Kiaro

Enables AI assistants to serve as the only interface for consultant and small-agency billing, recording clients, billable work, expenses and payments, and drafting and issuing invoices. It enforces billing rules server-side, numbering invoices, calculating totals, requiring exact-total approval before issue, and never rewriting an issued invoice.

Enables time tracking and invoicing through natural conversation with MCP clients like Claude or ChatGPT, allowing users to log work hours, query unbilled time, and draft invoices, with a minimal web app for settings, CSV import, and Stripe-powered billing.

UseHourly is a free, open-source timesheet for freelancers. Log your day in seconds, then turn the hours into a PDF invoice. Its remote MCP server gives any AI assistant 30 tools to log and edit time, run timers, manage clients and projects, create invoices and read annual reports. It uses Streamable HTTP with bearer tokens that can be read-only or read-write, set to expire, and are revoked on a p

AI-native business management — invoices, expenses, clients, products, quotes, and webhooks. 31 tools for Claude, Cursor, Windsurf, and Cline.