How to Use the BlockCypher (Multi-chain Blockchain Developer API) MCP in Google ADK

Q: How do I configure the BlockCypher (Multi-chain Blockchain Developer API) inside Google ADK?

Use McpToolset with StreamableHttpServerParameters pointing to your Vinkius MCP Server URL. Pass this toolset directly into your LlmAgent constructor to expose the tools to Gemini.

Q: Can Google ADK agents analyze smart contracts using the BlockCypher (Multi-chain Blockchain Developer API)?

Yes, your agent can call callethcontractmethod to read state variables from live contracts. This lets Gemini analyze the returned hex data alongside your existing cloud database records.

Connect Google ADK agents to live blockchain data to combine BigQuery analytics with active ledger queries.

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Connect BlockCypher (Multi-chain Blockchain Developer API) MCP to Google ADK

Create your Vinkius account to connect BlockCypher (Multi-chain Blockchain Developer API) to Google ADK 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 BlockCypher (Multi-chain Blockchain Developer API) with Google ADK

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Run deep blockchain reasoning with Google ADK

Your Google ADK agent uses `get_block_by_hash` and `get_block_by_height` to pull massive chunks of block data directly into Gemini's million-token context window. The agent can correlate thousands of transactions in a single prompt without running out of memory. This setup lets you cross-reference live transaction histories from `get_transaction` with historical cold data stored in your Google Cloud BigQuery datasets. You get real-time verification combined with deep historical analysis.

Test multi-chain logic on sandbox networks

The `fund_bcy_test_address` and `fund_beth_test_address` tools let your developer agents spin up test addresses and fund them instantly. Your agent can execute end-to-end testing of payment flows inside a secure sandbox before touching mainnet funds. Because the Google ADK handles tool execution natively, your agent can automatically verify the funded balance using `get_address_balance`. It handles the entire testing lifecycle without manual terminal commands.

Track live address activity using the MCP Server

This MCP Server exposes `get_address` to let your agent inspect transaction references and current balances on demand. The agent can monitor active wallets and feed this data directly into downstream Vertex AI pipelines. You can restrict access to sensitive write tools by passing a filtered list to your `McpToolset` configuration. This ensures your read-only analytics agents can only look up balances and block metadata.

Setup guide

Set up BlockCypher (Multi-chain Blockchain Developer API) MCP in Google ADK

Prerequisites

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

1

Install Google ADK

Run pip install google-adk to install the Agent Development Kit. MCP support is included via the McpToolset class.
2

Connect via SSE transport

Use McpToolset.from_server() with SseServerParams pointing to your Vinkius endpoint. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com.
3

Create an LlmAgent

Pass the returned mcp_tools list directly to LlmAgent(tools=mcp_tools). The ADK maps each MCP tool to a native Gemini function call — no manual schema definitions required.
4

Run with any Gemini model

The agent works with any Gemini model (gemini-2.0-flash, gemini-2.5-pro, etc.). Copy the full example on the right to get started with BlockCypher (Multi-chain Blockchain Developer API) tools in your ADK agent.

agent.py

from google.adk.agents import LlmAgent
from google.adk.tools.mcp_tool.mcp_toolset import McpToolset
from google.adk.tools.mcp_tool.mcp_session_manager import SseServerParams

# Connect to the MCP via SSE
mcp_tools, exit_stack = await McpToolset.from_server(
    connection_params=SseServerParams(
        url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    )
)

# Create your agent with auto-discovered tools
agent = LlmAgent(
    name="BlockCypher (Multi-chain Blockchain Developer API)_agent",
    model="gemini-2.0-flash",
    instruction="You have access to BlockCypher (Multi-chain Blockchain Developer API) tools via MCP.",
    tools=mcp_tools,
)

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Common questions about BlockCypher (Multi-chain Blockchain Developer API) MCP in Google ADK

Use `McpToolset` with `StreamableHttpServerParameters` pointing to your Vinkius MCP Server URL. Pass this toolset directly into your `LlmAgent` constructor to expose the tools to Gemini.

Yes, your agent can call `call_eth_contract_method` to read state variables from live contracts. This lets Gemini analyze the returned hex data alongside your existing cloud database records.

This MCP Server integration supports both standard Stdio and streamable HTTP transports. For cloud-deployed Google ADK agents, the HTTP transport provides a stable, persistent connection to the blockchain API.

Yes, you can use the optional tool name filter in the ADK toolset configuration. This prevents the model from attempting to run write commands like `create_eth_contract`.

Your API tokens and queried blockchain addresses are processed in an ephemeral, zero-trust V8 sandbox. This prevents credential leakage while allowing your agent to request secure data from the blockchain network.

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