Bring Tax Compliance
to Vercel AI SDK
Create your Vinkius account to connect freee to Vercel AI SDK and start using all 9 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 freee MCP Server?
Connect your freee (Accounting/HR) account to any AI agent and take full control of your Japanese business operations and general ledger through natural conversation.
What you can do
- Accounting Deal Orchestration — Extract explicit general ledger accounting entries including income, expense, and journal boundaries mapped to your Company ID natively
- Invoice State Auditing — Retrieve explicitly attached invoice statuses (sent, unsent, paid, overdue) to resolve your tenant's Accounts Receivable limits limitlessly
- Partner & Address Book Control — Enumerate official business counterparts linking precise vendor, customer, and tax ID profiles synchronously
- Expense Management — Analyze explicit expense claims submitted by employees and track managerial approval states before final settlement flawlessly
- Financial Account Oversight — Identify connected physical bank accounts, credit cards, and offline cash repositories tracked in your freee instance securely
- Tax Compliance Mapping — Execute bulk iterations tracking explicitly registered Japanese Tax mappings evaluating 8%, 10%, and reduced rates synchronously
- Deal Detail Inspection — Fetch strict sub-entry details for specific deals to view settlement flags and connected bank sync boundaries natively
How it works
- Subscribe to this server
- Enter your freee Access Token and Company ID (found in freee Developer Console and Business Settings)
- Start managing your Japanese business from Claude, Cursor, or any MCP-compatible client
Who is this for?
- Business Owners in Japan — monitor company cash flow and audit invoices without navigating the freee web UI
- Accounting Teams — verify tax code mappings and manage business partner records using natural language
- Ops Managers — track employee expense applications and verify settlement statuses in real-time
- Developers — test and debug Japanese accounting API integrations and verify financial schemas through natural conversation
Built-in capabilities (9)
Get deal details
Get partner details
List all account items
List all accounting deals (transactions)
List expense applications
List all invoices
List all business partners
List tax codes
List bank accounts and wallets
Why Vercel AI SDK?
The Vercel AI SDK gives every freee tool full TypeScript type inference, IDE autocomplete, and compile-time error checking. Connect 9 tools through Vinkius and stream results progressively to React, Svelte, or Vue components. works on Edge Functions, Cloudflare Workers, and any Node.js runtime.
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TypeScript-first: every MCP tool gets full type inference, IDE autocomplete, and compile-time error checking out of the box
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Framework-agnostic core works with Next.js, Nuxt, SvelteKit, or any Node.js runtime. same freee integration everywhere
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Built-in streaming UI primitives let you display freee tool results progressively in React, Svelte, or Vue components
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Edge-compatible: the AI SDK runs on Vercel Edge Functions, Cloudflare Workers, and other edge runtimes for minimal latency
freee in Vercel AI SDK
Why run freee with Vinkius?
The freee 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 9 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 freee using Vinkius. You will never be left in the dark about what your AI agents are doing with your tools.
freee and 4,000+ other AI tools. No hosting, no code, ready to use.
Professionals who connect freee to Vercel AI SDK 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
freee for Vercel AI SDK
Every request between Vercel AI SDK and freee 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 my agent list all unpaid invoices in freee?
Yes. Use the 'list_invoices' tool. The agent retrieves explicitly attached invoice states, allowing you to filter for 'unpaid' or 'overdue' status to monitor your tenant's AR limits flawlessly.
How do I check the details of a specific business partner via chat?
Use the 'get_partner' tool. Provide the Partner ID. Your agent will retrieve the strict physical mapping from the freee address book, including vendor/customer profiles and tax ID metadata.
Can I see my connected bank accounts and their balances through the agent?
Absolutely. The 'list_walletables' tool identifies connected physical bank accounts, credit cards, and cash repositories. You can query current balances and sync states natively within your chat context.
How does the Vercel AI SDK connect to MCP servers?
Import createMCPClient from @ai-sdk/mcp and pass the server URL. The SDK discovers all tools and provides typed TypeScript interfaces for each one.
Can I use MCP tools in Edge Functions?
Yes. The AI SDK is fully edge-compatible. MCP connections work on Vercel Edge Functions, Cloudflare Workers, and similar runtimes.
Does it support streaming tool results?
Yes. The SDK provides streaming primitives like useChat and streamText that handle tool calls and display results progressively in the UI.
createMCPClient is not a function
Install: npm install @ai-sdk/mcp
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