Bring 4399 Platform
to LangChain
Create your Vinkius account to connect 4399 Open Platform to LangChain and start using all 9 AI tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code. No hosting, no server setup — just connect and start using.
Compatible with every major AI agent and IDE
What is the 4399 Open Platform MCP Server?
Connect your AI agents to the 4399 Open Platform (4399开放平台), the leading ecosystem for game distribution in China. This MCP provides 10 tools to automate server-side validation, payment tracking, and community features for H5 and mobile games.
What you can do
- Authentication — Validate user sessions and access tokens returned by the client-side SDK
- Payment Tracking — Query real-time status for recharge orders and transaction details
- User Profiling — Retrieve basic player information and registration metadata for specific UIDs
- Game Integrity — Use the sensitive words API to filter prohibited content in role names and chat
- Social & Competitive — Manage global leaderboards, submit scores, and list user social circles
How it works
- Subscribe to this server
- Log in to the 4399 Open Platform Console
- Navigate to Game Management and select your active project
- Copy your AppKey (GameID) and Secret
- Insert your credentials into the fields below to start orchestrating your game distribution backend.
Who is this for?
- Game Developers — automate server-to-server validation and payment reconciliation
- Live Ops Teams — monitor leaderboard integrity and player social trends
- Backend Engineers — integrate 4399 platform features into custom management dashboards
Built-in capabilities (9)
Filter content for prohibited or sensitive terms
Check current operational status of the game
Fetch the top players list
Get the current 4399 server timestamp
Retrieve basic profile for a user
List friends for a 4399 user
Check the status of a payment order
Submit a new record to a leaderboard
Verify a user login session
Why LangChain?
LangChain's ecosystem of 500+ components combines seamlessly with 4399 Open Platform through native MCP adapters. Connect 9 tools via Vinkius and use ReAct agents, Plan-and-Execute strategies, or custom agent architectures. with LangSmith tracing giving full visibility into every tool call, latency, and token cost.
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The largest ecosystem of integrations, chains, and agents. combine 4399 Open Platform MCP tools with 500+ LangChain components
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Agent architecture supports ReAct, Plan-and-Execute, and custom strategies with full MCP tool access at every step
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LangSmith tracing gives you complete visibility into tool calls, latencies, and token usage for production debugging
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Memory and conversation persistence let agents maintain context across 4399 Open Platform queries for multi-turn workflows
4399 Open Platform in LangChain
Why run 4399 Open Platform with Vinkius?
The 4399 Open Platform connection runs on our fully managed, secure cloud infrastructure. We handle the hosting, maintenance, and security so you don't have to deal with servers or code. All 9 tools are ready to work instantly without any complex setup.
You stay in complete control of your data. Your AI only accesses the information you approve, keeping your sensitive passwords and private details completely safe. Plus, with automatic optimizations, your AI works faster and more efficiently.

* Every connection is hosted and maintained by Vinkius. We handle the security, updates, and infrastructure so you don't have to write code or manage servers. See our infrastructure
Over 4,000 integrations ready for AI agents
Explore a vast library of pre-built integrations, optimized and ready to deploy.
Connect securely in under 30 seconds
Generate tokens to authenticate and link external services in a single step.
Complete visibility into every agent action
Audit live requests, latency, success rates, and active security compliance policies.
Optimize spending and track token ROI
Analyze real-time token consumption and cost metrics detailed by connection.




Explore our live AI Agents Analytics dashboard to see it all working
This dashboard is included when you connect 4399 Open Platform using Vinkius. You will never be left in the dark about what your AI agents are doing with your tools.
4399 Open Platform and 4,000+ other AI tools. No hosting, no code, ready to use.
Professionals who connect 4399 Open Platform to LangChain through Vinkius don't need to write code, manage servers, or worry about security. Everything is pre-configured, secure, and runs automatically in the background.
Raw MCP | Vinkius | |
|---|---|---|
| Ready-to-use MCPs | Find and configure each manually | 4,000+ MCPs ready to use |
| Connection Setup | Manual coding & server setup | 1-click instant connection |
| Server Hosting | You host it yourself (needs 24/7 uptime) | 100% hosted & managed by Vinkius |
| Security & Privacy | Stored in plaintext config files | Bank-grade encrypted vault |
| Activity Visibility | Blind execution (no logs or tracking) | Live dashboard with real-time logs |
| Cost Control | Runaway AI token spend risk | Automatic budget limits |
| Revoking Access | Must delete files or code to stop | 1-click disconnect button |
How Vinkius secures
4399 Open Platform for LangChain
Every request between LangChain and 4399 Open Platform is protected by our secure gateway. We automatically keep your sensitive data private, prevent unauthorized access, and let you disconnect instantly at any time.
Frequently asked questions
How do I validate a user login token from my backend?
Use the validate_login tool with the user's uid and the access_token provided by the 4399 SDK. The agent will confirm if the session is legitimate and return the authentication code.
Can I check the status of a specific payment order?
Yes! Use the query_order tool with the 4399 order ID. Your agent will retrieve the transaction status, amount, and timestamp from the payment gateway.
Does it support high score submission?
Yes! The submit_score tool allows your agent to update the high score for a specific user ID on the configured 4399 leaderboard.
How does LangChain connect to MCP servers?
Use langchain-mcp-adapters to create an MCP client. LangChain discovers all tools and wraps them as native LangChain tools compatible with any agent type.
Which LangChain agent types work with MCP?
All agent types including ReAct, OpenAI Functions, and custom agents work with MCP tools. The tools appear as standard LangChain tools after the adapter wraps them.
Can I trace MCP tool calls in LangSmith?
Yes. All MCP tool invocations appear as traced steps in LangSmith, showing input parameters, response payloads, latency, and token usage.
MultiServerMCPClient not found
Install: pip install langchain-mcp-adapters
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