Snowtrace (Avalanche Explorer) MCP Server for LangChainGive LangChain instant access to 21 tools to Check Contract Execution Status, Check Transaction Receipt Status, Check Verify Status, and more

Name: Snowtrace (Avalanche Explorer)
Price: 29 USD
Availability: InStock
Rating: 0.2 (1 reviews)
Author: Vinkius

GDPR Free for Subscribers

LangChain is the leading Python framework for composable LLM applications. Connect Snowtrace (Avalanche Explorer) through Vinkius and LangChain agents can call every tool natively. combine them with retrievers, memory, and output parsers for sophisticated AI pipelines.

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The Snowtrace (Avalanche Explorer) MCP Server for LangChain is a standout in the Databases category — giving your AI agent 21 tools to work with, ready to go from day one.

Built for AI Agents by Vinkius

Vinkius delivers Streamable HTTP and SSE to any MCP client

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+ other MCP clients

python

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({
        "snowtrace-avalanche-explorer": {
            "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 Snowtrace (Avalanche Explorer), show me what tools are available.",
            }]
        })
        print(response["messages"][-1].content)

asyncio.run(main())

Fully ManagedVinkius Servers

60%Token savings

High SecurityEnterprise-grade

IAMAccess control

EU AI ActCompliant

DLPData protection

V8 IsolateSandboxed

Ed25519Audit chain

<40msKill switch

Stream every event to Splunk, Datadog, or your own webhook in real-time

* 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 Snowtrace (Avalanche Explorer) MCP Server

Connect to the Snowtrace explorer and bring real-time Avalanche blockchain data into your AI workflows. Monitor addresses, analyze transactions, and audit smart contracts without leaving your conversation.

LangChain's ecosystem of 500+ components combines seamlessly with Snowtrace (Avalanche Explorer) through native MCP adapters. Connect 21 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

Account Analytics — Retrieve AVAX balances for single or multiple addresses (up to 20) in a single request.
Transaction History — List normal and internal transactions for any wallet, including block ranges and sorting options.
Token Tracking — Monitor ERC-20 and ERC-721 (NFT) transfer events to track asset movements across the network.
Contract Inspection — Fetch verified source code and ABIs for smart contracts to understand protocol logic.
Network Stats — Access block rewards, total AVAX supply, and the latest price data directly from the chain.

The Snowtrace (Avalanche Explorer) MCP Server exposes 21 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 21 Snowtrace (Avalanche Explorer) tools available for LangChain

When LangChain connects to Snowtrace (Avalanche Explorer) through Vinkius, your AI agent gets direct access to every tool listed below — spanning avalanche-blockchain, block-explorer, smart-contracts, 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.

check

Check contract execution status on Snowtrace (Avalanche Explorer)

Check Contract Execution Status

check

Check transaction receipt status on Snowtrace (Avalanche Explorer)

Check Transaction Receipt Status

check

Check verify status on Snowtrace (Avalanche Explorer)

Check Verification Status

get

Get avax balance on Snowtrace (Avalanche Explorer)

Get AVAX Balance for a Single Address

get

Get avax balance multi on Snowtrace (Avalanche Explorer)

Get AVAX Balance for Multiple Addresses

get

Get avax last price on Snowtrace (Avalanche Explorer)

Get AVAX Last Price

get

Get avax total supply on Snowtrace (Avalanche Explorer)

Get Total Supply of AVAX

get

Get block countdown on Snowtrace (Avalanche Explorer)

Get Estimated Block Countdown

get

Get block number by time on Snowtrace (Avalanche Explorer)

Get Block Number by Timestamp

get

Get block reward on Snowtrace (Avalanche Explorer)

Get Block Rewards

get

Get contract abi on Snowtrace (Avalanche Explorer)

Get Contract ABI

get

Get contract source code on Snowtrace (Avalanche Explorer)

Get Contract Source Code

get

Get erc20 transfers on Snowtrace (Avalanche Explorer)

Get ERC-20 Token Transfer Events

get

Get erc721 transfers on Snowtrace (Avalanche Explorer)

Get ERC-721 (NFT) Token Transfer Events

get

Get internal transactions on Snowtrace (Avalanche Explorer)

Get Internal Transactions

get

Get logs on Snowtrace (Avalanche Explorer)

Get Logs

get

Get mined blocks on Snowtrace (Avalanche Explorer)

Get Blocks Mined by Address

get

Get normal transactions on Snowtrace (Avalanche Explorer)

Get Normal Transactions by Address

get

Get token balance on Snowtrace (Avalanche Explorer)

Get ERC-20 Token Balance for Address

get

Get token total supply on Snowtrace (Avalanche Explorer)

Get ERC-20 Token Total Supply

verify

Verify source code on Snowtrace (Avalanche Explorer)

Verify Source Code

Connect Snowtrace (Avalanche Explorer) to LangChain via MCP

Follow these steps to wire Snowtrace (Avalanche Explorer) into LangChain. The entire setup takes under two minutes — your credentials stay safe behind Vinkius.

Install dependencies

Run pip install langchain langchain-mcp-adapters langgraph langchain-openai

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token

Run the agent

Save the code and run python agent.py

Explore tools

The agent discovers 21 tools from Snowtrace (Avalanche Explorer) via MCP

Why Use LangChain with the Snowtrace (Avalanche Explorer) MCP Server

LangChain provides unique advantages when paired with Snowtrace (Avalanche Explorer) through the Model Context Protocol.

The largest ecosystem of integrations, chains, and agents. combine Snowtrace (Avalanche Explorer) 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 Snowtrace (Avalanche Explorer) queries for multi-turn workflows

Snowtrace (Avalanche Explorer) + LangChain Use Cases

Practical scenarios where LangChain combined with the Snowtrace (Avalanche Explorer) MCP Server delivers measurable value.

RAG with live data: combine Snowtrace (Avalanche Explorer) tool results with vector store retrievals for answers grounded in both real-time and historical data

Autonomous research agents: LangChain agents query Snowtrace (Avalanche Explorer), synthesize findings, and generate comprehensive research reports

Multi-tool orchestration: chain Snowtrace (Avalanche Explorer) tools with web scrapers, databases, and calculators in a single agent run

Production monitoring: use LangSmith to trace every Snowtrace (Avalanche Explorer) tool call, measure latency, and optimize your agent's performance

Example Prompts for Snowtrace (Avalanche Explorer) in LangChain

Ready-to-use prompts you can give your LangChain agent to start working with Snowtrace (Avalanche Explorer) immediately.

"What is the current AVAX balance of 0x742d35Cc6634C0532925a3b844Bc454e4438f44e?"

"Show me the last 5 ERC-20 transfers for wallet 0x123..."

"Get the ABI for the contract at 0x60ae616a2155ee3d9a68541ba4544862310933d4."

Troubleshooting Snowtrace (Avalanche Explorer) MCP Server with LangChain

Common issues when connecting Snowtrace (Avalanche Explorer) to LangChain through Vinkius, and how to resolve them.

MultiServerMCPClient not found

Install: pip install langchain-mcp-adapters

Snowtrace (Avalanche Explorer) + LangChain FAQ

Common questions about integrating Snowtrace (Avalanche Explorer) MCP Server with LangChain.

How does LangChain connect to MCP servers?

Use 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?

All agent types including ReAct, OpenAI Functions, and custom agents work with MCP tools. The tools appear as standard LangChain tools after the adapter wraps them.

Can I trace MCP tool calls in LangSmith?

Yes. All MCP tool invocations appear as traced steps in LangSmith, showing input parameters, response payloads, latency, and token usage.

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