Sellsy MCP by usefulapi MCP Tools
Sellsy MCP by usefulapi exposes 44 tools. Each one has its own page with the configuration for every client that can run this server.
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sellsy_searchsellsy search
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sellsy_list_companiessellsy list companies
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sellsy_search_companiessellsy search companies
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sellsy_get_companysellsy get company
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sellsy_list_company_contactssellsy list company contacts
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sellsy_list_individualssellsy list individuals
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sellsy_search_individualssellsy search individuals
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sellsy_get_individualsellsy get individual
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sellsy_list_contactssellsy list contacts
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sellsy_search_contactssellsy search contacts
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sellsy_get_contactsellsy get contact
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sellsy_list_opportunitiessellsy list opportunities
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sellsy_search_opportunitiessellsy search opportunities
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sellsy_get_opportunitysellsy get opportunity
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sellsy_list_opportunity_pipelinessellsy list opportunity pipelines
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sellsy_list_pipeline_stepssellsy list pipeline steps
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sellsy_list_estimatessellsy list estimates
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sellsy_search_estimatessellsy search estimates
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sellsy_get_estimatesellsy get estimate
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sellsy_list_invoicessellsy list invoices
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sellsy_search_invoicessellsy search invoices
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sellsy_get_invoicesellsy get invoice
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sellsy_list_invoice_paymentssellsy list invoice payments
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sellsy_list_orderssellsy list orders
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sellsy_search_orderssellsy search orders
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sellsy_get_ordersellsy get order
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sellsy_list_credit_notessellsy list credit notes
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sellsy_get_credit_notesellsy get credit note
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sellsy_list_itemssellsy list items
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sellsy_search_itemssellsy search items
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sellsy_get_itemsellsy get item
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sellsy_search_paymentssellsy search payments
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sellsy_list_taskssellsy list tasks
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sellsy_search_taskssellsy search tasks
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sellsy_get_tasksellsy get task
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sellsy_list_task_labelssellsy list task labels
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sellsy_search_commentssellsy search comments
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sellsy_list_staffssellsy list staffs
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sellsy_create_companysellsy create company
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sellsy_create_individualsellsy create individual
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sellsy_create_contactsellsy create contact
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sellsy_create_opportunitysellsy create opportunity
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sellsy_create_commentsellsy create comment
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sellsy_create_tasksellsy create task
This list was read from the server itself, by connecting to it and calling tools/list on 25 October 2026. It is what
the server actually exposes, not what its listing claims.
Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.