Agent skill · business finance · personamanagmentlayer
finance-expert
Expert-level financial systems, FinTech, banking, payments, and financial technology. Use when the user mentions fintech, banking, payments, trading, or accounting, or when the task involves Financial Systems, FinTech Stack, Key Challenges, or Data Handling.
Why this skill is useful
Includes executable scripts for payment gateway and banking API integrations that provide new capabilities in financial technology.
What it needs
Requires plaid, stripe installed locally. Requires plaid, stripe account access. About 6k tokens when loaded. Last updated 2026-03-30. 41 stars on the source repository.
What this skill does
Finance Expert Expert guidance for financial systems, FinTech applications, banking platforms, payment processing, and financial technology development. Core Concepts Financial Systems Core banking systems Payment processing Trading platforms Risk management Regulatory compliance (PCI-DSS, SOX, Basel III) Financial reporting FinTech Stack Payment gateways (Stripe, PayPal, Square) Banking APIs (Plaid, Yodlee) Blockchain/crypto Open Banking APIs Mobile banking Digital wallets Key Challenges Security and fraud prevention Real-time processing High availability (99.999%) Regulatory compliance Data privacy Transaction accuracy Payment Processing These examples move real money. Read Money movement guardrails before running any of them. Credentials come from the environment or a secrets manager, never from source. Banking Integration Financial Calculations Fraud Detection Regulatory Compliance Money movement guardrails This skill documents code that charges cards, issues refunds, and reads bank accounts. Treat every such call as an irreversible side effect and gate it accordingly. A Snyk audit classifies this capability as W009 (direct money access); these are the controls that make it acceptable. Credentials Load keys from a secrets manager or the environment; never inline, never in version control, never in logs or error messages. Use restricted keys with the narrowest scope the operation needs. A service that only creates charges must not hold a key that can issue payouts. Rotate on a schedule and on any suspected exposure; keep test and live keys in separate accounts so a misconfiguration cannot reach production funds. Default to test mode Point at Stripe test keys and the Plaid sandbox unless the deployment has explicitly opted into production. Make the production switch a deliberate, reviewed configuration change, not a default. Fail closed when the environment is ambiguous rather than guessing. …
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills personamanagmentlayer/finance-expert