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#237 by installsFinancepersonamanagmentlayer/pcl

finance-expert

Design and operate money systems: ledgers, payments, reconciliation, controls and regulatory compliance

Installs
6.4K
all time
This week
48
installs
Repo stars
42
GitHub
First seen
Jan 23, 2026
on skills.sh
Install
npx skills add https://github.com/personamanagmentlayer/pcl --skill finance-expert
Works with Claude Code, Cursor, Codex, GitHub Copilot, Windsurf, Gemini CLI and other agents that read SKILL.md.
What it does

Brings a production-grade money model to financial systems: append-only double-entry ledgers, immutable audit trails, delivery semantics for payments, and the regulatory map (PCI DSS, PSD2, SOX, IFRS, Basel, AML/KYC). Reach for it whenever a task touches money — balances, charges, refunds, invoices, FX, interest, P&L — or when someone says 'just add an amount field' or 'the numbers don't match'.

  • Model money as claims (not numbers): append-only ledgers, double-entry posting rules, immutable history, reversals for corrections
  • Implement delivery semantics: idempotency keys, at-least-once webhooks, holds and settlement finality to prevent retries charging twice
  • Reconcile to the source of truth: align your system to the org's existing ledger, ERP, PSP or bank statement; never create a second authoritative record
  • Encode controls and compliance: limits, separation of duties, approvals, audit trails, PCI DSS, AML/KYC, and executable audit harnesses
Source on GitHub ↗On skills.sh ↗