Alpaca Trading API integration for Model Context Protocol (MCP)
Papierkram MCP by usefulapi is installed from its publisher's own source and answers where it runs, so this marketplace is not in the path of a single call. There is no address here to send one to, and a panel that pretended otherwise would be showing you an answer we made up. Install it and call it from your own client — the Installation tab has the entry for each one.
What it does
Read Papierkram invoices, vouchers, contacts, projects, time; create contacts, time, draft invoices.
Quickstart
# 1 — add it to Claude Code
claude mcp add --scope user --transport http papierkram-mcp-by-usefulapi https://papierkram.usefulapi.io/mcp
# 2 — ask your agent for something these tools do
# papierkram_get_info, papierkram_list_companies, papierkram_get_company and 30 more
Papierkram MCP by usefulapi costs nothing on mcprush: there is no plan to choose here, no cap to set and nothing mcprush can bill you for.
Collected from a public index. Nobody has claimed this account, so nothing here was written by its author — claim it if it is yours.
Where are you running it?
Every route below installs the same thing and ends at the same approval screen. Nothing here runs on your machine and nothing runs on ours: this server answers at its publisher’s own address, and what you install is the connection straight to it.
This is a public server: it answers at its publisher’s own address and this marketplace is not in the path. Claude Code registers it in one command; --scope user makes it available in every project. The transport below is http, as the publisher's own manifest declares it.
claude mcp add --scope user --transport http papierkram-mcp-by-usefulapi https://papierkram.usefulapi.io/mcpReconnect, or start a new session, and the tools appear in the model’s tool list.
One config entry pointing straight at the publisher’s own address — this marketplace is not in the path, and nothing from this listing executes on your machine.
33 tools, with what each one reads, writes and reaches shown before you agree — the same list on every route above. Read the tool surface.
Tool surface
What the model actually sees. Descriptions are diffed on every release — see version history.
Read the API version and the account's custom invoice templates (ids usable as custom_template_id when creating an invoice).
No parameter schema on file.
List contacts (companies: customers and suppliers) with address, VAT id and contact data. Paged.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| order_by | string | no | Field to sort by, e.g. document_date. Must be used together with order_direction. |
| order_direction | string | no | Sort direction. Must be used together with order_by. |
| page | integer | no | Page number, 1-based (default 1). Use next_page from the previous reply. |
| page_size | integer | no | Results per page, 1-100 (default 100). |
Get one contact (company) by id, with its people.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| id | yes | Company id (from papierkram_list_companies). |
List the contact persons of one company. Paged.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| company_id | yes | Company id (from papierkram_list_companies). | |
| order_by | string | no | Field to sort by, e.g. document_date. Must be used together with order_direction. |
| order_direction | string | no | Sort direction. Must be used together with order_by. |
| page | integer | no | Page number, 1-based (default 1). Use next_page from the previous reply. |
| page_size | integer | no | Results per page, 1-100 (default 100). |
Get one contact person of a company.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| company_id | yes | Company id. | |
| id | yes | Person id (from papierkram_list_persons). |
List outgoing invoices (Ausgangsrechnungen) with state (draft, ...), dates, totals and outstanding_amount. Filter by company, project or document date range. Paged.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| company_id | no | Only invoices of this company. | |
| project_id | no | Only invoices of this project. | |
| document_date_range_start | string | no | Only documents dated on or after this day (yyyy-mm-dd). |
| document_date_range_end | string | no | Only documents dated on or before this day (yyyy-mm-dd). |
| order_by | string | no | Field to sort by, e.g. document_date. Must be used together with order_direction. |
| order_direction | string | no | Sort direction. Must be used together with order_by. |
| page | integer | no | Page number, 1-based (default 1). Use next_page from the previous reply. |
| page_size | integer | no | Results per page, 1-100 (default 100). |
Get one outgoing invoice with its line items, billing address and payment term.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| id | yes | Invoice id (from papierkram_list_invoices). |
List estimates (Angebote) with state, dates and totals. Filter by company, project or document date range. Paged.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| company_id | no | Only estimates of this company. | |
| project_id | no | Only estimates of this project. | |
| document_date_range_start | string | no | Only documents dated on or after this day (yyyy-mm-dd). |
| document_date_range_end | string | no | Only documents dated on or before this day (yyyy-mm-dd). |
| order_by | string | no | Field to sort by, e.g. document_date. Must be used together with order_direction. |
| order_direction | string | no | Sort direction. Must be used together with order_by. |
| page | integer | no | Page number, 1-based (default 1). Use next_page from the previous reply. |
| page_size | integer | no | Results per page, 1-100 (default 100). |
Get one estimate with its line items.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| id | yes | Estimate id (from papierkram_list_estimates). |
List expense vouchers (Belege / incoming invoices and receipts) with creditor, state, dates and amounts. Filter by creditor (supplier company), project or document date range. Paged.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| creditor_id | no | Only vouchers of this creditor (company id of the supplier). | |
| project_id | no | Only vouchers of this project. | |
| document_date_range_start | string | no | Only documents dated on or after this day (yyyy-mm-dd). |
| document_date_range_end | string | no | Only documents dated on or before this day (yyyy-mm-dd). |
| order_by | string | no | Field to sort by, e.g. document_date. Must be used together with order_direction. |
| order_direction | string | no | Sort direction. Must be used together with order_by. |
| page | integer | no | Page number, 1-based (default 1). Use next_page from the previous reply. |
| page_size | integer | no | Results per page, 1-100 (default 100). |
Get one expense voucher with its line items.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| id | yes | Voucher id (from papierkram_list_vouchers). |
List the payment term templates (ids needed as payment_term_id when creating an invoice).
| Parameter | Type | Required | Notes |
|---|---|---|---|
| order_by | string | no | Field to sort by, e.g. document_date. Must be used together with order_direction. |
| order_direction | string | no | Sort direction. Must be used together with order_by. |
| page | integer | no | Page number, 1-based (default 1). Use next_page from the previous reply. |
| page_size | integer | no | Results per page, 1-100 (default 100). |
List the stored products and services (Leistungen/Artikel) with article number, price and unit (the VAT rate is only in papierkram_get_proposition). Paged.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| order_by | string | no | Field to sort by, e.g. document_date. Must be used together with order_direction. |
| order_direction | string | no | Sort direction. Must be used together with order_by. |
| page | integer | no | Page number, 1-based (default 1). Use next_page from the previous reply. |
| page_size | integer | no | Results per page, 1-100 (default 100). |
Get one stored product or service, including its vat_rate (name such as 19% and rate such as 0.19).
| Parameter | Type | Required | Notes |
|---|---|---|---|
| id | yes | Proposition id (from papierkram_list_propositions). |
List projects with dates, budget and state. Filter by company. Paged.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| company_id | no | Only projects of this company. | |
| order_by | string | no | Field to sort by, e.g. document_date. Must be used together with order_direction. |
| order_direction | string | no | Sort direction. Must be used together with order_by. |
| page | integer | no | Page number, 1-based (default 1). Use next_page from the previous reply. |
| page_size | integer | no | Results per page, 1-100 (default 100). |
Get one project by id.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| id | yes | Project id (from papierkram_list_projects). |
List time-tracking tasks. Filter by project or product/service. Paged.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| project_id | no | Only tasks of this project. | |
| proposition_id | no | Only tasks of this product/service. | |
| order_by | string | no | Field to sort by, e.g. document_date. Must be used together with order_direction. |
| order_direction | string | no | Sort direction. Must be used together with order_by. |
| page | integer | no | Page number, 1-based (default 1). Use next_page from the previous reply. |
| page_size | integer | no | Results per page, 1-100 (default 100). |
Get one task by id.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| id | yes | Task id (from papierkram_list_tasks). |
List tracked time entries. Filter by project, task, invoice, user, billing state or start time range (RFC 3339 date-time). Paged.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| project_id | no | Only entries of this project. | |
| task_id | no | Only entries of this task. | |
| invoice_id | no | Only entries billed on this invoice. | |
| user_id | no | Only entries of this user (from papierkram_list_users). | |
| billing_state | string | no | Only entries in this billing state. |
| start_time_range_start | string | no | Only entries started at or after this time, RFC 3339, e.g. 2026-10-01T00:00:00Z. |
| start_time_range_end | string | no | Only entries started at or before this time, RFC 3339. |
| order_by | string | no | Field to sort by, e.g. document_date. Must be used together with order_direction. |
| order_direction | string | no | Sort direction. Must be used together with order_by. |
| page | integer | no | Page number, 1-based (default 1). Use next_page from the previous reply. |
| page_size | integer | no | Results per page, 1-100 (default 100). |
Get one time entry by id.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| id | yes | Time entry id (from papierkram_list_time_entries). |
List the bank accounts connected to Papierkram (name, IBAN, balance data as Papierkram reports it). Paged.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| order_by | string | no | Field to sort by, e.g. document_date. Must be used together with order_direction. |
| order_direction | string | no | Sort direction. Must be used together with order_by. |
| page | integer | no | Page number, 1-based (default 1). Use next_page from the previous reply. |
| page_size | integer | no | Results per page, 1-100 (default 100). |
List bank transactions (value, currency, usage text, booking date, counterparty). Filter by bank connection. Paged.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| bank_connection_id | no | Only transactions of this bank connection (from papierkram_list_bank_connections). | |
| order_by | string | no | Field to sort by, e.g. document_date. Must be used together with order_direction. |
| order_direction | string | no | Sort direction. Must be used together with order_by. |
| page | integer | no | Page number, 1-based (default 1). Use next_page from the previous reply. |
| page_size | integer | no | Results per page, 1-100 (default 100). |
Get one bank transaction by id.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| id | yes | Transaction id (from papierkram_list_bank_transactions). |
List the users of the account (ids needed as user_id for time entries and tasks).
| Parameter | Type | Required | Notes |
|---|---|---|---|
| order_by | string | no | Field to sort by, e.g. document_date. Must be used together with order_direction. |
| order_direction | string | no | Sort direction. Must be used together with order_by. |
| page | integer | no | Page number, 1-based (default 1). Use next_page from the previous reply. |
| page_size | integer | no | Results per page, 1-100 (default 100). |
Get one user by id.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| id | yes | User id (from papierkram_list_users). |
WRITE: create a contact (company) in Papierkram. Papierkram assigns the customer number. Nothing is sent to the contact. Check papierkram_list_companies first to avoid duplicates. Costs Papierkram API credits (a create 10, an invoice 50; the monthly quota is limited).
| Parameter | Type | Required | Notes |
|---|---|---|---|
| name | string | yes | Company name. |
| contact_type | string | yes | customer or supplier (required). |
| phone | string | no | Phone. |
| string | no | E-mail address. | |
| website | string | no | Website. |
| ust_idnr | string | no | VAT id (USt-IdNr.), e.g. DE123456789. |
| delivery_method | string | no | How documents are delivered to this contact. |
| postal_street | string | no | Postal address: street and number. |
| postal_zip | string | no | Postal address: ZIP. |
| postal_city | string | no | Postal address: city. |
| postal_country | string | no | Postal address: country. |
| bank_iban | string | no | IBAN. |
| bank_bic | string | no | BIC. |
| notes | string | no | Internal notes. |
WRITE: change fields of an existing contact (only the fields you pass are changed). Read it first with papierkram_get_company.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| id | yes | Company id. | |
| name | string | no | New company name. |
| contact_type | string | no | customer or supplier. |
| phone | string | no | Phone. |
| string | no | E-mail address. | |
| website | string | no | Website. |
| ust_idnr | string | no | VAT id (USt-IdNr.), e.g. DE123456789. |
| delivery_method | string | no | How documents are delivered to this contact. |
| postal_street | string | no | Postal address: street and number. |
| postal_zip | string | no | Postal address: ZIP. |
| postal_city | string | no | Postal address: city. |
| postal_country | string | no | Postal address: country. |
| bank_iban | string | no | IBAN. |
| bank_bic | string | no | BIC. |
| notes | string | no | Internal notes. |
WRITE: add a contact person to an existing company. Nothing is sent to the person. Costs Papierkram API credits (a create 10, an invoice 50; the monthly quota is limited).
| Parameter | Type | Required | Notes |
|---|---|---|---|
| company_id | yes | Company id. | |
| first_name | string | yes | First name. |
| last_name | string | yes | Last name. |
| salutation | string | no | Salutation, e.g. Herr or Frau. |
| position | string | no | Position. |
| department | string | no | Department. |
| phone | string | no | Phone. |
| mobile | string | no | Mobile phone. |
| string | no | E-mail address. | |
| comment | string | no | Comment. |
WRITE: create a project for a customer. Costs Papierkram API credits (a create 10, an invoice 50; the monthly quota is limited).
| Parameter | Type | Required | Notes |
|---|---|---|---|
| name | string | yes | Project name. |
| customer_id | yes | Company id of the customer (from papierkram_list_companies). | |
| description | string | no | Description. |
| start_date | string | no | Start date yyyy-mm-dd. |
| end_date | string | no | End date yyyy-mm-dd. |
| budget_type | string | no | Budget kind; then pass budget_money or budget_time. |
| budget_money | string | no | Money budget, e.g. 5000.00. |
| budget_time | string | no | Time budget in budget_time_unit. |
| budget_time_unit | string | no | Unit of budget_time. |
WRITE: create a time-tracking task in a project. Costs Papierkram API credits (a create 10, an invoice 50; the monthly quota is limited).
| Parameter | Type | Required | Notes |
|---|---|---|---|
| name | string | yes | Task name. |
| project_id | yes | Project id (from papierkram_list_projects). | |
| proposition_id | no | Product/service id the time is billed with (from papierkram_list_propositions). | |
| user_id | no | User assigned to the task (from papierkram_list_users). | |
| deadline | string | no | Deadline yyyy-mm-dd. |
WRITE: record a time entry (worked time) on a task. Not billed until an invoice is made. Costs Papierkram API credits (a create 10, an invoice 50; the monthly quota is limited).
| Parameter | Type | Required | Notes |
|---|---|---|---|
| task_id | yes | Task id (from papierkram_list_tasks). | |
| user_id | yes | User who worked (from papierkram_list_users). | |
| entry_date | string | yes | Day of the work, yyyy-mm-dd. |
| started_at_time | string | yes | Start time HH:MM. |
| ended_at_time | string | yes | End time HH:MM. |
| comments | string | no | What was done. |
| unbillable | boolean | no | True when the time must not be billed. |
WRITE: create a stored product or service (Leistung/Artikel) with a price. Costs Papierkram API credits (a create 10, an invoice 50; the monthly quota is limited).
| Parameter | Type | Required | Notes |
|---|---|---|---|
| name | string | yes | Name. |
| article_no | string | yes | Article number. |
| proposition_type | string | yes | service, product or ecommerce. |
| time_unit | string | yes | Time unit used for time tracking with this item. |
| vat_rate | string | yes | VAT rate as Papierkram writes it, e.g. 19% (see vat_rate.name of an existing item from papierkram_get_proposition). |
| price | string | no | Net unit price, e.g. 99.50. |
| description | string | no | Description. |
| unit_name_1 | string | no | Unit name singular, e.g. Stunde. |
| unit_name_n | string | no | Unit name plural, e.g. Stunden. |
WRITE: create a DRAFT outgoing invoice (state draft; it is NOT finalized or sent, and gets no invoice number until the user completes it in Papierkram). Needs a payment term id (papierkram_list_payment_terms) and at least one line item. Use papierkram_list_invoices afterwards to check it. Costs Papierkram API credits (a create 10, an invoice 50; the monthly quota is limited).
| Parameter | Type | Required | Notes |
|---|---|---|---|
| name | string | yes | Invoice title/subject. |
| customer_id | yes | Company id of the customer (from papierkram_list_companies). | |
| payment_term_id | yes | Payment term id (from papierkram_list_payment_terms). | |
| contact_person_id | no | Contact person of the customer (from papierkram_list_persons). | |
| project_id | no | Project the invoice belongs to. | |
| custom_template_id | no | Custom invoice template id (from papierkram_get_info). | |
| document_date | string | no | Invoice date yyyy-mm-dd (default today). |
| supply_date | string | no | Supply/service date or period as text, e.g. 01.10.2026 - 14.10.2026. |
| description | string | no | Notes shown on the invoice. |
| gross | boolean | no | False (default): prices are net. True: prices are gross. |
| line_items | array | yes | The invoice lines. |
- Every tool — any call limit is its publisher’s, not ours
- No card, and mcprush charges nothing for it
- Runs at its publisher’s own address — this marketplace is not in the path
- Nothing to cap, because mcprush bills nothing
What counts against your monthly calls
| Tool | Unit | Calls used | Out of the allowance |
|---|
Nothing here is billable: mcprush charges nothing to install Papierkram MCP by usefulapi or to call it, at any volume.
Two independent axes, because powerful and malicious are different questions. The grade is threat only. The capability level is blast radius, and it is never a penalty on the grade — it is priced as one subtract-only term in the score, where you can see it.
| Term | Level | What it prices | Points |
|---|---|---|---|
| capability-exposure | moderate | capability blast radius (moderate) — client exposure if the model is manipulated | −3 |
| coverage-honesty | manifest | inspection depth (manifest) — how much of the target the scan could see | −4 |
What the scan could actually read
A grade is only as meaningful as its coverage, so the scanner publishes its own depth before it publishes its result.
The scan read each tool’s name, description, input schema and annotations exactly as the server listed them the last time it answered us; no code was reviewed. We ask the server again about once a month, and a list that changed is graded again.
The implementation source was not read — this reflects the declared tool metadata only.
Capability — what it could do if the model were manipulated
Tags derived from each tool’s schema and the implementation, not from what the tool calls itself. moderate is the level these add up to.
| Tool | Capability tags | Why the tag was assigned |
|---|---|---|
| papierkram_get_info | no tags | |
| papierkram_list_companies | no tags | |
| papierkram_get_company | no tags | |
| papierkram_list_persons | no tags | |
| papierkram_get_person | no tags | |
| papierkram_list_invoices | no tags | |
| papierkram_get_invoice | no tags | |
| papierkram_list_estimates | no tags | |
| papierkram_get_estimate | no tags | |
| papierkram_list_vouchers | no tags | |
| papierkram_get_voucher | no tags | |
| papierkram_list_payment_terms | no tags | |
| papierkram_list_propositions | no tags | |
| papierkram_get_proposition | no tags | |
| papierkram_list_projects | no tags | |
| papierkram_get_project | no tags | |
| papierkram_list_tasks | no tags | |
| papierkram_get_task | no tags | |
| papierkram_list_time_entries | no tags | |
| papierkram_get_time_entry | no tags | |
| papierkram_list_bank_connections | no tags | |
| papierkram_list_bank_transactions | no tags | |
| papierkram_get_bank_transaction | no tags | |
| papierkram_list_users | no tags | |
| papierkram_get_user | no tags | |
| papierkram_create_company | external-sink | external-sink: declares readOnlyHint: false, openWorldHint: true |
| papierkram_update_company | external-sink | external-sink: declares readOnlyHint: false, destructiveHint: true, openWorldHint: true |
| papierkram_create_person | external-sink | external-sink: declares readOnlyHint: false, openWorldHint: true |
| papierkram_create_project | external-sink | external-sink: declares readOnlyHint: false, openWorldHint: true |
| papierkram_create_task | external-sink | external-sink: declares readOnlyHint: false, openWorldHint: true |
| papierkram_create_time_entry | external-sink | external-sink: declares readOnlyHint: false, openWorldHint: true |
| papierkram_create_proposition | external-sink | external-sink: declares readOnlyHint: false, openWorldHint: true |
| papierkram_create_invoice | external-sink | external-sink: declares readOnlyHint: false, openWorldHint: true |
Toxic-flow graph
The lethal trifecta, checked as a graph rather than as a checklist: untrusted input, a sensitive source and an external sink have to meet before there is a path worth worrying about.
The public result for this release does not print the flow graph, so there is nothing to show here. That is not the same as "no paths were found": what the scan did read is above, under coverage.
Supply chain and provenance
This is the first scan of this surface here, so there is nothing yet to compare it against.
Every result on this tab comes from one deterministic pass over the published package — offline, rule by rule, and auditable line by line above. Same methodology version, same bytes, same score.
Release history
This is an address its publisher runs: which release it serves is theirs to choose, so there is nothing here to pin. The history below is for reading; the current release on file is 1.16.3.
No release note was published with this version.
One review per account, from a signed-in account that does not publish this listing. Nothing else is asked — you can say what you think before you install it. Publishers can reply once per review, and a review can be edited or deleted by whoever wrote it.
Any signed-in account that does not publish Papierkram MCP by usefulapi can review it, once — before installing it or after. A review from an account that has installed it is marked as one.
Nobody has reviewed this listing. The rating on the card is the mean of the reviews written here and nothing else, so there is no rating until somebody writes the first — which takes a signed-in account that does not publish it, and nothing else.