MCP FreshBooks
Production-grade MCP server for FreshBooks — 25 tools for invoices, clients, expenses, payments, time tracking, projects, estimates, and financial reports. OAuth2 with automatic token refresh.
Overview
mcp-freshbooks
Production-grade MCP server for FreshBooks — 25 tools for invoices, clients, expenses, payments, time tracking, projects, estimates, and financial reports.
Features
- 25 tools covering the full FreshBooks accounting workflow
- OAuth2 authentication with automatic token refresh
- Clean output — summarized lists, formatted details
- Production-grade error handling and rate limit awareness
- Zero cost — uses FreshBooks free developer program
Tools
| Category | Tools | Description |
|---|---|---|
| Auth | freshbooks_authenticate, freshbooks_authenticate_with_code, freshbooks_whoami | OAuth2 flow + identity |
| Invoices | list_invoices, get_invoice, create_invoice, update_invoice, send_invoice, delete_invoice | Full invoice lifecycle |
| Clients | list_clients, get_client, create_client, update_client | Client management |
| Expenses | list_expenses, get_expense, create_expense | Expense tracking |
| Payments | list_payments, create_payment | Payment recording |
| Time Tracking | list_time_entries, create_time_entry | Time entry management |
| Projects | list_projects, create_project | Project management |
| Estimates | list_estimates, create_estimate | Estimate creation |
| Reports | get_report | Profit & loss, tax summary, payments collected |
Quick Start
1. Install
pip install mcp-freshbooks
Or from source:
git clone https://github.com/AlexlaGuardia/mcp-freshbooks.git
cd mcp-freshbooks
pip install .
2. Get FreshBooks API Credentials
- Sign up at freshbooks.com/pages/developer-signup
- Create an OAuth app in the developer portal
- Set redirect URI to
https://localhost:8555/callback - Copy your Client ID and Client Secret
3. Configure
export FRESHBOOKS_CLIENT_ID=your_client_id
export FRESHBOOKS_CLIENT_SECRET=your_client_secret
export FRESHBOOKS_REDIRECT_URI=https://localhost:8555/callback
4. Add to Claude Desktop
Add to your claude_desktop_config.json:
{
"mcpServers": {
"freshbooks": {
"command": "mcp-freshbooks",
"env": {
"FRESHBOOKS_CLIENT_ID": "your_client_id",
"FRESHBOOKS_CLIENT_SECRET": "your_client_secret",
"FRESHBOOKS_REDIRECT_URI": "https://localhost:8555/callback"
}
}
}
}
5. Authenticate
Use the freshbooks_authenticate tool on first use. It will give you a URL to open in your browser. After authorizing, tokens are saved to ~/.mcp-freshbooks/tokens.json and auto-refresh.
Usage Examples
List overdue invoices:
Use list_invoices with status "outstanding"
Create and send an invoice:
Create an invoice for client 12345 with a line item for "Web Development" at $1,500, then send it
Check profitability:
Get the profit and loss report for Q1 2026
Track time:
Create a 2-hour time entry for project 789 with note "API integration work"
Architecture
src/mcp_freshbooks/
├── server.py # MCP server with 25 tool definitions
├── client.py # FreshBooks API client (httpx async)
└── auth.py # OAuth2 flow + token persistence
The server uses the MCP Python SDK with FastMCP for clean tool registration. All API calls go through the async client with automatic token refresh.
Requirements
- Python 3.10+
- FreshBooks account (free trial works for development)
- FreshBooks OAuth app credentials
License
MIT
Server Config
{
"mcpServers": {
"freshbooks": {
"command": "mcp-freshbooks",
"env": {
"FRESHBOOKS_CLIENT_ID": "your_client_id",
"FRESHBOOKS_CLIENT_SECRET": "your_client_secret",
"FRESHBOOKS_REDIRECT_URI": "https://localhost:8555/callback"
}
}
}
}Project Info
Created At
3 months agoUpdated At
3 months agoAuthor Name
AlexlaGuardiaStar
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