How to Use the CardanoScan (Cardano Block Explorer API) MCP in OpenAI Agents SDK

Q: Can the OpenAI Agents SDK track specific Cardano wallets using this CardanoScan (Cardano Block Explorer API)?

Yes. Your agent calls getaddress to read the current balance and staked status. It can also pull the full history of incoming and outgoing transfers using listaddresstransactions.

Connect the CardanoScan MCP Server to your OpenAI Agents SDK system to validate on-chain transactions and monitor stake pools.

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Connect CardanoScan (Cardano Block Explorer API) MCP to OpenAI Agents SDK

Create your Vinkius account to connect CardanoScan (Cardano Block Explorer API) to OpenAI Agents SDK 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 CardanoScan (Cardano Block Explorer API) with OpenAI Agents SDK

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Trace Cardano Transactions with OpenAI Agents SDK

The `get_transaction` tool pulls raw hex data and confirmation counts for any Cardano transaction hash straight into your agent. Your system reads the exact inputs and outputs using `get_transaction_utxos` to verify fund movement before executing downstream logic. Handoffs between specialized agents work better when they share verified on-chain state. One agent monitors a wallet via `list_address_transactions`, while a separate compliance agent checks specific asset transfers using `list_asset_transactions`.

Query Stake Pools via MCP Server

The `list_pools` tool feeds your agent a paginated index of registered Cardano stake pools. You can map network decentralization metrics by pulling specific operator margins and pledge amounts through `get_pool`. Production agents need reliable epoch boundaries to calculate rewards. Using `get_latest_epoch` combined with `get_epoch`, your system triggers automated payout scripts the exact minute a boundary crosses, backed by OpenAI's execution guardrails.

Monitor Native Assets and Blocks

The `get_asset` tool fetches minting policies and total supply for specific Cardano tokens. Your agent checks this data against expected issuance schedules before approving token burns or mints. Chain synchronization checks rely on `get_latest_blocks` to confirm network height. When an agent needs deep historical context, it calls `get_block` by hash to audit past state changes with full tracing visible in your OpenAI dashboard.

Setup guide

Set up CardanoScan (Cardano Block Explorer API) MCP in OpenAI Agents SDK

Prerequisites

Python 3.10+ installed
openai-agents package (pip install openai-agents)
Active Vinkius subscription with a valid endpoint token

1

Install the SDK

Run pip install openai-agents to install the OpenAI Agents SDK. The MCP integration is built-in — no extra dependencies needed.
2

Connect via SSE transport

Use MCPServerSse with your Vinkius endpoint URL. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. The SDK auto-discovers all CardanoScan (Cardano Block Explorer API) tools at runtime.
3

Create your Agent

Pass the MCP to Agent(mcp_servers=[server]). The agent receives CardanoScan (Cardano Block Explorer API) tools as native definitions — JSON schemas resolve automatically.
4

Run the agent

Call Runner.run(agent, prompt) to execute. The agent invokes the appropriate CardanoScan (Cardano Block Explorer API) tools and returns structured results. Copy the full example on the right to get started.

agent.py

import asyncio
from agents import Agent, Runner
from agents.mcp import MCPServerSse

async def main():
    async with MCPServerSse(
        url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    ) as server:
        agent = Agent(
            name="CardanoScan (Cardano Block Explorer API) Agent",
            instructions="You have access to CardanoScan (Cardano Block Explorer API) tools.",
            mcp_servers=[server],
        )
        result = await Runner.run(agent, "List recent transactions")
        print(result.final_output)

asyncio.run(main())

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Common questions about CardanoScan (Cardano Block Explorer API) MCP in OpenAI Agents SDK

Pass it directly to your Agent constructor. You instantiate `MCPServerStreamableHttp` with the Vinkius endpoint URL and include it in your `mcp_servers` array. Set `cacheToolsList=True` to speed up initialization.

Yes. Your agent calls `get_address` to read the current balance and staked status. It can also pull the full history of incoming and outgoing transfers using `list_address_transactions`.

The built-in guardrails catch the error before execution continues. If `get_transaction` returns a null result or an invalid hash format, your agent halts the workflow and logs the failure in the OpenAI tracing dashboard.

Vinkius handles the underlying authentication. You just need your single endpoint token for the MCP Server connection. The agent auto-discovers the tools without any extra configuration.

The server only reads public on-chain data like UTXOs, transaction hashes, and stake pool IDs. Vinkius runs the query in an ephemeral V8 Isolate sandbox that terminates immediately after returning the blockchain state, leaving zero residual memory.

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