Your Symitar core has always spoken SOAP. A few years ago, with NexumAPI, we taught it JSON. Today, it speaks plain English 
We're introducing NexumAPI MCP — a Model Context Protocol server that lets the AI tools your team already uses talk directly to SymXchange. Ask a question in natural language, and your assistant pulls the answer straight from the core — no SOAP, no scripts, no spreadsheets in between.
What is NexumAPI MCP?
MCP is the open standard that lets AI assistants securely connect to real systems and act on your behalf. NexumAPI MCP puts SymXchange behind that standard, so Claude, ChatGPT, Cursor, Codex — or any MCP-compatible client — can read accounts, project loans, and run the operations you'd normally script by hand, just by asking.
Because it's built on the same engine as NexumAPI, it covers every SymXchange service, every operation, on any supported version — and it stays in lockstep as your core evolves.
What you can do with it
The old way meant knowing the exact SymXchange service, the operation name, and the precise shape of every request — then stitching the responses together yourself. With NexumAPI MCP, you skip all of that. Your assistant figures out which operations to call, chains them together when one answer feeds the next, and reads the results back in plain language — point it at the core and have a conversation:
"What are the last few transactions for Account # 13824?"
Behind the scenes, your assistant finds the account, pulls its recent transactions, and hands you a clean summary — no SOAP, no scripts. A few more things your team can ask for out of the box:
"Find the account tied to this card number."
"Project the monthly payment on a $25,000 auto loan at 6.9% over 60 months."
"Verify check #1234 on this account."
"Run our month-end PowerOn and summarize the output."
"List the batch jobs and their current status."
Safe by design
This is a banking core, so safe isn't a feature — it's the whole point. NexumAPI MCP is read-only out of the box, and every layer around it is locked down 
- Writes are off by default.Reads ship first. Create, update, delete, and financial operations only appear if your credit union explicitly turns them on.
- Two separate keys.A bearer token authorizes the endpoint; your SymXchange credentials are separate and passed by header — never typed into a prompt or stored in a chat.
- Confirmation on sensitive actions.Anything that moves money or changes a record requires an explicit confirm step before it runs.
- No raw payloads, ever.The AI never hand-writes NaaS JSON. Every call is schema-validated against your core's actual definitions before it leaves.
- Every call is logged.The tool, the member context, and the user behind the request are recorded for a complete audit trail.
Who it's for
NexumAPI MCP is built for the people who run the core — operations, lending, and member services using AI assistants to move faster — and for developers building agents and internal tools on top of Symitar. It's not member-facing; it's a power tool for your team 
Get started
NexumAPI MCP is available now as an opt-in capability for NexumAPI customers, enabled per credit union. Want to give your team a natural-language line to the core? Take a look at NexumAPI or reach out to our team and we'll get you connected.