Full read-write Claude connector for Acumatica
Have Claude draft orders, enter bills, and update records in Acumatica
Stop clicking through Acumatica screens to enter orders, bills, and record changes by hand. Claude drafts a sales order from an email, enters an AP bill against the right vendor and account, and updates the records you work in, then routes each one for your approval.
Acumatica is a cloud ERP that businesses run financials, distribution, projects, and order management from. People want Claude to do more than look records up: to create and update records like sales orders, bills, and invoices directly in Acumatica.
What is an Acumatica MCP server?
A Acumatica MCP server is a small hosted service that exposes Acumatica's data and actions to Claude over the Model Context Protocol, so Claude can inventory, orders, and operations inside your own account. We build it as a custom connector with separate read and write tools, and destructive actions stay gated behind your approval.
What can Acumatica's current connector do today?
Today, Acumatica has no first-party Claude connector, and any third-party or directory option tends to be read-leaning or to cover a thin slice of the data model. That leaves order entry, bill creation, and record updates as manual work in the screens. A custom connector reaches Acumatica's contract-based REST API and adds scoped write actions with human-in-the-loop controls.
What does full read-write Acumatica access unlock?
Full read-write Acumatica access lets Claude create and update the records you work in: draft a sales order from an email, enter an AP bill against the right vendor and account, raise a customer invoice, or update a customer, item, or inventory record, then route it for your approval. The data entry that used to mean clicking through screens happens where the records already live.
- Draft a sales order from an email or quote you paste in
- Create an AP bill against the right vendor, account, and project
- Draft a customer invoice with line items and route it for your approval
- Create or update customer, vendor, and stock item records
- Post a journal entry to the correct accounts and financial period
- Look up open orders or unpaid bills with a generic inquiry and propose batched edits
Can Claude create a sales order or AP bill in Acumatica?
Yes. With a full read-write connector, Claude can draft a sales order from an email or quote you paste in, and enter an AP bill against the right vendor, account, and project. It prepares the record through Acumatica's contract-based REST API and routes it for your approval before anything is committed.
Can Claude update customer and item records in Acumatica?
Claude can create or update customer, vendor, and stock item records, and raise a customer invoice with line items. It uses dedicated write tools on Acumatica's REST API, so edits flow through the same fields you would touch in the screens, with consequential changes waiting for your confirmation first.
Will Claude post transactions in Acumatica without approval?
No. Posting a journal entry, deleting, and other consequential actions are separate, gated tools that run only after you confirm them. Claude can prepare an order, bill, invoice, or record change, but it never has more access than the Acumatica user you assign, and nothing is posted by surprise.
How an Acumatica connector works
We build a small MCP server that authenticates to Acumatica through its contract-based REST API with the narrowest user role and credentials the work needs. Read tools (record lookup, generic inquiry) and write tools (create order, enter bill, update record) are separated, and posting, deleting, or sending actions require your confirmation. Claude only ever has the access the configured Acumatica user already has, and if your instance allowlists by IP, the server runs inside that boundary.
Frequently asked questions
Can Claude create and update records in Acumatica, not just read them?
Will Claude post transactions or delete records without my approval?
Does the connector get more access than my Acumatica role allows?
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