PW Proofwork Labs
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Certified AI Skills

Verified AI Skills for Enterprise

Plug-and-play AI capabilities with published benchmarks, known failure modes, and ongoing validation — so you can adopt AI faster without building and testing everything in-house.

Published Benchmarks

Every skill ships with accuracy scores, failure categories, and model compatibility matrices — tested against hundreds of real-world cases.

Your Data Stays Yours

Skills run in your environment via MCP. Customer documents never leave your infrastructure. Certification happened before deployment — like a UL label.

Continuously Maintained

Re-validated when models update. Regression history tells you exactly when GPT-5 drops from 94% to 87% on steel shop drawings.

Available Skills

Certified, domain-specific AI capabilities ready to deploy via MCP.

Certified

HTS Tariff Classification

Trade Compliance

Classify goods descriptions into Harmonized Tariff Schedule codes. Benchmarked against 1,400+ adjudicated government records.

92.4%

Skill accuracy

1400 benchmark cases • claude-sonnet-4-6

55.0%

Baseline (model without skill)

Coming soon

Three-Way Invoice Matching

Finance / Procurement

Reconcile POs, receiving receipts, and vendor invoices. Pass/fail per line with dollar variance reporting.

Coming soon

Commercial Lease Abstraction

Real Estate / Legal

Extract rent, escalations, options, and critical dates from commercial leases with verifiable field-level accuracy.

Try HTS Classification

Paste a product description and the certified skill returns the HTS code, duty rate, and reasoning — instantly.

This demo uses a rule-based stub. Production skills call the certified Claude model. See the API →

Latest Certification

Proofwork Certified

HTS Tariff Code Classification

92.4%

Skill accuracy

55.0%

Baseline

1400

Benchmark cases

claude-sonnet-4-6

Model

Certified February 15, 2026 • Valid until August 15, 2026