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mcp/harbor
Claude Desktop

Onchain Agent Wallets for Claude Desktop

io.github.nirholas/onchain-agent-wallets

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

client:Claude Desktop transport:stdio runtime:npm

Install Onchain Agent Wallets in Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json

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

{
  "mcpServers": {
    "onchain-agent-wallets": {
      "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>"
      }
    }
  }
}

Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs

Onchain Agent Wallets in other clients

Onchain Agent Wallets MCP server