Skill

send-mms

Send MMS (multimedia) messages via the Kudosity platform. Use when the user wants to send a message with images, GIFs, videos, or audio to a recipient.

npx claudepluginhub burstsms/kudosity-claude-code-plugin

Tool Access

This skill uses the workspace's default tool permissions.

Preview

MMS messages are sent via the Kudosity V2 API and support images, GIFs, videos, and audio attachments.

SKILL.md

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Last CommitMar 24, 2026

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Send MMS Messages

MMS messages are sent via the Kudosity V2 API and support images, GIFs, videos, and audio attachments.

Authentication

Header: x-api-key: {KUDOSITY_V2_API_KEY}
If the user hasn't configured credentials, direct them to run /kudosity:setup

API Details

Endpoint: POST https://api.transmitmessage.com/v2/mms
Content-Type: application/json
Use the MCP execute-request tool with title Transmit Message API

Parameters

Required:

sender (string): The sender number (must be assigned to the account)
recipient (string): Destination number (local or E.164 international format)
content_urls (array of strings): URLs to the media files to attach

Optional:

subject (string): Message subject — max 20 characters, ASCII only
message (string): Body text — max 1,000 characters. Use [opt-out-link] for opt-out if required
message_ref (string, max 500 chars): Your reference ID, returned in webhooks
track_links (boolean): Enable link tracking with shortened URLs

Example HAR Request

{
  "method": "POST",
  "url": "https://api.transmitmessage.com/v2/mms",
  "headers": [
    {"name": "x-api-key", "value": "{KUDOSITY_V2_API_KEY}"},
    {"name": "Content-Type", "value": "application/json"}
  ],
  "postData": {
    "mimeType": "application/json",
    "text": "{\"subject\": \"New Arrival\", \"message\": \"Check out our latest product!\", \"sender\": \"61481074185\", \"recipient\": \"61435795809\", \"content_urls\": [\"https://example.com/product.jpg\"]}"
  }
}

Supported Media

Format	Type	Limit
JPG	Image	Up to 400 KB
GIF	Image	Up to 400 KB
PNG	Image	Up to 400 KB
MP3	Audio	Up to 400 KB
MP4	Video	Up to 400 KB

Important Notes

Only one image can be attached at a time, up to 400 KB
Media URLs must be absolute paths (e.g., https://example.com/image.jpg), not relative paths
Currently MMS can only be sent to Australia
The subject field is limited to 20 characters and ASCII characters only
Always ask the user which sender number to use if not specified
The sender must be a number assigned to their account