MURAGE
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MURAGE

An AI Chief of Staff and a team that does the work. Free and open source, from Ferrox Labs.

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© 2026 Ferrox Labs. Murage is open source under AGPL-3.0.
Operations and finance

Get paid for the work you already did.

Export your overdue invoices. A back-office team sorts them by age and risk, and drafts a polite, firm reminder for each, one step firmer every time. You send them.

Download Murage

Free and open source. macOS, Windows and Ubuntu.

Invoice chasing

Here’s our aged receivables export. Draft a reminder for every invoice over 30 days, friendlier for first reminders, firmer for repeat ones. Send nothing.

Your Chief of Staff put a team on it

  • Numbers
  • Ops
  • Copy

Overdue invoices

  • 16 invoices past 30 days, $18,450 in total
  • 9 first reminders, friendly
  • 5 second reminders, firmer
  • 2 final notices, over 90 days

Waiting for your approval

Send the nine first reminders?

ApproveAsk why

An example of the job. Your team works on your own work.

Split photo of an electrician at his kitchen table: frowning over paper invoices at 11pm, then relaxed with toast and tea at 7am.

The team it puts on it.

Your Chief of Staff picks the specialists the job needs. Each one has its own role, instructions and engine.

  • Numbers

    Sorts invoices by age, amount and history

  • Ops

    Tracks who has been reminded and when

  • Copy

    Writes reminders that are clear, polite and hard to ignore

How it runs.

  1. Step 1Export the listDownload the aged receivables report from your accounting tool and drop it into the project.
  2. Step 2Set the tone ladderFriendly at 30 days, firm at 60, final notice at 90. Your words, kept as a rule.
  3. Step 3A draft per invoiceEach reminder has the amount, the invoice number and the right tone for its age.
  4. Step 4You sendApprove the emails. It keeps a log of who was chased and when.

What the team does, and what waits for you.

On their own

  • Sort and prioritize overdue invoices
  • Draft each reminder
  • Keep a chase log

Waits for you

  • Sending any reminder
  • Anything that touches payments

Start from a ready-made team.

From Murage’s library. Import one, look inside, and give it your brief.

  • Back-Office CrewTurn operational issues into a prioritized daily action list with financial context and clear follow-ups.4 bots

Skills the ready-made teams load.

What the library teams above bring with them. Skill Guard scans each one.

  • Ticket triageSort incoming tickets by urgency and draft replies from your support material.
  • Onboarding flowReview the steps from signup to a customer's first useful result.
  • Churn preventionReview signs of account risk and prepare follow-up drafts.
  • Membership ManagerGuide to membership program management including tier design, benefits, onboarding, engagement strategies, renewal campaigns, communications and events.
  • Operating rhythmIf they ask for a tool stack first, push back: rhythm before tools.
  • Marketing Funnel DiagnosisMarketing funnel assessment evaluating conversion rates, drop-off points and channel effectiveness.

What you need.

What it takes to run this job. The Murage app is free; your AI provider bills you as usual.

  • Murage and an AI engine (your existing Claude or ChatGPT plan, or an API key)
  • Your aged receivables report, exported from your accounting tool. No built-in accounting integration: if QuickBooks or Xero is in the connected-apps catalog you can connect it, and exports always work
  • Gmail or Outlook through Flux Router credits or your own connected-apps key, if you want the reminders drafted as emails

What you pay, and who you pay

Rather have it set up for you?

We build your first invoice chasing team with you, connect your tools and write your House Rules. Tell us what you need and we’ll quote before anything is booked.

Get it set up for youPartner program: apply for the founding cohort

Questions about invoice chasing.

Does it connect to QuickBooks or Xero?+

There is no built-in accounting integration. If QuickBooks or Xero is in the connected-apps catalog you can connect it with Flux Router credits or your own connected-apps key, and exports always work.

Will it mark invoices as paid?+

No. It drafts and tracks the chase. Your books stay in your accounting tool.

Put a team on something else.

  • Monthly numbersWhat moved last month, and why, on one page.
  • Inbox triageOpen your inbox to drafts, not a pile.
  • Follow-upsA drafted follow-up for every lead that went quiet, ready by Friday.

Invoice chasing: hand it to a team tonight.

Give your first job to Murage.

Download the free app, connect the AI you already pay for, and tell your Chief of Staff what needs doing. Plan on about ten minutes from install to a working team.

Free · Download Murage

No account needed · Runs on the AI plan you already pay for