x402 Paid MCP

Charge-at-edge MCP wrapping live OFAC SDN and SHA-256 meters. Unpaid calls return HTTP 402 with dual-rail USDC accepts (Base + Solana).

Base eip155:8453 → 0x8686bd9BC270Df09240E7D220A4Bd4c627DCCb03
Solana solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp → 9LpgG9mJyBW8vBJLTrtvNPHPspHAVtTmFCjfugegx6ax

Tools

• ofac_sdn_screen — $0.25 — Fuzzy-screen a person or organization name against a cached public OFAC SDN list (including aliases). Returns scored potential matches only. OFAC SDN directional screen — not UK/EU/UN, not clearance, not attestation.
• ofac_sdn_priority — $1.00 — Priority OFAC SDN screen — same directional fuzzy SDN screen at a higher single-shot price. Potential matches only — not clearance.
• sanctions_screen — $0.25 — Sanctions / AML name screen against a cached public OFAC SDN watchlist. Ranked potential matches with scores. OFAC SDN only — not UK/EU/UN. Not clearance or attestation.
• sha256 — $0.001 — Compute a SHA-256 hex digest of a text payload. Cryptographic hash / checksum helper. Not an attestation.

Cursor mcp.json

{
  "mcpServers": {
    "x402-paid-mcp": {
      "url": "https://x402-paid-mcp.vercel.app/mcp"
    }
  }
}

Directional OFAC SDN screen only. Cached public SDN list (including aliases). Not OFAC, not UK/EU/UN lists, not a bank substitute, and not legal clearance or attestation.

SHA-256 hex digest of the supplied payload. Not a signing service, not a timestamp authority, and not an attestation.