verified directory serverSendCheck — EVM address verification (x402) · pennyforge.org

Official endpoint

Operated by SendCheck — EVM address verification (x402) (pennyforge.org) 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 SendCheck — EVM address verification (x402) adds or changes tools later, gate re-scans and alerts you — before your AI acts on the change.

Run the free scanner on SendCheck — EVM address verification (x402)'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 SendCheck — EVM address verification (x402)

Choose SendCheck — EVM address verification (x402) in the gate directory. No sign-in needed.

Use it anywhere

SendCheck — EVM address verification (x402)'s tools are live in every AI client you've connected — with rules and logging built in.

Connect SendCheck — EVM address verification (x402) free

Free to start · No credit card · No hosting needed

Straight from the server

The actual tools SendCheck — EVM address verification (x402) exposes

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

validate_address — FREE pre-send check of an EVM address: EIP-55 checksum verification (catches typos, dropped characters, clipboard malware) + a note that a p

check_address — Paid pre-send verification of one EVM address on one chain ($0.01 USDC via x402, EIP-3009 on Base): checksum, wallet-vs-contract, outgoing a

deep_scan — Paid deep scan: the full verification across ALL FIVE chains (Base, Ethereum, Arbitrum, Optimism, Polygon) incl. wrong-network detection and

Author

Who runs the SendCheck — EVM address verification (x402) MCP server?

pennyforge.org

More servers from pennyforge.org →

Own this server? Claim the listing →

Server facts

The SendCheck — EVM address verification (x402) MCP server at a glance

Endpointhttps://api.pennyforge.org/mcp

Operated bySendCheck — EVM address verification (x402) (pennyforge.org)

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 SendCheck — EVM address verification (x402) MCP server?

Yes — SendCheck — EVM address verification (x402) operates its own remote MCP server at api.pennyforge.org. 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 SendCheck — EVM address verification (x402) to Claude or ChatGPT?

Add gate's gateway URL to your AI client once, then pick SendCheck — EVM address verification (x402) in the directory. No account or sign-in is needed. From then on, SendCheck — EVM address verification (x402)'s tools are available in every client you've connected to gate.

Do I need to host anything?

No. SendCheck — EVM address verification (x402) runs the server, and gate is fully managed. You just connect one URL — there's nothing to install, deploy, or maintain.

Is the SendCheck — EVM address verification (x402) 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.