DEPRECATED legacy alias — a2a-pay support has been merged into `okx-agent-payments-protocol` (see `references/a2a_charge.md`). This stub exists only so that legacy invocations referencing the old name resolve to a meaningful redirect. If you land here, immediately load `okx-agent-payments-protocol` via the Skill tool and follow it instead. Do NOT execute any payment logic from this stub. All paymentId / a2a_... / payment-link / payment-status triggers now route directly to `okx-agent-payments-protocol` (Path B in its SKILL.md).
This skill does not declare a tool allowlist. The agent host applies whatever default tools are available at runtime.
SKILL.md / Manifest
https://raw.githubusercontent.com/okx/onchainos-skills/main/skills/okx-a2a-payment/SKILL.mdRegistry
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