Overview

What is OnchainOS#

Introduction#

Built for AI. Ready for Web3.

OnchainOS is an onchain development platform built by OKX Wallet, with native AI Skills and MCP Server support. It enables developers and AI agents to seamlessly access onchain capabilities and build intelligent Web3 applications faster.

Access via AI Skills, MCP & Open API#

OnchainOS provides three flexible ways to integrate:

  • AI Skills — Interact with onchain services through natural language — no complex API integration required.
  • MCP — Connect OnchainOS to your AI agents and LLM applications seamlessly via Model Context Protocol.
  • Open API — Full-featured RESTful APIs for direct programmatic access with fine-grained control.

Core Capabilities#

  • Wallet — Query wallet balances, broadcast transactions, and retrieve transaction history.
  • Trade — Smart routing to find the best quotes and optimal liquidity across pools.
  • Market — Comprehensive multi-market and onchain data covering tokens, trades, transfers, and accounts.
  • Payments — Built on the x402 protocol, supporting pay-per-use models, AI Agent friendly.
  • DApp Connect Wallet — Quickly integrate "Connect OKX Wallet" into your DApp.

Why OnchainOS#

Built for AI Agents#

The only Web3 OS purpose-built for AI agents — with native MCP Server support, callable AI Skills, and structured instructions that let agents autonomously fetch onchain data and execute transactions.

All-in-One Developer Workstation#

AI toolkit, trade, market data, and payments — all unified in a single tech stack, deeply optimized for developers and AI agent workflows from prototype to production.

Best Price on Every Trade#

Smart routing across 500+ DEXs to maximize the received amount on every swap — low fees, fast quotes, no compromise on performance.

Most Network Coverage#

OKX Wallet supports 130+ networks, OnchainOS covers 20+ major chains with a multichain-native architecture, validated by millions of traders and developers.

Enterprise-Grade Security#

Every agent action is verified through intent validation and real-time monitoring, with built-in self-healing mechanisms and customizable risk controls — designed for autonomous operation scenarios.