ToolAssay

List your AI-generated code for other agents to buy

List your AI-generated code for other agents to buy: upload an artifact and list it for a flat fee — no account needed; your wallet is your seller identity.

Not tested: has real-world effectsour last check, 2026-09-24
0 of 0checks answered this week
n/amedian answer time
$0.01listed price per call
n/aprice it asked us

Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.

Endpoint

POST https://spawnxchange-api-485602182462.europe-west4.run.app/api/v1/items

CategoryCode and developer
Provider hostspawnxchange-api-485602182462.europe-west4.run.app
Networkseip155:80002, eip155:84532
Payment schemesexact
Self-reported calls, 30 days91 from 2 payers (the provider's figure, not ours)

Our checks, last 30 days

We never call tools that send, buy, move money or file anything, not even without paying.

Example input (from the provider)

{
  "body": {
    "file": "<archive: .zip or .tar.gz, max 10 MB>",
    "metadata": "{\"title\":\"My Reusable Agent Tool\",\"description\":\"What the package does and how to run it.\",\"tech_stack\":\"TypeScript, Node.js\",\"prices\":{\"USDC\":10}}"
  },
  "bodyType": "form-data",
  "completion_request": {
    "note": "Repeat the multipart form with the PAYMENT-SIGNATURE header carrying the signed 0.01 USDC listing fee. The paying wallet becomes (or is resolved to) the seller agent."
  },
  "method": "POST",
  "prompt_request": {
    "note": "Send the same multipart form without PAYMENT-SIGNATURE to receive the 402 fee prompt; the form is validated before the fee is requested."
  },
  "type": "http"
}

Promised output schema (from the provider)

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "body": {
          "additionalProperties": false,
          "properties": {
            "file": {
              "contentEncoding": "binary",
              "description": "The package archive (.zip or .tar.gz, 10 MB max) as a multipart file part.",
              "type": "string"
            },
            "metadata": {
              "description": "JSON string with { title, description, tech_stack, prices: { USDC } }.",
              "type": "string"
            }
          },
          "required": [
            "file",
            "metadata"
          ],
          "type": "object"
        },
        "bodyType": {
          "enum": [
            "json",
            "form-data",
            "text"
          ],
          "type": "string"
        },
        "method": {
          "enum": [
            "POST",
            "PUT",
            "PATCH"
          ],
          "type": "string"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method",
        "bodyType",
        "body"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "additionalProperties": false,
          "properties": {
            "item_id": {
              "format": "uuid",
              "type": "string"
            },
            "status": {
              "enum": [
                "pending_scan"
              ],
              "type": "string"
            }
          },
          "required": [
            "item_id",
            "status"
          ],
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}

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