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Harvest Custom MCP

Connect Harvest to Custom MCP

Send Harvest invoices, tasks, companies and 19 more data types to Custom MCP on a schedule. Filter by date and narrow it down by project status. Refresh as often as every 15 minutes.

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Custom MCP

Who logged the most hours in Harvest last week, and on which projects?

Querying the Harvest data set in Coupler.io
Any MCP-compatible AI client queries your Harvest data through the Coupler.io MCP server. Access is read-only.
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Tradezella
Stanford
Webtoon
Getir
Stellar
Anker
ParentSquare
Bac 50
Benzinga
Matterport

How to connect Harvest and Custom MCP

6 steps. You can preview the Harvest data in Coupler.io before anything reaches Custom MCP.

Step 1 of 6

Connect Harvest

Sign in to Harvest and authorize Coupler.io. There's no API key to copy.

Sign in with Harvest

Step 2 of 6

Choose what to export

Pick the Harvest data you want in Custom MCP.

Show 14 more data types Show fewer data types
Harvest accountNot set

Step 3 of 6

Fine-tune the export

Optional settings for this Harvest export.

Show 14 more data types Show fewer data types
Changed afterAny dateSpecify the data entity’s last modified date after which you want to export data from Harvest (e.g. after 2020-01-01 09:00). It is expected that the specified date and time match your browser’s time zone.
FromNot set
ToNot set
Project statusNot setSpecify the status of projects you want to include to your report.
Show 1 more field Show fewer fields
Project IDNot setGo to the Harvest app and open the project. Copy the ID from the address URL — a number that goes after a slash “/”, and paste it here.

Step 4 of 6

Narrow it down

Filter Harvest records before they reach Custom MCP.

Advanced filtersNot set

Step 5 of 6

Connect Custom MCP

Click Generate token, then add the token and the Coupler.io MCP server URL to your MCP client's JSON config.

Data set to shareInvoicesThe data view MCP clients can read
MCP server URLhttps://mcp.coupler.io/mcpProvided by Coupler.io in the destination step
Personal access token••••••••••••Sent as a Bearer token. Keep it private

Step 6 of 6

Set a schedule

Custom MCP sees the data as of the last run. Run it as often as every 15 minutes.

Build this flow for free

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Get the most of Harvest to Custom MCP integration

Gather data icon

Gather data

Export data from numerous apps and sources into a single destination. Blend data from different apps to get a single source of truth.
Understand data icon

Understand data

Preview, transform, sort, and filter data for better clarity in just a few clicks in the Coupler.io interface. Take your data analytics to the next level.
Automate data icon

Automate data

Access data that is always up to date by enabling the automatic data refresh on a schedule as often as every 15 minutes and using triggered automation.
Act on data icon

Act on data

Visualize your data by quickly connecting to data visualization and BI tools. Build insightful dashboards in a breeze and make better decisions.
Harvest to Custom MCP questions

22 data types, including Invoices, Tasks, Company, Projects and Users.

You sign in to Harvest and authorize Coupler.io. There's no API key to copy.

Yes. Filter by changed date to load the period you need.

Yes. Available filters include project status. You can also add your own filter conditions.

Any MCP-compatible client. Connect it with the Coupler.io server URL and token, and it can query the Harvest data assigned to it.

No. The data stays in Coupler.io, and the client queries it read-only. It can't edit or delete Harvest rows.

On a schedule you choose, from monthly down to every 15 minutes, depending on your Coupler.io plan.

Yes. Add more sources to the same data flow, for example Clockify or Jira, and join or append them before the data reaches Custom MCP.

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