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mcp/harbor
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smallinvoice MCP by usefulapi MCP

v1.1.0

io.usefulapi/smallinvoice

Read smallinvoice contacts, invoices, offers, projects and hours; create contacts and invoices.

transport:streamable-http tools:27
View source Website

Target client

run in your project directory 

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

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

smallinvoice_get_owner

smallinvoice get owner

smallinvoice_list_contacts

smallinvoice list contacts

smallinvoice_get_contact

smallinvoice get contact

smallinvoice_list_contact_addresses

smallinvoice list contact addresses

smallinvoice_list_contact_people

smallinvoice list contact people

smallinvoice_list_contact_groups

smallinvoice list contact groups

smallinvoice_list_invoices

smallinvoice list invoices

smallinvoice_get_invoice

smallinvoice get invoice

smallinvoice_list_invoice_payments

smallinvoice list invoice payments

smallinvoice_list_offers

smallinvoice list offers

smallinvoice_get_offer

smallinvoice get offer

smallinvoice_list_order_confirmations

smallinvoice list order confirmations

smallinvoice_get_order_confirmation

smallinvoice get order confirmation

smallinvoice_list_delivery_notes

smallinvoice list delivery notes

smallinvoice_get_delivery_note

smallinvoice get delivery note

smallinvoice_list_products

smallinvoice list products

smallinvoice_list_services

smallinvoice list services

smallinvoice_list_units

smallinvoice list units

smallinvoice_list_bank_accounts

smallinvoice list bank accounts

smallinvoice_list_projects

smallinvoice list projects

smallinvoice_get_project

smallinvoice get project

smallinvoice_list_working_hours

smallinvoice list working hours

smallinvoice_list_efforts

smallinvoice list efforts

smallinvoice_list_activities

smallinvoice list activities

smallinvoice_list_cost_units

smallinvoice list cost units

smallinvoice_create_contact

smallinvoice create contact

smallinvoice_create_invoice

smallinvoice create invoice

All 27 tools, one page each

1 prompt you invoke yourself

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.