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Otis

ChatGPTClaudeCommunityby Boon IT SRL

Otis keeps the billing records of a consultant or small agency: clients, billable hours and timers, expenses, invoices and payments. Your assistant is the interface. Tell it what you worked on, what you spent or who paid, and Otis stores it as structured records. When you are ready to bill, the assistant drafts the invoice from unbilled work. Otis numbers it, calculates totals and tax, and checks it against the business's tax profile before it can be issued. An invoice is issued only after you approve its exact total, and an issued invoice is never rewritten. Payments are recorded against invoices, so the assistant can tell you what is unpaid and what is ready to invoice. Otis records billing facts. It does not send invoices, move money or connect to bank accounts. It runs no AI model of its own: every answer comes from your records and the rules on the server. Sign in with your email; records can be exported in full at any time.

Details

ProductivityFinancial Services
Listed Nov 3, 2026
by Boon IT SRL
Version 1.0.0
MCP endpoint: https://mcp.otisbase.com/mcp · streamable-http
Lifecycle
  1. First seenNov 3, 2026
    created Oct 24, 2026
  2. PublishedLive in ChatGPT
    last changed Nov 5, 2026
  3. Visible in app store•
  4. Featured•
Content updated · Nov 5, 2026

Available tools (25)

billable_recordbillables_listbusiness_getbusiness_setbusinesses_listclient_saveclients_listexpense_recordexpenses_listfeedback_sendinvoice_cancel_draftinvoice_checkinvoice_draftinvoice_getinvoice_issueinvoices_listotis_menupayment_recordpayments_listrecords_exporttax_guidetax_profile_settimer_starttimer_stoptimers_list