Credit Memo
Issue credit memos against invoices with per-line tax calculations and totals.
Create, edit and finalize credit memos for returned goods, overcharges, discounts or service issues. Track credits by reason and currency, render as Markdown or HTML, and view summaries of total credits issued.
Try asking Muse: "Issue a credit memo to Acme GmbH for 3 returned units at $50 each with 10% tax because they were damaged in shipping."
Source: Found in the official MCP Registry (io.github.theluckystrike/credit-memo) · First listed September 24, 2026
Last 24 hours
Each bar is one check, every 15 minutes. Green means it answered. Last checked 9 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://mcp.zovo.one/mcp/credit-memoNot in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
Technical details: safety screening, tools, response time and recent checks
Response time at the last check: 1236ms. Worked in 100% of checks over 30 days.
Screening · September 24, 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 · 10
credit_note_createIssue a credit note against an invoice, or standalone: the recipient, the reason (returned goods, overcharge, discount correction, service issue, other), line items with quantity, unit price and tax rate, and the currency. Returns a draft you can still revise; credit_note_finalizcredit_note_updateChange a draft credit note while it is still a draft: recipient, reason, lines, currency, invoice reference, issue date or notes. Pass only what changes; new lines replace all old ones. A finalized note is immutable and is refused by name.credit_note_finalizeFinalize a draft: burn the final CN-YYYY-NNNN number and freeze the note. From here it cannot be edited or deleted, only rendered and listed, because it is now the document the client sees. Free tier: 10 finalized credit notes; Pro removes the limit.credit_note_listList credit notes: number or draft id, recipient, reason, status, issue date and total. Filter by recipient (a part of the name is enough), by reason, by status draft or final, and by issue-date period with from and to.credit_note_getReturn one credit note by its CN number or draft id: every line with quantity, unit price and tax, the totals per tax rate, the reason, the invoice it credits, and the notes. Reads only; use credit_note_list for the ids.credit_note_deleteDelete a draft credit note entered wrongly, by its draft id. A finalized note is refused by name: it is a document the client may have seen, and deleting it would leave their copy pointing at nothing.credit_note_renderTurn a credit note into the document: Markdown to paste into an email or ticket, or a self-contained printable HTML page with every style inline. Drafts render with a DRAFT banner so a half-finished credit cannot be sent by mistake. Writes nothing. Free; the free tier stamps a oncredit_note_summaryHow much you have credited: totals per currency over finalized credit notes, broken down by reason and by month, in an optional issue-date period. Drafts count for nothing until they are finalized. Currencies are never added together.license_statusReport this endpoint's licence state for your token as JSON: the product, the tier free or pro, why it is not Pro, and the checkout URL. Call it to explain a free-tier refusal. No arguments, nothing changes.license_activateTurn Pro on for this connection with key, an MCPL1.<payload>.<signature> issued at checkout for this server or the bundle. Data under your token stays; a wrong or expired key changes nothing. license_status confirms it.Recent checks
Link
https://mcp.zovo.one/mcp/credit-memoQuestions about Credit Memo in Muse
How do I connect Credit Memo to Muse?
Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use Credit Memo to help me. It is a free service with an MCP server at https://mcp.zovo.one/mcp/credit-memo. 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 Credit Memo working right now?
At the last check (September 28, 2026, 09:00 UTC) the endpoint was working, answering in 1236ms. Over the last 7 days it answered 100% of health checks. It is checked every 15 minutes.
Is Credit Memo safe to connect to Muse?
It was screened on September 24, 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 Credit Memo do in Muse?
It exposes 10 tools, including credit_note_create, credit_note_update, credit_note_finalize, credit_note_list. For example, you could ask Muse: "Issue a credit memo to Acme GmbH for 3 returned units at $50 each with 10% tax because they were damaged in shipping."
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