invoicing SKILL.md skillA

invoicing from jantichy/claude is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add jantichy/claude/invoicing@git:20261013.5dcfcc6

Pins git:20261013.5dcfcc6 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
jantichy/claude
Path
skills/invoicing/SKILL.md
Versions recorded
32
Latest version
git:20261013.5dcfcc6, committed Oct 13, 2026
First version recorded
Sep 5, 2026
Size
44,986 bytes
Repository stars
40
License
MIT

Skill se použije, když uživatel zadá "/invoicing" (volitelně s režimem full, preview, recover nebo sync a se jménem klienta), nebo chce vystavit faktury klientům – sestavit doklad podle fakturační dohody klienta z hodin v timetrackingu, paušálů a dalších dohodnutých položek, vystavit faktury, přiložit PDF faktury i výkazu hodin a nechat rozepsaný mail, u předplacených hodin místo faktury odepsat kredit. Režim recover dohledá čas, který se zapomněl natrackovat, a nabídne tipy k doplnění; režim…

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# Invoicing

## Co skill dělá

Vystaví faktury klientům a připraví je k odeslání. **Zadáním faktury je u každého klienta jeho fakturační soubor**, ne timesheet. Podle něj skill za období, které ještě není vyfakturované, sestaví doklad ze všeho, co dohoda předepisuje: z hodin v timetrackingu, měsíčního paušálu, pevné částky, fáze spolupráce nebo dohodnutých položek mimo timetracking. Pak fakturu vystaví a založí v mailu draft se dvěma přílohami – fakturou a výkazem hodin. **Klientovi, který zaplatil hodiny dopředu, místo faktury odepíše hodiny z předplaceného kreditu**, pošle mu do draftu jen výkaz se zbytkem kreditu a ohlásí, až kredit dojde.

- **`/invoicing full`** (výchozí) – celý průběh až po rozepsané drafty.
- **`/invoicing preview`** – náhled toho, co by se vystavilo. Nic nevystaví, nic nezapíše, nikam nesáhne.
- **`/invoicing recover`** – dohledá čas, který se zapomněl natrackovat, a ukáže tipy s doložením. Taky nic nevystaví a **sám od sebe nezapíše ani do timetrackingu, ani do souboru klienta**.
- **`/invoicing sync`** – přepíše odpracovaný čas do timetrackingu klienta, má-li ho klient vyplněný. Nic nevystavuje; **jako jediný režim zapisuje do cizího systému**.
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add jantichy/claude/invoicing@sha256:aec5645e13e54bd7

The line at the top of this page pins the label git:20261013.5dcfcc6, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_6i7odecc7q3rjqrj.svg)](https://markdownregistry.com/a/art_6i7odecc7q3rjqrj)

5 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 32 versions of this file, between Sep 5, 2026 and Oct 13, 2026, about one every day.

versioncommittedcommitsizeaudit
git:20261013.5dcfcc6 latest2026-10-13 5dcfcc6 44,986 BA view · diff
git:20261013.ffdfee32026-10-13 ffdfee3 45,079 BA view · diff
git:20261013.a94d7c62026-10-13 a94d7c6 41,706 BA view · diff
git:20261012.ec95ad62026-10-12 ec95ad6 41,612 BA view · diff
git:20261012.4aa01d22026-10-12 4aa01d2 41,921 BA view · diff
git:20261007.55ccadb2026-10-07 55ccadb 38,651 BA view · diff
git:20261006.cdb8ee02026-10-06 cdb8ee0 38,623 BA view · diff
git:20261005.5689ab12026-10-05 5689ab1 38,581 BA view · diff
git:20261001.44cbcd62026-10-01 44cbcd6 38,574 BA view · diff
git:20260930.bc24a7a2026-09-30 bc24a7a 36,724 BA view · diff
git:20260917.25351622026-09-17 2535162 36,490 BA view · diff
git:20260914.e59e9a22026-09-14 e59e9a2 36,491 BA view · diff
git:20260914.568d5fc2026-09-14 568d5fc 36,492 BA view · diff
git:20260914.af2ec2f2026-09-14 af2ec2f 36,491 BA view · diff
git:20260911.75453102026-09-11 7545310 36,421 BA view · diff
git:20260911.0c23d2c2026-09-11 0c23d2c 36,384 BA view · diff
git:20260911.7652c942026-09-11 7652c94 35,456 BA view · diff
git:20260911.e1786412026-09-11 e178641 34,351 BA view · diff
git:20260910.9879e492026-09-10 9879e49 33,670 BA view · diff
git:20260908.f15edac2026-09-08 f15edac 28,233 BA view · diff
git:20260908.2acbdbd2026-09-08 2acbdbd 27,841 BA view · diff
git:20260908.9096e912026-09-08 9096e91 27,867 BA view · diff
git:20260908.fceea752026-09-08 fceea75 27,835 BA view · diff
git:20260907.33089db2026-09-07 33089db 26,976 BA view · diff
git:20260907.49d23202026-09-07 49d2320 26,976 BA view · diff
git:20260907.680e80e2026-09-07 680e80e 26,966 BA view · diff
git:20260907.cf5b7c32026-09-07 cf5b7c3 26,902 BA view · diff
git:20260906.95206f12026-09-06 95206f1 26,697 BA view · diff
git:20260905.458971d2026-09-05 458971d 26,720 BA view · diff
git:20260905.afb945e2026-09-05 afb945e 26,367 BA view · diff
git:20260905.4e7e1722026-09-05 4e7e172 25,718 BA view · diff
git:20260905.86ed9d52026-09-05 86ed9d5 25,710 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (44986 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

jantichy/claude · 40 stars · license MIT · pushed 2026-10-19 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_6i7odecc7q3rjqrj
GET https://markdownregistry.com/api/v1/resolve?ref=jantichy/claude/invoicing
GET https://markdownregistry.com/api/v1/blob/aec5645e13e54bd7652501089bce1ce1b87f845019a2bf7ccb858e06d31cea2f

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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Every file in jantichy/claude

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