freee MCP Server for OpenAI Agents SDK 9 tools — connect in under 2 minutes
The OpenAI Agents SDK enables production-grade agent workflows in Python. Connect freee through Vinkius and your agents gain typed, auto-discovered tools with built-in guardrails. no manual schema definitions required.
ASK AI ABOUT THIS MCP SERVER
Vinkius supports streamable HTTP and SSE.
import asyncio
from agents import Agent, Runner
from agents.mcp import MCPServerStreamableHttp
async def main():
# Your Vinkius token. get it at cloud.vinkius.com
async with MCPServerStreamableHttp(
url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
) as mcp_server:
agent = Agent(
name="freee Assistant",
instructions=(
"You help users interact with freee. "
"You have access to 9 tools."
),
mcp_servers=[mcp_server],
)
result = await Runner.run(
agent, "List all available tools from freee"
)
print(result.final_output)
asyncio.run(main())
* 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 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.
The OpenAI Agents SDK auto-discovers all 9 tools from freee through native MCP integration. Build agents with built-in guardrails, tracing, and handoff patterns. chain multiple agents where one queries freee, another analyzes results, and a third generates reports, all orchestrated through Vinkius.
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
The freee MCP Server exposes 9 tools through the Vinkius. Connect it to OpenAI Agents SDK in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.
How to Connect freee to OpenAI Agents SDK via MCP
Follow these steps to integrate the freee MCP Server with OpenAI Agents SDK.
Install the SDK
Run pip install openai-agents in your Python environment
Replace the token
Replace [YOUR_TOKEN_HERE] with your Vinkius token from cloud.vinkius.com
Run the script
Save the code above and run it: python agent.py
Explore tools
The agent will automatically discover 9 tools from freee
Why Use OpenAI Agents SDK with the freee MCP Server
OpenAI Agents SDK provides unique advantages when paired with freee through the Model Context Protocol.
Native MCP integration via `MCPServerSse`, pass the URL and the SDK auto-discovers all tools with full type safety
Built-in guardrails, tracing, and handoff patterns let you build production-grade agents without reinventing safety infrastructure
Lightweight and composable: chain multiple agents and MCP servers in a single pipeline with minimal boilerplate
First-party OpenAI support ensures optimal compatibility with GPT models for tool calling and structured output
freee + OpenAI Agents SDK Use Cases
Practical scenarios where OpenAI Agents SDK combined with the freee MCP Server delivers measurable value.
Automated workflows: build agents that query freee, process the data, and trigger follow-up actions autonomously
Multi-agent orchestration: create specialist agents. one queries freee, another analyzes results, a third generates reports
Data enrichment pipelines: stream data through freee tools and transform it with OpenAI models in a single async loop
Customer support bots: agents query freee to resolve tickets, look up records, and update statuses without human intervention
freee MCP Tools for OpenAI Agents SDK (9)
These 9 tools become available when you connect freee to OpenAI Agents SDK via MCP:
get_deal
Get deal details
get_partner
Get partner details
list_accounts
List all account items
list_deals
List all accounting deals (transactions)
list_expenses
List expense applications
list_invoices
List all invoices
list_partners
List all business partners
list_taxes
List tax codes
list_walletables
List bank accounts and wallets
Example Prompts for freee in OpenAI Agents SDK
Ready-to-use prompts you can give your OpenAI Agents SDK agent to start working with freee immediately.
"List the last 5 accounting deals in freee"
"Show me pending expense applications"
"What are my active bank accounts in freee?"
Troubleshooting freee MCP Server with OpenAI Agents SDK
Common issues when connecting freee to OpenAI Agents SDK through the Vinkius, and how to resolve them.
MCPServerStreamableHttp not found
pip install --upgrade openai-agentsAgent not calling tools
freee + OpenAI Agents SDK FAQ
Common questions about integrating freee MCP Server with OpenAI Agents SDK.
How does the OpenAI Agents SDK connect to MCP?
MCPServerSse(url=...) to create a server connection. The SDK auto-discovers all tools and makes them available to your agent with full type information.Can I use multiple MCP servers in one agent?
MCPServerSse instances to the agent constructor. The agent can use tools from all connected servers within a single run.Does the SDK support streaming responses?
Connect freee with your favorite client
Step-by-step setup guides for every MCP-compatible client and framework:
Anthropic's native desktop app for Claude with built-in MCP support.
AI-first code editor with integrated LLM-powered coding assistance.
GitHub Copilot in VS Code with Agent mode and MCP support.
Purpose-built IDE for agentic AI coding workflows.
Autonomous AI coding agent that runs inside VS Code.
Anthropic's agentic CLI for terminal-first development.
Python SDK for building production-grade OpenAI agent workflows.
Google's framework for building production AI agents.
Type-safe agent development for Python with first-class MCP support.
TypeScript toolkit for building AI-powered web applications.
TypeScript-native agent framework for modern web stacks.
Python framework for orchestrating collaborative AI agent crews.
Leading Python framework for composable LLM applications.
Data-aware AI agent framework for structured and unstructured sources.
Microsoft's framework for multi-agent collaborative conversations.
Connect freee to OpenAI Agents SDK
Get your token, paste the configuration, and start using 9 tools in under 2 minutes. No API key management needed.