Ucode MCP MCP server

The Ucode MCP server enables AI agents to autonomously rent virtual phone numbers for SMS verification and OTP retrieval. It supports agent billing via USDC on Base (x402), number rental, and SMS polling, allowing automated verification for services like WhatsApp, Google, and Telegram without human intervention.

Endpoint and access

No sign-in: your client connects and lists tools immediately, with no account or key.

No sign-inEndpoint checked 2026-10-05Operated by Ucode

MCP endpoint (Streamable HTTP)

https://mcp.ucodesim.com/mcp

Vendor documentation

What you can do with it

Rent virtual numbers for SMS verification
Poll for incoming SMS codes
Manage agent credits via USDC
Automate account QA testing

Tools advertised by the last live check:

ucode_render_home
ucode_render_services
ucode_welcome
ucode_session_status
ucode_panel_ping
ucode_agent_billing
ucode_instructions
ucode_help
ucode_connect
ucode_login_start
ucode_login_poll
ucode_authenticate
ucode_whoami
ucode_disconnect
ucode_sign_out
ucode_credits_status
ucode_render_credits
ucode_credit_packages
ucode_credit_gift_breakdown
ucode_credit_referral_stats
ucode_credit_referral_redeem
ucode_payments_stripe_prices
ucode_payments_stripe_create_checkout
ucode_payments_stripe_verify
ucode_payments_nowpayments_create
ucode_payments_nowpayments_status
ucode_credits_verify_app_store_purchase
ucode_services_catalog
ucode_sms_services
ucode_sms_countries
ucode_sms_prices
ucode_sms_summary
ucode_sms_service_detail
ucode_sms_rent_packages
ucode_sms_rent_with_credits
ucode_sms_rent_provider_direct
ucode_sms_active_rentals
ucode_sms_get_code
ucode_sms_cancel_rental
ucode_sms_refund_expired
ucode_sms_transactions
ucode_app_init_snapshot
ucode_find_numbers
ucode_agent_quote
ucode_agent_buy_credits
ucode_agent_rent
ucode_agent_check_sms
ucode_agent_wallet
ucode_agent_use_api_key
ucode_agent_cancel

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http ucode-mcp https://mcp.ucodesim.com/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add ucode-mcp --url https://mcp.ucodesim.com/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable ucode-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "ucode-mcp": {
      "url": "https://mcp.ucodesim.com/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "ucode-mcp": {
      "type": "streamableHttp",
      "url": "https://mcp.ucodesim.com/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start ucode-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "ucode-mcp": {
      "type": "http",
      "url": "https://mcp.ucodesim.com/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http ucode-mcp https://mcp.ucodesim.com/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "ucode-mcp": {
      "url": "https://mcp.ucodesim.com/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "ucode-mcp": {
      "serverUrl": "https://mcp.ucodesim.com/mcp"
    }
  }
}

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