# awesome-invoicing

> awesome-invoicing — causa-prima-ai-awesome-invoicing. Use this tool when you need to streamline invoicing processes for freelancers and small businesses, solving problems such as compliance with international standards and efficient billing. It provides a curated list of free and AI-native invoicing tools with inputs including business requirements and outputs including suitable tool recommendations. Use it to find standards-compliant invoicing solutions, such as EN 16931, XRechnung, ZUGFeRD, and Peppol, that meet your specific needs.

Canonical page: https://skillsregistry.net/skills/causa-prima-ai-awesome-invoicing  
JSON: https://api.skillsregistry.net/v1/skills/causa-prima-ai-awesome-invoicing

## Description

A curated list of invoicing and e-invoicing tools for freelancers and small businesses — free, standards-compliant (EN 16931, XRechnung, ZUGFeRD, Peppol), and AI-native options.

## Trust

- **Trust score (0–1):** 0.99
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **Updated:** 2026-09-28

## Source

- **Source listing:** [GitHub](https://github.com/causa-prima-ai/awesome-invoicing)

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "causa-prima-ai-awesome-invoicing"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/causa-prima-ai-awesome-invoicing` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/causa-prima-ai-awesome-invoicing/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt