Bring Project Budgeting
to Mastra AI
Learn how to connect Exact Online Bouw to Mastra AI and start using 12 AI agent tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code.
What is the Exact Online Bouw MCP Server?
Connect your Exact Online Bouw account to any AI agent and take full control of your construction projects and time tracking workflows through natural conversation.
What you can do
- Project Orchestration — List and manage construction projects programmatically, including creating new entries with account and date metadata
- Time Tracking Automation — Register and monitor employee hours for specific projects to maintain a high-fidelity record of labor costs
- Financial Intelligence — Programmatically track project costs and expenses to monitor budget utilization and financial health in real-time
- Structure Visualization — Access and retrieve Work Breakdown Structures (WBS) to understand project deliverables and activities structured hierarchically
- Account & Employee Visibility — Retrieve complete directories of accounts and employees to ensure precise data association for all project entries
How it works
1. Subscribe to this server
2. Retrieve your Access Token, Division ID, and Region from the Exact Online App Center
3. Start managing your construction projects and hours from Claude, Cursor, or any MCP client
No more manual logging of site hours or complex navigation through ERP tables. Your AI acts as your dedicated construction project and cost coordinator.
Who is this for?
- Project Managers — instantly check project progress and register site hours using natural language commands
- Finance Teams — monitor project-specific costs and budget status without leaving your workspace
- Site Supervisors — quickly verify employee assignments and project structures through simple AI queries
Built-in capabilities (12)
Requires project ID, item, date, and amount. Register a cost or expense for a project
You can also associate it with an account. Create a new project in Exact Online
Requires project ID, employee ID, item/activity, date, and number of hours. Register hours (time entry) for a project
Get current authenticated user and division information
Get detailed information about a specific project
List accounts (CRM) from Exact Online
List cost transactions registered in Exact Online
List employees from Exact Online
List hour budgets for projects
List the Work Breakdown Structure (WBS) for projects
List all projects in Exact Online
List time transactions (hours) registered in Exact Online
Why Mastra AI?
Mastra's agent abstraction provides a clean separation between LLM logic and Exact Online Bouw tool infrastructure. Connect 12 tools through Vinkius and use Mastra's built-in workflow engine to chain tool calls with conditional logic, retries, and parallel execution. deployable to any Node.js host in one command.
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Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure. add Exact Online Bouw without touching business code
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Built-in workflow engine chains MCP tool calls with conditional logic, retries, and parallel execution for complex automation
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TypeScript-native: full type inference for every Exact Online Bouw tool response with IDE autocomplete and compile-time checks
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One-command deployment to any Node.js host. Vercel, Railway, Fly.io, or your own infrastructure
Exact Online Bouw in Mastra AI
Exact Online Bouw and 3,400+ other MCP servers. One platform. One governance layer.
Teams that connect Exact Online Bouw to Mastra AI through Vinkius don't need to source, host, or maintain individual MCP servers. Every tool call runs inside a hardened runtime with credential isolation, DLP, and a signed audit chain.
Raw MCP | Vinkius | |
|---|---|---|
| Server catalog | Find and host yourself | 3,400+ managed |
| Infrastructure | Self-hosted | Sandboxed V8 isolates |
| Credential handling | Plaintext in config | Vault + runtime injection |
| Data loss prevention | None | Configurable DLP policies |
| Kill switch | None | Global instant shutdown |
| Financial circuit breakers | None | Per-server limits + alerts |
| Audit trail | None | Ed25519 signed logs |
| SIEM log streaming | None | Splunk, Datadog, Webhook |
| Honeytokens | None | Canary alerts on leak |
| Custom domains | Not applicable | DNS challenge verified |
| GDPR compliance | Manual effort | Automated purge + export |
Why teams choose Vinkius for Exact Online Bouw in Mastra AI
The Exact Online Bouw 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. All 12 tools execute in hardened sandboxes optimized for native MCP execution.
Your AI agents in Mastra AI only access the data you authorize, with DLP that blocks sensitive information from ever reaching the model, kill switch for instant shutdown, and up to 60% token savings. Enterprise-grade infrastructure, zero maintenance.

* 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
How Vinkius secures
Exact Online Bouw for Mastra AI
Every tool call from Mastra AI to the Exact Online Bouw MCP Server is protected by DLP redaction, cryptographic audit chains, V8 sandbox isolation, kill switch, and financial circuit breakers.
Frequently asked questions
How do I find my Division ID?
Use the get_me tool to retrieve your current authenticated user profile and the active Division ID associated with your account.
Can I register hours for a specific date?
Yes! The create_time_transaction tool requires a Date parameter in YYYY-MM-DD format to log work entries accurately.
Which regions are supported for Exact Online?
Common regions include 'nl', 'be', 'com', 'co.uk'. Check your login URL (e.g., start.exactonline.nl) to confirm your specific region code.
How does Mastra AI connect to MCP servers?
Create an MCPClient with the server URL and pass it to your agent. Mastra discovers all tools and makes them available with full TypeScript types.
Can Mastra agents use tools from multiple servers?
Yes. Pass multiple MCP clients to the agent constructor. Mastra merges all tool schemas and the agent can call any tool from any server.
Does Mastra support workflow orchestration?
Yes. Mastra has a built-in workflow engine that lets you chain MCP tool calls with branching logic, error handling, and parallel execution.
createMCPClient not exported
Install: npm install @mastra/mcp
