4399 Open Platform MCP for AI. Manage Game Backends: Orders, Users, & Leaderboards.
Works with every AI agent you already use
…and any MCP-compatible client








Connect to your AI in seconds.
4399 Open Platform MCP. Connect your AI agent directly to the leading Chinese game distribution ecosystem for full backend control.
Validate user logins, track real-time payment status, monitor global leaderboards, and filter content—all from a single workflow.
What your AI can do
Check sensitive words
Scans text content to filter out prohibited or sensitive terms defined by the platform policy.
Get game status
Checks and reports the current operational health status of the connected game project.
Get leaderboard
Fetches a list showing the names and scores of top-ranking players in a specific competition.
Verifies if a connected user's login session and access token are currently active.
Retrieves the current, real-time operational status of any specific game recharge or transaction order.
Fetches basic identifying and registration metadata for a given unique player ID (UID).
Scans text inputs, like role names or public chat messages, against a list of sensitive terms.
Fetches the current top players list or submits new performance records to global rankings.
Retrieves the current service health and operational state of the connected game project.
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4399 Open Platform: 9 Tools to Manage Your Game Data
These tools let you programmatically manage every major function of the game distribution platform, from payment tracking to user profiling.
Make your AI actually useful.
Add this MCP to Claude, Cursor, or Windsurf and your AI stops guessing. It gets real tools to look things up, take action, and handle the stuff you keep doing by hand.
Start using 4399 Open Platform on VinkiusCheck Sensitive Words
Scans text content to filter out prohibited or sensitive terms defined by the platform policy.
Get Game Status
Checks and reports the current operational health status of the connected game...
Get Leaderboard
Fetches a list showing the names and scores of top-ranking players in a specific...
Get Server Time
Retrieves the accurate, current timestamp used by the 4399 platform servers.
Get User Info
Gathers and reports basic profile details for a specific user ID (UID).
List Friends
Retrieves the list of friends associated with a given 4399 platform user.
Query Order
Checks the current status and details for any specific payment or recharge order ID.
Submit Score
Sends a new score record to be added to an existing global leaderboard.
Validate Login
Verifies if a user's provided login session and access token are legitimate and...
Security and governance baked right in.
Pick your AI client below to get set up. Just create a Vinkius account, subscribe, and you're instantly up and running. We handle the entire backend infrastructure, delivering out-of-the-box support for HTTPS Streamable, SSE, and OAuth2—zero messy routing required.
Choose How to Get Started
Build a custom MCP for your own tools, or connect a ready-made integration from our catalog.
Build Your Own
Turn any API into an MCP. Import a spec, define Agent Skills, or deploy with MCPFusion.
- Import from OpenAPI, Swagger, or YAML specs
- Create Agent Skills with progressive disclosure
- Deploy to edge with MCPFusion framework
- Built in DLP, auth, and compliance on every call
- Real time usage dashboard and cost metering
- Publish to catalog or keep private
Make Your AI Do More
Start with 4399 Open Platform, then connect any of our 5,100+ other servers whenever your AI needs more. One click, no limits.
- Use this MCP plus 5,100+ others, all in one place
- Add new capabilities to your AI anytime you want
- Every connection is secured and compliant automatically
- Track usage and costs across all your servers
- Works with Claude, ChatGPT, Cursor, and more
- New servers added to the catalog every week
Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by 4399 Open Platform. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.
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Works with Claude, ChatGPT, Cursor, and more
The Model Context Protocol standardizes how applications expose capabilities to LLMs. Instead of operating in isolation, your AI gains direct access to external platforms, live data, and real-world actions through secure, standardized connections.
This connection provides 9 powerful capabilities that interface natively with Claude, ChatGPT, Cursor, and other compatible AI platforms. No middleware. No custom integration required.
Handling Game Transactions and User Data is a Messy Chore.
Today, managing game player data means clicking into the payment dashboard to check an order ID. Then, if that's fine, you have to jump over to the user profile tab to pull metadata. If you want friend lists or leaderboard scores, you open a third browser window and run yet another API call. It's a constant cycle of copying IDs, switching tabs, and hoping nothing breaks.
With this MCP, your agent handles it all in one go. You ask for the status of an order ID using `query_order`, and if that clears, you can immediately pull the user profile via `get_user_info`. Your workflow stays contained, fast, and reliable.
Validate User Logins with the validate_login tool.
Before running any other check—like checking scores or querying orders—you have to confirm the user is actually logged in. Manually, you'd check the session token against a separate authentication endpoint just to be sure nobody spoofed data. It's a necessary but tedious first step.
Now, your agent runs `validate_login`. This single call confirms the entire session state—it's fast and definitive. You get an immediate 'yes' or 'no,' letting you proceed with confidence.
What your AI can actually do with this
This MCP gives your agent deep access into the 4399 Open Platform, letting you manage critical server-side tasks for H5 and mobile games. Instead of jumping between multiple dashboards or relying on manual API calls, you let your AI client handle the heavy lifting. Need to know if a user session is legit? You can run validate_login instantly.
Tracking payments is simple too; use query_order to get real-time status for any recharge order. Want to check if new chat content violates policy? Just fire off check_sensitive_words. The platform also lets you pull basic user data with get_user_info, manage social connections via list_friends, or submit scores using submit_score and get_leaderboard.
When your agent handles this flow, it keeps everything automated. Vinkius makes connecting to complex systems like this straightforward, letting you build reliable game backends without the headache.
019d8463-2f2b-733c-8d62-cf0bb570a2aa Here's how it actually works
The bottom line is you get one unified command point for all 4399 platform features; no need to manage multiple APIs.
Subscribe to this MCP, then log into your 4399 Open Platform Console. Copy your AppKey (GameID) and Secret credentials.
Insert those keys into the configuration fields below. Your agent uses these credentials to connect directly to the platform's backend services.
You can now ask your AI client to perform complex tasks—like checking user info, querying order status, or validating a login—using natural language.
Who is this actually for?
Backend engineers who deal with payment reconciliation, live operations teams monitoring game integrity, and developers building custom management dashboards. If your job involves keeping complex, multi-service gaming logic running 24/7, this is for you.
Integrating payment checks (query_order), user validation (validate_login), and core platform features into custom services.
Monitoring leaderboard integrity, ensuring content compliance using check_sensitive_words, or checking overall game status with get_game_status.
Automating server-to-server validation and handling user profile data retrieval for new features.
What Changes When You Connect
Automate payment reconciliation. Instead of manually checking transaction logs, you can use query_order to get the real-time status for any recharge or order ID.
Maintain content integrity. When a user tries to chat or set a role name, use check_sensitive_words to automatically filter out prohibited terms before they hit the live server.
Simplify user management. You don't need separate endpoints; you can pull basic player details with get_user_info, check their friends list via list_friends, and confirm active sessions using validate_login.
Keep track of performance. Need to know who’s winning? Use get_leaderboard to fetch the top players, or use submit_score to instantly record a new high score.
Reduce complexity with one source. Instead of juggling multiple APIs for user data and payments, this MCP centralizes all core 4399 functions into one repeatable workflow.
See it in action
A player submits a new high score.
The agent catches the submission. It first calls get_server_time to timestamp the event, then uses submit_score to post the record to the board, and finally runs get_leaderboard to confirm the user's new rank.
A payment fails or is delayed.
The ops engineer asks the agent about a transaction ID. The agent immediately uses query_order to pull up the full status, letting them know if the failure was due to insufficient funds or an internal processing delay.
A user account is suspected of cheating.
The team wants to audit the account. They use get_user_info to pull metadata and then run list_friends to see who the suspect was communicating with right before the suspicious activity.
A new chat feature is rolled out.
The developer runs a pre-check. They feed sample text into check_sensitive_words and confirm that all potential offensive words are flagged, preventing any policy violations before launch.
The honest tradeoffs
Calling APIs sequentially
The agent runs get_user_info, gets the UID, then uses that UID to run list_friends. If any step fails or times out, the whole process stops and requires manual debugging.
Build a single workflow. Let your AI client orchestrate these calls together: first validate the user with validate_login, then use the resulting ID in one call that pulls both profile info (get_user_info) and friend data (list_friends).
Hardcoding Credentials
A developer puts the 4399 AppKey directly into a script's environment variables, making it hard to update or audit.
The MCP handles credentials securely. You only need to provide your platform-specific keys during setup; everything else happens through the agent's secure connection.
Treating all tools as read-only
Only running get_leaderboard when you should actually be confirming a score submission. You miss a critical data update.
Remember that some functions, like submit_score, are write operations. Don't just query the board; use the tool to actively push new scores.
When It Fits, When It Doesn't
Use this MCP if your core problem revolves around managing game state—specifically user authentication, transactions, or competitive rankings within the 4399 ecosystem. If you need to know 'who's logged in,' 'if payment cleared,' or 'what the top score is,' use it. Don't use this if your goal is general database CRUD operations (create records or read unstructured data); for that, look at a generic enterprise API gateway tool instead. Also, note that get_user_info provides basic profiles; don't assume it has access to every piece of user-generated content—for chat history, you need a dedicated messaging service MCP.
Questions you might have
How do I check a payment status using query_order? +
You pass the specific order ID to query_order. The tool returns the current state, telling you if the transaction is 'pending,' 'completed,' or 'failed,' along with relevant amounts.
What kind of data does get_user_info provide? +
get_user_info pulls basic profile metadata for a UID. It's useful for getting registration details and general identifying information about the player.
Can I check content moderation using check_sensitive_words? +
Yes, check_sensitive_words scans any given text—like role names or chat messages—against a built-in list of prohibited terms. It flags the specific words that violate policy.
How do I submit scores using submit_score? +
You use submit_score and provide three things: the player ID, the score value, and optionally, a timestamp. The tool then pushes this data to the global leaderboard.
What is the difference between get_user_info and list_friends? +
get_user_info gives you details about one person's profile. list_friends requires a user ID and returns a roster of other UIDs that are connected to them.
What information does `validate_login` provide about a user's session? +
It confirms if a user is currently logged in and verifies their access token. The response tells your agent whether the session remains valid, often including an expiration time.
How do I check the general health of the platform using `get_game_status`? +
It returns a clear operational status code for the 4399 Platform. Use this tool first to ensure services are up before having your agent attempt payments or leader updates.
Can I filter which records appear when I run `get_leaderboard`? +
Yes, you pass specific criteria like player tiers or date ranges into the tool. This lets your agent pull highly filtered views instead of just fetching the overall top list.
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.
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