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FinancialMCP serverFirst audited Nov 13, 2026

Sello MCP by usefulapi

Read orders, products, messages and sales stats; update orders and product stock in Sello.The vendor's description, from its MCP Registry listing.

Passed public checksAudited Nov 13, 2026

Every public check ran and passed. Public audit: we connect as an AI client would, list the tools and check what they say. We do not run them. How we audit

Does it work?
YesConnected in 190 ms.
Sign-up?
None neededIt answered without any account or key.
Can it change things?
YesSome tools say they can change things. Your AI client should ask you first.
Endpointhttps://sello.usefulapi.io/mcp

Source code Website Streamable HTTP · protocol 2025-11-25 · server version 1.6.1

What we checked, the evidence, and the tools it offers.

What we checked

Security

  • Passed: Connections are encrypted (HTTPS).

  • Passed: No hidden instructions found in tool text.

Safety labels

  • Note: 2 tools are labelled as able to change things.

    Expected for tools that send, write or buy. Your AI client should ask before calling them.

    • sello_update_order
    • sello_update_product_quantity
  • Passed: Every tool says whether it only reads or can change things.

Tools

  • Passed: 21 tools listed.

  • Passed: Every tool describes its inputs with a valid schema.

Protocol

  • Passed: The MCP handshake works (Streamable HTTP).

  • Passed: Protocol version 2025-11-25 (latest).

  • Passed: Unknown requests are refused.

Connection

  • Passed: The server responds.

Tools (21)

As the server describes them. The labels are the server's own: it says whether each tool only reads or can change things.

  • sello_get_accountShow the Sello account: company, country, currency and invoice status. GET /account.Read-only
  • sello_list_ordersList recent orders with a limited set of fields (customer, status, total, paid/delivered flags). Use `sello_get_order` for rows. Optional local filter by `status_id`. GET /orders.Read-only
  • sello_get_orderGet one order with all fields. GET /orders/{id}.Read-only
  • sello_list_order_rowsList the rows (products, quantity, price, tax) of one order. GET /orders/{id}/rows.Read-only
  • sello_list_order_deliveriesList the deliveries (tracking) of one order. GET /orders/{id}/deliveries.Read-only
  • sello_get_order_historyShow the change history of one order, 10 items per call. GET /orders/{id}/history.Read-only
  • sello_list_productsList products with a limited set of fields (name, SKU, stock, prices per integration). Use `sello_get_product` for all fields. GET /products.Read-only
  • sello_get_productGet one product with all fields, by Sello id or by your SKU (private reference). Give exactly one. GET /products/{id} or /products/sku/{sku}.Read-only
  • sello_get_product_historyShow the change history of one product, 20 items per call. GET /products/{id}/history.Read-only
  • sello_list_statusesList your order statuses (title, paid/delivered flags). Use the ids with `sello_update_order`. GET /status.Read-only
  • sello_list_suppliersList your suppliers. GET /suppliers.Read-only
  • sello_list_integrationsList the marketplace and webshop integrations connected to the account (status, market, last order check). Tokens are removed. GET /integrations.Read-only
  • sello_list_messagesList the last 100 marketplace sync messages (errors, warnings). Sello deletes them after 14 days. GET /messages.Read-only
  • sello_count_unread_messagesCount unread sync messages. GET /messages/count.Read-only
  • sello_get_stats_summaryShow the sales summary of the account. GET /account/stats.Read-only
  • sello_get_daily_turnoverShow turnover per day for the past 30 days, per integration id. GET /account/stats/turnover/daily.Read-only
  • sello_get_monthly_turnoverShow turnover per month, per integration id. GET /account/stats/turnover/monthly.Read-only
  • sello_get_stock_worthShow the worth of the stock. GET /account/stats/stockworth.Read-only
  • sello_get_top_sellersShow the best selling products. GET /account/stats/topsellers.Read-only
  • sello_update_orderWRITE: change an order's status, notes or new-flag. Send only the fields to change. Get status ids from `sello_list_statuses`. A status change can trigger Sello automations (mail, stock). PUT /orders…Can change things
  • sello_update_product_quantityWRITE: set the stock quantity of one product by Sello id or by your SKU (give exactly one). Sello then syncs the new quantity to all active marketplaces. PUT /products/{id} or /products/sku/{sku}.Can change things

Audit history

  1. Nov 13Passed

What we sent

Every request in this audit, with the answer and how long it took. We never send credentials and never call a tool.

RequestAnswerTime
initializeHTTP 200190 ms
initializedHTTP 20244 ms
tools/listHTTP 200145 ms
prompts/listHTTP 20028 ms
unknown-methodHTTP 40195 ms

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