@dtelecom/stt-mcp

MCP (Model Context Protocol) server for dTelecom real-time speech-to-text with x402 micropayments.

Lets AI assistants (Claude, Cursor, etc.) transcribe audio files using dTelecom STT — pay-per-use with USDC, no API keys needed.

Tools

Tool	Description
transcribe_file	Transcribe a WAV file (PCM16, 16kHz, mono) to text
stt_pricing	Get current pricing ($0.005/min)
stt_health	Check service health

Setup

1. Install

npm install -g @dtelecom/stt-mcp

2. Get a wallet

You need a private key with USDC. Either:

• EVM (Base): Ethereum private key (0x hex) with USDC on Base — MetaMask, etc.
• Solana: Solana private key (base58) with USDC on Solana — Phantom, Solflare, etc.

3. Configure your AI assistant

Claude Code (~/.claude.json):

{
  "mcpServers": {
    "dtelecom-stt": {
      "command": "dtelecom-stt-mcp",
      "env": {
        "DTELECOM_PRIVATE_KEY": "YOUR_PRIVATE_KEY"
      }
    }
  }
}

Claude Desktop (claude_desktop_config.json):

{
  "mcpServers": {
    "dtelecom-stt": {
      "command": "npx",
      "args": ["-y", "@dtelecom/stt-mcp"],
      "env": {
        "DTELECOM_PRIVATE_KEY": "YOUR_PRIVATE_KEY"
      }
    }
  }
}

Cursor (Settings > MCP Servers > Add):

{
  "dtelecom-stt": {
    "command": "npx",
    "args": ["-y", "@dtelecom/stt-mcp"],
    "env": {
      "DTELECOM_PRIVATE_KEY": "YOUR_PRIVATE_KEY"
    }
  }
}

4. Convert audio (if needed)

The tool accepts WAV files in PCM16 16kHz mono format. Convert with:

ffmpeg -i input.mp3 -ar 16000 -ac 1 -acodec pcm_s16le output.wav

Environment Variables

Variable	Required	Default	Description
DTELECOM_PRIVATE_KEY	Yes	—	EVM key (0x hex) or Solana key (base58)
DTELECOM_STT_URL	No	https://x402stt.dtelecom.org	STT service URL

Pricing

• $0.005/min, billed per session
• Minimum 5 minutes ($0.025)
• Paid in USDC on Base or Solana via x402 protocol
• No accounts, no API keys, no subscriptions

Links

• dTelecom STT Service
• TypeScript SDK
• x402 Protocol

License

MIT