freee accounting, HR, invoicing, project management, and sales API access through MCP with detailed references and operation guides.

• Provides MCP tools for OAuth authentication, company management, and five service APIs: accounting (deals, expenses), HR (employees, attendance), invoicing (invoices, quotes), project management (projects, timesheets), and sales (opportunities, orders)
• Includes API reference documentation for major endpoints (deals, expense applications, employees, attendances, invoices) with parameters, request bodies, and response details
• Offers recipe guides for common workflows: expense applications, deal registration, HR operations, attendance tracking, invoicing, file uploads, project timesheets, and sales management
• Requires initial OAuth setup via npx freee-mcp configure to store credentials locally; company ID must match the currently configured business before making API calls