Slybroadcast Voicemail

Send Slybroadcast ringless voicemail campaigns from OpenClaw/LLMs using CLI or MCP, including AI voice generation (ElevenLabs or generic HTTP voice API) and campaign controls.

Use this skill when the user wants to send one or many voicemail drops with Slybroadcast and optionally generate a voice recording from text.

Prerequisites

Required environment variables:

• SLYBROADCAST_UID (or SLYBROADCAST_EMAIL fallback)
• SLYBROADCAST_PASSWORD
• SLYBROADCAST_DEFAULT_CALLER_ID (or pass caller id explicitly)

For local-file or AI-generated audio, also set:

• SLYBROADCAST_PUBLIC_AUDIO_BASE_URL
• SLYBROADCAST_AUDIO_STAGING_DIR

For ElevenLabs voice generation:

• ELEVENLABS_API_KEY
• ELEVENLABS_TTS_VOICE_ID

CLI Commands

Run direct commands:

bash

npm --workspace @fub/slybroadcast-voicemail run dev:cli -- send --help

Common examples:

1. Existing account recording title:

bash

npm --workspace @fub/slybroadcast-voicemail run dev:cli -- send \
  --to "16173999981,16173999982" \
  --record-audio "My First Voice Message" \
  --caller-id "16173999980" \
  --campaign-name "Follow-up" \
  --schedule-at "now"

2. Public audio URL:

bash

npm --workspace @fub/slybroadcast-voicemail run dev:cli -- send \
  --to "16173999981" \
  --audio-url "https://example.com/voicemail.mp3" \
  --audio-type mp3 \
  --caller-id "16173999980"

3. ElevenLabs text-to-voice + send:

bash

npm --workspace @fub/slybroadcast-voicemail run dev:cli -- send \
  --to "16173999981" \
  --ai-text "Hi, this is your appointment reminder for tomorrow at 3 PM." \
  --ai-provider elevenlabs \
  --caller-id "16173999980"

4. Uploaded list on Slybroadcast platform:

bash

npm --workspace @fub/slybroadcast-voicemail run dev:cli -- send \
  --list-id 94454 \
  --record-audio "My First Voice Message" \
  --caller-id "16173999980"

MCP Tools

Start the MCP server:

bash

npm --workspace @fub/slybroadcast-voicemail run dev:mcp

Tool names:

• slybroadcast_voicemail_send
• slybroadcast_audio_list
• slybroadcast_phone_list
• slybroadcast_campaign_status
• slybroadcast_campaign_results
• slybroadcast_campaign_control
• slybroadcast_voice_generate

Notes

• Slybroadcast API delivery times are interpreted in Eastern Time and use 24-hour format (YYYY-MM-DD HH:MM:SS).
• Use one audio source per campaign request: account recording title, system audio file, public URL, local file, or AI text.
• Local and AI-generated files are staged first and must be publicly reachable for Slybroadcast to fetch.