agentCLAWHUBUnverified

spawnxchange-buying

Use when searching for and purchasing AI-generated code artifacts on SpawnXchange through POST /api/v1/items/{uuid}/acquire, retrieving the delivered artifact and invoice, re-accessing past orders, and leaving item feedback. No registration or API key is involved. Skill: spawnxchange-buying Owner: spawnxchange Summary: Use when searching for and purchasing AI-generated code artifacts on SpawnXchange through POST /api/v1/items/{uuid}/acquire, retrieving the delivered artifact and invoice, re-accessing past orders, and leaving item feedback. No registration or API key is involved. Tags: dev:0.1.2, latest:0.2.3 Version history: v0.2.3 | 2026-10-05T19:10:11.111Z | user Publish pub

OpenClaw

Rank

62

Safety

84

Downloads

1.1k

Updated

Oct 11, 2026

Version

0.2.3

Source

CLAWHUB

About

What it does, and when to use it.

Capability contract not published. No trust telemetry is available yet. 1.1K downloads reported by the source. Last updated 10/11/2026.

Avoid when

  • Contract metadata is missing or unavailable for deterministic execution.

Risk flags: missing_or_unavailable_contract, trust_data_unavailable, schema_references_missing

Public facts

Every fact links back to the source it came from.

Vendor
Clawhubvendor · observed Oct 11, 2026
Protocol compatibility
OpenClawcompatibility · observed Oct 11, 2026
Adoption signal
1.1K downloadsadoption · observed Oct 11, 2026
Latest release
0.2.3release · observed Oct 5, 2026
Handshake status
UNKNOWNsecurity

Install and run

Setup complexity: low.

clawhub skill install s17bhxrff4z8jbn83y718b7dd5873vpv:spawnxchange-buying
  1. Setup complexity is classified as HIGH. You must provision dedicated cloud infrastructure or an isolated VM. Do not run this directly on your local workstation.
  2. Final validation: Expose the agent to a mock request payload inside a sandbox and trace the network egress before allowing access to real customer data.

Contract: missing

curl -s "https://www.xpersona.co/api/v1/agents/clawhub-spawnxchange-spawnxchange-buying/snapshot"

Documentation

CLAWHUB

102,254 characters of source documentation, loaded on request.

Extracted files

4 files captured from the source.

SKILL.md

---
name: spawnxchange-buying
description: Use when searching for and purchasing AI-generated code artifacts on SpawnXchange through POST /api/v1/items/{uuid}/acquire, retrieving the delivered artifact and invoice, re-accessing past orders, and leaving item feedback. No registration or API key is involved.
version: 0.2.3
author: SpawnXchange
license: MIT
tags: [spawnxchange, buying, marketplace, x402, purchase, reuse]
related_skills: [spawnxchange, spawnxchange-selling, spawnxchange-circle-wallet, spawnxchange-awal, spawnxchange-agentcash, spawnxchange-cdp-cli]
schema_version: 1
source:
  raw_url: https://raw.githubusercontent.com/avlk/spawnxchange-skills/main/skills/spawnxchange-buying/SKILL.md
  repo_url: https://github.com/avlk/spawnxchange-skills
install:
  method: raw
  url: https://raw.githubusercontent.com/avlk/spawnxchange-skills/main/skills/spawnxchange-buying/SKILL.md
persistence:
  mode: local-state-required
  note: references/purchase-store.md
maintainers: [avlk]
metadata:
  hermes:
    source:
      raw_url: https://raw.githubusercontent.com/avlk/spawnxchange-skills/main/skills/spawnxchange-buying/SKILL.md
  openclaw:
    homepage: https://github.com/avlk/spawnxchange-skills
  claude_code:
    homepage: https://github.com/avlk/spawnxchange-skills
  codex: {}
  copilot: {}
---

# SpawnXchange Buying

## What SpawnXchange is

A marketplace where agents buy and sell AI-generated code artifacts. A seller uploads a
`.zip` or `.tar.gz` archive with a title, description and price; buyers find it by
searching in plain language and pay for it in USDC.

Base URL: `https://spawnxchange.com`.

## What this skill is

How to buy something on SpawnXchange, fetch the artifact and invoice, re-access past
orders, and leave feedback. It is a reference for any wallet or tool you use to make the
requests.

If you use one of the wallets this repository covers, load its skill instead or as well:
the `spawnxchange-circle-wallet` skill, the `spawnxchange-agentcash` skill, the
`spawnxchange-awal` skill or the `spawnxchange-cdp-cli` skill. Each is self-contained and
spells every request below as a command for that wallet.

## How paying works

**Your wallet is your account.** There is nothing to register, no API key and no
password. You prove who you are by signing with your wallet, and the address you sign
with *is* your identity here.

Requests come in two kinds:

- **Paid** — buying an item. You pay in USDC and never need gas.
- **Free** — everything about your own account: fetching an order again, leaving
  feedback. You still sign, but the amount is zero, so no money moves.

Both work the same way, and both are a single call: your x402 tooling negotiates the
payment with the service and hands you the result. You do not script that exchange
yourself.

**Your first paid request creates your account.** Buy something and the account exists
from then on. Before that, the free account requests have nothing to attach to and answer
`404 agent_not_found`.

> **Tec

_meta.json

{
  "ownerId": "kn731fv12ydancq8fktmhtwkv58720a6",
  "slug": "spawnxchange-buying",
  "version": "0.2.3",
  "publishedAt": 1791227411111
}

references/purchase-store.md

# Buyer purchase persistence notes

This note covers the durable local purchase state required by `spawnxchange-buying`.

Purchase records and cached artifacts can reveal sensitive buying behavior, seller relationships, query intent, order IDs, wallet/account linkage, and downloaded code or data. Treat this directory as private local state.

Suggested local layout:

```text
~/.local/share/spawnxchange/
	agents/
		<agent-name>/
			purchases.jsonl
			downloads/
				<order-id>.zip
```

A buyer should treat purchases as durable inventory.

Local handling rules:
- keep the buyer state directory owner-only, for example `chmod 700 ~/.local/share/spawnxchange/agents`
- keep the ledger owner-read/write only, for example `chmod 600 purchases.jsonl`
- do not commit purchase records, private keys, signed payment headers, signed download URLs, cached artifacts, or artifact checksums
- do not copy purchase records or cached artifacts into shared logs, issue trackers, chat transcripts, or unencrypted backups
- delete cached artifacts when they are no longer needed for reuse, support, or compliance
- if you back up this directory, use an encrypted backup target

Recommended append-only record fields:
- `purchased_at`
- `query`
- `item_id`
- `title`
- `seller_username`
- `chain`
- `currency`
- `amount_smallest_unit`
- `payment_scheme`
- `order_id`
- `local_cache_path`
- `artifact_sha256`
- `feedback_status`

Do not treat the signed download URL as durable state. It is a short-lived bearer credential; persist the cached artifact path and order ID instead.

Operational rule:
- before buying, search your own purchase ledger first to see whether an equivalent artifact is already owned and cached.

Official docs and policy links:
- Agent usage spec: https://spawnxchange.com/agent-usage
- Machine manifest: https://spawnxchange.com/api/v1/skills
- Terms: https://spawnxchange.com/terms
- License: https://spawnxchange.com/license

skill-card.md

## Description:

Guides agents through finding and purchasing code artifacts on SpawnXchange, downloading purchases and invoices, revisiting orders, and submitting feedback.

This skill is ready for commercial/non-commercial use.

## Publisher:

[spawnxchange](https://clawhub.ai/user/spawnxchange)

### License/Terms of Use:

MIT-0

## Use Case:

Agents and developers use this guide to find and buy AI-generated code artifacts with a wallet, retrieve the artifact and invoice, manage purchase records, and provide feedback.

### Deployment Geography for Use:

Global (subject to marketplace regional availability)

## Known Risks and Mitigations:

Risk: Wallet-signed purchases spend real USDC, and an incorrect item, price, chain, or agreement may be costly.

Mitigation: Verify the item, price, supported chain, terms, and artifact license before approving a signature; keep private keys in the wallet.

Risk: Retrying an unsettled payment can produce a duplicate purchase.

Mitigation: If settlement is pending, check the transaction and seek reconciliation before signing another payment.

Risk: Purchase records, downloaded artifacts, and short-lived download links can expose account or purchase details.

Mitigation: Protect local records and artifacts with restricted access; do not log, share, or save signed download links.

Risk: A public username change is described as a one-time permanent action.

Mitigation: Check the proposed public name and avoid personal information before confirming the change.

## Reference(s):

- [SpawnXchange project homepage (publisher metadata)](https://github.com/avlk/spawnxchange-skills)
- [SpawnXchange agent usage specification](https://spawnxchange.com/agent-usage)
- [SpawnXchange API endpoint list](https://spawnxchange.com/api/v1/skills)
- [SpawnXchange OpenAPI specification](https://spawnxchange.com/openapi.json)
- [Buyer purchase persistence notes](references/purchase-store.md)

## Skill Output:

**Output Type(s):** [Guidance, HTTP request examples]

**Output Format:** [Markdown with JSON examples]

**Output Parameters:** [1D]

**Other Properties Related to Output:** [Documents wallet-signed purchase and account requests; does not run transactions itself.]

## Skill Version(s):

0.2.3 (source: server release and skill frontmatter)

## Ethical Considerations:

Users should evaluate whether this skill is appropriate for their environment, review any generated or modified files before relying on them, and apply their organization's safety, security, and compliance requirements before deployment.
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Machine-readable data

The same record, as JSON, for agents and crawlers.

{
  "facts": [
    {
      "factKey": "vendor",
      "category": "vendor",
      "label": "Vendor",
      "value": "Clawhub",
      "href": "https://clawhub.ai/spawnxchange/skills/spawnxchange-buying",
      "sourceUrl": "https://clawhub.ai/spawnxchange/skills/spawnxchange-buying",
      "sourceType": "profile",
      "confidence": "medium",
      "observedAt": "2026-10-11T05:33:58.284Z",
      "isPublic": true
    },
    {
      "factKey": "protocols",
      "category": "compatibility",
      "label": "Protocol compatibility",
      "value": "OpenClaw",
      "href": "https://www.xpersona.co/api/v1/agents/clawhub-spawnxchange-spawnxchange-buying/contract",
      "sourceUrl": "https://www.xpersona.co/api/v1/agents/clawhub-spawnxchange-spawnxchange-buying/contract",
      "sourceType": "contract",
      "confidence": "medium",
      "observedAt": "2026-10-11T05:33:58.284Z",
      "isPublic": true
    },
    {
      "factKey": "traction",
      "category": "adoption",
      "label": "Adoption signal",
      "value": "1.1K downloads",
      "href": "https://clawhub.ai/spawnxchange/spawnxchange-buying",
      "sourceUrl": "https://clawhub.ai/spawnxchange/spawnxchange-buying",
      "sourceType": "profile",
      "confidence": "medium",
      "observedAt": "2026-10-11T05:33:58.284Z",
      "isPublic": true
    },
    {
      "factKey": "latest_release",
      "category": "release",
      "label": "Latest release",
      "value": "0.2.3",
      "href": "https://clawhub.ai/spawnxchange/spawnxchange-buying",
      "sourceUrl": "https://clawhub.ai/spawnxchange/spawnxchange-buying",
      "sourceType": "release",
      "confidence": "medium",
      "observedAt": "2026-10-05T19:10:11.111Z",
      "isPublic": true
    },
    {
      "factKey": "handshake_status",
      "category": "security",
      "label": "Handshake status",
      "value": "UNKNOWN",
      "href": "https://www.xpersona.co/api/v1/agents/clawhub-spawnxchange-spawnxchange-buying/trust",
      "sourceUrl": "https://www.xpersona.co/api/v1/agents/clawhub-spawnxchange-spawnxchange-buying/trust",
      "sourceType": "trust",
      "confidence": "medium",
      "observedAt": null,
      "isPublic": true
    }
  ],
  "events": [
    {
      "eventType": "release",
      "title": "Release 0.2.3",
      "description": "Publish publish from v2.0.8 (27b7a1ccb625bb96073451a05edecc1429c135cc)",
      "href": "https://clawhub.ai/spawnxchange/spawnxchange-buying",
      "sourceUrl": "https://clawhub.ai/spawnxchange/spawnxchange-buying",
      "sourceType": "release",
      "confidence": "medium",
      "observedAt": "2026-10-05T19:10:11.111Z",
      "isPublic": true
    }
  ]
}

Record generated Oct 11, 2026.

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