STEL Order MCP by usefulapi MCP Server

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answering

STEL Order MCP by usefulapi is answering right now. Last checked 4 min ago. It exposes 16 tools. Last commit 8 Nov 2026.

Read clients, invoices, orders and stock; create or update clients, add contacts in STEL Order.

Uptime history 6 hours of history

6 hours agonow

100.0%

Uptime 24h

21 of 21 checks

Tools

read from the server

194 ms

Response time

average over 24h

Stars

last commit 8 Nov 2026

Nothing serious here today

Today is the operative word: we check STEL Order MCP by usefulapi every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 4 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add stel-order --transport http https://stel-order.usefulapi.io/mcp

Settings → Connectors → Add custom connector, then paste this address

https://stel-order.usefulapi.io/mcp

~/.codex/config.toml

[mcp_servers.stel-order]
url = "https://stel-order.usefulapi.io/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "stel-order": {
      "url": "https://stel-order.usefulapi.io/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "stel-order": {
      "type": "http",
      "url": "https://stel-order.usefulapi.io/mcp"
    }
  }
}

Available tools 16

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

stelorder

stelorder_create_client

WRITE: create one client in STEL Order. Only legal_name is required. Creates a new record in the customer's account. API: POST /app/clients. Usage limits: 60 calls per minute per key, and 300 (Lite), 1000 (Business) or 2000 (Pro) calls per day.

stelorder_create_contact

WRITE: create one contact (a person) in STEL Order, optionally linked to a client with account_id. API: POST /app/contacts. Usage limits: 60 calls per minute per key, and 300 (Lite), 1000 (Business) or 2000 (Pro) calls per day.

stelorder_get_client

Get one client by id, with its addresses, rate and payment settings. API: GET /app/clients/{ID}. Usage limits: 60 calls per minute per key, and 300 (Lite), 1000 (Business) or 2000 (Pro) calls per day.

stelorder_get_company

Get the STEL Order company of this APIKEY: legal name, tax number, plan, subscription status, currency and time zone. Good first call. API: GET /app/company. Usage limits: 60 calls per minute per key, and 300 (Lite), 1000 (Business) or 2000 (Pro) calls per day.

stelorder_get_ordinary_invoice

Get one ordinary invoice by id, with its lines, client, totals and tax. API: GET /app/ordinaryInvoices/{ID}. Usage limits: 60 calls per minute per key, and 300 (Lite), 1000 (Business) or 2000 (Pro) calls per day.

stelorder_get_product

Get one product or service by id, with its prices, tax and stock settings. API: GET /app/products/{ID}. Usage limits: 60 calls per minute per key, and 300 (Lite), 1000 (Business) or 2000 (Pro) calls per day.

stelorder_list_clients

List clients (customers) with their reference, legal name, tax number, contact details and rate. Filter by name, email, tax number or last change time. API: GET /app/clients. Usage limits: 60 calls per minute per key, and 300 (Lite), 1000 (Business) or 2000 (Pro) calls per day.

stelorder_list_contacts

List contacts (people) with their name, email, phone and position. Filter by client (account_id). Use IS_NULL_VALUE as account_id for contacts with no client. API: GET /app/contacts. Usage limits: 60 calls per minute per key, and 300 (Lite), 1000 (Business) or 2000 (Pro) calls per day.

stelorder_list_invoice_receipts

List ordinary invoice receipts: the payment items of invoices, with amount, payment term date, paid and settled flags. Use paid=false and an end_payment_term_date to find unpaid items that are due. API: GET /app/ordinaryInvoiceReceipts. Usage limits: 60 calls per minute per key, and 300 (Lite), 1000 (Business) or 2000 (Pro) calls per day.

stelorder_list_ordinary_invoices

List ordinary invoices with their reference, title, date, client and document state. Filter by date range, client, state or change time. API: GET /app/ordinaryInvoices. Usage limits: 60 calls per minute per key, and 300 (Lite), 1000 (Business) or 2000 (Pro) calls per day.

stelorder_list_products

List products and services with their reference, name, description, barcode and inactive or composite flags. Filter by name, reference, category or change time. API: GET /app/products. Usage limits: 60 calls per minute per key, and 300 (Lite), 1000 (Business) or 2000 (Pro) calls per day.

stelorder_list_sales_estimates

List sales estimates (quotes) with their reference, title, date, client and document state. Filter by date range, client or state. API: GET /app/salesEstimates. Usage limits: 60 calls per minute per key, and 300 (Lite), 1000 (Business) or 2000 (Pro) calls per day.

stelorder_list_sales_orders

List sales orders with their reference, title, date, client and document state. Filter by date range, client, state or parent document. API: GET /app/salesOrders. Usage limits: 60 calls per minute per key, and 300 (Lite), 1000 (Business) or 2000 (Pro) calls per day.

stelorder_list_stock_movements

List stock movements (stock in, out and transfers) with date, item, warehouses, employee and real stock before and after. Filter by item, warehouse, type or change time. API: GET /app/stockMovements. Usage limits: 60 calls per minute per key, and 300 (Lite), 1000 (Business) or 2000 (Pro) calls per day.

stelorder_list_warehouses

List warehouses (stock locations) with their name, description and visibility. API: GET /app/warehouses. Usage limits: 60 calls per minute per key, and 300 (Lite), 1000 (Business) or 2000 (Pro) calls per day.

stelorder_update_client

WRITE: change fields of one existing client. Fields you leave out keep their values. Setting a field changes the live client record. API: PUT /app/clients/{ID}. Usage limits: 60 calls per minute per key, and 300 (Lite), 1000 (Business) or 2000 (Pro) calls per day.

Endpoints

URL	Transport	State	Latency	Checked
https://stel-order.usefulapi.io/mcp	streamable-http	answering	224 ms	4 min ago

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STEL Order MCP by usefulapi — questions

Answers built from our own checks of this server.

What can STEL Order MCP by usefulapi do?

It exposes 16 tools, read directly from the server on our last check. Among them: stelorder_create_client, stelorder_create_contact, stelorder_get_client, stelorder_get_company, stelorder_get_ordinary_invoice, stelorder_get_product and 10 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is STEL Order MCP by usefulapi working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 21 of 21 checks got a reply (100.0%), average response time 194 ms. The bar chart above shows every period we have measured.

How do I connect STEL Order MCP by usefulapi?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does STEL Order MCP by usefulapi need an API key?

No. STEL Order MCP by usefulapi completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 16 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is STEL Order MCP by usefulapi?

It answers our handshake in 194 ms on average, which is faster than 71% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is STEL Order MCP by usefulapi open source?

The code is open source: it is published under the MIT licence, written in JavaScript, 1 stars on GitHub and 1 open issue. The licence covers the code in the repository, not the hosted service at stel-order.usefulapi.io, which runs on its operator's own terms.