ThirdWeb MCP Server for LangChainGive LangChain instant access to 29 tools to Broadcast Solana Transaction, Complete Auth, Create Solana Wallet, and more

Name: ThirdWeb
Price: 29 USD
Availability: InStock
Rating: 4.9 (1 reviews)
Author: Vinkius

GDPR Free for Subscribers

LangChain is the leading Python framework for composable LLM applications. Connect ThirdWeb 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 ThirdWeb MCP Server for LangChain is a standout in the Developer Tools category — giving your AI agent 29 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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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({
        "thirdweb": {
            "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 ThirdWeb, 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 ThirdWeb MCP Server

Connect your ThirdWeb account to any AI agent to build and manage Web3 applications through natural language. This server provides a comprehensive suite of tools for blockchain interaction and identity management.

LangChain's ecosystem of 500+ components combines seamlessly with ThirdWeb through native MCP adapters. Connect 29 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

Authentication & Identity — Handle email, SMS, social, and passkey logins. Link multiple social profiles to a single wallet address using initiate_auth and link_profile.
Wallet Management — Retrieve authenticated user details, search for users by address or email, and pre-generate wallets for new users via get_user_details and pregenerate_wallet.
Smart Contract Interaction — Execute read-only multicalls or state-changing transactions across any supported chain using read_contract and write_contract.
Event Monitoring — Query historical contract events with advanced filtering for data analysis using query_events.

The ThirdWeb MCP Server exposes 29 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 29 ThirdWeb tools available for LangChain

When LangChain connects to ThirdWeb through Vinkius, your AI agent gets direct access to every tool listed below — spanning web3, smart-contracts, wallet-management, 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.

broadcast

Broadcast solana transaction on ThirdWeb

Broadcast a transaction on Solana

complete

Complete auth on ThirdWeb

Verify challenge and complete login

create

Create solana wallet on ThirdWeb

Create a Solana wallet

deploy

Deploy contract on ThirdWeb

Deploy a contract using bytecode and ABI

execute

Execute solana swap on ThirdWeb

Execute a token swap on Solana Mainnet

fetch

Fetch with payment on ThirdWeb

Proxy a request to a paid API using x402

get

Get payment requirements on ThirdWeb

Generate payment requirements for a resource (x402)

get

Get solana balance on ThirdWeb

Get Solana wallet balance

get

Get solana swap quote on ThirdWeb

Get a token swap quote on Solana Mainnet

get

Get transaction status on ThirdWeb

Get status of a transaction

get

Get user details on ThirdWeb

Search for users in your project

get

Get wallet me on ThirdWeb

Retrieve details of the authenticated user

initiate

Initiate auth on ThirdWeb

Start authentication process for email, phone, passkey, or SIWE

link

Link profile on ThirdWeb

Tie multiple social identities to a single wallet address

list

List solana wallets on ThirdWeb

List Solana wallets

list

List transactions on ThirdWeb

List transactions

pregenerate

Pregenerate wallet on ThirdWeb

Create a wallet for a user before they first log in

query

Query events on ThirdWeb

Fetch historical events for a contract

query

Query transactions on ThirdWeb

Fetch transaction history for a contract

read

Read contract on ThirdWeb

Execute one or more read-only calls (multicall)

send

Send raw transactions on ThirdWeb

Broadcast encoded transactions

send

Send solana tokens on ThirdWeb

Send Solana tokens

settle

Settle payment on ThirdWeb

Submit the payment on-chain (x402)

sign

Sign solana message on ThirdWeb

Sign a message on Solana

sign

Sign solana transaction on ThirdWeb

Sign a transaction on Solana

social

Social auth on ThirdWeb

OAuth flow for social providers

unlink

Unlink profile on ThirdWeb

Unlink a social identity from a wallet address

verify

Verify payment on ThirdWeb

Validate a signed payment payload (x402)

write

Write contract on ThirdWeb

Execute one or more state-changing calls atomically

Connect ThirdWeb to LangChain via MCP

Follow these steps to wire ThirdWeb 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 29 tools from ThirdWeb via MCP

Why Use LangChain with the ThirdWeb MCP Server

LangChain provides unique advantages when paired with ThirdWeb through the Model Context Protocol.

The largest ecosystem of integrations, chains, and agents. combine ThirdWeb 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 ThirdWeb queries for multi-turn workflows

ThirdWeb + LangChain Use Cases

Practical scenarios where LangChain combined with the ThirdWeb MCP Server delivers measurable value.

RAG with live data: combine ThirdWeb tool results with vector store retrievals for answers grounded in both real-time and historical data

Autonomous research agents: LangChain agents query ThirdWeb, synthesize findings, and generate comprehensive research reports

Multi-tool orchestration: chain ThirdWeb tools with web scrapers, databases, and calculators in a single agent run

Production monitoring: use LangSmith to trace every ThirdWeb tool call, measure latency, and optimize your agent's performance

Example Prompts for ThirdWeb in LangChain

Ready-to-use prompts you can give your LangChain agent to start working with ThirdWeb immediately.

"Read the total supply of the contract 0x123... on chain 1."

"Start an email authentication for dev@example.com."

"Search for user details associated with address 0xAbc123..."

Troubleshooting ThirdWeb MCP Server with LangChain

Common issues when connecting ThirdWeb to LangChain through Vinkius, and how to resolve them.

MultiServerMCPClient not found

Install: pip install langchain-mcp-adapters

ThirdWeb + LangChain FAQ

Common questions about integrating ThirdWeb 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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