PaidPilot Invoice Tools
Draft payment reminders, calculate late fees, validate invoices and generate invoices from timesheets.
Connects to PaidPilot's invoice system. Helps small business owners and freelancers draft payment reminder emails, calculate late fees with grace periods and compounding options, validate invoice JSON, check payment terms like Net 30, and convert time entries into invoices.
Try asking Muse: "Generate a friendly payment reminder for an invoice that's 5 days overdue and calculate what late fee to charge."
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Source: Found in the official MCP Registry (io.paidpilot.api/invoice-tools) · First listed October 28, 2026
Last 24 hours
Each bar is one check, every 15 minutes. Green means it answered. Last checked 27 min ago.
Is it safe to connect?
What Muse can see: It does not ask you to sign in, so it cannot see your accounts. It only sees what Muse sends it from your request.
Before it acts: Read what Muse plans to do before you approve it, and remove the app from Muse when you stop using it.
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How to add it to Muse
Not in Muse's Connectors list yet, but Muse can still use it. Copy the request below and paste it into Muse. Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
https://api.paidpilot.io/mcpNot in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
Also use it in ChatGPT or Claude
PaidPilot Invoice Tools is a remote MCP server, so any assistant that can add a custom connector by link can use it. Same link, same tools.
Add it to ChatGPT
- 1
Open ChatGPT settings
In ChatGPT, open Settings, then Connectors (called Apps & Connectors on some accounts).
- 2
Turn on developer mode
Under Advanced settings, switch on Developer mode. That is what lets you add a connector by link.
- 3
Create the connector
Choose Create, give it a name, paste the link as the MCP server URL, and save. If it needs a sign-in, ChatGPT asks for it here.
- 4
Use it in a chat
Start a chat, open the tools menu, pick the connector, and ask. ChatGPT asks before it runs a tool the first time.
Custom connectors need a paid ChatGPT plan, and on Team, Enterprise and Edu accounts only an admin can add them. Our "Working" label means the server answered us; it cannot tell whether your plan lets you add it. All connectors that work in ChatGPT
Add it to Claude
- 1
Open Claude settings
In Claude, open Settings, then Connectors.
- 2
Add a custom connector
Choose Add custom connector, give it a name, and paste the link.
- 3
Connect and use it
If it needs a sign-in, Claude sends you to it. Then turn the connector on in a chat from the tools menu and ask.
Custom connectors are available on paid Claude plans; on Team and Enterprise accounts an admin may need to add them. Our "Working" label means the server answered us; it cannot tell whether your plan lets you add it. All connectors that work in Claude
https://api.paidpilot.io/mcpWhat people ask Muse to do
Technical details: safety screening, tools, response time and recent checks
Response time at the last check: 392ms. Worked in 100% of checks over 30 days.
Screening · October 28, 2026
Screened, no issues found
Screening looks for known threats and hidden instructions at the time of the check, and runs again weekly and whenever the tool list changes. It cannot see the server's code, so only connect what you need and review what Muse asks to do. How screening works.
Tools · 7
pricingFree. Return the price of every paid tool and of the HTTP invoice PDF route, the payment network (Base) and the receiving address. No input, no network request, no payment.validate_invoiceFree. Validate an invoice JSON (the body for POST /v1/invoice.pdf, or the output of invoice_from_timesheet) and return computed subtotal, discount, tax and total, or a list of field errors. Same checks as the paid PDF route. Offline, no payment.payment_reminder_draftDraft a payment reminder email for one unpaid invoice in a friendly, firm or final-notice tone. Returns a subject, plain-text body, days overdue and a suggested next step. Use late_fee_calc first if you want the fee amount quoted in the email. Draft only: nothing is sent. Pure calate_fee_calcCalculate the late fee on one overdue invoice: flat fee, monthly % or annual %, simple or compounding, with optional grace days. Returns days late, the fee, the new total and a line to paste on the invoice. Use payment_terms_check instead to work out when an invoice is due. Not lpayment_terms_checkWork out the due date and status for payment terms such as Net 30, 2/10 Net 30, Due on receipt, EOM or Net 30 EOM. Returns the early-payment discount amount and deadline, the annualized cost of skipping the discount, and suggested reminder dates. Use late_fee_calc once the invoicinvoice_from_timesheetTurn time entries (hours x rate, with optional rounding, grouping by task and expenses) into a validated invoice JSON with totals, ready for POST /v1/invoice.pdf. Use validate_invoice (free) instead if you already have an invoice. Pure calculation: no network request, nothing is receivables_health_reportGrade the health of a business's accounts receivable from its invoice list. Send a CSV export (QuickBooks, Xero, FreshBooks, Wave, Stripe or any CSV with customer and amount columns; columns are auto-detected) or JSON rows, up to 1000 invoices. Returns an A-F grade and 0-100 scorRecent checks
Link
https://api.paidpilot.io/mcpQuestions about PaidPilot Invoice Tools in Muse
How do I connect PaidPilot Invoice Tools to Muse?
Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use PaidPilot Invoice Tools to help me. It is a free service with an MCP server at https://api.paidpilot.io/mcp. It does not need an API key. Ask me before you share anything with it." Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
Is PaidPilot Invoice Tools working right now?
At the last check (October 29, 2026, 11:30 UTC) the endpoint was working, answering in 392ms. Over the last 7 days it answered 100% of health checks. It is checked every 15 minutes.
Is PaidPilot Invoice Tools safe to connect to Muse?
It was screened on October 28, 2026 with the result "screened, no issues found". Screening checks the domain against threat feeds and reads the tools for hidden instructions and requests for passwords or card numbers. It cannot see the server's code, so grant only the access you need.
What can PaidPilot Invoice Tools do in Muse?
It exposes 7 tools, including pricing, validate_invoice, payment_reminder_draft, late_fee_calc. For example, you could ask Muse: "Generate a friendly payment reminder for an invoice that's 5 days overdue and calculate what late fee to charge."
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