Build Arc-ready MCP agents from prompt to verified runtime.

# Install from PyPI
pip install arc-builder-kit

# List available templates
arc-builder templates

# Scaffold a new project
arc-builder scaffold payment-intent-starter my-agent

# Run diagnostics
arc-builder doctor --include-circle-wallet

# Generate release packet
arc-builder release-packet --force

# Start MCP server (stdio)
arc-builder-mcp-server

# Example: tools/list request
{"jsonrpc":"2.0","id":1,"method":"tools/list"}

# Example: tools/call for scaffold
{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{
  "name":"scaffold_project",
  "arguments":{"template":"payment-intent-starter","output_dir":"./my-agent"}
}}

# templates/payment-intent-starter/server.py
from http.server import HTTPServer, BaseHTTPRequestHandler
import json

class PaymentHandler(BaseHTTPRequestHandler):
    def do_GET(self):
        self.send_response(200)
        self.send_header("Content-Type", "application/json")
        self.end_headers()
        self.wfile.write(json.dumps({
            "status": "ready",
            "chain": "ARC-TESTNET",
            "token": "USDC"
        }).encode())

# Run: python3 server.py

# arc_builder_kit/circle_wallet_sdk.py
from arc_builder_kit import CircleWalletClient

# Read-only balance check
client = CircleWalletClient()
balance = client.get_balance(
    address="0x0cd9...ea401",
    chain="ARC-TESTNET"
)
print(balance["data"]["balances"])

# Gas estimate (no cost, no side effects)
estimate = client.estimate_transfer(
    to="0x...",
    amount="1.00",
    token="USDC"
)