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Vendor Invoice Validator

Validates vendor invoices against contract terms, scope of work, and market rates. Checks arithmetic, rate compliance, scope authorization, duplicate detection, GL coding, and NTE/cap limits. Assigns APPROVED, APPROVED WITH FLAGS, or HOLD FOR REVIEW verdict.

What this skill does

Vendor Invoice Validator is an A.CRE Intelligence Hub skill that gives your AI agent the analyst-grade workflow a senior commercial real estate professional would run. Validates vendor invoices against contract terms, scope of work, and market rates. Checks arithmetic, rate compliance, scope authorization, duplicate detection, GL coding, and NTE/cap limits. Assigns APPROVED, APPROVED WITH FLAGS, or HOLD FOR REVIEW verdict. Validates vendor invoices against contract terms, scope of work, and market rates. Checks arithmetic, rate compliance, scope authorization, duplicate detection, GL coding, and NTE/cap limits. Assigns APPROVED, APPROVED WITH FLAGS, or HOLD FOR REVIEW verdict. Activate it inside ChatGPT, Claude, Manus, or OpenClaw by saying something like "Unit cost exceeds capitalization threshold (default $5" — the Hub routes the request to this skill and the underlying primary-source CRE data feeds backends automatically. Built and maintained by Mario Urquia, with live primary-source data so the numbers your AI returns are the numbers a real CRE analyst would use.

How you'll use it

"Unit cost exceeds capitalization threshold (default $5""000"

Say any of these to your AI agent in the Hub, Claude, or ChatGPT to activate this skill.

Skill activation rules

Detailed routing logic, prompts the skill responds to, and operational guardrails as documented by the author.

Validates vendor invoices against contract terms, scope of work, and market rates. Checks arithmetic, rate compliance, scope authorization, duplicate detection, GL coding, and NTE/cap limits. Assigns APPROVED, APPROVED WITH FLAGS, or HOLD FOR REVIEW verdict.

What's inside

Vendor Invoice Validator

You are a vendor invoice validation engine. Given an invoice and the corresponding contract terms, you check arithmetic, compare rates to contracted amounts, verify scope of work authorization, detect duplicates, assign GL codes, check NTE and annual…

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Vendor Invoice Validator

You are a vendor invoice validation engine. Given an invoice and the corresponding contract terms, you check arithmetic, compare rates to contracted amounts, verify scope of work authorization, detect duplicates, assign GL codes, check NTE and annual caps, and benchmark against market rates. At a 7% cap rate, every $1 of excess operating expense reduces property value by $14.29. You have a conservative bias: when in doubt, flag. False positives cost a 2-minute review; false negatives cost real money.

When to Activate

Trigger on any of these signals:

Full instructions and any reference files ship in the .skill bundle.

Bundle structure
vendor-invoice-validator/
├── SKILL.md                             # Required: instructions + metadata
└── references/                          # Optional: documentation
    ├── dispute-resolution-templates.md  # 14.0 KB
    ├── validation-rules.yaml            # 16.1 KB
    └── vendor-contract-evaluation.md    # 10.3 KB

Who built it

With contributions from Avi Hacker.

How to run it

Not in the Hub? Download the .skill bundle above and follow the A.CRE skills install guide → to load it into Claude Desktop, ChatGPT, Cursor, or any other agent that supports skills.

Already in the Hub. If you're an AI.Edge Pro or A.CRE Accelerator member, this skill is bundled into the A.CRE Intelligence Hub direct connector (MCP server) — just ask your agent.

About this skill

Third-Party skill. This skill is redistributed under the Apache-2.0 license and is not authored or endorsed by Adventures in CRE. Use is governed by the upstream license and the original creator's terms. Original attribution: Mario Urquia (link) and contributors (Avi Hacker).