Sellasist MCP by usefulapi

io.usefulapi/sellasist

Read Sellasist orders, products, stock, customers, invoices, returns; add order notes, set status.

Yes, your AI can use this right now.Answered a live MCP handshake in 1409 ms with no sign-in needed and exposes 27 tools.
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URL: https://sellasist.usefulapi.io/mcp

27 tools, pulled live

Pulled straight from the server with tools/list on 2026-10-27.
sellasist_list_ordersread-only

List orders, newest first, with status, buyer billing address, payment, total, source (Allegro, eBay, Amazon, shop...) and comment. Filter by status, email, name, external id, payment, source or date. Use sellasist_get_order for line items and shipments. GET /orders.

sellasist_get_orderread-only

One order by id: status, buyer and delivery address, payment, shipment method, line items (product ids, EAN, quantities, prices), notes, waybills with tracking numbers, payments and additional fields. GET /orders/{order_id}.

sellasist_search_ordersread-only

Find up to 100 orders created in a date range and/or in one status (id, date, status). Read-only: it uses POST only because the criteria go in the body. POST /orders_search.

sellasist_list_order_statusesread-only

The order statuses configured in the account. Use the ids to filter orders or to change a status. GET /statuses.

sellasist_list_order_notesread-only

Notes written on one order (author id, date, text, visibility). GET /notes/{order_id}.

sellasist_list_order_logsread-only

The audit log of order actions (create, edit, status change, delete, merge, invoice and receipt actions) with date and user id. Filter by order ids, action type or date. GET /orders_logs.

sellasist_list_waybillsread-only

Waybills (shipping labels) with order id, tracking number, creation and delivery date. Filter by order or date. Label files are not returned inline. GET /ordersshipments.

sellasist_list_productsread-only

List products with id, name, EAN, symbol, catalog number, location, price, promo price, stock quantity, reserved quantity and variants. Filter by category, manufacturer, EAN, symbol or catalog number. GET /products.

sellasist_get_productread-only

One product by id: title, category, prices, VAT, stock, sold counts, EAN, symbol, location, weight, qualities, availability, manufacturer and more. GET /products/{product_id}.

sellasist_get_stockread-only

Stock quantity of one product, found by id, EAN, symbol or catalog number (the first one given in that order counts); with none of them, a page of stock levels for all products. GET /products_stock.

sellasist_list_bestsellersread-only

Products ranked by units sold in the last month (sold_last_month), with stock and price. GET /products_bestsellers.

sellasist_list_categoriesread-only

Product categories. GET /categories.

sellasist_get_categoryread-only

One category: names per language, parent category and status. GET /categories/{category_id}.

sellasist_list_warehousesread-only

Warehouses (id, title). Needs the warehouse-management feature, otherwise Sellasist answers HTTP 406. GET /storages.

sellasist_list_customersread-only

Registered customers (the account's buyers). GET /users.

sellasist_get_customerread-only

One customer: email, registration date, billing and delivery address. GET /users/{user_id}.

sellasist_list_invoicesread-only

Invoices (id, number, date). Filter by order, document series or issue date. GET /invoices.

sellasist_get_invoiceread-only

One invoice: number, dates, seller, buyer, currency, line items (net, gross, VAT), total and paid amount. GET /invoices/{invoice_id}.

sellasist_list_returnsread-only

Return documents (RMZ): number, status, source, linked order, refund value and tracking number. Filter by date, order, status, source or return number. GET /returns.

sellasist_get_returnread-only

One return document with status, refund and payment details, tracking, courier and the returned items. GET /returns/{id}.

sellasist_list_payment_methodsread-only

Payment methods (id, title) for filtering orders. GET /payments.

sellasist_list_shipment_methodsread-only

Delivery methods (id, title) for filtering orders. GET /shipments.

sellasist_list_order_sourcesread-only

Order sources available in the account (id, name, type: Allegro, shop, marketplace...). GET /sources.

sellasist_list_integration_accountsread-only

Accounts connected in external services (id, login, type). Only these three fields are returned. GET /external_accounts.

sellasist_list_alertsread-only

Active alerts and system messages shown on the Sellasist dashboard (type, severity, title, message). GET /alerts.

sellasist_add_order_note

WRITE: add a new note to an order. Notes are visible to the account's staff; each call adds another note (nothing is overwritten). POST /notes.

sellasist_update_order_statuscan modify

WRITE: change the status of one order (PUT /orders/{order_id} with only the status). Sellasist may run the status's automations (emails, stock moves). By default the new status is NOT pushed to the marketplace; set send_status_to_external to true to push it. Find status ids with sellasist_list_order_statuses.

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