---
title: "predict_virality: Predict virality"
description: "Score how a short video is likely to perform: a headline number and a timeline of attention, emotion and reward signals."
canonical_url: "https://meetkuro.com/agents/tools/predict_virality/"
updated: 2026-11-03
locale: "en"
tool: "predict_virality"
scopes: ["generation.write"]
---

# predict_virality

**Predict virality**

Score how a short video is likely to perform: a headline number and a timeline of attention, emotion and reward signals. Takes a finished clip or a video upload of up to sixty seconds; spends credits and returns a queued prediction — poll get_virality_prediction until its status is ready or failed. Pass `retry_prediction_id` instead of a reference to run a failed prediction again on the same video.

## Scope

- `generation.write` — Makes, edits, imports, shares and deletes media in the account.

## Behaviour

- **Writes**: Creates or changes items in the caller's own account.
- **Adds or updates**: Adds or updates; nothing the caller already has is deleted or overwritten.
- **Stays in the account**: Stays inside the caller's private Kuro account: any media provider it calls acts on Kuro's account, and the result is visible to no one else.

## Credits

What the tool's description says about credits, verbatim:

- Takes a finished clip or a video upload of up to sixty seconds; spends credits and returns a queued prediction — poll get_virality_prediction until its status is ready or failed.

## Inputs

| Name | Type | Required | Details |
| --- | --- | --- | --- |
| `reference` | object (type: "upload") or object (type: "generation") | no | — |
| `retry_prediction_id` | string | no | uuid |

## Example call

A `tools/call` request with the required arguments only, each a placeholder read off the schema. Replace them before sending.

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "predict_virality",
    "arguments": {}
  }
}
```

## Input schema

As the server sends it in `tools/list`:

```json
{
  "type": "object",
  "properties": {
    "reference": {
      "anyOf": [
        {
          "type": "object",
          "properties": {
            "type": {
              "type": "string",
              "const": "upload"
            },
            "upload_id": {
              "type": "string",
              "format": "uuid"
            }
          },
          "required": [
            "type",
            "upload_id"
          ],
          "additionalProperties": false
        },
        {
          "type": "object",
          "properties": {
            "type": {
              "type": "string",
              "const": "generation"
            },
            "generation_id": {
              "type": "string",
              "format": "uuid"
            }
          },
          "required": [
            "type",
            "generation_id"
          ],
          "additionalProperties": false
        }
      ]
    },
    "retry_prediction_id": {
      "type": "string",
      "format": "uuid"
    }
  },
  "additionalProperties": false
}
```

## Related tools

- [`get_virality_prediction`](https://meetkuro.com/agents/tools/get_virality_prediction.md): Read one prediction by id — the poll — or, with no id, list the account's predictions newest first (`archived: true` lists the archived ones).

---

## About Kuro

Kuro is an AI picture studio: prompt-driven images, clips, voice-overs and music, and storyboard-backed films with consistent characters across every scene.

Agents connect over MCP and can generate directly:

```
claude mcp add kuro https://api.meetkuro.com/mcp --transport http
```

The app is at https://app.meetkuro.com and requires an account.

Each guide, model page, comparison and free tool page on this site (not a tool's variants, and not the index pages) has a Markdown twin at its own URL plus `.md`, and so do /benchmarks/, the English /agents/ page (as /agents.md) and the MCP tool reference. Every tool: https://meetkuro.com/agents/tools/