GetBlock (Web3 RPC Provider) MCP Server for LangChainGive LangChain instant access to 26 tools to Btc Analyzepsbt, Btc Createpsbt, Btc Getbestblockhash, and more
LangChain is the leading Python framework for composable LLM applications. Connect GetBlock (Web3 RPC Provider) through Vinkius and LangChain agents can call every tool natively. combine them with retrievers, memory, and output parsers for sophisticated AI pipelines.
Ask AI about this MCP Server for LangChain
The GetBlock (Web3 RPC Provider) MCP Server for LangChain is a standout in the Developer Tools category — giving your AI agent 26 tools to work with, ready to go from day one.
Vinkius delivers Streamable HTTP and SSE to any MCP client
import asyncio
from langchain_mcp_adapters.client import MultiServerMCPClient
from langchain_openai import ChatOpenAI
from langgraph.prebuilt import create_react_agent
async def main():
# Your Vinkius token. get it at cloud.vinkius.com
async with MultiServerMCPClient({
"getblock-web3-rpc-provider": {
"transport": "streamable_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,
)
response = await agent.ainvoke({
"messages": [{
"role": "user",
"content": "Using GetBlock (Web3 RPC Provider), show me what tools are available.",
}]
})
print(response["messages"][-1].content)
asyncio.run(main())
* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure
About GetBlock (Web3 RPC Provider) MCP Server
Connect your GetBlock account to any AI agent and interact with dozens of blockchain protocols through natural conversation. GetBlock provides high-performance RPC node access for developers and crypto enthusiasts.
LangChain's ecosystem of 500+ components combines seamlessly with GetBlock (Web3 RPC Provider) through native MCP adapters. Connect 26 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.
What you can do
- Multi-Chain Queries — Fetch data from Ethereum, Solana, Bitcoin, and 50+ other supported networks using specialized tools.
- Account & Balance Tracking — Check native balances and token holdings across different chains (e.g.,
eth_get_balance,sol_get_balance). - Blockchain Inspection — Retrieve block details, transaction receipts, and blockchain metadata (e.g.,
eth_block_number,btc_get_blockchain_info). - Advanced Debugging — Access deep transaction traces and call simulations to analyze smart contract behavior (e.g.,
debug_trace_transaction). - Generic RPC Access — Use the
rpc_calltool to execute any JSON-RPC method supported by the GetBlock nodes.
The GetBlock (Web3 RPC Provider) MCP Server exposes 26 tools through the Vinkius. Connect it to LangChain in under two minutes — credentials fully managed, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.
All 26 GetBlock (Web3 RPC Provider) tools available for LangChain
When LangChain connects to GetBlock (Web3 RPC Provider) through Vinkius, your AI agent gets direct access to every tool listed below — spanning rpc-nodes, web3, blockchain-infrastructure, and more. Every call runs in a secure, isolated environment with full audit visibility. Beyond a simple connection, you get real-time monitoring of agent activity, enterprise governance, and optimized token usage.
Btc analyzepsbt on GetBlock (Web3 RPC Provider)
Analyze and provide information about a PSBT
Btc createpsbt on GetBlock (Web3 RPC Provider)
Create a transaction in the Partially Signed Bitcoin Transaction format
Btc getbestblockhash on GetBlock (Web3 RPC Provider)
Get the hash of the best (tip) block
Btc getblockchaininfo on GetBlock (Web3 RPC Provider)
Get an object containing various state info regarding blockchain processing
Btc getblockcount on GetBlock (Web3 RPC Provider)
Get the number of blocks in the longest blockchain
Btc sendrawtransaction on GetBlock (Web3 RPC Provider)
Submit raw transaction (serialized, hex-encoded) to local node and network
Debug trace block by number on GetBlock (Web3 RPC Provider)
Get traces for all transactions in a block
Debug trace call on GetBlock (Web3 RPC Provider)
Run an eth_call within the context of the given block execution
Debug trace transaction on GetBlock (Web3 RPC Provider)
Get all traces of a given transaction
Eth accounts on GetBlock (Web3 RPC Provider)
Get a list of addresses owned by client
Eth block number on GetBlock (Web3 RPC Provider)
Get the number of the most recent block
Eth call on GetBlock (Web3 RPC Provider)
Execute a new message call immediately without creating a transaction
Eth estimate gas on GetBlock (Web3 RPC Provider)
Estimate gas necessary to allow the transaction to complete
Eth get balance on GetBlock (Web3 RPC Provider)
Get the balance of an Ethereum account
Eth get block by hash on GetBlock (Web3 RPC Provider)
Get information about a block by hash
Eth get block by number on GetBlock (Web3 RPC Provider)
Get information about a block by block number
Eth get code on GetBlock (Web3 RPC Provider)
Get code at a given address
Eth get transaction by hash on GetBlock (Web3 RPC Provider)
Get information about a transaction by hash
Eth get transaction receipt on GetBlock (Web3 RPC Provider)
Get the receipt of a transaction by hash
Rpc call on GetBlock (Web3 RPC Provider)
Execute any generic JSON-RPC method via GetBlock
Sol get account info on GetBlock (Web3 RPC Provider)
Get all information associated with the account of provided Pubkey
Sol get balance on GetBlock (Web3 RPC Provider)
Get the balance of the provided Pubkey
Sol get latest blockhash on GetBlock (Web3 RPC Provider)
Get the latest blockhash from the ledger
Sol get token account balance on GetBlock (Web3 RPC Provider)
Get the token balance of an SPL Token account
Sol get transaction on GetBlock (Web3 RPC Provider)
Get transaction details for a confirmed transaction signature
Sol send transaction on GetBlock (Web3 RPC Provider)
Submit a signed transaction to the cluster for processing
Connect GetBlock (Web3 RPC Provider) to LangChain via MCP
Follow these steps to wire GetBlock (Web3 RPC Provider) into LangChain. The entire setup takes under two minutes — your credentials stay safe behind Vinkius.
Install dependencies
pip install langchain langchain-mcp-adapters langgraph langchain-openaiReplace the token
[YOUR_TOKEN_HERE] with your Vinkius tokenRun the agent
python agent.pyExplore tools
Why Use LangChain with the GetBlock (Web3 RPC Provider) MCP Server
LangChain provides unique advantages when paired with GetBlock (Web3 RPC Provider) through the Model Context Protocol.
The largest ecosystem of integrations, chains, and agents. combine GetBlock (Web3 RPC Provider) MCP tools with 500+ LangChain components
Agent architecture supports ReAct, Plan-and-Execute, and custom strategies with full MCP tool access at every step
LangSmith tracing gives you complete visibility into tool calls, latencies, and token usage for production debugging
Memory and conversation persistence let agents maintain context across GetBlock (Web3 RPC Provider) queries for multi-turn workflows
GetBlock (Web3 RPC Provider) + LangChain Use Cases
Practical scenarios where LangChain combined with the GetBlock (Web3 RPC Provider) MCP Server delivers measurable value.
RAG with live data: combine GetBlock (Web3 RPC Provider) tool results with vector store retrievals for answers grounded in both real-time and historical data
Autonomous research agents: LangChain agents query GetBlock (Web3 RPC Provider), synthesize findings, and generate comprehensive research reports
Multi-tool orchestration: chain GetBlock (Web3 RPC Provider) tools with web scrapers, databases, and calculators in a single agent run
Production monitoring: use LangSmith to trace every GetBlock (Web3 RPC Provider) tool call, measure latency, and optimize your agent's performance
Example Prompts for GetBlock (Web3 RPC Provider) in LangChain
Ready-to-use prompts you can give your LangChain agent to start working with GetBlock (Web3 RPC Provider) immediately.
"What is the current Ethereum block height?"
"Check the ETH balance for address 0x742d35Cc6634C0532925a3b844Bc454e4438f44e."
"Get the latest Bitcoin blockchain info."
Troubleshooting GetBlock (Web3 RPC Provider) MCP Server with LangChain
Common issues when connecting GetBlock (Web3 RPC Provider) to LangChain through Vinkius, and how to resolve them.
MultiServerMCPClient not found
pip install langchain-mcp-adaptersGetBlock (Web3 RPC Provider) + LangChain FAQ
Common questions about integrating GetBlock (Web3 RPC Provider) MCP Server with LangChain.
How does LangChain connect to MCP servers?
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?
Can I trace MCP tool calls in LangSmith?
Explore More MCP Servers
View all →
BugHerd
10 toolsManage BugHerd projects, tasks, and comments through AI Agents.

Chameleon.io
8 toolsManage product adoption and onboarding via Chameleon — trigger tours, analyze surveys, and track user events directly from any AI agent.

Arize AI
6 toolsMonitor ML model performance, detect data drift, and troubleshoot prediction quality with real-time observability dashboards.

Elsevier ScienceDirect
9 toolsAccess millions of scientific, technical, and medical research articles and book chapters directly from your AI agent.
