Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/facturascripts/fs-claude-plugin/add-connectionnpx skills add FacturaScripts/fs-claude-plugin --skill add-connectiongit clone --depth 1 https://github.com/FacturaScripts/fs-claude-pluginWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/facturascripts/fs-claude-plugin/add-connection)<a href="https://agentmods.dev/skills/facturascripts/fs-claude-plugin/add-connection"><img src="https://agentmods.dev/badge/skills/facturascripts/fs-claude-plugin/add-connection.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00019 | $0.01634 |
| Opus 5 | $0.00010 | $0.00817 |
| Sonnet 5 | $0.00004 | $0.00327 |
| Haiku 4.5 | $0.00002 | $0.00163 |
Grade A, and why
add-connection scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 5d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 184 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Añadir Conexión a FacturaScripts
Este skill configura una nueva conexión a una instancia de FacturaScripts. Las conexiones se guardan en ~/.fs-claude.json, un archivo en el directorio home del usuario que funciona en cualquier sistema operativo (macOS, Linux, Windows) y es leído automáticamente por el servidor MCP sin necesidad de configuración adicional.
¿Qué necesitas?
Antes de comenzar, asegúrate de tener a mano:
- Clave de conexión: Un identificador único (por ejemplo:
empresa-principal,fs-demo) - Nombre descriptivo: Descripción legible (por ejemplo: "FacturaScripts Principal")
- URL del ERP: La dirección completa (por ejemplo:
https://facturascripts.miempresa.com) - Token API: El token de autenticación de FacturaScripts
- Verificación SSL: Si la instalación usa HTTPS con certificado auto-firmado (típico en instalaciones locales), necesitarás desactivar la verificación
Pasos
1. Solicita la información
Te haré algunas preguntas para recopilar los datos necesarios:
¿Cuál es la clave de conexión? (identificador único, sin espacios)
¿Cuál es el nombre descriptivo?
¿Cuál es la URL de FacturaScripts?
¿Cuál es el token API?
¿Quieres que sea la conexión por defecto? (sí/no)
¿La instalación usa HTTPS con certificado auto-firmado o no verificable? (sí/no)
La última pregunta es especialmente relevante en estos casos:
- Instalaciones locales (
https://localhost,https://192.168.x.x, etc.) - Servidores de desarrollo con certificados auto-firmados
- Cualquier instalación donde el navegador muestre advertencia de certificado
2. Detecta el entorno
Una vez recopilados los datos, ejecuta estos comandos para obtener la ruta correcta según el sistema operativo:
# Detectar sistema operativo y directorio home
python3 -c "import os, sys; home = os.path.expanduser('~'); print(os.path.join(home, '.fs-claude.json'))"
Esto devuelve la ruta exacta a ~/.fs-claude.json en cualquier SO:
- macOS/Linux:
/Users/username/.fs-claude.jsono/home/username/.fs-claude.json - Windows:
C:\Users\username\.fs-claude.json
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 5d ago First seen · 184 lines · 19 tokens per session scan A 7075ef6678dc
add-connection is a skill published in the GitHub repository FacturaScripts/fs-claude-plugin (8 stars, last pushed 2d ago), licensed MIT. It adds 19 tokens to every session and 1,634 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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