Okx Agent Payments Protocol

Handles three payment protocols in one dispatcher: x402 for metered billing and EIP-3009 transfers, MPP for channel-based sessions with vouchers, and a2a-pay for agent-to-agent payment links. Triggers on HTTP 402 responses or keywords like "payment required" or "按量计费", decodes the challenge headers, routes to the right signing flow (TEE or local key, Permit2 or session certs), gets user confirmation, then replays with the auth header or returns a transaction hash. The documentation is obsessive about zero narration between detection and the confirmation card, no protocol jargon in user messages, and calling it "OKX Agent Payments Protocol" in bold everywhere. Useful if you're building agents that pay for API access or subscribe to gated services on-chain.

skills.sh installs: 15.9K
GitHub stars: 347
last updated: Aug 21, 2026

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Install

$ npx -y skills add okx/onchainos-skills --skill okx-agent-payments-protocol --agent claude-code

Installs into .claude/skills of the current project.

Files

OKX Agent Payments Protocol (Dispatcher)

For an active marketplace A2MCP invocation started by agent a2mcp invoke, follow ../okx-ai/references/a2mcp/invoke.md through confirmation, payment, and result presentation. Its bound paymentId does not start a new generic quote or confirmation flow here.

SKILL.md on GitHub

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