ROS 2 Protocol

ssdf-ros2-protocol

Operating spec for ROS 2 distributions, rmw, and ros2_control: Humble / Jazzy LTS, Kilted near-EOL, Lyrical Luth (May 2026, Ubuntu 26.04) through May 2031, Fast DDS / Cyclone / Connext / Zenoh. Instant markdown. Not a hosted graph, not Gazebo, not firmware. A Passport is not a distro.

Pay from a phone

A laptop CLI will not work here. Open this page in Coinbase Wallet — the wallet app, not the Coinbase exchange app — then tap Sign. Your wallet holds the USDC. SSDF never sees the key. This is the agent rail. The other wallet picker is hosted checkout; that door does not list Bazaar.

Open in MetaMask

The signing wallet needs at least 58.00 USDC on Base. Gas is paid by the facilitator. Builder Code bc_23xfq19z is issued, not advertised on this 402 yet.

Human product page

On a computer (Coinbase Agentic Wallet)

npx awal auth login <email>
npx awal auth verify <flowId> <6-digit-code>
npx awal status
npx awal x402 pay https://www.ssdf.site/api/x402/ssdf-ros2-protocol --max-amount 58000000

{
  "sku": "ssdf-ros2-protocol",
  "name": "ROS 2 Protocol",
  "price": {
    "amount": "58.00",
    "currency": "USDC",
    "network": "base"
  },
  "rail": "instant",
  "fulfillment": "passport",
  "x402": {
    "endpoint": "/api/x402/ssdf-ros2-protocol",
    "resource": "https://www.ssdf.site/api/x402/ssdf-ros2-protocol",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "scheme": "exact",
    "facilitator": "https://api.cdp.coinbase.com/platform/v2/x402",
    "taxHeader": "X-BUYER-STATE",
    "how": "Phone: open this page in Coinbase Wallet and sign the exact USDC authorization. Computer: awal auth login, auth verify, then x402 pay. Hosted Coinbase checkout of the same SKU does not list Bazaar."
  },
  "client": {
    "phone": {
      "openInCoinbaseWallet": "https://go.cb-w.com/dapp?cb_url=https%3A%2F%2Fwww.ssdf.site%2Fmachine%2Fssdf-ros2-protocol",
      "openInMetaMask": "https://metamask.app.link/dapp/www.ssdf.site/machine/ssdf-ros2-protocol",
      "note": "Sign EIP-3009 in the wallet browser. That is the agent rail. The hosted checkout wallet picker is the human door."
    },
    "computer": {
      "recommended": "Coinbase Agentic Wallet",
      "pay": "npx awal x402 pay https://www.ssdf.site/api/x402/ssdf-ros2-protocol --max-amount 58000000"
    },
    "capAtomic": 58000000,
    "builderCode": {
      "issued": "bc_23xfq19z",
      "advertisedOn402": false
    }
  },
  "merchant": {
    "legal": "SSDF INC",
    "settlement": "Coinbase Business"
  }
}

PAYMENT-SIGNATURE