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Fireblocks MCP Server for LangChainGive LangChain instant access to 40 tools to Add Asset To Wallet, Add Contract, Cancel Transaction, and more

MCP Inspector GDPR Free for Subscribers

LangChain is the leading Python framework for composable LLM applications. Connect Fireblocks 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 Fireblocks MCP Server for LangChain is a standout in the Money Moves category — giving your AI agent 40 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({
        "fireblocks": {
            "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 Fireblocks, show me what tools are available.",
            }]
        })
        print(response["messages"][-1].content)

asyncio.run(main())
Fireblocks
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 Fireblocks MCP Server

Connect your Fireblocks workspace to any AI agent to orchestrate institutional-grade digital asset operations through natural language conversation.

LangChain's ecosystem of 500+ components combines seamlessly with Fireblocks through native MCP adapters. Connect 40 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

  • Vault Management — List, create, and inspect vault accounts and asset balances across your entire organization.
  • Transaction Orchestration — Create, estimate fees, and monitor transactions across multiple blockchains with full lifecycle control.
  • Wallet Connectivity — Manage internal and external wallets, and generate new deposit addresses for various assets.
  • Advanced Asset Support — Interact with NFTs, staking positions, and smart contracts directly from the console.
  • Compliance & Security — Validate travel rules, manage gas station settings, and retrieve screening information for transactions.

The Fireblocks MCP Server exposes 40 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 40 Fireblocks tools available for LangChain

When LangChain connects to Fireblocks through Vinkius, your AI agent gets direct access to every tool listed below — spanning digital-assets, vault-management, crypto-transactions, 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.

add

Add asset to wallet on Fireblocks

Add an asset/address to a wallet

add

Add contract on Fireblocks

Add a new contract to the whitelist

cancel

Cancel transaction on Fireblocks

Cancel a pending transaction

create

Create external wallet on Fireblocks

Create a new external wallet container

create

Create internal wallet on Fireblocks

Create a new internal wallet container

create

Create transaction on Fireblocks

Create a new transaction (Transfer, Mint, Burn, etc.)

create

Create vault account on Fireblocks

Create a new vault account

create

Create vault account asset on Fireblocks

Create a new wallet for an asset in a vault

create

Create vault account asset address on Fireblocks

Generate a new deposit address

create

Create webhook on Fireblocks

Create a new webhook subscription

drop

Drop transaction on Fireblocks

Drop an ETH/EVM transaction

estimate

Estimate fee on Fireblocks

Estimate fees for a potential transaction

estimate

Estimate network fee on Fireblocks

Get current network fee estimates for an asset

get

Get contract asset on Fireblocks

Get details for a contract asset

get

Get gas station on Fireblocks

Retrieve gas station settings

get

Get public key info on Fireblocks

Get the public key for a specific derivation path

get

Get screening transaction on Fireblocks

Get compliance screening results for a transaction

get

Get transaction on Fireblocks

Get details of a specific transaction

get

Get vault account on Fireblocks

Retrieve details for a specific vault account

get

Get vault account asset on Fireblocks

Get balance for a specific asset in a vault

list

List assets on Fireblocks

List all supported assets

list

List blockchains on Fireblocks

List all supported blockchains

list

List contracts on Fireblocks

List whitelisted contracts

list

List external wallets on Fireblocks

List all external wallets

list

List internal wallets on Fireblocks

List all internal wallets

list

List owned nfts on Fireblocks

List all owned NFT tokens

list

List staking chains on Fireblocks

List supported staking chains

list

List staking positions on Fireblocks

List active staking positions

list

List transactions on Fireblocks

Retrieve transaction history with filters

list

List vasps on Fireblocks

List Virtual Asset Service Providers (VASPs)

list

List vault account asset addresses on Fireblocks

List deposit addresses for an asset

list

List vault accounts on Fireblocks

List vault accounts with pagination

list

List webhook notifications on Fireblocks

List notifications sent to a webhook

refresh

Refresh nfts on Fireblocks

Refresh NFT data for a vault account

register

Register asset on Fireblocks

Register a custom asset (e.g., ERC-20)

resend

Resend webhooks on Fireblocks

Resend failed webhooks

stake

Stake position on Fireblocks

Initiate a staking position

update

Update gas station on Fireblocks

Update auto-fueling thresholds

update

Update vault account on Fireblocks

Rename a vault account

validate

Validate travel rule on Fireblocks

Validate a transaction against Travel Rule requirements

Connect Fireblocks to LangChain via MCP

Follow these steps to wire Fireblocks into LangChain. The entire setup takes under two minutes — your credentials stay safe behind Vinkius.

01

Install dependencies

Run pip install langchain langchain-mcp-adapters langgraph langchain-openai
02

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token
03

Run the agent

Save the code and run python agent.py
04

Explore tools

The agent discovers 40 tools from Fireblocks via MCP

Why Use LangChain with the Fireblocks MCP Server

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

01

The largest ecosystem of integrations, chains, and agents. combine Fireblocks MCP tools with 500+ LangChain components

02

Agent architecture supports ReAct, Plan-and-Execute, and custom strategies with full MCP tool access at every step

03

LangSmith tracing gives you complete visibility into tool calls, latencies, and token usage for production debugging

04

Memory and conversation persistence let agents maintain context across Fireblocks queries for multi-turn workflows

Fireblocks + LangChain Use Cases

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

01

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

02

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

03

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

04

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

Example Prompts for Fireblocks in LangChain

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

01

"List the first 10 vault accounts in my Fireblocks workspace."

02

"What is the BTC balance in vault account ID 0?"

03

"Create a transaction to send 0.1 ETH from vault 0 to external wallet 'Exchange-Wallet'."

Troubleshooting Fireblocks MCP Server with LangChain

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

01

MultiServerMCPClient not found

Install: pip install langchain-mcp-adapters

Fireblocks + LangChain FAQ

Common questions about integrating Fireblocks MCP Server with LangChain.

01

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.
02

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.
03

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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