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By rnavarych
Design compliant fintech systems with double-entry ledgers, ACID transaction processing, financial data modeling, banking API integrations, fraud detection pipelines, trading engines, and regulatory controls for SOX, PSD2, KYC/AML, GDPR.
npx claudepluginhub rnavarych/alpha-engineer --plugin domain-fintechFintech architect specializing in designing financial systems with ACID guarantees, double-entry ledgers, regulatory compliance, and financial-grade security. Use when designing banking, trading, payment systems, BaaS platforms, core banking, crypto/DeFi, embedded finance, real-time payments infrastructure, or payment rails architecture.
Fintech compliance advisor guiding on SOX, PSD2/PSD3, KYC/AML, GDPR for financial data, regulatory reporting, DORA, Basel III/IV, MiFID II/MiFIR, AMLD 5/6, MiCA, Travel Rule, FedNow compliance, Open Banking regulations, SOC 2 automation, and data residency. Use when implementing compliance features or reviewing financial systems for regulatory adherence.
Fintech architect specializing in designing financial systems with ACID guarantees, double-entry ledgers, regulatory compliance, and financial-grade security. Use when designing banking, trading, payment systems, BaaS platforms, core banking, crypto/DeFi, embedded finance, real-time payments infrastructure, or payment rails architecture.
Fintech compliance advisor guiding on SOX, PSD2/PSD3, KYC/AML, GDPR for financial data, regulatory reporting, DORA, Basel III/IV, MiFID II/MiFIR, AMLD 5/6, MiCA, Travel Rule, FedNow compliance, Open Banking regulations, SOC 2 automation, and data residency. Use when implementing compliance features or reviewing financial systems for regulatory adherence.
Guides banking API integration: Open Banking standards (PSD2, UK Open Banking, FDX), Plaid integration (Link, transactions, balance, identity), account aggregation, payment initiation (PISP), account information (AISP), BaaS platforms (Unit, Synapse, Column), and API security (mTLS, OAuth2, FAPI). Use when integrating with banking services.
Guides financial data modeling: account structures (asset, liability, equity, revenue, expense), currency handling (ISO 4217, minor units), decimal precision (BigDecimal, integer cents), multi-currency ledgers, financial instrument representation, and temporal data patterns. Use when designing database schemas for financial applications.
Guides fintech security: HSM integration (key generation, signing, encryption), cryptographic key management (BYOK, rotation, key ceremony), PCI DSS for fintech, data encryption (field-level, tokenization), secure multi-party computation, zero-knowledge proofs, and SOC 2 Type II requirements. Use when implementing security controls for financial systems.
Guides fraud detection implementation: rule-based detection (velocity checks, amount thresholds, geo-anomalies), ML-based anomaly detection (isolation forest, autoencoders), device fingerprinting, behavioral biometrics, 3DS2, fraud scoring pipelines, case management, and chargeback prevention. Use when building fraud prevention systems.
Guides double-entry ledger design: journal entries, chart of accounts, sub-ledgers (AR, AP, GL), reconciliation between ledgers, immutable append-only audit trails, balance calculations (running vs computed), and ledger-as-event-log pattern. Use when designing accounting systems or financial record-keeping.
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Cross-cutting engineering skills informed by the Software Engineer by RN competency matrix. Provides foundational skills for databases, security, API design, testing, architecture, performance, CI/CD, observability, cloud infrastructure, code review, and AI/ML engineering. Includes competency assessor and legal compliance review agents.
Use this agent when you need to implement data privacy engineering, GDPR compliance, data protection frameworks, and privacy-by-design principles for B2B applications. This agent specializes in privacy engineering, data minimization, consent management, and global privacy regulation compliance for enterprise platforms. Examples:
Agents for business analysis, financial modeling, and KPI tracking
Domain-specific technology experts - blockchain, fintech, gaming, IoT, payments
Data foundations that every financial system depends on. Covers reference data management, market data feeds, integration patterns for financial systems, and data quality governance.
Intent-Driven Financial Architecture (IDFA) — build financial models that are human-readable, AI-operable, and audit-proof. Auto-activates on financial modelling tasks.
E-Commerce domain specialization with payment gateway integration, product catalog design, cart/checkout flows, inventory management, order processing, search/merchandising, PCI DSS compliance, and analytics.
Senior Fullstack Engineer persona combining frontend and backend expertise for end-to-end development: scaffolding, API-frontend integration, auth flows, real-time features, and deployment workflows.
Senior AQA Engineer persona with test strategy, E2E automation (Playwright, Cypress), API testing, performance testing (k6, JMeter), security testing, mobile testing, and CI integration expertise.
Senior Architect persona with system design, ADR writing, scalability analysis, tech stack evaluation, migration planning, cost modeling, threat modeling, capacity planning, and cloud architecture (AWS, GCP, Azure) expertise.
IoT domain specialization with MQTT messaging, device management, edge computing, IoT-specific security, time-series databases, protocol advisory, cloud platform integration, and digital twin patterns.
claude plugin marketplace add rnavarych/alpha-engineer
24 agents. 191 skills. 22 commands. Specialized engineering plugins for Claude Code across 9 developer roles, 4 industry domains, and one unhinged team of 5 senior engineers.
5 senior engineers trapped in one plugin. They deliver excellent technical decisions. Multiplied personality disorder as a development methodology.
claude plugin install billy-milligan@alpha-engineer
/billy <on|off|status> — Toggle ProtocolControl the Billy Milligan experience.
/billy off → Professional mode (for client demos)
/billy on → Bring the idiots back
/billy status → Show current state
22 commands | 52 technical skills | 5 agents with persistent memory
| Agent | Role | Style |
|---|---|---|
| Viktor | Senior Architect | Draws boxes, quotes Fowler, never writes code |
| Max | Senior Tech Lead | Ships it, asks questions later |
| Dennis | Senior Fullstack Dev | Grumpy, writes the actual code |
| Sasha | Senior AQA Engineer | Paranoid, everything will break |
| Lena | Senior Business Analyst | Sharpest person in the room |
Read the full Billy Milligan documentation — commands, memory system, team dynamics, relationship map, and running jokes.
| Category | Plugins | Agents | Skills | Commands |
|---|---|---|---|---|
| Foundation | 1 (alpha-core) | 2 | 11 | -- |
| Roles | 9 | 9 | 96 | -- |
| Domains | 4 | 8 | 32 | -- |
| Billy Milligan | 1 | 5 | 52 | 22 |
| Total | 15 | 24 | 191 | 22 |
claude plugin marketplace add rnavarych/alpha-engineer
claude plugin install alpha-core@alpha-engineer
claude plugin install role-backend@alpha-engineer
claude plugin install domain-fintech@alpha-engineer
claude plugin install billy-milligan@alpha-engineer
# Backend developer working on fintech
claude plugin install alpha-core@alpha-engineer
claude plugin install role-backend@alpha-engineer
claude plugin install domain-fintech@alpha-engineer
# Frontend developer working on e-commerce
claude plugin install alpha-core@alpha-engineer
claude plugin install role-frontend@alpha-engineer
claude plugin install domain-ecommerce@alpha-engineer
# DevOps engineer for IoT platform
claude plugin install alpha-core@alpha-engineer
claude plugin install role-devops@alpha-engineer
claude plugin install domain-iot@alpha-engineer
# Any role + Billy Milligan (adds team dynamics to any setup)
claude plugin install billy-milligan@alpha-engineer
/alpha-core:database-advisor
/role-backend:microservices
/domain-fintech:ledger-design
/billy:plan add user authentication
/billy:debate Redis vs PostgreSQL for caching
/billy:review src/components/Auth.tsx
/billy:roast should we use GraphQL?
/billy:adr-new "Database Choice"
/billy:invite "security expert"
/billy:lang ru