LangChainFramework

ThirdWeb MCP Server

Bring Web3
to LangChain

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

Learn how to connect ThirdWeb to LangChain and start using 29 AI agent tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code.

GDPR Free for Subscribers

Broadcast Solana TransactionComplete AuthCreate Solana WalletDeploy ContractExecute Solana SwapFetch With PaymentGet Payment RequirementsGet Solana BalanceGet Solana Swap QuoteGet Transaction StatusGet User DetailsGet Wallet MeInitiate AuthLink ProfileList Solana WalletsList TransactionsPregenerate WalletQuery EventsQuery TransactionsRead ContractSend Raw TransactionsSend Solana TokensSettle PaymentSign Solana MessageSign Solana TransactionSocial AuthUnlink ProfileVerify PaymentWrite Contract

Unlock for AI Agents

Ask AI about this MCP Server ChatGPT Claude Perplexity

Compatible with every major AI agent and IDE

Claude

ChatGPT

Cursor

Gemini

Windsurf

VS Code

JetBrains

Vercel

+ other MCP clients

What is the 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.

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.

How it works

Subscribe to this server
Provide your ThirdWeb Secret Key and API URL
Start building Web3 workflows from your favorite MCP client

Who is this for?

Web3 Developers — Rapidly prototype contract interactions and test auth flows directly from the IDE.
DApp Operators — Manage user profiles and monitor contract events without custom scripts.
Product Managers — Query on-chain data and user details to understand platform activity.

Built-in capabilities (29)

broadcast_solana_transaction

Broadcast a transaction on Solana

complete_auth

Verify challenge and complete login

create_solana_wallet

Create a Solana wallet

deploy_contract

Deploy a contract using bytecode and ABI

execute_solana_swap

Execute a token swap on Solana Mainnet

fetch_with_payment

Proxy a request to a paid API using x402

get_payment_requirements

Generate payment requirements for a resource (x402)

get_solana_balance

Get Solana wallet balance

get_solana_swap_quote

Get a token swap quote on Solana Mainnet

get_transaction_status

Get status of a transaction

get_user_details

Search for users in your project

get_wallet_me

Retrieve details of the authenticated user

initiate_auth

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

link_profile

Tie multiple social identities to a single wallet address

list_solana_wallets

List Solana wallets

list_transactions

List transactions

pregenerate_wallet

Create a wallet for a user before they first log in

query_events

Fetch historical events for a contract

query_transactions

Fetch transaction history for a contract

read_contract

Execute one or more read-only calls (multicall)

send_raw_transactions

Broadcast encoded transactions

send_solana_tokens

Send Solana tokens

settle_payment

Submit the payment on-chain (x402)

sign_solana_message

Sign a message on Solana

sign_solana_transaction

Sign a transaction on Solana

social_auth

OAuth flow for social providers

unlink_profile

Unlink a social identity from a wallet address

verify_payment

Validate a signed payment payload (x402)

write_contract

Execute one or more state-changing calls atomically

Why LangChain?

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.

—
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

See it in action

ThirdWeb in LangChain

AI Agent→Vinkius

High Security·Kill Switch·Plug and Play

Why Vinkius

ThirdWeb and 4,000+ other MCP servers. One platform. One governance layer.

Teams that connect ThirdWeb to LangChain through Vinkius don't need to source, host, or maintain individual MCP servers. Every tool call runs inside a hardened runtime with credential isolation, DLP, and a signed audit chain.

4,000+MCP Servers ready

<40msCold start

60%Token savings

	Raw MCP	Vinkius
Server catalog	Find and host yourself	4,000+ managed
Infrastructure	Self-hosted	Sandboxed V8 isolates
Credential handling	Plaintext in config	Vault + runtime injection
Data loss prevention	None	Configurable DLP policies
Kill switch	None	Global instant shutdown
Financial circuit breakers	None	Per-server limits + alerts
Audit trail	None	Ed25519 signed logs
SIEM log streaming	None	Splunk, Datadog, Webhook
Honeytokens	None	Canary alerts on leak
Custom domains	Not applicable	DNS challenge verified
GDPR compliance	Manual effort	Automated purge + export

Unlock for AI Agents View step-by-step setup guide for LangChain →

Enterprise Security

Why teams choose Vinkius for ThirdWeb in LangChain

The ThirdWeb 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. All 29 tools execute in hardened sandboxes optimized for native MCP execution.

Your AI agents in LangChain only access the data you authorize, with DLP that blocks sensitive information from ever reaching the model, kill switch for instant shutdown, and up to 60% token savings. Enterprise-grade infrastructure, zero maintenance.

Unlock for AI Agents View full ThirdWeb details →

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

The Vinkius Advantage

How Vinkius secures
ThirdWeb for LangChain

Every tool call from LangChain to the ThirdWeb MCP Server is protected by DLP redaction, cryptographic audit chains, V8 sandbox isolation, kill switch, and financial circuit breakers.

< 40msCold start

Ed25519Signed audit chain

60%Token savings

FAQ

Frequently asked questions

Can I read data from a smart contract without paying gas?

Yes! Use the read_contract tool. It performs read-only calls (multicall) to the blockchain, which do not require gas or state changes.

How do I start an authentication flow for a new user?

You can use the initiate_auth tool by specifying the method (email, sms, etc.) and the user's identifier. Then, use complete_auth with the verification code to finish the login.

Can I find a user's profile if I only have their wallet address?

Absolutely. Use the get_user_details tool and provide the address parameter. The agent will return any associated user IDs, emails, or phone numbers linked to that wallet in your project.

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.