Skills, Gems & Custom GPT
They teach your AI tool to perform this workflow using these resources, tools, and instructions.
They turn repeatable processes into reusable capabilities; combining context, files, templates, and operational guidance so the AI tool can execute work consistently and efficiently.
Portfolio Performance Reporter
Takes a spreadsheet or table of investment holdings (ticker, quantity, cost basis, current price) and generates a full performance report: total return, position-level gain/loss, allocation breakdown by sector and asset class, and concentration...
Invoice Processor
Extracts structured data from invoices including; vendor details, line items, totals, tax, and payment terms. It outputs it as a summary, CSV, or journal entry. Automatically flags issues such as missing invoice numbers, math errors, and duplicate...
Financial Statement Analyzer
Performs structured financial analysis on uploaded or pasted statements, P&L, balance sheet, or cash flow. Calculates profitability, liquidity, leverage, and efficiency ratios, identifies trends across periods, and flags anomalies like negative...
Regulatory Change Tracker
Researches and summarizes current regulatory developments across financial services, accounting standards, and corporate governance, including SEC, FASB, IASB, Fed, PCAOB, IRS, OECD Pillar Two, ESG disclosure, and crypto regulation. Uses current...
🏠 UK Mortgage Rate Dashboard
Install this skill and you can ask Cowork to show you a live UK mortgage rate dashboard — seeded with current data from Moneyfacts, Uswitch, and the Bank of England, and built as a persistent panel you can reopen and refresh any time.
No Inference / Source-Locked Verification
Forces Claude to answer only from your materials and verified online sources — no inference, no assumptions, no gap-filling. Every claim must be anchored to a cited source.
Source-Locked Verification
The Source-Locked Verification skill forces Claude into a strict evidential-fidelity mode where it can only answer from two sources: materials you provide, and online sources it has actually accessed during the task. It cannot infer, assume, estimate, generalise, or fill gaps – if something isn’t expressly stated in the evidence or a verified source, Claude must say so rather than fabricate a plausible-sounding answer.
EquiPic
EquiPic is a pre-generation prompt enrichment system for image generation involving people.
It improves representation diversity while maintaining realism, dignity, and user intent.
Brief Interrogator
Analyzes campaign, content, creative, and media planning briefs to identify missing information, risks, and operational gaps before work begins.