CrossingKey MCP Server: Install & Setup

Install CrossingKey in Claude Code

Claude Code

claude mcp add --transport http crossingkey https://mcp.crossingkeyintelligence.com/mcp

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

{
  "mcpServers": {
    "crossingkey": {
      "url": "https://mcp.crossingkeyintelligence.com/mcp"
    }
  }
}

Agent-native MCP for governed commerce, x402 payments, paid capabilities, and verifiable receipts.

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 crossingkey https://mcp.crossingkeyintelligence.com/mcp

com.crosswirepay/crosswire

Indicative pricing, coverage and stack design for high-risk and crypto payment infrastructure.

junter1989k-ai/croatia-payments-mcp

Croatia payments for AI agents — cards / Apple Pay via Stripe. Never holds funds.

croviatrust/countersign

Signed, Bitcoin-anchored observations of AI training-data disclosure; verifies silence proofs, seals

com.crm-connector/crm-connector

The integration hub for your CRM, field service and accounting apps: integrations and AI agents.

crowdintel-xyz/polymarket-agent-kit

Polymarket wallet intelligence for AI agents: scored wallets, insider signals, whale flow.

com.criptonous.app/market-intelligence

Crypto market intelligence for AI agents: sentiment, flow, Oracle readings. x402. NFA.