How to Use the itch.io MCP in LangChain

Build custom game-data chains in LangChain by connecting your itch.io library to your agents.

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Connect itch.io MCP to LangChain

Create your Vinkius account to connect itch.io to LangChain and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup itch.io with LangChain

Ask AI about this MCP

ChatGPT

Claude

Perplexity

Chain your itch.io library data

Pipe your library directly into reasoning chains. When you call `get_user_games`, you get raw data that acts as the next link in your logic flow. Your agent parses this output to decide its next move. It turns static game lists into active decision points for your LangChain sequences.

Automate collection discovery for LangChain

Feed collection IDs into `get_collection_games` to pull specific game metadata. You can chain this with other APIs to cross-reference game details automatically. This MCP Server handles the handshake so your agent keeps moving. You define the sequence, and the tools keep the data flowing without manual input.

Verify your itch.io identity

Use `get_me` to confirm your session is live before running heavy chains. It provides your display name and profile URL to validate the connection. This keeps your LangChain agents running on the right account. If the connection drops, your agent knows exactly where the chain broke.

Setup guide

Set up itch.io MCP in LangChain

Prerequisites

Python 3.10+ installed
langchain-mcp-adapters + langgraph packages
Active Vinkius subscription with a valid endpoint token

1

Install dependencies
Run pip install langchain-mcp-adapters langgraph langchain-openai. The MCP adapters package converts MCP tools into native LangChain BaseTool objects.
2

Connect via HTTP transport
Use MultiServerMCPClient with "transport": "http" pointing to your Vinkius endpoint. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com.
3

Create a ReAct agent
Pass the discovered tools to create_react_agent() from LangGraph. The agent automatically routes itch.io tool calls through the MCP protocol.
4

Run with any LLM
Swap ChatOpenAI for ChatAnthropic, ChatGoogleGenerativeAI, or any LangChain-compatible model. The MCP tools work identically across all providers.

agent.py

from langchain_mcp_adapters.client import MultiServerMCPClient
from langgraph.prebuilt import create_react_agent
from langchain_openai import ChatOpenAI

async with MultiServerMCPClient({
    "itchio-mcp": {
        "transport": "http",
        "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
    }
}) as client:
    tools = client.get_tools()

    agent = create_react_agent(
        ChatOpenAI(model="gpt-4o"),
        tools,
    )
    result = await agent.ainvoke({
        "messages": "List recent itch.io transactions"
    })
    print(result["messages"][-1].content)

Get your connection token →

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by itch.io. 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.

Why Choose Vinkius

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Common questions about itch.io MCP in LangChain

Install the required adapters and point the client to the server endpoint. You provide your API key to authenticate the connection. Your agent then gains direct access to your account data.

Yes. The agent uses the tool to pull your list of collections first, then iterates through them to find specific games. It works best when you define a clear goal for the agent.

Your data remains local to your agent's session. The MCP Server acts as a bridge, and Vinkius manages the secure transport. No third party touches your credentials.

You update the server configuration to match the new schema. Since it runs as a standard MCP Server, your LangChain code stays isolated from the underlying API changes.

LangSmith tracks every tool call and its output. You can monitor exactly what the agent requested from itch.io and see if it retrieved the correct game info.

Use it with your favorite AI tools

Connect this server to Cursor, Claude, VS Code, and more.

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