org.pennyforge.api/sendcheck

up checked 2026-11-11T07:38:19.155Z

Unclaimed · Unverified

Publisher-provided title

SendCheck — EVM address verification (x402)

Publisher-provided description

Pre-send EVM address checks: free pre-check, $0.01 check, $0.05 deep scan. x402: payment is auth.

Summary by lookupd

Verifies EVM addresses before sending funds: checksum, wallet-vs-contract, and activity checks across chains, with paid per-call access.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http sendcheck https://api.pennyforge.org/mcp

Codex, remote (streamable-http)

codex mcp add sendcheck --url https://api.pennyforge.org/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "sendcheck": {
      "url": "https://api.pennyforge.org/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Publisher-provided text

validate_address FREE pre-send check of an EVM address: EIP-55 checksum verification (catches typos, dropped characters, clipboard malware) + a note that a passing checksum is a
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 activity, native/USDC
deep_scan Paid deep scan: the full verification across ALL FIVE chains (Base, Ethereum, Arbitrum, Optimism, Polygon) incl. wrong-network detection and USDC/USDT token-mis

Shows this live status and links here; updates hourly.

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