Borrowing it
Nothing to install: this file belongs to dsfaccini/siigo-mcp. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/dsfaccini/siigo-mcp/main/.claude/skills/siigo-expert/SKILL.mdgit clone --depth 1 https://github.com/dsfaccini/siigo-mcpWrote 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/dsfaccini/siigo-mcp/siigo-expert)<a href="https://agentmods.dev/skills/dsfaccini/siigo-mcp/siigo-expert"><img src="https://agentmods.dev/badge/skills/dsfaccini/siigo-mcp/siigo-expert/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/dsfaccini/siigo-mcp/siigo-expert"><img src="https://agentmods.dev/badge/skills/dsfaccini/siigo-mcp/siigo-expert.svg" alt="Reviewed on agentmods" width="80" 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 5.1 | $0.00039 | $0.00781 |
| Opus 5 | $0.00019 | $0.00391 |
| Sonnet 5 | $0.00008 | $0.00156 |
| Haiku 4.5 | $0.00004 | $0.00078 |
Grade A, and why
siigo-expert 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 9d 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 — 96 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Siigo Expert (Product Manager)
Research-First skill for Siigo business logic, DIAN compliance, and user workflows.
When to Use
Invoke this skill when working on:
- Colombian electronic invoicing requirements
- DIAN compliance and document types
- Customer/product data modeling
- Invoice workflows and validations
- API integration patterns
Key Resources
Siigo API Documentation
- Apiary Reference - Complete API reference
- Developer Portal - Guides and tutorials
- Customer Portal - Account setup
Authentication
- Base URL:
https://api.siigo.com/v1/ - Auth endpoint:
https://services.siigo.com/alliances/api/siigoapi-users/v1/sign-in - Token validity: 24 hours
- Required headers:
Authorization: Bearer {token},Partner-Id: {id}
Colombian Invoicing (DIAN)
Document Types
- FV (Factura de Venta) - Sales invoice
- NC (Nota Crédito) - Credit note
- ND (Nota Débito) - Debit note
- RC (Recibo de Caja) - Cash receipt
- FC (Factura de Compra) - Purchase invoice
- CC (Comprobante Contable) - Accounting voucher
Electronic Invoicing
- CUFE: Código Único de Factura Electrónica (unique invoice code)
- XML format: UBL V2.1 standard
- Stamp endpoint sends document to DIAN
- Stamped documents cannot be modified (create credit note instead)
Customer Types
- Person (Persona Natural): Individual, uses cédula
- Company (Empresa): Legal entity, uses NIT
Identification Types
- 13: Cédula de ciudadanía
- 31: NIT (Número de Identificación Tributaria)
- 22: Cédula de extranjería
- 42: Documento de identificación extranjero
Tax Responsibilities
- R-99-PN: No responsable de IVA (persona natural)
- O-13: Gran contribuyente
- O-15: Autorretenedor
- O-23: Agente de retención IVA
Common Workflows
Create Invoice Flow
- Get document types (
get_document_types(type="FV")) - Get or create customer
- Get or create products with taxes
- Create invoice with items and payments
- Stamp invoice to DIAN (
stamp_invoice) - Send PDF via email (
send_invoice_email)
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.
- 9d ago First seen · 96 lines · 39 tokens per session scan A 1fce6ac7b63a
siigo-expert is a skill published in the GitHub repository dsfaccini/siigo-mcp (1 stars, last pushed 8mo ago), licensed MIT. It adds 39 tokens to every session and 781 once invoked, about $0.0002 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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