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Sello MCP by usefulapi MCP Server

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Sello MCP by usefulapi is answering right now. Last checked 8 min ago. It exposes 21 tools. Last commit 2 Nov 2026.

Read orders, products, messages and sales stats; update orders and product stock in Sello.

Uptime history 21 hours of history
21 hours agonow
100.0%
Uptime 24h
75 of 75 checks
21
Tools
read from the server
244 ms
Response time
average over 24h
1
Stars
last commit 2 Nov 2026

What changed 1

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 2 November 2026. No other catalogue keeps this.

2 Nov a tool changed version

Nothing serious here today

Today is the operative word: we check Sello 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.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 8 min ago.

run in your terminal
claude mcp add sello --transport http https://sello.usefulapi.io/mcp
Settings → Connectors → Add custom connector, then paste this address
https://sello.usefulapi.io/mcp
~/.codex/config.toml
[mcp_servers.sello]
url = "https://sello.usefulapi.io/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "sello": {
      "url": "https://sello.usefulapi.io/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "sello": {
      "type": "http",
      "url": "https://sello.usefulapi.io/mcp"
    }
  }
}

Available tools 21

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

sello
sello_count_unread_messages
Count unread sync messages. GET /messages/count.
sello_get_account
Show the Sello account: company, country, currency and invoice status. GET /account.
sello_get_daily_turnover
Show turnover per day for the past 30 days, per integration id. GET /account/stats/turnover/daily.
sello_get_monthly_turnover
Show turnover per month, per integration id. GET /account/stats/turnover/monthly.
sello_get_order
Get one order with all fields. GET /orders/{id}.
sello_get_order_history
Show the change history of one order, 10 items per call. GET /orders/{id}/history.
sello_get_product
Get one product with all fields, by Sello id or by your SKU (private reference). Give exactly one. GET /products/{id} or /products/sku/{sku}.
sello_get_product_history
Show the change history of one product, 20 items per call. GET /products/{id}/history.
sello_get_stats_summary
Show the sales summary of the account. GET /account/stats.
sello_get_stock_worth
Show the worth of the stock. GET /account/stats/stockworth.
sello_get_top_sellers
Show the best selling products. GET /account/stats/topsellers.
sello_list_integrations
List the marketplace and webshop integrations connected to the account (status, market, last order check). Tokens are removed. GET /integrations.
sello_list_messages
List the last 100 marketplace sync messages (errors, warnings). Sello deletes them after 14 days. GET /messages.
sello_list_order_deliveries
List the deliveries (tracking) of one order. GET /orders/{id}/deliveries.
sello_list_order_rows
List the rows (products, quantity, price, tax) of one order. GET /orders/{id}/rows.
sello_list_orders
List 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.
sello_list_products
List products with a limited set of fields (name, SKU, stock, prices per integration). Use `sello_get_product` for all fields. GET /products.
sello_list_statuses
List your order statuses (title, paid/delivered flags). Use the ids with `sello_update_order`. GET /status.
sello_list_suppliers
List your suppliers. GET /suppliers.
sello_update_order
WRITE: 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/{id}.
sello_update_product_quantity
WRITE: 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}.

Endpoints

URLTransportStateLatencyChecked
https://sello.usefulapi.io/mcp streamable-http answering 152 ms 8 min ago

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Sello MCP by usefulapi — questions

Answers built from our own checks of this server.

What can Sello MCP by usefulapi do?
It exposes 21 tools, read directly from the server on our last check. Among them: sello_count_unread_messages, sello_get_account, sello_get_daily_turnover, sello_get_monthly_turnover, sello_get_order, sello_get_order_history and 15 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 Sello MCP by usefulapi working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 75 of 75 checks got a reply (100.0%), average response time 244 ms. The bar chart above shows every period we have measured.
How do I connect Sello 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 Sello MCP by usefulapi need an API key?
No. Sello MCP by usefulapi completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 21 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Sello MCP by usefulapi?
It answers our handshake in 244 ms on average, which is faster than 59% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is Sello 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 sello.usefulapi.io, which runs on its operator's own terms.