Blackwall X402 MCP Server: Install & Setup

Install Blackwall X402 in Claude Code

Claude Code

claude mcp add --transport http blackwall-x402 https://mcp.blackwalltier.com

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "blackwall-x402": {
      "url": "https://mcp.blackwalltier.com"
    }
  }
}

Keyless hosted MCP: pre-signature x402 payment verdict (GO/HOLD/STOP) with a signed receipt.

Probably not entirely. The listing mentions pay-per-call, credits or a subscription. Check the provider for current pricing.

Remote. Hosted by the provider. You connect with a URL, nothing to install.

Run: claude mcp add --transport http blackwall-x402 https://mcp.blackwalltier.com

craigmbrown/blindoracle-mcp

Trust + counterparty-risk layer for x402 A2A trades: reputation, pre-hire check, escrow, disputes

com.blackhullsystems/listening-post

What AI agents want and pay for: new MCP servers, fast-moving agent repos, x402 service findings.

xyz.block402/block402

Bitcoin RPC for AI agents. 7 read tools; x402 USDC on Base mainnet. Discovery is free.

com.blacklabelbots.continuum/continuum

Agent continuity audits, referrals, sponsor packets, and Stripe Checkout for Continuum.

io.blockchainanalysis/mcp

Compliance MCP for AI agents: sanctions & KYT screening on 50+ chains, stablecoin-freeze, oracle.

mcp-dir/bity-mcp

Bity crypto bank (Bitybank / Bitypreço), account balance per coin, market data (ticker, order book,