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The connector URL is https://mcp.rime.ai. The server speaks stateless Streamable HTTP, and both the root URL and https://mcp.rime.ai/mcp serve the MCP endpoint — use whichever your client expects. You can connect without any credentials to browse the voice catalog and generate integration code; add your API key to unlock synthesis and the linguistics tools. See Authentication.

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Claude Code

claude mcp add --transport http rime https://mcp.rime.ai \
  --header "Authorization: Bearer $RIME_API_KEY"
Omit the --header flag to connect without a key.

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Claude.ai and Claude Desktop

Add https://mcp.rime.ai as a custom connector: Settings → Connectors → Add custom connector.

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OpenAI Codex

codex mcp add rime --url https://mcp.rime.ai \
  --bearer-token-env-var RIME_API_KEY
Or add the server to ~/.codex/config.toml directly — the Codex IDE extension reads the same file: 
[mcp_servers.rime]
url = "https://mcp.rime.ai"
bearer_token_env_var = "RIME_API_KEY"
Codex reads the key from the RIME_API_KEY environment variable rather than storing it in the config. Omit --bearer-token-env-var (or the bearer_token_env_var line) to connect without a key.

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Other MCP clients

For clients that use a JSON configuration (Cursor, Windsurf, and others): 
{
  "mcpServers": {
    "rime": {
      "url": "https://mcp.rime.ai",
      "headers": {
        "Authorization": "Bearer YOUR_RIME_API_KEY"
      }
    }
  }
}

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Verify the connection

Ask your assistant to list Rime’s voices, or call list_voices directly — it needs no API key, so it confirms connectivity regardless of how you authenticated.