sp3nd skillA
sp3nd is agent-read markdown (skill) from starchild-ai-agent/official-skills: Buy Amazon and eBay products with USDC on Solana via SP3ND x402 payments. Use when paying for real-world goods with crypto (e.g. order this Amazon listing, buy eBay item, ship to Tokyo with USDC)..
Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.
What the file says
# SP3ND — Autonomous Amazon/eBay Shopping with USDC on Solana
SP3ND lets an AI agent buy real products from Amazon and eBay using USDC on Solana. No KYC, no accounts, 0% platform fee, free Prime shipping on eligible Amazon items.
**Full API docs:** https://sp3nd.shop/partner-api/docs
**SKILL.md:** https://sp3nd.shop/skill.md
**Base URL:** `https://us-central1-sp3nddotshop-prod.cloudfunctions.net`
---
## Prerequisites
- Solana wallet with USDC balance (mint: `EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v`)
- `solders` and `solana` Python packages (`pip install solders solana`)
- SP3ND API credentials in `.env` (obtained via Step 1 below)
---
## Step 1: Register Agent (one-time)
Self-registration — no approval queue. Credentials are shown once; save immediately.
```python
import urllib.request, json
BASE_URL = "https://us-central1-sp3nddotshop-prod.cloudfunctions.net"
wallet_pubkey = "<your Solana wallet pubkey>"
payload = json.dumps({
"agent_name": "My Agent",
"solana_public_key": wallet_pubkey,
"contact_email": "you@example.com",
"description": "Autonomous shopping agent"
}).encode()
req = urllib.request.Request(
f"{BASE_URL}/registerAgent",
…Read the whole file at its exact version.
How to install
mdr add starchild-ai-agent/official-skills/sp3nd@v1.0.1mdr add starchild-ai-agent/official-skills/sp3nd@sha256:38e33fc9f5002495Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.
[](https://markdownregistry.com/a/art_uhx5l2qgn4dl2gdg)
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Versions
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| v1.0.1 latest | 2026-05-21 | 868b4d4 | 11,735 B | A | view · diff |
| v1.0.0 | 2026-05-06 | 9adf8da | 11,725 B | A | view · diff |
| v1.0.0 | 2026-05-06 | d2df0eb | 11,784 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (11735 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
starchild-ai-agent/official-skills · 28 stars · license none · pushed 2026-09-18 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_uhx5l2qgn4dl2gdg GET https://markdownregistry.com/api/v1/resolve?ref=starchild-ai-agent/official-skills/sp3nd GET https://markdownregistry.com/api/v1/blob/38e33fc9f5002495953ca377ac78192800f42504a7911c8f70f044b73219b039
Your agent does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.