Bring Time Tracking
to Pydantic AI
Create your Vinkius account to connect Harvest to Pydantic AI and start using all 11 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 Harvest MCP Server?
Connect your Harvest account to any AI agent and take full control of your time tracking, client management, and invoicing through natural conversation.
What you can do
- Time Tracking Oversight — List and inspect tracked time entries to monitor team productivity.
- Client Management — List all clients, create new ones, and update company details effortlessly.
- Invoicing Automation — Access your invoice history, create new drafts, and manage billing statuses.
- Project Monitoring — List all active projects and retrieve detailed information for each.
- User Profile — Get information about the current authenticated user and account status.
- Operational Efficiency — Use AI to identify unbilled time or upcoming invoice deadlines across your organization.
How it works
- Subscribe to this server
- Enter your Harvest Access Token and Account ID
- Start managing your time and billing from Claude, Cursor, or any MCP-compatible client
No more manual exporting of time reports. Your AI assistant acts as a dedicated Billing Coordinator or Operations Manager.
Who is this for?
- Project Managers — instantly retrieve project time summaries and client details during status calls.
- Operations Leaders — automate the oversight of invoicing and time entry compliance.
- Freelancers & Small Agencies — manage your entire billing cycle and time tracking without leaving your communication flow.
Built-in capabilities (11)
Create a new client in Harvest
Create a new invoice for a client
Permanently delete a client
Get detailed information for a specific client
Get details for a specific invoice
Get information about the current authenticated user
List all clients in your Harvest account
List all invoices, including drafts and sent ones
List all projects in the account
List tracked time entries
Update an existing client name
Why Pydantic AI?
Pydantic AI validates every Harvest tool response against typed schemas, catching data inconsistencies at build time. Connect 11 tools through Vinkius and switch between OpenAI, Anthropic, or Gemini without changing your integration code. full type safety, structured output guarantees, and dependency injection for testable agents.
- —
Full type safety: every MCP tool response is validated against Pydantic models, catching data inconsistencies before they reach your application
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Model-agnostic architecture. switch between OpenAI, Anthropic, or Gemini without changing your Harvest integration code
- —
Structured output guarantee: Pydantic AI ensures tool results conform to defined schemas, eliminating runtime type errors
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Dependency injection system cleanly separates your Harvest connection logic from agent behavior for testable, maintainable code
Harvest in Pydantic AI
Why run Harvest with Vinkius?
The Harvest 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 11 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 Harvest using Vinkius. You will never be left in the dark about what your AI agents are doing with your tools.
Harvest and 4,000+ other AI tools. No hosting, no code, ready to use.
Professionals who connect Harvest to Pydantic AI 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
Harvest for Pydantic AI
Every request between Pydantic AI and Harvest 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
How do I find my Harvest Access Token and Account ID?
Go to the Harvest Developers site (id.getharvest.com), navigate to Personal Access Tokens, and create a new token. You will find both the token and the Account ID listed there.
Can I see time entries for a specific period?
Yes! Use the list_time_entries tool and provide the from and to dates in YYYY-MM-DD format to retrieve records for that timeframe.
Is it possible to create invoices through this integration?
Yes, you can use the create_invoice tool by providing a client_id and an optional subject to generate a new invoice draft in your Harvest account.
Is the integration secure for managing financial data?
Absolutely. The integration uses official Harvest API tokens over HTTPS. Your credentials are encrypted and stored securely within the Vinkius Cloud infrastructure.
How does Pydantic AI discover MCP tools?
Create an MCPServerHTTP instance with the server URL. Pydantic AI connects, discovers all tools, and generates typed Python interfaces automatically.
Does Pydantic AI validate MCP tool responses?
Yes. When you define result types as Pydantic models, every tool response is validated against the schema. Invalid data raises a clear error instead of silently corrupting your pipeline.
Can I switch LLM providers without changing MCP code?
Absolutely. Pydantic AI abstracts the model layer. your Harvest MCP integration works identically with OpenAI, Anthropic, Google, or any supported provider.
MCPServerHTTP not found
Update: pip install --upgrade pydantic-ai
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