stt-mcp
MCP server for dTelecom real-time speech-to-text with x402 micropayments
In the AI payments ecosystem
stt-mcp is an early-stage JavaScript project in the AI payments / x402 ecosystem, focused on depin, mcp, real-time, speech-to-text. It currently has 1 GitHub stars and 0 forks, and sits alongside related tools like stt-client-python, awesome-x402, pinion-os, awesome-molt-ecosystem, agoragentic-integrations, EEP.
@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
License
MIT
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