Bring Embedded Finance
to LangChain
Create your Vinkius account to connect Modulr to LangChain and start using all 7 AI tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code. No hosting, no server setup — just connect and start using.
GDPR Free for SubscribersCompatible with every major AI agent and IDE
Gemini
What is the Modulr MCP Server?
The Modulr MCP Server wraps incredibly defensive digital signatures (HMAC SHA-256) autonomously underneath a native Language Model Chat interface. Meaning, your AI has programmatic limits to fire secure European and British payment rails on command natively.
Core Functionality
- Create Modulr Customers/Accounts — Manage deeply nested multi-layered B2B structures. Automatically provision Sort-Code ledgers via
modulr_create_account. - Payment Initiation — Run automated payroll or contractor compensation logic utilizing direct clearing paths mapping via
modulr_create_payment. - Algorithmic Tracing — Check real-time payment states checking failures or settlements organically utilizing
modulr_list_payments.
How it works
- From your Modulr Finance administrative interface, spawn your API Key Profile and the underlying API Secret Hash.
- Vinkius natively utilizes the
MODULR_API_SECRETnot as a password, but natively applying a Cryptographic Hash generating Nonces and Date Timestamps implicitly on every Chat-driven Tool call to authenticate accurately with European servers.
Use Cases
- Lending Startups — Direct integration validating funds exactly when needed.
- Payment Reconciliations — Have the Agent review your physical transactional ledger.
Built-in capabilities (7)
g. GBP or EUR). Instantiate a UK/EU Account under a specific Customer
, or IBAN. Map an external Recipient
Trigger an outgoing Faster Payment or SEPA payout
List all live Accounts and mapped liquidity
List underlying legal customers/entities inside Modulr
Audit transaction histories on a specific Account
Check the status of massive payment arrays
Why LangChain?
LangChain's ecosystem of 500+ components combines seamlessly with Modulr through native MCP adapters. Connect 7 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 Modulr 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 Modulr queries for multi-turn workflows
Modulr in LangChain
Why run Modulr with Vinkius?
The Modulr connection runs on our fully managed, secure cloud infrastructure. We handle the hosting, maintenance, and security so you don't have to deal with servers or code. All 7 tools are ready to work instantly without any complex setup.
You stay in complete control of your data. Your AI only accesses the information you approve, keeping your sensitive passwords and private details completely safe. Plus, with automatic optimizations, your AI works faster and more efficiently.
* Every connection is hosted and maintained by Vinkius. We handle the security, updates, and infrastructure so you don't have to write code or manage servers. See our infrastructure
Over 4,000 integrations ready for AI agents
Explore a vast library of pre-built integrations, optimized and ready to deploy.
Connect securely in under 30 seconds
Generate tokens to authenticate and link external services in a single step.
Complete visibility into every agent action
Audit live requests, latency, success rates, and active security compliance policies.
Optimize spending and track token ROI
Analyze real-time token consumption and cost metrics detailed by connection.
Explore our live AI Agents Analytics dashboard to see it all working
This dashboard is included when you connect Modulr using Vinkius. You will never be left in the dark about what your AI agents are doing with your tools.
Modulr and 4,000+ other AI tools. No hosting, no code, ready to use.
Professionals who connect Modulr to LangChain through Vinkius don't need to write code, manage servers, or worry about security. Everything is pre-configured, secure, and runs automatically in the background.
Raw MCP | Vinkius | |
|---|---|---|
| Ready-to-use MCPs | Find and configure each manually | 4,000+ MCPs ready to use |
| Connection Setup | Manual coding & server setup | 1-click instant connection |
| Server Hosting | You host it yourself (needs 24/7 uptime) | 100% hosted & managed by Vinkius |
| Security & Privacy | Stored in plaintext config files | Bank-grade encrypted vault |
| Activity Visibility | Blind execution (no logs or tracking) | Live dashboard with real-time logs |
| Cost Control | Runaway AI token spend risk | Automatic budget limits |
| Revoking Access | Must delete files or code to stop | 1-click disconnect button |
How Vinkius secures
Modulr for LangChain
Every request between LangChain and Modulr is protected by our secure gateway. We automatically keep your sensitive data private, prevent unauthorized access, and let you disconnect instantly at any time.
Frequently asked questions
Modulr requires complex timestamped HMAC API Signatures, how does the prompt handle that?
We handle that completely in the background Engine! The Vinkius runtime grabs your static API Secret from configurations once. Then, every time the Language Model triggers a payment, our Node.js runtime creates random cryptographic hex Nonces, aligns current UTC Date limits, hashes the combination uniquely via SHA-256 and packs it into the underlying header dynamically natively.
Can the Agent generate new SEPA/UK Accounts?
Yes, using modulr_create_account, you can spawn multiple isolated UK GBP ledgers natively linked to customers.
Are cross-border Faster Payments supported natively?
Absolutely. You can inject external sorts codes inside the modulr_create_payment orchestrations delivering funds transparently via clearing houses.
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.
MultiServerMCPClient not found
Install: pip install langchain-mcp-adapters
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