MCP Servers
MCP (Model Context Protocol) lets AI agents call Nue's business logic as structured tools. Nue exposes these through a single endpoint — the Nue MCP Gateway — that federates a set of specialized servers behind one authenticated connection. Connect once with per-user OAuth and the assistant works as you, with your permissions. See Connecting to Nue MCP.
Nue Environment | Gateway endpoint |
|---|---|
Nue Production | https://mcp.nue.io/mcp |
Nue Sandbox | https://mcp.sandbox.nue.io/mcp |
Built-in servers (on by default)
Server | Coverage |
|---|---|
Opportunities · Quotes · Orders · Subscriptions · Renewals · Invoices · Credit memos | |
Search & read the Knowledge Center and API reference | |
Products · Pricing rules · Bundles · Pricing plugins |
Available servers (opt-in)
These servers are available and are switched on by an administrator from the MCP Servers list in your tenant. They are not connected by default, because the work they cover is financial and administrative rather than everyday selling.
Server | Coverage |
|---|---|
Invoices · Credit & debit memos · Payments · Billing schedules · Collections · Stripe integration | |
System settings · Data imports & exports · Webhook endpoints |
You can also add your own External MCP Servers — Sigma, Gong, Fellow, or any MCP-compliant tool — so Nue's agents can reach the rest of your stack.
Why a separate server for each domain
Splitting Nue's surface across specialized servers behind the gateway — rather than one monolithic server — gives admins and agents tighter control:
- Scope tools by intent. A renewal motion doesn't need the product-authoring tools; a pricing-rules edit doesn't need customer records. Per-server tool sets keep prompts focused and reduce the chance of unintended actions.
- Per-server governance. Access is managed per server, and the audit trail records which server ran which tool on whose behalf.
- Independent evolution. New tools land on the relevant server without bloating the others.
Learn more
- Nue MCP Servers Overview — what MCP is, the gateway, and how the servers fit together.
- Connecting to Nue MCP — the one-click, per-user OAuth way to connect from ChatGPT, Codex, Claude, Claude Code, and more.