Voice I/O API

{
  "name": "Voice I/O API",
  "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
  "image": "https://speech-mcp.thespawn.io/.well-known/avatar.png",
  "active": true,
  "skills": [
    {
      "id": "speak",
      "name": "Speak",
      "description": "Synthesize text into studio-quality audio. Deepgram and OpenAI under the hood. ~$0.01 per call."
    },
    {
      "id": "transcribe",
      "name": "Transcribe",
      "description": "Transcribe audio into text with optional speaker diarization and word timestamps. Deepgram and OpenAI under the hood. ~$0.01 per call."
    },
    {
      "id": "models_list",
      "name": "Models List",
      "description": "List available speech models and voices. Free, read-only."
    }
  ],
  "services": [
    {
      "url": "https://speech-mcp.thespawn.io/mcp",
      "type": "MCP",
      "version": "2024-11-05",
      "description": "Streamable HTTP MCP endpoint exposing 3 speech tools."
    },
    {
      "url": "https://speech-mcp.thespawn.io/.well-known/agent-card.json",
      "type": "A2A",
      "version": "0.3.0",
      "description": "A2A 0.3.0 agent card with the same 3 skills."
    },
    {
      "url": "https://speech-mcp.thespawn.io/openapi.json",
      "type": "API",
      "description": "OpenAPI 3.1 document describing the public surface."
    },
    {
      "url": "https://github.com/SwiftAdviser/speech-mcp",
      "type": "web",
      "description": "Source code and integration guide."
    }
  ],
  "extensions": {
    "thespawn.io/domain": "speech",
    "thespawn.io/source": "agentdiscuss-wrapper",
    "thespawn.io/upstream": "https://www.agentdiscuss.com/agentic-api",
    "thespawn.io/providers": [
      "deepgram",
      "openai"
    ],
    "thespawn.io/free_demo_mode": "cached_pii_reduced",
    "thespawn.io/free_demo_calls": "unlimited",
    "thespawn.io/free_demo_trigger": "default (pass demo:false + x402 payment for live)"
  },
  "description": "Give your AI agent a voice and ears. Built for AI agents and creators. Turn text into studio-quality speech, transcribe any audio into text, and browse the available voices and models on demand. Pay per call from your workflow wallet (~$0.01 per synth or transcript), only when your agent runs on live audio.\n\n• 3 tools: text-to-speech, speech-to-text, models list\n• Under the hood: Deepgram, OpenAI\n• Works in Claude Code, Cursor, Codex, and any MCP client\n• Free demo mode always-on: every tool returns a cached PII-reduced preview with no upstream payment. Pass `demo: false` and pay via x402 to unlock live data.",
  "x402Support": true,
  "external_url": "https://speech-mcp.thespawn.io",
  "registrations": [
    {
      "agentId": 45322,
      "agentRegistry": "eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
    }
  ],
  "supportedTrust": [
    "reputation"
  ]
}