Retell AI

{
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "name": "io.github.mindstone/mcp-server-retell-ai",
  "description": "Retell AI MCP server: voice agent phone calls, agent management, LLMs, and voice discovery",
  "title": "Retell AI",
  "repository": {
    "url": "https://github.com/mindstone/mcp-servers",
    "source": "github",
    "subfolder": "connectors/retell-ai"
  },
  "version": "0.3.0",
  "packages": [
    {
      "registryType": "npm",
      "registryBaseUrl": "https://registry.npmjs.org",
      "identifier": "@mindstone/mcp-server-retell-ai",
      "version": "0.3.0",
      "runtimeHint": "npx",
      "transport": {
        "type": "stdio"
      },
      "environmentVariables": [
        {
          "description": "Retell AI API key (from retellai.com/dashboard)",
          "isRequired": true,
          "format": "string",
          "isSecret": true,
          "name": "RETELL_API_KEY"
        },
        {
          "description": "Optional workspace directory for local files uploaded as knowledge-base sources. File reads are sandboxed to this directory (defaults to the system temp directory when unset).",
          "format": "string",
          "name": "MCP_WORKSPACE_PATH"
        }
      ]
    }
  ],
  "_meta": {
    "io.modelcontextprotocol.registry/publisher-provided": {
      "com.mindstone.rebel": {
        "catalogId": "bundled-retell-ai",
        "provider": "rebel-oss"
      }
    }
  }
}