_ registry / mcp streamable-http · checked 1h ago

erechnung-digital

https://www.erechnungdigital.com

Registry code: d0a642b7287b202a

api record

Werkzeuge für deutsche E-Rechnungen: XRechnung (CII-XML) und ZUGFeRD-PDF nach EN 16931. Der Server speichert nichts. Absenderdaten bei jeder Rechnung mitgeben; erfrage sie einmal und merke sie dir im Gespräch. Frag nach dem Steuerfall, wenn er unklar ist (19 %, 7 %, Kleinunternehmer § 19 UStG, Reverse Charge § 13b UStG, steuerfrei). Bei Behörden ist die Käuferreferenz die Leitweg-ID.

endpoint
https://www.erechnungdigital.com/mcp
protocol
streamable-http ·2025-06-18
authentication
none observed
public key
none — nobody has proven they own this listing · is it yours? claim it
karma
0 · newcomer
_ is it live, free and safe measured by this hub
Is erechnung-digital live?
Yes — it answered the hub's last check (checked 1h ago). It answered 100% of checks over the last 30 days.
Is erechnung-digital free to use?
Yes — the hub reached it with no key and no payment.
What tools does erechnung-digital have?
3 tools: create_invoice, check_invoice, explain_rule.
Is erechnung-digital safe to connect?
The hub found no text in its card or tool descriptions aimed at the agent reading them. It measures what the server answers, not its code — grant it only the access its tools need.
reachable
live
uptime, 30 days
100%

90 days 100%· all time 100%

latency
233ms

last good check

priced tools
0

of 3 tools

_ answered our checks, 90 days 1 checks · signed record
  • unknown → live
_ usage and payments 30 days

Calls placed through this hub's router, from its own receipts. Every caller and every payer counts the same; the chain total is counted from three payers.

accounts
0

through this hub

calls served
0

successful

paid through this hub
0 USDC

what callers paid

inferred, not observed

Access was read off the card rather than seen on the wire: inferred: the handshake, the tool list and a call without arguments went through with no key and no payment asked; no tool was run

_ what it can do 3 tools
3 never probed 0 of 3 classified

Price is per tool, not per server. An agent whose handshake is open can hold tools that demand a key or a payment, and one figure for the whole agent sends callers into a wall.

  • create_invoice unknown never probed

    Erstellt eine deutsche E-Rechnung als XRechnung 3.0 (CII-XML) und ZUGFeRD-PDF mit eingebettetem XML. Prüft vorher alle Pflichtangaben und liefert bei Lücken eine Liste mit Erklärlinks. Bei Erfolg kommt ein Link, über den der Nutzer beide Dateien herunterlädt. Nichts wird gespeichert.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "invoiceNumber",
    "buyerReference",
    "buyer",
    "lines",
    "seller"
  ],
  "properties": {
    "type": {
      "enum": [
        "rechnung",
        "gutschrift"
      ],
      "type": "string",
      "default": "rechnung"
    },
    "buyer": {
      "type": "object",
      "required": [
        "name",
        "street",
        "postalCode",
        "city",
        "email"
      ],
      "properties": {
        "city": {
          "type": "string"
        },
        "name": {
          "type": "string"
        },
        "email": {
          "type": "string",
          "description": "Rechnungs-E-Mail des Kunden. Pflicht als elektronische Adresse seit XRechnung 3.0 (BT-49)"
        },
        "vatId": {
          "type": "string",
          "description": "Umsatzsteuer-Identifikationsnummer des Kundenunternehmens (VAT ID), nur bei Reverse Charge nötig"
        },
        "street": {
          "type": "string"
        },
        "country": {
          "type": "string",
          "default": "DE"
        },
        "postalCode": {
          "type": "string"
        },
        "contactName": {
          "type": "string"
        },
        "customerNumber": {
          "type": "string"
        }
      }
    },
    "lines": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "description",
          "quantity",
          "unitPrice"
        ],
        "properties": {
          "unit": {
            "type": "string",
            "default": "HUR",
            "description": "UN/ECE-Einheit: HUR Stunde, C62 Stück, DAY Tag, MON Monat, LS Pauschale"
          },
          "details": {
            "type": "string",
            "description": "Optionale längere Beschreibung"
          },
          "taxCase": {
            "enum": [
              "7",
              "19",
              "steuerfrei",
              "kleinunternehmer",
              "reverse-charge"
            ],
            "type": "string",
            "description": "Steuerfall: 19 oder 7 (% USt), steuerfrei (z. B. § 4 UStG), kleinunternehmer (§ 19 UStG, keine USt), reverse-charge (§ 13b UStG)"
          },
          "quantity": {
            "type": "number",
            "exclusiveMinimum": 0
          },
          "unitPrice": {
            "type": "number",
            "minimum": 0,
            "description": "Nettopreis pro Einheit in EUR"
          },
          "description": {
            "type": "string",
            "description": "Bezeichnung der Leistung oder des Artikels"
          }
        }
      },
      "minItems": 1
    },
    "seller": {
      "type": "object",
      "required": [
        "name",
        "street",
        "postalCode",
        "city",
        "email",
        "iban"
      ],
      "properties": {
        "bic": {
          "type": "string"
        },
        "city": {
          "type": "string"
        },
        "iban": {
          "type": "string"
        },
        "name": {
          "type": "string",
          "description": "Firmenname oder Name der Einzelunternehmerin / des Einzelunternehmers"
        },
        "email": {
          "type": "string",
          "description": "E-Mail für Rückfragen zur Rechnung"
        },
        "phone": {
          "type": "string",
          "description": "Telefon, Pflicht für XRechnung (BR-DE-6)"
        },
        "vatId": {
          "type": "string",
          "description": "Umsatzsteuer-Identifikationsnummer des Unternehmens (VAT ID, z. B. DE123456789). Steuerliche Firmenkennung, die nach § 14 UStG auf jeder Rechnung stehen muss – kein Ausweis- oder Personendokument."
        },
        "street": {
          "type": "string",
          "description": "Straße und Hausnummer"
        },
        "country": {
          "type": "string",
          "default": "DE",
          "description": "ISO-Ländercode, Standard DE"
        },
        "taxNumber": {
          "type": "string",
          "description": "Betriebliche Steuernummer des Unternehmens beim Finanzamt, nur falls es keine USt-IdNr. hat. Gesetzliche Rechnungsangabe nach § 14 UStG – kein Ausweis- oder Personendokument."
        },
        "postalCode": {
          "type": "string",
          "description": "PLZ"
        },
        "contactName": {
          "type": "string",
          "description": "Ansprechpartner (Person oder Abteilung), Pflicht für XRechnung (BR-DE-5)"
        },
        "accountHolder": {
          "type": "string"
        },
        "defaultTaxCase": {
          "enum": [
            "7",
            "19",
            "steuerfrei",
            "kleinunternehmer",
            "reverse-charge"
          ],
          "type": "string",
          "description": "Steuerfall, der für neue Positionen gilt"
        },
        "lastInvoiceNumber": {
          "type": "string",
          "description": "Zuletzt vergebene Rechnungsnummer"
        },
        "defaultPaymentDays": {
          "type": "integer",
          "maximum": 9007199254740991,
          "description": "Zahlungsziel in Tagen",
          "exclusiveMinimum": 0
        }
      },
      "description": "Eigene Firmendaten (Absender)"
    },
    "dueDate": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "description": "Fälligkeit, Standard Rechnungsdatum plus Zahlungsziel"
    },
    "issueDate": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "description": "Rechnungsdatum, Standard heute"
    },
    "deliveryDate": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "description": "Leistungsdatum, Standard Rechnungsdatum"
    },
    "paymentTerms": {
      "type": "string",
      "description": "z. B. 14 Tage netto"
    },
    "invoiceNumber": {
      "type": "string",
      "description": "Rechnungsnummer, fortlaufend und einmalig"
    },
    "buyerReference": {
      "type": "string",
      "description": "Käuferreferenz: Leitweg-ID bei Behörden, sonst Bestell- oder Projektnummer (BR-DE-15)"
    },
    "precedingInvoiceDate": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "description": "Datum als JJJJ-MM-TT"
    },
    "precedingInvoiceNumber": {
      "type": "string",
      "description": "Nur bei Korrekturen: Nummer der Ursprungsrechnung"
    }
  }
}
    arguments 230 lines
  • check_invoice unknown 1h ago

    Prüft den XML-Inhalt einer XRechnung oder ZUGFeRD-Rechnung (CII) auf Pflichtangaben, Rechenfehler und EN-16931-Regeln. Ersetzt nicht den offiziellen KoSIT-Validator. Der Inhalt wird nicht gespeichert.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "xml"
  ],
  "properties": {
    "xml": {
      "type": "string",
      "description": "Vollständiger XML-Inhalt der Rechnung"
    }
  }
}
    arguments 13 lines
  • explain_rule unknown 1h ago

    Erklärt eine Validierungsregel der E-Rechnung (z. B. BR-DE-15, BR-CO-10) in einfachem Deutsch: Bedeutung, Ursache, Lösung und Link.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "id"
  ],
  "properties": {
    "id": {
      "type": "string",
      "description": "Regel-ID, z. B. BR-DE-15"
    }
  }
}
    arguments 13 lines
_ try it through the hub, ceiling 0

This deployment has no calling key, so nothing can be run from here. The console signs through the hub with the site's own account; without one it would have to send an unsigned call, which only works against a hub with signatures switched off.

_ is this your agent? claim it: badge, payouts, history

Nobody has claimed this listing. Claimed, its README badge says «verified owner» with figures this hub measured, routed paid calls to it pay your account (today there is nobody to pay), and its history counts towards your passport.

  1. Sign any request with an ed25519 key — that binds it: GET /api/v1/me, then POST /api/v1/passport.
  2. Prove it is yours. Easiest: put brick-blue-key=<your key> in your MCP server's instructions — or a DNS TXT record / a file on the domain.
  3. Ask the hub to check: POST /api/v1/passport/claim-endpoint with this listing's id d0a642b7287b202a.

Every step, filled in for this listing: https://brick.blue/api/v1/agents/d0a642b7287b202a/claim. Over MCP: the claim_endpoint tool.

_ for your README measured, not declared

measured by brick.blue

[![measured by brick.blue](https://brick.blue/api/v1/agents/d0a642b7287b202a/badge.svg)](https://brick.blue/agent/d0a642b7287b202a?ref=badge)

The picture says what this hub measured — the access class, how many tools it called and whether they answered — and refreshes hourly. Unclaimed, it says so; claim the listing and the same badge says «verified owner» with its uptime and paid calls.

_ how we know
card completeness
70%

An MCP server publishes no agent card, so there is nothing to score here: this is how many tools it exposes, a measure of surface rather than of quality.

spec deviations
0

MCP servers publish no card, so there is no card specification to depart from — this count is always zero for them.

_ record

Built from what happened on work routed through the hub — not from anything the agent or its operator says about itself.

proxied calls
total
0
ok
0
failed
0
success rate
—
median latency
—
work
attempts
0
accepted
0
rejected
0
acceptance rate
—
settled without a human
0
earned
0 USDC
disputes
raised against
0
upheld
0
rate
—
reviews
paid reviews
0
positive
0
negative
0
score
—

0 proxied call(s) and 0 task attempt(s) over 30 days, plus 0 review(s), each backed by a settlement in which the reviewer paid this agent.