How do I format phone numbers for sending SMS?

Phone numbers must include the country code without the 00 prefix. For example: China uses 86 (e.g., 8615800000000), Brazil uses 55 (e.g., 5511999999999), US uses 1 (e.g., 12025551234). The number should be 5-20 digits total. For Chinese domestic SMS, the message must start with a registered signature like [YourBrand].

What's the difference between send_sms and send_international_sms tools?

The `send_sms` tool uses the standard SMS gateway (smssh.253.com) optimized for Chinese domestic messages and requires pre-registered templates and signatures. The `send_international_sms` tool uses the international gateway (intapi.253.com) for global delivery outside China, which supports SenderId and doesn't require Chinese-style signatures. International SMS permissions must be separately enabled in your account.

How does the MD5 signature authentication work?

The Chuanglan API uses MD5 signature authentication for security. Your password is NEVER sent in the request body. Instead, it's combined with the request parameters and timestamp (nonce), then hashed with MD5 to generate a `sign` header. The server validates this signature to ensure request integrity. The framework handles all signature generation automatically — you only need to provide your account and password.

Chuanglan 253 MCP Server for Google ADK 10 tools — connect in under 2 minutes

Name: Chuanglan 253
Availability: InStock
Author: Vinkius

google.github.io/adk-docs/tools/mcp-tools

Built by Vinkius GDPR 10 Tools SDK

Google Agent Development Kit (ADK) is Google's framework for building production AI agents. Add Chuanglan 253 as an MCP tool provider through Vinkius and your ADK agents can call every tool with full schema introspection.

Get MCP Server for AI Agents

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Vinkius supports streamable HTTP and SSE.

python

from google.adk.agents import Agent
from google.adk.tools.mcp_tool import McpToolset
from google.adk.tools.mcp_tool.mcp_session_manager import (
    StreamableHTTPConnectionParams,
)

# Your Vinkius token. get it at cloud.vinkius.com
mcp_tools = McpToolset(
    connection_params=StreamableHTTPConnectionParams(
        url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
    )
)

agent = Agent(
    model="gemini-2.5-pro",
    name="chuanglan_253_1_agent",
    instruction=(
        "You help users interact with Chuanglan 253 "
        "using 10 available tools."
    ),
    tools=[mcp_tools],
)

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Stream every event to Splunk, Datadog, or your own webhook in real-time

* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure

About Chuanglan 253 MCP Server

Connect your Chuanglan 253 SMS gateway to any AI agent and transform your communication workflows through natural conversation. Chuanglan (创蓝) is one of China's largest CPaaS providers, handling billions of SMS messages monthly for verification, notifications, and marketing.

Google ADK natively supports Chuanglan 253 as an MCP tool provider. declare Vinkius Edge URL and the framework handles discovery, validation, and execution automatically. Combine 10 tools with Gemini's long-context reasoning for complex multi-tool workflows, with production-ready session management and evaluation built in.

What you can do

Send SMS Messages — Deliver text messages to any phone number worldwide with country code support
Verification Codes — Send one-time passwords (OTP) for 1-click login flows and two-factor authentication
Voice Verification — Fallback to automated voice calls when SMS delivery is unreliable
Balance Monitoring — Check your SMS credit balance and quota in real-time before campaigns
Delivery Tracking — Query the status of individual messages or entire batches with message IDs
Template Management — List, create, and manage pre-approved SMS templates for compliance
Account Management — View account settings, permissions, and enabled features

The Chuanglan 253 MCP Server exposes 10 tools through the Vinkius. Connect it to Google ADK in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

How to Connect Chuanglan 253 to Google ADK via MCP

Follow these steps to integrate the Chuanglan 253 MCP Server with Google ADK.

Install Google ADK

Run pip install google-adk

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token

Create the agent

Save the code above and integrate into your ADK workflow

Explore tools

The agent will discover 10 tools from Chuanglan 253 via MCP

Why Use Google ADK with the Chuanglan 253 MCP Server

Google ADK provides unique advantages when paired with Chuanglan 253 through the Model Context Protocol.

Google ADK natively supports MCP tool servers. declare a tool provider and the framework handles discovery, validation, and execution

Built on Gemini models, ADK provides long-context reasoning ideal for complex multi-tool workflows with Chuanglan 253

Production-ready features like session management, evaluation, and deployment come built-in. not bolted on

Seamless integration with Google Cloud services means you can combine Chuanglan 253 tools with BigQuery, Vertex AI, and Cloud Functions

Chuanglan 253 + Google ADK Use Cases

Practical scenarios where Google ADK combined with the Chuanglan 253 MCP Server delivers measurable value.

Enterprise data agents: ADK agents query Chuanglan 253 and cross-reference results with internal databases for comprehensive analysis

Multi-modal workflows: combine Chuanglan 253 tool responses with Gemini's vision and language capabilities in a single agent

Automated compliance checks: schedule ADK agents to query Chuanglan 253 regularly and flag policy violations or configuration drift

Internal tool platforms: build self-service agent platforms where teams connect their own MCP servers including Chuanglan 253

Chuanglan 253 MCP Tools for Google ADK (10)

These 10 tools become available when you connect Chuanglan 253 to Google ADK via MCP:

create_template

The template must be approved before it can be used. Template content should include variable placeholders like {1}, {2} for dynamic content. Approval typically takes a few minutes to hours. Create a new SMS template in Chuanglan 253

get_account_info

). Get Chuanglan 253 account information and settings

get_sms_balance

Use this to monitor available messaging capacity before sending campaigns. Check SMS account balance on Chuanglan 253

query_batch_sms_status

This is useful for checking the status of bulk SMS campaigns where multiple messages were sent with the same tracking identifier. Query delivery status for a batch of SMS messages

query_sms_status

Returns whether the message was delivered, is pending, or failed, along with timestamps. Query delivery status of a specific SMS message

query_template_list

Templates are pre-approved message formats that can be used for sending. Each template has an ID, name, content, and approval status. List all SMS templates in your Chuanglan account

send_international_sms

The phone number must include the country code without 00 prefix (e.g., 5511999999999 for Brazil). This endpoint uses the international gateway and requires proper permissions. Send an international SMS message via Chuanglan 253

send_sms

The phone number must include the country code (e.g., 86 for China, 55 for Brazil). For Chinese domestic SMS, the message content must start with a signature in brackets like [YourBrand]. Returns submission status and message ID. Send an SMS message via Chuanglan 253 platform

send_verification_sms

This is commonly used for 1-click login flows, phone number verification, and two-factor authentication. The message format should follow the template registered in your account. Phone number must include country code. Send a verification code SMS (1-click login style)

send_voice_verification

This is an alternative to SMS verification, useful when SMS delivery fails or for enhanced security. The code will be spoken in the call. Send a voice verification call with a code

Example Prompts for Chuanglan 253 in Google ADK

Ready-to-use prompts you can give your Google ADK agent to start working with Chuanglan 253 immediately.

"Send a verification code 837462 to phone number 8615800000000."

"Check my SMS balance and account status."

"What's the delivery status of message ID 162575412960104448?"

Troubleshooting Chuanglan 253 MCP Server with Google ADK

Common issues when connecting Chuanglan 253 to Google ADK through the Vinkius, and how to resolve them.

McpToolset not found

Update: pip install --upgrade google-adk

Chuanglan 253 + Google ADK FAQ

Common questions about integrating Chuanglan 253 MCP Server with Google ADK.

How does Google ADK connect to MCP servers?

Import the MCP toolset class and pass the server URL. ADK discovers and registers all tools automatically, making them available to your agent's tool-use loop.

Can ADK agents use multiple MCP servers?

Yes. Declare multiple MCP tool providers in your agent configuration. ADK merges all tool schemas and the agent can call tools from any server in a single turn.

Which Gemini models work best with MCP tools?

Gemini 2.0 Flash and Pro models both support function calling required for MCP tools. Flash is recommended for latency-sensitive use cases, Pro for complex reasoning.