personamanagmentlayer/pcl
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npx skills add https://github.com/personamanagmentlayer/pclSkills in this repo
1Finance ExpertExpert-level financial systems FinTech banking payments and financial technology name finance-expert version 1 0 0 description Expert-level financial systems FinTech banking payments and financial technology category domains tags finance fintech banking payments trading accounting allowed-tools Read Write Edit Bash 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 python Payment gateway integration Stripe import stripe from decimal import Decimal stripe api_key sk_test_ class PaymentService def create_payment_intent self amount Decimal currency str usd Create payment intent with idempotency return stripe PaymentI.6.1kinstalls2Telecommunications ExpertExpert guidance for telecommunications systems network management billing systems 5G networks SDN NFV and telecom infrastructure management Telecommunications Systems Operations Support Systems OSS Business Support Systems BSS Network Management Systems NMS Service Assurance Inventory Management Provisioning systems Customer care platforms Network Technologies 5G 4G LTE networks Fiber optic networks Software Defined Networking SDN Network Functions Virtualization NFV Edge computing IoT connectivity Satellite communications Standards and Protocols 3GPP standards TM Forum Frameworx ETSI specifications ITU T recommendations SIP Session Initiation Protocol Diameter protocol SNMP for network management python from dataclasses import dataclass from datetime import datetime from typing import List Optional Dict from enum import Enum import numpy as np The telecommunications expert agent skill provides documented workflows prerequisites triggers and safety guidance from its SKILL md source Agents load it when user requests match the description and follow step by step instructions without inventing capabilities It integrates with standard agent tooling for the tasks inputs outputs and fai.1.8kinstalls3Trading Experttrading-expert is a version 1.0.0 domain skill from the Persona Management Layer that equips agents with expert guidance on algorithmic trading systems and quantitative finance engineering. Coverage spans strategy design including HFT, market making, arbitrage, and portfolio optimization, plus market data processing for order books, tick data, and time-series analysis. Allowed tools include Read, Write, Edit, and Bash scoped to python:* for scripting and backtesting workflows. Developers invoke trading-expert when architecting execution engines, risk controls, or data pipelines for trading platforms. Tags include trading, algorithmic-trading, quant, markets, finance, and hft, signaling deep domain specialization rather than generic coding assistance. The skill suits backend and quant engineers building production trading infrastructure, not casual stock tips or non-technical investing advice.931installs4Banking Expertbanking-expert is a Backend & APIs skill at version 1.0.0 from personamanagmentlayer/pcl that delivers domain-correct guidance for banking systems, core banking platforms, and regulatory compliance. The skill covers account management, transaction processing, payment systems including ACH, SWIFT, and SEPA, loan management, and risk systems alongside Basel III/IV, KYC, and AML requirements. Developers reach for banking-expert when building fintech APIs, ledger services, or enterprise finance modules where incorrect regulatory or payment-rail assumptions create costly rework. It uses Read, Write, and Edit tools to apply banking patterns directly into codebases during active backend feature work.761installs5Real Estate Expertreal-estate-expert is a version 1.0.0 domain skill for developers building proptech and property-management software. It encodes expert patterns for Multiple Listing Service (MLS) feeds, Customer Relationship Management (CRM) workflows, Property Management Systems (PMS), transaction management, virtual tours, and comparative market analysis. The skill exposes Read, Write, and Edit tools so agents can scaffold integrations, data models, and operational workflows directly in a codebase. Developers reach for real-estate-expert when implementing listing sync, lead routing, document pipelines, or zoning and comps research inside Claude or Cursor. It assumes software engineering context—API contracts, schema design, and system boundaries—not consumer homebuying advice.751installs6Insurance ExpertDelivers insurance industry expertise for validating insurtech ideas, scoping policy and claims workflows, and aligning product design with underwriting, pricing, regulatory, and distribution realities before implementation begins.659installs7Construction Expertconstruction-expert is an agent skill that helps solo builders and indie developers create, maintain, and consistently apply well-defined AI personas and expert roles. It structures the construction of personas with clear layers including identity, knowledge boundaries, decision heuristics, communication style, and operational constraints. This prevents common issues like persona drift, contradictory behavior, and context leakage that occur when agents operate over long sessions or across multiple tasks. Builders use it to define reliable expert agents that behave predictably whether coding, researching, writing, or managing projects. The skill outputs structured persona documents that serve as system prompts, memory anchors, and evaluation criteria for Claude Code, Cursor, and other agent environments.610installs8Accountant Expertaccountant-expert is a personamanagmentlayer PCL skill at version 1.0.0 tagged for accounting, tax, financial-reporting, GAAP, and IFRS. It equips agents with expert guidance on double-entry bookkeeping, accrual versus cash accounting, financial statement preparation, audit concepts, and modern accounting technology integration. Developers invoke accountant-expert when building billing systems, finance dashboards, cost allocation features, or reporting pipelines that must respect real accounting rules rather than improvised spreadsheet math. The skill allows Read, Write, and Edit tools so agents can inspect and update financial logic in code or documents. Reach for it when product code touches ledgers, revenue recognition, tax compliance copy, or management reporting where errors carry legal and operational risk.584installs9Manufacturing Expertmanufacturing-expert is a Persona Management Layer (PCL) skill ranked 8 on skills.sh with 444 installs that equips coding agents with a consistent manufacturing domain specialist persona. The skill injects accurate manufacturing knowledge, operational constraints, and industry best practices into agent sessions so industrial, ERP, MES, and supply-chain software discussions stay grounded in real factory workflows. Developers reach for manufacturing-expert when building or reviewing features for production planning, quality control, shop-floor systems, or equipment integrations and need domain-correct answers instead of generic business logic. It functions as a persistent expert layer across multi-turn agent conversations.544installs10Logistics Expertlogistics-expert is a persona skill from personamanagmentlayer/pcl that brings operations-research style planning to multi-step engineering work. It helps agents reason about task sequencing, dependency ordering, resource allocation, and hard constraints when projects span many parallel steps such as agent swarms, data pipelines, or release trains. Developers reach for logistics-expert when schedules keep slipping, parallel work collides on shared resources, or an agent needs explicit constraint modeling before executing a long workflow. The skill is prompt-driven and pairs with Read, Write, Edit, and Bash tooling in the PCL ecosystem. It complements implementation skills by front-loading feasible execution order and capacity limits so downstream codegen and automation steps follow a coherent plan.519installs11Gcp Expertgcp-expert is a personamanagmentlayer/pcl skill at version 1.0.0 tagged for GCP, Google Cloud, Cloud Functions, BigQuery, and Firestore. It guides Compute Engine, App Engine, Cloud Run, Cloud Functions, Cloud Storage, BigQuery, Firestore, Pub/Sub, and GKE with gcloud CLI examples for init, compute instances, and service configuration. Allowed tools include Read, Write, Edit, and Bash scoped to gcloud commands. Developers reach for gcp-expert when choosing serverless versus containers, modeling data on Firestore or BigQuery, or debugging quota and pricing tradeoffs in Cursor or Claude Code. The skill fits cloud-native architecture reviews and day-two operations on Google Cloud.515installs12Data Science ExpertData Science Expert is version 1.0.0 skill from personamanagmentlayer/pcl for expert-level data science, analytics, visualization, and statistical modeling. It covers exploratory data analysis, preprocessing, feature engineering, time series, A/B testing, supervised and unsupervised learning, and Python tooling through Read, Write, Edit, and Bash(python:*) permissions. Developers reach for it when turning raw datasets into cleaned features, models, and charts inside an agent-assisted workflow. The skill emphasizes statistical inference and repeatable Python pipelines rather than one-off spreadsheet work.503installs13Retail Expertretail-expert is a version 1.0.0 domain skill from personamanagmentlayer/pcl that provides expert guidance on retail systems before engineering begins. The skill covers point-of-sale, inventory management, CRM, order management, warehouse management, and e-commerce platform requirements together with omnichannel retail strategy. Developers reach for retail-expert when defining catalog structures, checkout flows, inventory rules, promotions, and store operations so implementation scope matches real merchandising, fulfillment, and customer analytics constraints. Tagged domains include retail, POS, e-commerce, inventory, CRM, and omnichannel workflows. Use it during discovery or PRD drafting when a team is building retail software and needs domain-accurate scope before API design, database modeling, or sprint planning starts.483installs14Ansible Expertansible-expert is a version 1.0.0 skill from personamanagmentlayer/pcl providing expert guidance for Ansible configuration management and infrastructure as code. It covers control nodes, managed nodes, inventories, YAML playbooks, modules, and roles for application deployment and IT automation. Allowed tools include Read, Write, Edit, and Bash for ansible, ansible-playbook, and ansible-galaxy commands. Reach for ansible-expert when writing idempotent playbooks, structuring reusable roles, organizing host inventories across staging and production, or debugging task failures on remote nodes. The skill tags ansible, automation, configuration-management, iac, playbooks, and roles—producing commit-ready YAML and galaxy-compatible role layouts developers run from a control machine.471installs15Lawyer Expertlawyer-expert is a version 1.0.0 Persona Management Layer agent skill tagged legal, contracts, compliance, law, and legal-tech. It provides expert guidance on contract law drafting, intellectual property, corporate and employment law topics, regulatory compliance, and litigation awareness when building software products. The skill also covers legal technology patterns such as contract lifecycle management, document automation, e-discovery systems, and legal research platforms. Developers activate lawyer-expert when drafting terms, privacy policies, contract clauses, licensing language, or launch checklists that must reduce legal exposure before public release. Allowed tools are Read, Write, and Edit for producing policy and contract document drafts. The skill complements engineering work—it does not replace licensed attorney review for jurisdiction-specific advice.445installs16Dart Expertdart-expert is a Mobile Development skill from personamanagmentlayer/pcl at version 1.0.0 for expert-level Dart and Flutter development. The skill covers strong typing, async/await, streams, null safety, Stateless and Stateful widgets, state management with Provider, Riverpod, and Bloc, navigation, routing, and platform channel integrations for iOS and Android. Developers reach for dart-expert when implementing Flutter UIs, debugging widget rebuilds, or wiring native platform features through Dart with allowed dart and flutter CLI tools. The manifest grants Read, Write, Edit, and Bash access for dart and flutter commands, making it a hands-on implementation companion across multiple build tasks.444installs17Argocd Expertargocd-expert is a version 1.0.0 Apache-2.0 agent skill from personamanagmentlayer/pcl for production Argo CD GitOps. It requires Argo CD 2.9+ and Kubernetes 1.28+, with allowed tools for argocd and kubectl CLI operations. The skill designs declarative Application CRDs, sync strategies, RBAC, multi-environment promotion, and automated deployment pipelines following GitOps principles. Use it when promoting manifests from CI through staging to production, tuning sync policies, or operating Argo CD in cluster—not for writing application business logic. Tags include argocd, gitops, kubernetes, continuous-deployment, and declarative automation.441installs18Healthcare Experthealthcare-expert is an agent skill from personamanagmentlayer/pcl intended for teams building patient-facing or clinical software that touches protected health information. The skill engages when defining HIPAA-like safeguards, provider system integrations, audit logging, consent flows, and data minimization for EHR-adjacent features. Developers reach for healthcare-expert before implementing scheduling, records access, or telemetry in regulated healthcare contexts where mistaken data exposure creates compliance risk. Catalog metadata positions it for PHI boundaries and clinical workflow scoping even when local readme content may not match the healthcare focus.414installs19Automotive Expertautomotive-expert is a version 1.0.0 Persona Management Layer skill tagged for automotive, connected-car, fleet, telematics, ADAS, and vehicle domains. It equips coding agents with expert guidance on automotive systems including telematics and fleet management platforms, connected car architectures, advanced driver assistance systems, electric vehicle management, and vehicle-to-everything communication patterns. Developers reach for automotive-expert when scoping dealership systems, mobility platforms, OEM integrations, or safety-critical features that require correct tier-supplier context, ECU boundaries, and regulatory awareness. The skill exposes Read, Write, and Edit tools so agents can embed domain-correct terminology and constraints directly into specs, architecture notes, and implementation plans for automotive software projects.409installs20Nginx Expertnginx-expert is a PCL Team agent skill (version 1.0.0, Apache-2.0) that guides expert-level Nginx setup for reverse proxies, upstream routing, SSL/TLS termination, caching headers, and load balancing. The skill reads and edits server configs, searches existing blocks with Grep/Glob, and runs nginx and systemctl commands via Bash to validate and reload changes. It requires nginx >=1.24 and focuses on fast, secure, production-grade deployments rather than application code. Developers reach for nginx-expert when standing up or hardening edge routing for APIs, microservices, or static frontends behind a single hostname, or when tuning cache-control and upstream health for latency and reliability. The manifest tags cover nginx, web-server, reverse-proxy, load-balancer, and ssl, signaling DevOps-oriented workflows where misconfigured TLS or upstream pools cause outages.402installs21Postgresql Expertpostgresql-expert is a version 1.0.0 agent skill from personamanagmentlayer/pcl that loads expert PostgreSQL guidance into coding agents for production relational backends. The SKILL.md spans roughly 18KB across topics including JSONB and array types, full-text search, advanced indexes, query optimization, transactions, locking, and database administration, with runnable psql, pg_dump, pg_restore, createdb, and dropdb shell access. Agents apply it when designing schemas, writing migrations, tuning slow queries, or operating replicated PostgreSQL clusters. It requires PostgreSQL 15.0 or newer and fits backend engineers who want opinionated SQL patterns, constraint design, and maintenance workflows instead of generic ORM-only advice.402installs22Education Experteducation-expert is a skill in personamanagmentlayer/pcl aimed at edtech and learning-product developers who must define who is taught, how content is sequenced, and which outcomes matter before implementation. The skill guides curriculum structure, learner persona modeling, instructional sequencing decisions, and product copy tuned to educational contexts. Catalog metadata describes education-focused scope work rather than model training or MLOps pipelines. Reach for education-expert when scoping an LMS feature, onboarding flow, or course module and you need consistent pedagogical framing and learner-centered language before writing application code.381installs23Ml Expertml-expert is a version 1.0.0 Claude skill tagged for machine learning, deep learning, neural networks, MLOps, and data science. It covers supervised and unsupervised learning, reinforcement learning, feature engineering, hyperparameter tuning, model evaluation, deep learning, and deployment practices. Allowed tools include Read, Write, Edit, and Bash for Python execution. Developers reach for ml-expert when designing training pipelines, feature stores, model serving endpoints, evaluation frameworks, or MLOps workflows for classification, regression, clustering, or generative ML capabilities embedded in applications.346installs24Powerbi Expertpowerbi-expert is an agent skill in personamanagmentlayer/pcl (version 1.0.0, Apache-2.0) for expert Power BI development spanning DAX, M language (Power Query), data modeling, relationships, row-level security, paginated reports, and report design. The manifest requires powerbicli >= 3.0.0 and allows Read, Write, Edit, Bash, Glob, and Grep tooling for iterative model and report work. Developers reach for powerbi-expert when standing up semantic models from SQL Server or Azure sources, authoring performant DAX measures, tuning Power Query transforms, or embedding analytics for business stakeholders via Fabric or Azure-hosted datasets. The skill emphasizes maintainable star-schema modeling, calculated columns versus measures discipline, and paginated report patterns alongside interactive dashboards. Use during BI feature implementation or embedded analytics integration. Skip for non-Microsoft stacks (Looker, Tableau-only projects), pure backend APIs without a reporting layer, or one-off CSV charts with no Power BI dependency.342installs25Docker Expertdocker-expert is a PCL Team skill (version 1.0.0, Apache-2.0) for expert Docker containerization, image optimization, and orchestration. The skill covers efficient Dockerfile authoring, container lifecycle management, docker-compose stacks, and Docker best practices for devops workflows, with allowed Bash tools scoped to docker and docker-compose commands. Developers reach for docker-expert when a service needs portable local dev environments, CI build pipelines, or troubleshooting of image layers and runtime failures. Compatibility spans agentskills and claude-code agents, targeting reproducible containers across backend APIs, CLI tools, and multi-service compose deployments.340installs26R Expertr-expert (version 1.0.0) is a Persona Management Layer skill offering expert R statistical computing, data analysis, and visualization guidance. It covers R fundamentals—vectors, data frames, factors, apply family, packages—and the Tidyverse ecosystem including ggplot2. Statistical analysis spans descriptive stats, hypothesis testing, regression, ANOVA, and time series. Allowed tools include Read, Write, Edit, and Bash for R and Rscript execution. Developers reach for r-expert when building reproducible R Markdown analyses, tidy data pipelines, or statistical models during data-heavy features. Skip it for pure Python/pandas workflows or frontend charting without R computation.303installs27Java Expertjava-expert is an Apache-2.0 skill from PCL Team (version 1.0.0) that turns an AI agent into a senior Java engineer for Java 17+ codebases, with emphasis on Java 21+ language features, Spring Boot services, and Maven or Gradle dependency management. It is invoked when refactoring enterprise APIs, Android components, or backend modules where clean architecture, performance, and maintainable test coverage matter. Allowed tools include Read, Write, Edit, Glob, Grep, and Bash scoped to java, javac, mvn, gradle, and wrapper scripts. Developers reach for java-expert when they need opinionated JVM patterns applied consistently across services rather than one-off snippets.284installs28Blockchain Expertblockchain-expert is a Persona Management Layer skill (version 1.0.0) providing expert guidance for blockchain development, smart contracts, Web3 applications, DeFi protocols, and cryptocurrency systems. The skill covers distributed ledger fundamentals, consensus mechanisms including PoW, PoS, and PoA, cryptographic hashing, public and private key cryptography, and Solidity programming with gas optimization. It addresses smart contract architecture, wallet connection flows, chain RPC integration, and on-chain indexing for DeFi, NFT, and tokenized commerce use cases. A developer reaches for blockchain-expert when implementing Ethereum-based features and needs structured guidance across contracts, wallets, and chain data rather than ad-hoc Web3 snippets.278installs29Hospitality Experthospitality-expert is a domain expert skill from personamanagmentlayer/pcl (version 1.0.0) for hotel management, reservation systems, guest services, revenue management, and hospitality technology. The skill covers Property Management Systems (PMS), Central Reservation Systems (CRS), Revenue Management Systems (RMS), channel managers, point-of-sale (POS), and guest relationship workflows. Developers reach for it when scoping features for hotels, restaurants, or travel operators and need accurate terminology around reservations, staffing, and revenue models. Tagged domains include hospitality, hotel, reservation, PMS, and revenue-management. It informs product and engineering scope rather than shipping production integrations. Allowed tools are Read, Write, and Edit for spec and documentation work.273installs30Openapi Expertopenapi-expert (version 1.0.0) from personamanagmentlayer/pcl is expert guidance for the OpenAPI Specification, formerly Swagger, covering RESTful API description in YAML or JSON. It supports OpenAPI 3.1 (latest) and 3.0, machine-readable contracts, automatic documentation generation, and client or server code generation. The skill helps define paths, operations, request and response schemas, reusable components, versioning strategy, and security schemes such as OAuth2, API keys, and bearer tokens. Allowed tools include Read, Write, Edit, and Bash scoped to openapi and swagger CLI commands. Developers reach for openapi-expert when authoring a new API spec, reviewing an existing contract for correctness, generating SDK-ready schemas, or ensuring API documentation matches implementation. Tags in the manifest include openapi, swagger, api-spec, rest, api-design, and documentation.267installs31Energy Expertenergy-expert is a version 1.0.0 domain agent skill that gives developers accurate terminology and architectural context for energy-sector software. The skill covers smart grid infrastructure, renewable generation (solar, wind, hydro), power distribution, energy storage, demand response, SCADA integrations, and energy trading markets. Core concept sections walk through generation and distribution workflows, storage systems like batteries and pumped hydro, and market settlement patterns developers must model correctly in APIs and data pipelines. Tagged domains include energy, smart-grid, renewable, power, utilities, and scada. Allowed tools are Read, Write, and Edit so agents can apply domain guidance directly in code and docs. Reach for energy-expert when scaffolding utility billing modules, grid analytics dashboards, renewables trading interfaces, or compliance-heavy energy platforms where generic backend patterns miss regulatory and operational nuance.263installs32Tableau ExpertPCL tableau-expert persona makes Claude a Tableau BI specialist for grow-stage analytics—helping teams design performant dashboards, craft calculated fields and LOD logic, model data for self-serve reporting, and tune extracts for business users.261installs33Git ExpertCoaches developers through advanced Git workflows for branching, rebasing, conflict resolution, and pull-request preparation so repositories stay auditable, CI stays green, and reviewers can trust every merge.259installs34Redis Expertredis-expert is a version 1.0.0 agent skill from personamanagmentlayer/pcl providing expert guidance on Redis as an in-memory data structure store serving cache, message broker, and database roles with microsecond latency. The skill covers eight core data structures—strings up to 512MB, lists, sets, sorted sets, hashes, streams, bitmaps, and HyperLogLog—plus pub/sub, session storage, rate limiting, and queue patterns for production backends. Allowed tools include Read, Write, Edit, and Bash scoped to redis-cli and docker commands for hands-on validation. Developers reach for redis-expert when designing eviction policies, choosing structures for leaderboard or presence features, or wiring pub/sub and rate-limit middleware—not when a simple key-value wrapper without operational semantics is sufficient.256installs35Grafana ExpertThe grafana-expert skill helps Claude configure Grafana for production observability: building actionable dashboards, connecting metrics and logs datasources, defining alerts, and structuring monitoring assets teams rely on during incidents and capacity planning.255installs36Python ExpertPython-expert equips Claude to implement robust Python backends, CLIs, and automation with clear structure, modern typing, dependency management, and maintainable tests suited to SaaS and API products under active development.252installs37Farming ExpertThe farming-expert persona from personamanagmentlayer/pcl provides agriculture-domain depth for early agtech and rural commerce ideas. It supports research into crop management, logistics, equipment workflows, and producer economics so SaaS, API, and ecommerce concepts reflect how farms actually plan, operate, and sell through the season.248installs38Research ExpertThe research-expert skill from personamanagmentlayer/pcl installs a dedicated research persona that guides agents through rigorous discovery: defining questions, finding credible sources, comparing findings, and summarizing implications for product or engineering choices.242installs39Php ExpertPHP expert skill from personamanagmentlayer/pcl for Laravel and PHP backend development including routing, Eloquent models, middleware, Composer packages, and API integration during web and ecommerce builds.241installs40Sql ExpertSQL-expert helps Claude craft correct, performant relational schemas, migrations, indexes, and queries for SaaS, API, and ecommerce backends, ensuring data integrity and efficient access patterns during active feature development.239installs41Ai Engineer ExpertAI engineer expert skill for building production LLM systems: RAG design, agent orchestration, tool interfaces, evaluation loops, observability, and pragmatic deployment tradeoffs.229installs42Cpp ExpertExpert C++ guidance for building fast, reliable native backends, CLIs, and game or systems components. Covers modern C++ standards, RAII, templates, CMake, debugging, and optimization for production codebases.229installs43Helm ExpertThe helm-expert skill from personamanagmentlayer/pcl provides deep Helm and Kubernetes packaging guidance for operators managing chart lifecycles. It helps diagnose templating errors, structure values files, plan safe upgrades, and keep multi-service releases reproducible across staging and production clusters.228installs44Iot ExpertThe iot-expert persona from personamanagmentlayer/pcl supports building device-connected products across APIs, mobile companions, and browser extensions. It advises on protocols, gateway patterns, telemetry schemas, provisioning, OTA updates, and secure edge-to-cloud integrations so hardware-backed backends integrate reliably during build.223installs45Snowflake ExpertSnowflake-expert guides Claude through cloud warehouse setup, secure role design, staging, pipes, tasks, and performant SQL so SaaS and API products integrate analytics pipelines and governed reporting on Snowflake.222installs46Quantum ExpertPCL quantum-expert persona equips Claude with advanced quantum computing knowledge for building agent tooling, simulators, and APIs—covering circuits, algorithms, hardware limits, and hybrid workflows with research-accurate guidance.221installs47Biological ExpertThe biological-expert skill provides specialized life-sciences knowledge so Claude can discuss genetics, physiology, lab methods, and biomedical concepts accurately when shaping research, educational content, or science-aware agent personas.220installs48Aws ExpertThe aws-expert persona from personamanagmentlayer/pcl provides practical Amazon Web Services guidance for operating production systems. It covers networking, IAM, deployment options, observability, resilience, and cost-aware infrastructure decisions for SaaS, API, and agent workloads.216installs49Aerospace ExpertThe aerospace-expert persona from personamanagmentlayer/pcl provides specialized aerospace knowledge during early discovery. It helps agents and builders research avionics, space systems, safety constraints, and industry terminology before designing regulated aviation or aerospace software solutions.213installs50Security ExpertSecurity-expert enables Claude to audit SaaS, API, and mobile codepaths for common vulnerabilities, enforce least-privilege auth, validate inputs, and apply release-ready hardening so teams ship with fewer exploitable gaps.213installs51Finops ExpertFinOps expert for controlling cloud costs: tagging standards, rightsizing, commitment planning, anomaly detection, and showback or chargeback models. Helps SaaS and API teams align engineering decisions with unit economics while keeping production capacity reliable.212installs52Csharp Expertcsharp-expert from personamanagmentlayer/pcl is a language-specialist persona for .NET development. It assists with ASP.NET Core APIs, Entity Framework, dependency injection, and idiomatic C# backend patterns while building enterprise and SaaS server applications.210installs53Flask ExpertThe flask-expert skill equips Claude to design and implement lean Flask backends: blueprint organization, REST endpoints, common extensions, configuration patterns, and testable microservice-style Python APIs suitable for rapid product iteration.210installs54Standards ExpertStandards-expert from persona management layer equips agents with deep coding-standards knowledge so implementations and reviews follow project conventions, lint expectations, and quality norms instead of generic best guesses.208installs55Fastapi ExpertFastAPI expert for production Python APIs: Pydantic models, async routes, dependency injection, middleware, authentication, testing, and OpenAPI. Ideal for SaaS backends, internal services, and agent tool servers that need clear contracts and fast iteration.207installs56Nodejs ExpertNode.js expert skill from personamanagmentlayer/pcl for building backend services with async I/O, middleware, routing, error handling, and npm-based architecture during API and SaaS implementation.204installs57Databricks ExpertDatabricks specialist for lakehouse architecture, Spark development, Delta Lake tables, cluster tuning, and governed data access. Helps teams integrate analytics platforms, optimize pipelines, and ship reliable batch and streaming workloads.201installs58Scala ExpertScala-expert steers Claude through JVM backend implementation using Scala best practices for services, concurrency, functional design, and integration with enterprise APIs and data platforms during active build cycles.201installs59Kafka ExpertKafka-expert skill equips agents to architect event streaming with Apache Kafka: topics, producers, consumers, schemas, and operational patterns for API backends, SaaS platforms, and agent workflows requiring durable async messaging.200installs60Maritime ExpertPCL maritime-expert persona gives Claude specialized shipping, port, and fleet operations knowledge for building maritime logistics software, integrations, and agents with industry-accurate language and regulatory awareness.200installs61Kubernetes ExpertKubernetes-expert guides Claude through production-grade container orchestration: cluster topology, Deployments, Services, ConfigMaps, Secrets, Helm, ingress controllers, HPA/VPA, observability hooks, and failure recovery for SaaS and API workloads on EKS, GKE, or AKS.198installs62Devops ExpertDevOps expert for shipping and operating software: CI/CD design, Docker and Kubernetes, Terraform or similar IaC, secrets handling, and environment promotion. Reduces deployment risk and keeps production infrastructure observable and maintainable.195installs63Spring Boot ExpertThe spring-boot-expert skill from personamanagmentlayer/pcl guides agents through Java Spring Boot backend development: project structure, REST APIs, JPA data layers, security, configuration profiles, observability, and integration patterns for enterprise SaaS services.195installs64Elasticsearch ExpertElasticsearch specialist for designing indices, mappings, analyzers, and efficient queries. Covers aggregations, reindex strategies, ingest pipelines, and operational tuning so search, autocomplete, and observability features stay fast at scale.194installs65Testing Experttesting-expert from personamanagmentlayer/pcl helps Claude craft practical test strategies across unit, integration, and end-to-end layers, choose frameworks and fixtures, structure CI pipelines, and diagnose flaky failures so teams ship with measurable quality bars.194installs66Kotlin ExpertThe kotlin-expert skill from personamanagmentlayer/pcl provides specialized Kotlin guidance for Android and JVM backend development. It covers coroutines, type-safe modeling, build configuration, and service architecture so teams write concise, testable Kotlin that scales from mobile clients to server APIs without common interop pitfalls.189installs67React ExpertReact-expert helps Claude deliver production-grade React frontends with sound component boundaries, hooks, routing, a11y, and performance habits for SaaS dashboards, browser extensions, and React Native-style mobile web experiences.188installs68Performance ExpertPerformance expert skill from personamanagmentlayer/pcl for profiling bottlenecks, optimizing latency and throughput, and validating load behavior across backend, frontend, and data layers before shipping.186installs69Javascript ExpertThe javascript-expert skill from personamanagmentlayer/pcl acts as a senior JavaScript pair for implementing and reviewing code across browser and Node environments. It emphasizes idiomatic syntax, maintainable module boundaries, async correctness, and practical patterns so teams ship reliable interactive features and supporting scripts faster.185installs70Prometheus ExpertPrometheus-expert guides Claude through metrics instrumentation, exporter setup, PromQL, recording rules, and alertmanager workflows so SaaS and API teams can observe production health, debug incidents faster, and maintain reliable SLO dashboards.185installs71Cicd ExpertHelps design and tune CI/CD pipelines—build matrices, automated test gates, artifact promotion, branch protections, and deployment workflows—so teams ship SaaS, APIs, and CLIs with consistent quality and faster feedback.182installs72Looker ExpertLooker-expert helps Claude build governed BI on Google Cloud: LookML views and explores, derived tables, dashboard UX, embed SDK patterns, access filters, PDT strategies, and warehouse-optimized metrics for SaaS product analytics and customer-facing reporting.182installs73Sre ExpertPCL sre-expert persona positions Claude as a Site Reliability Engineering advisor for operating cloud and API infrastructure—guiding reliability targets, incident practices, capacity, toil reduction, and resilient deployment design.181installs74Mongodb ExpertMongoDB expert skill from personamanagmentlayer/pcl for designing document schemas, indexes, aggregation pipelines, and production query patterns during backend persistence implementation.180installs75Code Review Expertcode-review-expert from personamanagmentlayer/pcl provides a dedicated code-review persona for Claude Code. It evaluates pull requests for bugs, architecture, readability, and test gaps, delivering actionable feedback aligned with team quality bars before merge and release.178installs76Ruby ExpertThe ruby-expert skill from personamanagmentlayer/pcl gives agents Ruby and Rails backend fluency: idiomatic app structure, ActiveRecord usage, routing, jobs, testing hooks, gem choices, and integration patterns for SaaS APIs and internal services.178installs77Stockbreeder ExpertPCL stockbreeder-expert persona gives Claude livestock breeding and herd-management domain knowledge for validating ag-tech product scope—ensuring pedigrees, genetics programs, traits, and ranch workflows are modeled with industry-accurate terminology.178installs78Terraform ExpertTerraform-expert from persona management layer gives agents deep infrastructure-as-code knowledge for designing Terraform modules, managing remote state, defining cloud topology, and safely operating multi-environment deployments.178installs79Audit ExpertThe audit-expert persona from personamanagmentlayer/pcl supports pre-ship security and compliance reviews. It helps teams assess controls, logging, access management, evidence trails, and audit readiness for SaaS, API, and ecommerce platforms facing formal scrutiny.176installs80Go ExpertProvides deep Go language guidance for building reliable backends, CLIs, and distributed services. Covers idiomatic code structure, concurrency primitives, error handling, testing, modules, and performance tuning so agents ship maintainable production Go code.176installs81Monitoring ExpertPCL monitoring-expert persona trains Claude as an observability specialist for operating production systems—covering telemetry design, SLOs, alerting hygiene, dashboards, and incident response across SaaS and API workloads.176installs82Elixir ExpertElixir and OTP expert for Phoenix APIs, supervised processes, real-time features, and resilient distributed backends. Guides idiomatic BEAM design, testing, releases, and performance so concurrent SaaS and API products remain stable under load.174installs83Istio ExpertProvides Istio service mesh expertise for operating Kubernetes microservices with secure traffic management, mTLS, gateways, observability, and progressive delivery. Helps teams harden networking, enforce policies, and stabilize production service-to-service communication.172installs84Typescript ExpertTypeScript-expert from persona management layer provides agents with advanced TypeScript knowledge for strict typing, compiler configuration, generics, framework patterns, and refactor-safe implementations across modern web codebases.172installs85Grpc ExpertThe grpc-expert persona from personamanagmentlayer/pcl specializes in gRPC for APIs, SaaS microservices, and agent backends. It helps teams design protobuf APIs, implement servers and clients, choose streaming models, configure auth and deadlines, and resolve interoperability issues during active backend construction.171installs86Qa ExpertQA expert skill from personamanagmentlayer/pcl for test planning, automated unit and integration coverage, acceptance criteria, regression detection, and release-quality validation across SaaS, mobile, and API products.171installs87Ai Architect ExpertThe ai-architect-expert persona from personamanagmentlayer/pcl advises on designing production LLM and agent systems. It covers orchestration, retrieval, tool interfaces, evaluation strategy, guardrails, and scalable architecture for agentic SaaS and API products.170installs88Azure ExpertDelivers Microsoft Azure implementation guidance across compute, identity, networking, storage, and observability so teams can deploy and integrate cloud-native SaaS, APIs, and agent backends on Azure confidently.169installs89Microservices ExpertMicroservices-expert helps Claude design production distributed systems: DDD boundaries, API versioning, Kafka or SNS eventing, outbox patterns, service discovery, graceful degradation, contract testing, and incremental strangler-fig migrations from legacy monoliths to SaaS-scale platforms.169installs90Design ExpertThe design-expert persona from personamanagmentlayer/pcl supplies specialized design judgment for SaaS, mobile, and content products. It helps teams choose layouts, refine interaction flows, align components with a design system, and critique frontend work for clarity, accessibility, and brand consistency during active UI build.168installs91Api Design ExpertThe api-design-expert persona from personamanagmentlayer/pcl helps teams craft consistent, evolvable HTTP and GraphQL APIs during backend build-out. It emphasizes clear contracts, auth models, versioning, error handling, and integration ergonomics for SaaS, mobile, and partner consumers.167installs92Media ExpertMedia-expert guides Claude through end-to-end media systems: S3/GCS ingestion, FFmpeg or cloud transcoding, HLS/DASH packaging, CDN edge rules, image optimization, caption tracks, content moderation hooks, and API designs for creator platforms and marketing sites.167installs93Rust ExpertThe rust-expert skill from personamanagmentlayer/pcl provides deep Rust implementation support: ownership models, trait design, async services, CLI binaries, Cargo layout, error strategies, and performance tuning for reliable low-level backend components.167installs94Dbt Expertdbt expert for analytics engineering: project structure, staging and mart models, testing, documentation, incremental loads, and deployment. Guides reliable ETL in the warehouse so product teams get consistent, tested metrics and dimensions.166installs95Cloudflare ExpertCovers Cloudflare edge operations: DNS and CDN tuning, WAF and bot protection, Workers at the edge, Zero Trust access, and TLS management to secure and accelerate production SaaS, API, and content properties.163installs96Codeql Expertcodeql-expert from personamanagmentlayer/pcl specializes in GitHub CodeQL static analysis. It guides writing queries, understanding data-flow results, prioritizing findings, and remediating appsec issues during security review before shipping production code.163installs97Airflow ExpertProvides deep Apache Airflow guidance for building production DAGs: task dependencies, operators, sensors, scheduling, retries, executor topology, and operational monitoring for dependable ETL and workflow automation.162installs98Skill Creator ExpertSkill-creator-expert teaches Claude to design, scaffold, and refine agent skills with clear triggers, progressive disclosure, bundled references, and verification steps so agent products gain reusable, maintainable expertise modules.160installs99Django ExpertThe django-expert skill gives Claude strong Django guidance for building secure Python web backends: project layout, ORM modeling, REST APIs, authentication, admin tooling, and production-minded configuration patterns teams expect in SaaS products.158installs100Graphql ExpertThe graphql-expert skill provides Claude with GraphQL API design depth: schema modeling, efficient resolvers, federation patterns, security boundaries, and integration strategies for SaaS and mobile clients needing flexible, typed data access.158installs101Data Mesh ExpertThe data-mesh-expert skill guides Claude through decentralized data architecture: defining domain data products, platform capabilities, governance guardrails, and integration patterns for organizations scaling beyond a monolithic warehouse.157installs102Linkerd Expertlinkerd-expert from personamanagmentlayer/pcl equips Claude to configure Linkerd on Kubernetes: install the control plane, enable mTLS, define traffic splits, set service profiles, and troubleshoot mesh latency, policy, and certificate issues in live clusters.152installs103Swift ExpertSwift-expert from persona management layer gives agents specialized Apple-platform knowledge for building iOS apps with correct Swift idioms, UI patterns, concurrency choices, and mobile architecture suited to production Swift codebases.152installs104Pcl ExpertPcl-expert teaches Claude the Persona Management Layer framework from personamanagmentlayer/pcl: how to define domain experts, attach skills, route tasks to kubernetes or ML personas, enforce tool policies, and compose reliable multi-persona agent stacks for complex builds.150installs