Base just shipped Base MCP — a major step toward the agentic economy. It connects your Base Account directly to AI interfaces (Claude, ChatGPT, Cursor, Codex, etc.), letting agents perform real onchain actions through simple chat prompts while keeping you fully in control.

What Base MCP Actually Does

Once connected, your agent can:

• Track portfolio balances across Base and supported EVM chains

• View transaction history

• Send funds

• Swap tokens

• Interact with DeFi protocols via skill plugins

• Pay for x402-enabled services ** Crucially**: The agent never has your private keys. It proposes actions in chat. You review and approve them in your Base Account window (with full simulation of asset changes).

Launch Skill Plugins (Day-One Ecosystem Power) Base MCP ships with strong integrations:

| Protocol | Capabilities | Moonwell | Supply, borrow, explore lending markets | Morpho | Vaults, curated lending markets | Uniswap | Swaps, LP management, pool exploration | Aerodrome | Swaps, liquidity positions on Base | Avantis | Onchain perps trading | Bankr | Discover & act on new token launches | Virtuals | Discover & trade agent tokens |

More plugins are coming. Developers can easily add their own using a simple Markdown spec.

How It Works Under the Hood (Technical View)

Authentication: OAuth 2.1 (same standard as “Sign in with Google”) #

Transaction Flow: Agent constructs JSON-RPC request → stored on MCP server → user approves via Base Account link → agent polls for confirmation #

Security Model: No private keys on the MCP server. All signing happens in the user-controlled Base Account. Mitigates phishing and domain hijacking risks common in traditional web3 UIs. #

Compatibility: Works with any MCP-supporting AI client

Why This Matters for Polymarket & Trading Bot Builders

This is huge for anyone building autonomous trading agents:

• Agents can now natively execute on Base (swaps, lending, perps) without brittle browser automation.
• Easy portfolio monitoring + transaction history for real-time strategy decisions.
• Secure approval flow makes it production-ready for higher-value agentic trading.
• Skill plugin system means custom Polymarket integrations are straightforward.

Combined with earlier Base x402 payments, agents can now research, decide, pay for data, and execute trades — all within the same chat interface.

Getting Started

• Go to mcp.base.org
• Connect your Base Account
• Install the MCP extension in your AI client (Claude, ChatGPT, Cursor, etc.)
• Start prompting: “Check my portfolio”, “Swap 100 USDC to ETH”, “Supply to Moonwell”, etc.

Base MCP is one of the cleanest implementations yet of turning powerful AI models into secure onchain actors. It lowers the friction dramatically while maintaining strong user control.

The agentic economy just got a serious upgrade.

If you have more questions, please feel free to contact me at any time: https://t.me/FatherSon97

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