Bring Time Tracking
to LangChain
Create your Vinkius account to connect Harvest to LangChain 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 LangChain?
LangChain's ecosystem of 500+ components combines seamlessly with Harvest through native MCP adapters. Connect 11 tools via Vinkius and use ReAct agents, Plan-and-Execute strategies, or custom agent architectures. with LangSmith tracing giving full visibility into every tool call, latency, and token cost.
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The largest ecosystem of integrations, chains, and agents. combine Harvest MCP tools with 500+ LangChain components
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Agent architecture supports ReAct, Plan-and-Execute, and custom strategies with full MCP tool access at every step
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LangSmith tracing gives you complete visibility into tool calls, latencies, and token usage for production debugging
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Memory and conversation persistence let agents maintain context across Harvest queries for multi-turn workflows
Harvest in LangChain
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 LangChain 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 LangChain
Every request between LangChain 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 LangChain connect to MCP servers?
Use langchain-mcp-adapters to create an MCP client. LangChain discovers all tools and wraps them as native LangChain tools compatible with any agent type.
Which LangChain agent types work with MCP?
All agent types including ReAct, OpenAI Functions, and custom agents work with MCP tools. The tools appear as standard LangChain tools after the adapter wraps them.
Can I trace MCP tool calls in LangSmith?
Yes. All MCP tool invocations appear as traced steps in LangSmith, showing input parameters, response payloads, latency, and token usage.
MultiServerMCPClient not found
Install: pip install langchain-mcp-adapters
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