Bring Invoicing
to LangChain
Create your Vinkius account to connect Finmei to LangChain and start using all 12 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.
Compatible with every major AI agent and IDE
What is the Finmei MCP Server?
Connect your Finmei account to any AI agent and automate your financial operations through the Model Context Protocol (MCP). Finmei is the ideal companion for freelancers and small businesses that need to track expenses and manage invoices without the complexity of traditional accounting software.
What you can do
- Expense Tracking — Digitally record and list all business expenses. Fetch details or delete entries directly through natural conversation.
- Tax Management — List and manage your tax types (Tax Rates) to ensure your financial records are always accurate and compliant.
- Payment Monitoring — Keep track of all payments associated with your business. List recent payments or drill down into specific transaction details.
- Business Profiling — Access your business profile metadata to ensure your agent has the right context for generating reports or invoices.
- Global Support — Fetch supported currencies and manage international transactions with support for over 180 currencies.
- Category Organization — Organize your finances by listing and applying expense categories to your records.
How it works
- Subscribe to this server through the Vinkius Marketplace
- Enter your Finmei API Token (found in your Settings > Integrations)
- Start managing your business expenses and payments from Claude, Cursor, or any MCP client
Who is this for?
- Freelancers & Solopreneurs — quickly log expenses and check payment statuses while you work, without opening a separate browser tab.
- Small Business Owners — get a quick overview of your tax types and recent expenses to keep your finger on the pulse of your cash flow.
- Agency Leads — automate the retrieval of financial data for client reports or internal audits.
Built-in capabilities (12)
Create a new expense
Delete an expense
Delete a payment
Get expense details
Get payment details
Get business profile
List expense categories
List supported currencies
List expenses
List payments
List tax rates
Update an expense
Why LangChain?
LangChain's ecosystem of 500+ components combines seamlessly with Finmei through native MCP adapters. Connect 12 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.
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The largest ecosystem of integrations, chains, and agents. combine Finmei MCP tools with 500+ LangChain components
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Agent architecture supports ReAct, Plan-and-Execute, and custom strategies with full MCP tool access at every step
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LangSmith tracing gives you complete visibility into tool calls, latencies, and token usage for production debugging
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Memory and conversation persistence let agents maintain context across Finmei queries for multi-turn workflows
Finmei in LangChain
Why run Finmei with Vinkius?
The Finmei 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 12 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 Finmei using Vinkius. You will never be left in the dark about what your AI agents are doing with your tools.
Finmei and 4,000+ other AI tools. No hosting, no code, ready to use.
Professionals who connect Finmei 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
Finmei for LangChain
Every request between LangChain and Finmei 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
Can I create an expense with a specific currency using the agent?
Yes! The 'create_expense' tool allows you to specify the currency code (e.g., USD, EUR, BRL). You can use the 'list_currencies' tool to find all supported codes.
How do I manage different tax rates for my business?
You can use the 'list_tax_types' tool to see all tax rates configured in your Finmei account. This helps ensuring your recorded expenses have the correct tax data applied.
Is it possible to delete an accidental expense entry?
Absolutely. The 'delete_expense' tool allows you to remove any expense record by providing its unique UUID. Just ask your agent to find the expense first if you need the ID.
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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