MCP · A2A · x402 · agentndx.ai llms.txt MCP endpoint
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CrossingKey MCP
Hosted MCP server for agent commerce, prepaid credits, bounded paid execution, and machine-readable fulfillment. The public repo documents a production endpoint, offer and checkout discovery, credit-balance checks, fulfillment status, request-service discovery, and authenticated bounded execution with receipt and commit or release semantics. Public GitHub repository created September 9, 2026.
MCP unverified
Transport http
Auth api-key
Endpoint https://mcp.crossingkeyintelligence.com/mcp
Install
claude mcp add --transport http crossingkey https://mcp.crossingkeyintelligence.com/mcp
01 Discover paid agent-commerce offers and checkout paths from an MCP client
02 Run bounded paid execution only after authorization, credit reservation, verification, sanitization, and receipt generation
03 Check fulfillment readiness against machine-readable manifests and SHA-256 digests
agent-commerce prepaid-credits paid-execution fulfillment stripe receipts streamable-http bounded-execution
Machine-readable: /api/servers.json  ·  JSON-LD schema embedded in <head>
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