livevariant.com
Adaptive A/B testing where the entire test lives in a URL. Traffic shifts toward the winner while the test runs, several elements are optimized as one combination, and no raw visitor data is stored.…
First seen 2026-11-05 · Last seen 2026-11-05 · Source: webmcp.com
Answer 3 · Act 5 · Transact 1 · Score: Not yet scored
Tool inspector
upload_image
Uploads an image to the deployment's asset store and returns its URL, for use as a variant's `image` (email tests) or `url`. The returned URL is deliberately not fetchable on its own: assets are only served with a short-lived signature that the serve endpoints mint per request, so uploading here does not create free static hosting. Use `previewUrl` (valid for an hour) to check what was stored. Storage is content-addressed: the id is the sha256 of the bytes, so uploading the same image twice is harmless and returns the same URL. Raster images only; SVG is refused because it can carry scripts. Not every deployment enables asset hosting, and this tool says so plainly when yours does not.
Page: /
Input schema
| Property | Type | Required | Description |
|---|---|---|---|
data |
string | yes | The image bytes, base64-encoded (plain base64, not a data: URL). |
contentType |
string | yes | The image's actual type; the server stores and serves it as this. |
serverUrl |
string | no | Self-hosted deployments only. |
uploadToken |
string | no | Optional self-hosted upload authorization for deployments configured with LV_ASSET_UPLOAD_TOKEN; omit for the hosted service. |
Raw JSON schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"type": "object",
"properties": {
"data": {
"type": "string",
"minLength": 1,
"maxLength": 8000000,
"description": "The image bytes, base64-encoded (plain base64, not a data: URL)."
},
"contentType": {
"type": "string",
"enum": [
"image/png",
"image/jpeg",
"image/gif",
"image/webp",
"image/avif"
],
"description": "The image's actual type; the server stores and serves it as this."
},
"serverUrl": {
"description": "Self-hosted deployments only.",
"type": "string",
"format": "uri"
},
"uploadToken": {
"description": "Optional self-hosted upload authorization for deployments configured with LV_ASSET_UPLOAD_TOKEN; omit for the hosted service.",
"type": "string"
}
},
"required": [
"data",
"contentType"
]
}
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