Sellsy MCP by usefulapi

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

• Connection: Runs in the cloud
• Transport: Streamable HTTP
• Category: Search & AI memory

Install

Pick the AI app you use, then copy the settings.

You need

• Runs in the cloudNothing to install; it connects over the internet

Which app do you use?

https://sellsy.usefulapi.io/mcp

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

{
  "mcpServers": {
    "sellsy": {
      "url": "https://sellsy.usefulapi.io/mcp"
    }
  }
}

{
  "servers": {
    "sellsy": {
      "type": "http",
      "url": "https://sellsy.usefulapi.io/mcp"
    }
  }
}

https://sellsy.usefulapi.io/mcp

Your choice stays on this device in a cookie; no account needed.

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

Tool names and descriptions exactly as the server reported them on Nov 6, 2026. The maker wrote them, not us; we show them as plain text.

• sellsy_search

  Free-text search over companies, individuals, contacts, opportunities, items, documents and staff in one call (GET /search). Use it to find a record by name, email or number when you do not know its type. Needs the search.read scope.

• sellsy_list_companies

  List companies (customers, prospects, suppliers) with paging. Needs companies.read.

• sellsy_search_companies

  Search companies by name, email, type (prospect/client/supplier), reference, VAT, SIRET, country, postal code, creation or update date. Needs companies.read.

• sellsy_get_company

  Get one company by id. Needs companies.read.

• sellsy_list_company_contacts

  List the contacts linked to one company (GET /companies/{id}/contacts). Needs companies.read and contacts.read.

• sellsy_list_individuals

  List individuals (private customers, prospects, suppliers) with paging. Needs individuals.read.

• sellsy_search_individuals

  Search individuals by name, email, type, reference, country, postal code, creation or update date. Needs individuals.read.

• sellsy_get_individual

  Get one individual by id. Needs individuals.read.

• sellsy_list_contacts

  List contacts (people at companies) with paging. Needs contacts.read.

• sellsy_search_contacts

  Search contacts by last name, email, phone, linked company or individual, creation date. Needs contacts.read.

• sellsy_get_contact

  Get one contact by id. Needs contacts.read.

• sellsy_list_opportunities

  List sales opportunities with paging. Needs opportunities.read.

• sellsy_search_opportunities

  Search opportunities by name, number, pipeline, step, status (open/won/lost/cancelled/closed/late), amount, owner or due date. Needs opportunities.read.

• sellsy_get_opportunity

  Get one opportunity by id. Needs opportunities.read.

• sellsy_list_opportunity_pipelines

  List the sales pipelines (needed to create an opportunity: pipeline id and step id). Needs opportunities.read.

• sellsy_list_pipeline_steps

  List the steps of one opportunity pipeline. Needs opportunities.read.

• sellsy_list_estimates

  List estimates (quotes) with paging. Needs estimates.read.

• sellsy_search_estimates

  Search estimates by status, number, date, currency, owner, contact or related company/individual/opportunity. Needs estimates.read.

• sellsy_get_estimate

  Get one estimate by id, with its rows and amounts. Needs estimates.read.

• sellsy_list_invoices

  List invoices with paging. Needs invoices.read.

• sellsy_search_invoices

  Search invoices by status (draft/due/payinprogress/paid/late/cancelled), number, date, currency, owner, or related company/individual/opportunity. Use it for unpaid or late invoices. Needs invoices.read.

• sellsy_get_invoice

  Get one invoice by id, with its rows, amounts and status. Needs invoices.read.

• sellsy_list_invoice_payments

  List the payments linked to one invoice. Needs invoices.read and payments.read.

• sellsy_list_orders

  List orders with paging. Needs orders.read.

• sellsy_search_orders

  Search orders by status or delivery status, or related company/individual/opportunity. Needs orders.read.

• sellsy_get_order

  Get one order by id. Needs orders.read.

• sellsy_list_credit_notes

  List credit notes with paging. Needs credit-notes.read.

• sellsy_get_credit_note

  Get one credit note by id. Needs credit-notes.read.

• sellsy_list_items

  List catalog items (products, services, shipping, packaging) with paging. Needs items.read.

• sellsy_search_items

  Search catalog items by name, reference or type. Needs items.read.

• sellsy_get_item

  Get one catalog item by id. Needs items.read.

• sellsy_search_payments

  Search payments by status (pending/confirmed/rejected/failed/refund) or related company/individual. Needs payments.read.

• sellsy_list_tasks

  List tasks with paging. Needs tasks.read.

• sellsy_search_tasks

  Search tasks by status (todo/done), owner, assignee, label, due date or related record. Needs tasks.read.

• sellsy_get_task

  Get one task by id. Needs tasks.read.

• sellsy_list_task_labels

  List the task labels (a label id is required to create a task). Needs tasks.read.

• sellsy_search_comments

  Search comments and notes by author, date, parent comment or the company/individual/contact they are attached to. Needs comments.read.

• sellsy_list_staffs

  List the staff members of the account (the list may hold only yourself, depending on the Sellsy plan). Needs staffs.read.

• sellsy_create_company

  WRITE: create a company record in Sellsy (a prospect, client or supplier). Needs companies.write. Nothing is sent to the company.

• sellsy_create_individual

  WRITE: create an individual (a private person as prospect, client or supplier) in Sellsy. Needs individuals.write.

• sellsy_create_contact

  WRITE: create a contact (a person) in Sellsy. It is not linked to a company by this call. Needs contacts.write.

• sellsy_create_opportunity

  WRITE: create a sales opportunity linked to a company, individual or contact. Needs a pipeline id and one of its step ids (see sellsy_list_opportunity_pipelines and sellsy_list_pipeline_steps). Needs opportunities.write.

• sellsy_move_opportunity

  WRITE: move an existing opportunity to another step of its pipeline, or to a step of another pipeline (then pass that pipeline too). Only the step (and the pipeline) change; the name, amount, status and links stay. Get the ids from sellsy_get_opportunity, sellsy_list_opportunity_

• sellsy_create_comment

  WRITE: add a comment (note) to a company, individual, contact, opportunity or document. Visible to the Sellsy staff, not sent to the customer. Needs comments.write.

• sellsy_create_task

  WRITE: create a task, optionally attached to a record and assigned to staff. Needs a label id (see sellsy_list_task_labels) and a due date-time. Needs tasks.write.

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 6, 2026

• ✓ Pass

  Maker matches the repo

  The registry name was verified against the domain usefulapi.io (the registry checks domain ownership)

• … Not checked yet

  Still maintained

  We have not read this repo from GitHub yet

• … Not checked yet

  Has a licence

  We have not read this repo from GitHub yet

• ✓ Pass

  Endpoint responds

  Responded in 70 ms (HTTP 200)

• – Not applicable

  Sign-in with OAuth

  No sign-in needed

• ✓ Pass

  No hidden instructions in tool descriptions

  Read 45 tool descriptions and found no hidden instructions to the AI

Compared with others in Search & AI memoryi

• More stars than 0% of the other 7234 servers in this category
• Published to the registry more recently than 97% of the other 7234 servers in this category
• Basic checks equal to or better than 100% of the other 7234 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Alternatives

Servers in the same category from other makers, sorted by stars.

Reading a card:★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

README from the maker

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