Loading create_support_attachment_upload
create_support_attachment_upload

Issue a signed, expiring upload capability for one support attachment.
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Inputs are shown for personal API keys (bound) and for OAuth/delegated agents. Output schemas describe MCP structuredContent: native objects pass through; arrays, scalars and null use a data wrapper. Text content retains the native JSON result.

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## create_support_attachment_upload

Issue a signed, expiring upload capability for one support attachment.

Use before submit_support_feedback when the report needs a screenshot or log.

The upload URL is one-shot and expires quickly; do not reuse or share it.

Scopes: support:create

Risk: write; confirmation: none; idempotency: supported.

### Input schema (personal API key)

```json
{
  "type": "object",
  "properties": {
    "workspaceId": {
      "type": "string",
      "pattern": "^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|[fF]{8}-[fF]{4}-[fF]{4}-[fF]{4}-[fF]{12})$",
      "format": "uuid"
    },
    "fileName": {
      "type": "string",
      "minLength": 1,
      "maxLength": 255
    },
    "sizeBytes": {
      "type": "integer",
      "exclusiveMinimum": 0,
      "maximum": 52428800
    }
  },
  "required": [
    "workspaceId",
    "fileName",
    "sizeBytes"
  ],
  "patternProperties": {
    "^(?!(?:workspaceId|fileName|sizeBytes)$)[\\s\\S]*$": false
  },
  "additionalProperties": true,
  "propertyNames": {
    "type": "string",
    "enum": [
      "workspaceId",
      "fileName",
      "sizeBytes"
    ]
  }
}
```

### Input schema (OAuth / delegated agent)

```json
{
  "type": "object",
  "properties": {
    "workspaceId": {
      "type": "string",
      "pattern": "^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|[fF]{8}-[fF]{4}-[fF]{4}-[fF]{4}-[fF]{12})$",
      "format": "uuid"
    },
    "fileName": {
      "type": "string",
      "minLength": 1,
      "maxLength": 255
    },
    "sizeBytes": {
      "type": "integer",
      "exclusiveMinimum": 0,
      "maximum": 52428800
    }
  },
  "required": [
    "workspaceId",
    "fileName",
    "sizeBytes"
  ],
  "patternProperties": {
    "^(?!(?:workspaceId|fileName|sizeBytes)$)[\\s\\S]*$": false
  },
  "additionalProperties": true,
  "propertyNames": {
    "type": "string",
    "enum": [
      "workspaceId",
      "fileName",
      "sizeBytes"
    ]
  }
}
```

### Output schema (structuredContent)

```json
{
  "type": "object",
  "properties": {
    "uploadToken": {
      "$ref": "#/$defs/SupportCapabilityToken"
    },
    "uploadUrl": {
      "$ref": "#/$defs/HttpUrl"
    },
    "method": {
      "anyOf": [
        {
          "type": "string",
          "enum": [
            "PUT"
          ]
        }
      ]
    },
    "headers": {
      "type": "object",
      "additionalProperties": {
        "type": "string"
      }
    },
    "expiresAt": {
      "$ref": "#/$defs/UtcDateTimeEncoded"
    }
  },
  "required": [
    "uploadToken",
    "uploadUrl",
    "method",
    "headers",
    "expiresAt"
  ],
  "patternProperties": {
    "^(?!(?:uploadToken|uploadUrl|method|headers|expiresAt)$)[\\s\\S]*$": false
  },
  "additionalProperties": true,
  "propertyNames": {
    "type": "string",
    "enum": [
      "uploadToken",
      "uploadUrl",
      "method",
      "headers",
      "expiresAt"
    ]
  },
  "$defs": {
    "SupportCapabilityToken": {
      "type": "string",
      "minLength": 1,
      "maxLength": 4096
    },
    "HttpUrl": {
      "type": "string",
      "minLength": 1,
      "maxLength": 2048,
      "pattern": "^https?:\\/\\/[^\\s/$.?#][^\\s]*$"
    },
    "UtcDateTimeEncoded": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}:\\d{2}\\.\\d{3}Z$"
    }
  }
}
```

### Underlying API operations

- `support.createAttachmentUpload`: `POST /v1/workspaces/:workspaceId/support/attachments/uploads`