Invoice by Ouroboros Apps

io.github.LAHutchins91/invoiceVersion 1.0.3

Freelance invoice line items, rates, due dates, and late terms for AI assistants

Status

Responds1060 msNov 14, 2026, 14:39 UTCAnswered our handshake without sign-in.

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Last checked: Nov 14, 2026, 14:39 UTC
Latency: 1060 ms
Remotes responding: 1 of 1
Sign-in: No sign-in
Hosting: Hosted outside the EU (detected)
Registry data as of: Nov 14, 2026, 21:12 UTC

Data from the official MCP Registry, checked by run.zero. How we check

Connect

Streamable HTTP

https://invoice-continuity2.vercel.app/mcpResponds1060 msNov 14, 2026, 14:39 UTC

No sign-in

Claude Code

claude mcp add --transport http invoice https://invoice-continuity2.vercel.app/mcp

Claude Desktop and claude.ai

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Settings > Connectors > Add custom connector
Name: invoice
Remote MCP server URL: https://invoice-continuity2.vercel.app/mcp

Cursor

{
  "mcpServers": {
    "invoice": {
      "url": "https://invoice-continuity2.vercel.app/mcp"
    }
  }
}

VS Code

code --add-mcp '{"name":"invoice","type":"http","url":"https://invoice-continuity2.vercel.app/mcp"}'

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Tools

13 tools

Tools of Invoice by Ouroboros Apps
	Description		Read-only	Idempotent	Open world
`accept_invoice_change`Apply one suggested invoice change after the freelancer explicitly approves that change. Pass confirmed true only then. This is the path that may add a line, change a rate, apply a discount, or move the due date. Calling it is not a substitute for the freelancer's approval.	Apply one suggested invoice change after the freelancer explicitly approves that change. Pass confirmed true only then. This is the path that may add a line, change a rate, apply a discount, or move the due date. Calling it is not a substitute for the freelancer's approval.	Yes	No	Yes	No
`begin_invoice`Start a draft invoice. Draft figures are not an approved commitment until seal_invoice. Currency is a three-letter code. Amounts later are minor units of that currency and are the freelancer's figures.	Start a draft invoice. Draft figures are not an approved commitment until seal_invoice. Currency is a three-letter code. Amounts later are minor units of that currency and are the freelancer's figures.	No	No	No	No
`describe_line`Correct a line description while the invoice is still a draft. After approval, a different description is refused. Use suggest_invoice_change with add_line for a different line.	Correct a line description while the invoice is still a draft. After approval, a different description is refused. Use suggest_invoice_change with add_line for a different line.	Yes	No	No	No
`list_invoices`List the signed-in freelancer's invoices. Use a returned id with read_invoice. Do not guess an invoice.	List the signed-in freelancer's invoices. Use a returned id with read_invoice. Do not guess an invoice.	No	Yes	Yes	No
`offer_discount`Record a discount the freelancer is putting on the invoice. kind none uses value 0. kind percent takes a whole number from 1 to 100. kind fixed takes a whole number of minor units. After the invoice is sealed, a different discount is refused until accept_invoice_change applies an apply_discount suggestion. Do not invent a discount.	Record a discount the freelancer is putting on the invoice. kind none uses value 0. kind percent takes a whole number from 1 to 100. kind fixed takes a whole number of minor units. After the invoice is sealed, a different discount is refused until accept_invoice_change applies an apply_discount suggestion. Do not invent a discount.	Yes	No	No	No
`place_line`Add one line: description, quantity, rate in whole minor units, and unit hour, each, or day. After the invoice is sealed, a new line is refused until accept_invoice_change applies an add_line suggestion.	Add one line: description, quantity, rate in whole minor units, and unit hour, each, or day. After the invoice is sealed, a new line is refused until accept_invoice_change applies an add_line suggestion.	Yes	No	No	No
`quote_line_rate`Set the rate already chosen for one line, as a whole number of minor units in the invoice currency. After the invoice is sealed, a different rate is refused until accept_invoice_change applies a change_rate suggestion.	Set the rate already chosen for one line, as a whole number of minor units in the invoice currency. After the invoice is sealed, a different rate is refused until accept_invoice_change applies a change_rate suggestion.	Yes	No	No	No
`read_invoice`Read the invoice before answering. Quote only this record. Draft status is not an approved commitment. Proposed changes do not authorize a new line, a different rate, a discount, or a new due date.	Read the invoice before answering. Quote only this record. Draft status is not an approved commitment. Proposed changes do not authorize a new line, a different rate, a discount, or a new due date.	No	Yes	Yes	No
`seal_invoice`Mark the current draft as the approved invoice. Pass confirmed true only after the freelancer explicitly approves the lines, quantities, rates, due date, late terms, and any discount already on the draft.	Mark the current draft as the approved invoice. Pass confirmed true only after the freelancer explicitly approves the lines, quantities, rates, due date, late terms, and any discount already on the draft.	Yes	No	Yes	No
`set_invoice_due`Set the due date as a calendar day in YYYY-MM-DD form. After the invoice is sealed, a different date is refused until accept_invoice_change applies a move_due_date suggestion.	Set the due date as a calendar day in YYYY-MM-DD form. After the invoice is sealed, a different date is refused until accept_invoice_change applies a move_due_date suggestion.	Yes	No	No	No
`set_line_quantity`Set the quantity on one line. After the invoice is sealed, a different quantity is refused until accept_invoice_change applies an adjust_quantity suggestion.	Set the quantity on one line. After the invoice is sealed, a different quantity is refused until accept_invoice_change applies an adjust_quantity suggestion.	Yes	No	No	No
`suggest_invoice_change`Record a suggested change. This does not change the invoice. kind add_line requires description, quantity, rateMinor, and unit. kind change_rate requires lineId and rateMinor. kind apply_discount requires discountKind, discountValue, and discountNote. kind move_due_date requires dueOn. kind adjust_quantity requires lineId and quantity. kind revise_late_terms requires graceDays, lateBasis, feeMinor, latePercent, and lateNote.	Record a suggested change. This does not change the invoice. kind add_line requires description, quantity, rateMinor, and unit. kind change_rate requires lineId and rateMinor. kind apply_discount requires discountKind, discountValue, and discountNote. kind move_due_date requires dueOn. kind adjust_quantity requires lineId and quantity. kind revise_late_terms requires graceDays, lateBasis, feeMinor, latePercent, and lateNote.	No	No	No	No
`write_late_terms`Record late terms: grace days, and a basis of none, flat_fee, or percent_per_period. flat_fee uses feeMinor and a percent of 0. percent_per_period uses percent and a fee of 0. After approval, a different basis, grace, fee, or percent is refused until an accepted revise_late_terms suggestion.	Record late terms: grace days, and a basis of none, flat_fee, or percent_per_period. flat_fee uses feeMinor and a percent of 0. percent_per_period uses percent and a fee of 0. After approval, a different basis, grace, fee, or percent is refused until an accepted revise_late_terms suggestion.	Yes	No	No	No

Details

Registry status: Active
Published: Oct 8, 2026
Updated: Oct 8, 2026
Website: https://ouroborosapps.com/docs/invoice⁠ (opens in a new tab)
Repository: https://github.com/LAHutchins91/invoice-mcp⁠ (opens in a new tab)
Categories (suggested): Invoicing and accountingSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared

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