Compatible with every major AI agent and IDE
What is the Tatum (Blockchain Infra) MCP Server?
Connect your Tatum account to any AI agent to streamline blockchain infrastructure management. Access real-time data, gas estimates, and portfolio tracking across 40+ protocols through natural language.
What you can do
- Fee Estimation — Get recommended fees or estimate gas for EVM transactions to optimize costs using
get_recommended_feeandestimate_evm_gas. - Portfolio Tracking — Retrieve balances for native assets, ERC-20 tokens, and NFTs across multiple addresses with
get_wallet_portfolio. - Real-time Monitoring — Create and manage webhook subscriptions for incoming/outgoing transactions using
create_subscriptionandlist_subscriptions. - Transaction History — Query detailed historical data for specific blockchain addresses via
get_transaction_history. - Exchange Rates — Get live exchange rates between crypto and fiat currencies using
get_exchange_rate.
How it works
- Subscribe to this server
- Enter your Tatum API Key
- Start querying blockchain data from Claude, Cursor, or any MCP-compatible client
Who is this for?
- Web3 Developers — Quickly estimate gas and debug transactions without leaving the IDE
- DeFi Analysts — Monitor portfolios and exchange rates in real-time through conversation
- Ops Teams — Automate webhook management for blockchain event monitoring
Built-in capabilities (11)
Cancel a webhook subscription
). Create a webhook subscription
Create a virtual account (off-chain ledger)
Estimate EVM gas limit and price
). Estimate transaction fee
Get exchange rate for a crypto or fiat asset
Get recommended fee for a blockchain
Get transaction history for an address
Get virtual account balance
Get wallet portfolio balances
List active webhook subscriptions
Why OpenAI Agents SDK?
The OpenAI Agents SDK auto-discovers all 11 tools from Tatum (Blockchain Infra) through native MCP integration. Build agents with built-in guardrails, tracing, and handoff patterns. chain multiple agents where one queries Tatum (Blockchain Infra), another analyzes results, and a third generates reports, all orchestrated through Vinkius.
- —
Native MCP integration via
MCPServerSse, pass the URL and the SDK auto-discovers all tools with full type safety - —
Built-in guardrails, tracing, and handoff patterns let you build production-grade agents without reinventing safety infrastructure
- —
Lightweight and composable: chain multiple agents and MCP servers in a single pipeline with minimal boilerplate
- —
First-party OpenAI support ensures optimal compatibility with GPT models for tool calling and structured output
Tatum (Blockchain Infra) in OpenAI Agents SDK
Tatum (Blockchain Infra) and 4,000+ other MCP servers. One platform. One governance layer.
Teams that connect Tatum (Blockchain Infra) to OpenAI Agents SDK 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.
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 |
Why teams choose Vinkius for Tatum (Blockchain Infra) in OpenAI Agents SDK
The Tatum (Blockchain Infra) 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 11 tools execute in hardened sandboxes optimized for native MCP execution.
Your AI agents in OpenAI Agents SDK 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.

* 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
How Vinkius secures
Tatum (Blockchain Infra) for OpenAI Agents SDK
Every tool call from OpenAI Agents SDK to the Tatum (Blockchain Infra) MCP Server is protected by DLP redaction, cryptographic audit chains, V8 sandbox isolation, kill switch, and financial circuit breakers.
Frequently asked questions
Can I estimate gas for a specific EVM transaction before sending it?
Yes! Use the estimate_evm_gas tool by providing the chain, sender, recipient, and amount. It will return the estimated gas limit and price for that specific interaction.
How do I monitor a wallet for new incoming transactions automatically?
You can use the create_subscription tool to set up a webhook. This allows you to receive real-time notifications whenever a transaction occurs on the specified address and chain.
Can I check balances for multiple token types at once?
Yes, the get_wallet_portfolio tool allows you to specify token types like 'native', 'fungible' (ERC-20), and 'nft' to get a comprehensive view of an address's holdings.
How does the OpenAI Agents SDK connect to MCP?
Use MCPServerSse(url=...) to create a server connection. The SDK auto-discovers all tools and makes them available to your agent with full type information.
Can I use multiple MCP servers in one agent?
Yes. Pass a list of MCPServerSse instances to the agent constructor. The agent can use tools from all connected servers within a single run.
Does the SDK support streaming responses?
Yes. The SDK supports SSE and Streamable HTTP transports, both of which work natively with Vinkius.
MCPServerStreamableHttp not found
Ensure you have the latest version: pip install --upgrade openai-agents
Agent not calling tools
Make sure your prompt explicitly references the task the tools can help with.
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