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Sellasist MCP by usefulapi

REMOTE · SELLASIST.USEFULAPI.IO

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

−46 this week 18 Trust /100

Last scanned (2 hours ago)

Scores higher than 4% of remote servers

Reachable. Last reached 5 Nov 2026.

Category E-commerce

Trust breakdown (7 categories)

How this component scores in each security and reliability category. Every signal is checked automatically against the live server, and we only credit what we can confirm. How we score → Why this is hard to score →

Endpoint Security46
Transport & Reachability0
Schema Quality & AI Usability0
  • Schema not yet verified: we couldn't read the endpoint's schema, or could read only part of its tool list.Unverified
Stability & Change Management0
  • Stability not yet verified: not enough scan history yet (needs a 30-day window).Unverified
Tool Coverage0
  • Tool coverage not yet verified: we couldn't read the endpoint's tools, or could read only part of the list.Unverified
Tool Safety0
  • Tool safety not yet verified: we couldn't read the endpoint's tools, or could read only part of the list.Unverified
Capabilities0
  • Capabilities not yet verified: we couldn't read the endpoint's capabilities.Unverified

Unverified: 5 categories

Categories scored 0 because we could not verify them: authentication we do not have, an unreachable endpoint, or not enough scan history. We only credit what we can confirm.

Changelog

Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.

  • 2 Nov 26 −50
    • Endpoint reachability: reachable → not serving MCP ▼ security
    • Tool safety: pass → unverified ▼ security
    • Authorization: pass → unverified ▼ security
    • Stability: 0.20 → unverified ▼ security
    • Schema quality: 100 → unverified ▼ functional
    • Capabilities: pass → unverified ▼ functional
    • Tool coverage: 100 → unverified ▼ functional
  • 31 Oct 26 +4
    • Authorization: partial → pass ▲ security
    • MCP protocol: fail → pass ▲ functional
    • New prompt “change_an_order_s_status_and_add_a_note” functional
    • New prompt “check_an_order_before_shipping” functional
    • New prompt “find_orders_that_need_attention” functional
    • New prompt “look_up_invoices” functional
    • New prompt “review_returns_and_refunds” functional
    • New prompt “spot_low_stock_and_bestsellers” functional
    • MCP protocol version: 2025-06-18 → 2025-11-25 functional
    • Server version: 1.7.0 → 1.9.0 functional
    • Server version: 1.6.0 → 1.7.0 functional
    • Server version: 1.5.2 → 1.6.0 functional
  • 30 Oct 26 0
    • Server version: 1.5.1 → 1.5.2 functional
    • Server version: 1.5.0 → 1.5.1 functional
  • 29 Oct 26 0
    • Server version: 1.4.0 → 1.5.0 functional
    • Server version: 1.3.0 → 1.4.0 functional
  • 28 Oct 26 +1
    • Server version: 1.1.0 → 1.3.0 functional
  • 27 Oct 26 0
    • Stability: unverified → 0.03 ▲ functional
    • Server version: 1.0.0 → 1.1.0 functional
  • 26 Oct 26 63

    First indexed and scored.

Diagnostics

Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.

Captured 5 Nov 2026 · Probed https://sellasist.usefulapi.io/mcp

TLS valid

Negotiated TLS 1.3 with TLS_AES_128_GCM_SHA256 .

Subject Issuer Valid from Valid until Key Signature Serial
CN=usefulapi.io CN=WE1,O=Google Trust Services,C=US 13 Sept 2026 12 Dec 2026 ECDSA 256 ECDSA-SHA256 d9be3287b0fde9630e825ba1f79bff3f
SANs: usefulapi.io, *.usefulapi.io
CN=WE1,O=Google Trust Services,C=US (CA) CN=GTS Root R4,O=Google Trust Services LLC,C=US 13 Dec 2023 20 Feb 2029 ECDSA 256 ECDSA-SHA384 7ff31977972c224a76155d13b6d685e3
CN=GTS Root R4,O=Google Trust Services LLC,C=US (CA) CN=GlobalSign Root CA,OU=Root CA,O=GlobalSign nv-sa,C=BE 15 Nov 2023 28 Jan 2028 ECDSA 384 SHA256-RSA 7fe530bf331343bedd821610493d8a1b

Background: What to check on a remote MCP endpoint →

DNSSEC insecure

Validation of sellasist.usefulapi.io. — Not signed

Zone DS Keys Algorithms Outcome
. trust_anchor 20326, 38696 8, 8 Verified
io. present 38690 8 Verified
usefulapi.io. absent Unsigned (proven) parent-signed NSEC/NSEC3 proves an unsigned delegation
Authentication Inconclusive

We could not reach the endpoint well enough to judge its authorisation posture.

Result Inconclusive
HTTP status 302

Background: How OAuth 2.1 works in the 2026 MCP spec →

Transports 2 probes
Transport URL Outcome Status Location
streamable-http https://sellasist.usefulapi.io/mcp Redirected 302 https://usefulapi.io/sellasist/
http (plaintext) http://sellasist.usefulapi.io/mcp Inconclusive 302 http://sellasist.usefulapi.io/mcp
MCP tools · 27 exposed · ~2,603 tokens

The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability. A tool's description is untrusted text the model reads on every call, which is what makes this list a security surface and not just an inventory: how tool poisoning works →

Tool Tokens
sellasist_add_order_note ~68

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.

NameTypeReqDescription
order_idintegeryesSellasist order id.
textstringyesThe note text.

No output schema declared.

No examples provided.

sellasist_get_category ~40

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

NameTypeReqDescription
category_idintegeryesCategory id.

No output schema declared.

No examples provided.

sellasist_get_customer ~41

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

NameTypeReqDescription
customer_idintegeryesCustomer id.

No output schema declared.

No examples provided.

sellasist_get_invoice ~56

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

NameTypeReqDescription
invoice_idintegeryesInvoice id.

No output schema declared.

No examples provided.

sellasist_get_order ~90

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}.

NameTypeReqDescription
order_idintegeryesSellasist order id (the id from sellasist_list_orders, not the marketplace's number).

No output schema declared.

No examples provided.

sellasist_get_product ~66

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

NameTypeReqDescription
product_idintegeryesSellasist product id.

No output schema declared.

No examples provided.

sellasist_get_return ~54

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

NameTypeReqDescription
return_idintegeryesReturn document id (from sellasist_list_returns).

No output schema declared.

No examples provided.

sellasist_get_stock ~141

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.

NameTypeReqDescription
catalog_numberstring–Exact catalog number.
eanstring–Exact EAN.
idinteger–Product id.
limitinteger–Results per page, 1-100 (default 25).
offsetinteger–Number of results to skip (default 0). Pass the previous reply's next_offset.
symbolstring–Exact product symbol.

No output schema declared.

No examples provided.

sellasist_list_alerts ~62

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

NameTypeReqDescription
pageinteger–Page number, from 1 (default 1). Pass the previous reply's next_page.

No output schema declared.

No examples provided.

sellasist_list_bestsellers ~83

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

NameTypeReqDescription
limitinteger–Products per page, 1-100 (default 18).
pageinteger–Page number, from 1 (default 1). Pass the previous reply's next_page.

No output schema declared.

No examples provided.

sellasist_list_categories ~61

Product categories. GET /categories.

NameTypeReqDescription
limitinteger–Results per page, 1-100 (default 25).
offsetinteger–Number of results to skip (default 0). Pass the previous reply's next_offset.

No output schema declared.

No examples provided.

sellasist_list_customers ~67

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

NameTypeReqDescription
limitinteger–Results per page, 1-100 (default 25).
offsetinteger–Number of results to skip (default 0). Pass the previous reply's next_offset.

No output schema declared.

No examples provided.

sellasist_list_integration_accounts ~37

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

Input schema present but exposes no named parameters.

No output schema declared.

No examples provided.

sellasist_list_invoices ~146

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

NameTypeReqDescription
date_fromstring–Issued at or after this date.
date_tostring–Issued at or before this date.
limitinteger–Results per page, 1-100 (default 25).
offsetinteger–Number of results to skip (default 0). Pass the previous reply's next_offset.
order_idinteger–Only invoices of this order.
series_idinteger–Only this document series.
sortstring–Sort order, default desc.

No output schema declared.

No examples provided.

sellasist_list_order_logs ~164

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.

NameTypeReqDescription
date_fromstring–Actions at or after this date.
date_tostring–Actions at or before this date.
limitinteger–Results per page, 1-100 (default 25).
offsetinteger–Number of results to skip (default 0). Pass the previous reply's next_offset.
operation_tagstring–Only this kind of action.
ordersarray–Only these order ids.
sortstring–Sort order (asc or desc).

No output schema declared.

No examples provided.

sellasist_list_order_notes ~47

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

NameTypeReqDescription
order_idintegeryesSellasist order id.

No output schema declared.

No examples provided.

sellasist_list_order_sources ~36

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

Input schema present but exposes no named parameters.

No output schema declared.

No examples provided.

sellasist_list_order_statuses ~37

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

Input schema present but exposes no named parameters.

No output schema declared.

No examples provided.

sellasist_list_orders ~371

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.

NameTypeReqDescription
currencystring–Currency code, e.g. PLN.
date_fromstring–Orders placed at or after this date.
date_tostring–Orders placed at or before this date.
emailstring–Exact buyer email.
email_containsstring–Buyer email starting with this text.
exact_datestring–Orders placed on exactly this date (YYYY-MM-DD).
external_idstring–The order id in the shop or marketplace it was imported from.
first_namestring–Buyer first name (billing address, LIKE match).
from_idinteger–Only orders with an id greater than this.
last_namestring–Buyer last name (billing address, LIKE match).
limitinteger–Results per page, 1-100 (default 25).
offsetinteger–Number of results to skip (default 0). Pass the previous reply's next_offset.
payment_idinteger–Payment method id - see sellasist_list_payment_methods.
payment_statusstring–Payment status.
shipment_idinteger–Delivery method id - see sellasist_list_shipment_methods.
sortstring–Sort by id, default desc (newest first).
sourcestring–Order source.
status_idinteger–Order status id - see sellasist_list_order_statuses.

No output schema declared.

No examples provided.

sellasist_list_payment_methods ~27

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

Input schema present but exposes no named parameters.

No output schema declared.

No examples provided.

sellasist_list_products ~232

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.

NameTypeReqDescription
auction_idstring–Offer id in an external marketplace (Allegro, shop...).
catalog_numberstring–Exact catalog number.
category_idstring–Category id, or several separated by commas - see sellasist_list_categories.
eanstring–Exact EAN.
from_idinteger–Only products with an id greater than this.
limitinteger–Results per page, 1-100 (default 25).
manufacturerstring–Exact manufacturer name.
offsetinteger–Number of results to skip (default 0). Pass the previous reply's next_offset.
sortstring–Sort by id (asc or desc).
statusstring–Only active products (omit for all).
symbolstring–Exact product symbol.

No output schema declared.

No examples provided.

sellasist_list_returns ~188

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

NameTypeReqDescription
date_fromstring–Created at or after this date.
date_tostring–Created at or before this date.
limitinteger–Results per page, 1-100 (default 25).
offsetinteger–Number of results to skip (default 0). Pass the previous reply's next_offset.
order_idinteger–Only returns of this order.
return_numberstring–Exact return number, e.g. RMZ120072026.
sortstring–Sort by id, default desc.
source_idinteger–Return source id.
status_idinteger–Return status id.

No output schema declared.

No examples provided.

sellasist_list_shipment_methods ~29

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

Input schema present but exposes no named parameters.

No output schema declared.

No examples provided.

sellasist_list_warehouses ~40

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

Input schema present but exposes no named parameters.

No output schema declared.

No examples provided.

sellasist_list_waybills ~150

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.

NameTypeReqDescription
date_fromstring–Created at or after this date.
date_tostring–Created at or before this date.
limitinteger–Results per page, 1-100 (default 25).
offsetinteger–Number of results to skip (default 0). Pass the previous reply's next_offset.
order_idinteger–Only waybills of this order.
sortstring–Sort order (asc or desc).

No output schema declared.

No examples provided.

sellasist_search_orders ~128

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.

NameTypeReqDescription
creation_date_fromstring–Created at or after this date.
creation_date_tostring–Created at or before this date.
order_id_frominteger–Start from this order id (for the next batch, pass the last id returned).
statusinteger–Order status id - see sellasist_list_order_statuses.

No output schema declared.

No examples provided.

sellasist_update_order_status ~142

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.

NameTypeReqDescription
order_idintegeryesSellasist order id.
send_status_to_externalboolean–Also send the new status to the external marketplace or shop the order came from.
status_idintegeryesNew status id - see sellasist_list_order_statuses.

No output schema declared.

No examples provided.

Install

How do I install the Sellasist MCP by usefulapi server?

Sellasist MCP by usefulapi is a hosted endpoint at https://sellasist.usefulapi.io/mcp, so there is nothing to install locally. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.

remote · sellasist.usefulapi.io

# add to Claude Code
claude mcp add --transport http io-usefulapi-sellasist 'https://sellasist.usefulapi.io/mcp'
Common questions

What is the Sellasist MCP by usefulapi server?

Sellasist MCP by usefulapi is listed in the public MCP registry as io.usefulapi/sellasist. Read Sellasist orders, products, stock, customers, invoices, returns; add order notes, set status. This page covers its hosted endpoint (https://sellasist.usefulapi.io/mcp).

Is the Sellasist MCP by usefulapi server safe to use?

Sellasist MCP by usefulapi scores 18 out of 100 on VerifyMCP. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.

What tools does the Sellasist MCP by usefulapi server expose?

Sellasist MCP by usefulapi exposes 27 tools: sellasist_list_orders, sellasist_get_order, sellasist_search_orders, sellasist_list_order_statuses, sellasist_list_order_notes, and 22 more. Their descriptions and schemas cost roughly 2,603 tokens of context every time the server is loaded.

Does the Sellasist MCP by usefulapi server require authentication?

Its publisher declares no required credentials for Sellasist MCP by usefulapi. We have not been able to confirm that against the live endpoint, and a server can require authorisation without declaring it here.

Is the Sellasist MCP by usefulapi server still maintained?

Sellasist MCP by usefulapi is still listed as active in the MCP registry. We last reached this channel on 5 November 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.