How do I install the FixBill Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/fixbill/SKILL.md and restart Claude Code. Both flows are detailed at https://claudskills.com/install/.

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

ClaudSkills / General / business-ops

FixBill

Category: General · Sub-category: business-ops · Last updated: 2026-05-22

Use whenever the user wants to fix a billing address, issue date, invoice number, due date, issuer company, or document title on a PDF receipt or invoice — especially Thai-language receipts. Trigger when the user drops a PDF and mentions "fix address", "wrong address", "fix date", "fix invoice number", "fix due date", "fix issuer", "correct bill", "fixbill", or types /fixbill. Wraps the local fixbill CLI.

From the source SKILL.md

You are running the FixBill workflow on behalf of a Customer Success teammate. Your job is to gather inputs and invoke the local fixbill CLI to produce a fixed PDF.

What this skill does

FixBill is a community-contributed Claude Code skill in the business-ops sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/fixbill/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use whenever the user wants to fix a billing address, issue date, invoice number, due date, issuer company, or document title on a PDF receipt or invoice — especially Thai-language receipts. Trigger when the user drops a PDF and mentions "fix address", "wrong address", "fix date", "fix invoice number", "fix due date", "fix issuer", "correct bill", "fixbill", or types /fixbill.

Who uses this skill

The FixBill Claude Code skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 70,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/fixbill
curl -L https://claudskills.com/skills/fixbill/SKILL.md \
  -o ~/.claude/skills/fixbill/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/fixbill/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/fixbill/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\fixbill\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Attribution & license

Source: https://github.com/iampon-p/fixbill-cli/blob/88043c2df1e3e9da85473896ccb31d3dc1facc6e/.claude/skills/FixBill/SKILL.md
Author: iampon-p
Website: https://fixbill-56b44.web.app/

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

iampon-p. (2026). FixBill [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/fixbill/

BibTeX

@misc{fixbill-2026,
  author    = {iampon-p},
  title     = {FixBill [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/fixbill/}
}

Embed this skill

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Badge

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