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mcp/harbor
Cursor

Onchain Agent Wallets for Cursor

io.github.nirholas/onchain-agent-wallets

Give an AI agent a Solana spending allowance instead of your key. Chain-enforced cap, x402.

client:Cursor transport:stdio runtime:npm

Install Onchain Agent Wallets in Cursor

~/.cursor/mcp.json · windows: %USERPROFILE%\.cursor\mcp.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "onchain-agent-wallets": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@three-ws/onchain-agent-wallets"
      ],
      "env": {
        "OWNER_SECRET_KEY": "<OWNER_SECRET_KEY>",
        "OAW_NETWORK": "<OAW_NETWORK>",
        "SOLANA_RPC_URL": "<SOLANA_RPC_URL>",
        "OAW_STATE_DIR": "<OAW_STATE_DIR>",
        "REQUIRE_CONFIRM": "<REQUIRE_CONFIRM>"
      }
    }
  }
}

Use .cursor/mcp.json in a project root instead to scope it to that project. Cursor merges both. Cursor docs

Onchain Agent Wallets in other clients

Onchain Agent Wallets MCP server