smallinvoice MCP by usefulapi for Claude.ai
io.usefulapi/smallinvoice
Read smallinvoice contacts, invoices, offers, projects and hours; create contacts and invoices.
client:Claude.ai
transport:streamable-http
tools:27
Install smallinvoice MCP by usefulapi in Claude.ai
Settings → Connectors → Add custom connector
https://smallinvoice.usefulapi.io/mcpClaude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs
What Claude.ai can do once it is connected
- smallinvoice_get_owner
- smallinvoice_list_contacts
- smallinvoice_get_contact
- smallinvoice_list_contact_addresses
- smallinvoice_list_contact_people
- smallinvoice_list_contact_groups
- smallinvoice_list_invoices
- smallinvoice_get_invoice
- smallinvoice_list_invoice_payments
- smallinvoice_list_offers
- smallinvoice_get_offer
- smallinvoice_list_order_confirmations
- smallinvoice_get_order_confirmation
- smallinvoice_list_delivery_notes
- smallinvoice_get_delivery_note
- smallinvoice_list_products
- smallinvoice_list_services
- smallinvoice_list_units
- smallinvoice_list_bank_accounts
- smallinvoice_list_projects
- smallinvoice_get_project
- smallinvoice_list_working_hours
- smallinvoice_list_efforts
- smallinvoice_list_activities