Marqeta MCP Server for LangChainGive LangChain instant access to 31 tools to Create Ach Funding Source, Create Auth Control, Create Business, and more

Name: Marqeta
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 Marqeta 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 Marqeta MCP Server for LangChain is a standout in the Money Moves category — giving your AI agent 31 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({
        "marqeta": {
            "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 Marqeta, 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 Marqeta MCP Server

Connect your Marqeta account to any AI agent to manage your card issuing infrastructure through natural conversation. This server provides comprehensive tools for managing the entire lifecycle of card programs.

LangChain's ecosystem of 500+ components combines seamlessly with Marqeta through native MCP adapters. Connect 31 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

User & Business Management — Create and retrieve individual users or business entities to act as account holders.
Card Issuance — Create physical or virtual payment cards and manage card products that define spending behaviors.
Funding & GPA Orders — Move funds into account holder General Purpose Accounts (GPA) and manage ACH funding sources.
Inventory & Retrieval — List users, fetch specific card details, and audit all cards associated with a specific user token.
Configuration — Define card products with specific start dates and names to control your issuing environment.

The Marqeta MCP Server exposes 31 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 31 Marqeta tools available for LangChain

When LangChain connects to Marqeta through Vinkius, your AI agent gets direct access to every tool listed below — spanning card-issuing, fintech-api, virtual-cards, 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.

create

Create ach funding source on Marqeta

Create an ACH funding source

create

Create auth control on Marqeta

Create an authorization control

create

Create business on Marqeta

Create a new Marqeta business

create

Create card on Marqeta

Create a new Marqeta card

create

Create card product on Marqeta

Create a new Marqeta card product

create

Create card transition on Marqeta

g., ACTIVE, SUSPENDED, TERMINATED). Create a card transition

create

Create direct deposit transition on Marqeta

g., to reverse a deposit). Create a direct deposit transition

create

Create gpa order on Marqeta

Create a GPA order to fund an account

create

Create payment card funding source on Marqeta

Create a payment card funding source

create

Create pin control token on Marqeta

Create a PIN control token

create

Create program funding source on Marqeta

Create a program funding source

create

Create user on Marqeta

Create a new Marqeta user

create

Create user transition on Marqeta

g., ACTIVE, SUSPENDED, CLOSED). Create a user transition

create

Create velocity control on Marqeta

Create a velocity control

create

Create webhook on Marqeta

Create a webhook

get

Get balances on Marqeta

Retrieve balances for a user or business

get

Get business on Marqeta

Retrieve a Marqeta business by token

get

Get card on Marqeta

Retrieve a Marqeta card by token

get

Get direct deposit on Marqeta

Retrieve a direct deposit record

get

Get user on Marqeta

Retrieve a Marqeta user by token

list

List cards by user on Marqeta

List all cards for a specific user

list

List users on Marqeta

List Marqeta users

perform

Perform kyc on Marqeta

Perform KYC verification for a user

ping

Ping webhook on Marqeta

Ping a webhook

provision

Provision apple pay on Marqeta

Provision a card for Apple Pay

provision

Provision google pay on Marqeta

Provision a card for Google Pay

reveal

Reveal pin on Marqeta

Reveal a card PIN

simulate

Simulate authorization on Marqeta

Simulate an authorization

simulate

Simulate clearing on Marqeta

Simulate a clearing transaction

simulate

Simulate reversal on Marqeta

Simulate a reversal

update

Update pin on Marqeta

Set or update a card PIN

Connect Marqeta to LangChain via MCP

Follow these steps to wire Marqeta 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 31 tools from Marqeta via MCP

Why Use LangChain with the Marqeta MCP Server

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

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

Marqeta + LangChain Use Cases

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

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

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

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

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

Example Prompts for Marqeta in LangChain

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

"List the last 10 users registered in my Marqeta environment."

"Issue a new virtual card for user token 'user_888' using card product 'prod_999'."

"Fund $50.00 USD to user 'u_789' from funding source 'fs_000'."

Troubleshooting Marqeta MCP Server with LangChain

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

MultiServerMCPClient not found

Install: pip install langchain-mcp-adapters

Marqeta + LangChain FAQ

Common questions about integrating Marqeta 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.