# Rechnungslotse: deutsche E-Rechnung (de.rechnungslotse/e-rechnung): tool descriptions scored

- tools/list taken: 2026-11-02 (UTC)
- From: [Official MCP Registry](https://registry.modelcontextprotocol.io/v0/servers/de.rechnungslotse%2Fe-rechnung/versions/latest)
- Connected to: https://rechnungslotse.de/api/mcp
- Homepage: https://rechnungslotse.de/mcp
- Scoring rules: v2
- Tools: 18
- Average: 43.7 / 100 (Cloudy)
- Near-identical pairs: 0

This page shows how Rechnungslotse: deutsche E-Rechnung (de.rechnungslotse/e-rechnung)'s tool descriptions scored, the issues found and the names of its tools and parameters. The descriptions are the server's own: read them where the copy came from.

Forecall asked the URL this server lists in the official MCP Registry for its tools/list once, on the date above, without calling any tool. The server may have changed since.

## Across the server

No server-wide issues.

## Tools

- `pflichtangaben_pruefen`: 32 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Major: Arguments without a description: rechnungsnummer, aussteller.name, aussteller.strasse, aussteller.plz, aussteller.ort, empfaenger, empfaenger.name, empfaenger.strasse, empfaenger.plz, empfaenger.ort, empfaenger.ust_id, iban.
  - Minor: String arguments with no constraint or example: rechnungsnummer, rechnungsdatum, aussteller.name, aussteller.strasse, aussteller.plz, aussteller.ort, empfaenger.name, empfaenger.strasse, empfaenger.plz, empfaenger.ort, empfaenger.ust_id, iban.
  - Minor: No `required` list, so every argument is optional.
  - Minor: The meaning of the boolean argument kleinunternehmer is unclear.
  - Minor: Says nothing about what it returns.
- `fehler_erklaeren`: 41 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
  - Minor: Says nothing about what it returns.
- `kunden_suchen`: 41 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
  - Minor: Says nothing about what it returns.
- `leistungen_offen`: 41 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
  - Minor: The description mentions none of its 3 or more arguments.
  - Minor: Says nothing about what it returns.
- `leitweg_pruefen`: 41 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
  - Minor: Required identifiers whose description does not say where the value comes from: leitweg_id. Name the tool or the place that returns it, or models look it up first.
- `rechnung_erstellen`: 41 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Arguments without a description: empfaenger.name, empfaenger.strasse, empfaenger.plz, empfaenger.ort, positionen, positionen[].bezeichnung.
  - Minor: String arguments with no constraint or example: empfaenger.name, empfaenger.strasse, empfaenger.plz, empfaenger.ort, positionen[].bezeichnung.
  - Minor: Says nothing about what it returns.
- `rechnung_lesen`: 41 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
  - Minor: The description mentions none of its 3 or more arguments.
  - Minor: Says nothing about what it returns.
- `rechnung_pruefen`: 41 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
  - Minor: The description mentions none of its 3 or more arguments.
  - Minor: Says nothing about what it returns.
- `leistung_erfassen`: 44 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
- `umsatzsteuer_aufstellung`: 44 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
- `zahlung_erfassen`: 44 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
  - Minor: Required identifiers whose description does not say where the value comes from: rechnung_id. Name the tool or the place that returns it, or models look it up first.
- `betrieb_lesen`: 46 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
- `offene_posten`: 46 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
  - Minor: Says nothing about what it returns.
- `leistungen_abrechnen`: 47 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
  - Minor: Required identifiers whose description does not say where the value comes from: kunde_id. Name the tool or the place that returns it, or models look it up first.
- `rechnungen_suchen`: 47 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
  - Minor: The description mentions none of its 3 or more arguments.
  - Minor: Says nothing about what it returns.
- `kleinunternehmer_pruefen`: 49 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
- `pflicht_pruefen`: 49 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: The description mentions none of its 3 or more arguments.
  - Minor: Says nothing about what it returns.
- `rechnung_datei`: 51 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
  - Minor: Required identifiers whose description does not say where the value comes from: rechnung_id. Name the tool or the place that returns it, or models look it up first.

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