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Lets an agent pay for x402 APIs in USDC on Arc, under a spending policy it cannot change.
npx @getmcp/cli add io.github.giupy997/cra-agentRequires Node.js 18+. Community-contributed server. Review source before installing.
CRA_NETWORKarc (mainnet) or arcTestnet
CRA_KEY_FILEPath to a chmod 600 file holding the agent's private key. Never put the key in a prompt.
Config file: ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"io.github.giupy997/cra-agent": {
"command": "npx",
"args": [
"-y",
"@cra-agent/mcp"
],
"env": {
"CRA_NETWORK": "arcTestnet",
"CRA_KEY_FILE": "",
"CRA_POLICY": "",
"CRA_RPC_URL": "",
"DATABASE_URL": ""
}
}
}
}