Persona Control Language (PCL)
This repository also configures its own agents. See what pcl tells them →
Skill Claude Code
Expert-level Git version control with advanced workflows, branching strategies, and best practices for team collaboration. Use when the user mentions version control, collaboration, or workflow, or when the task involves Essential Git Commands, Advanced Git Techniques, Branching Strategies, or Conflict Resolution.
Skill Claude Code
Expert system for designing, creating, and validating PCL skills with comprehensive domain knowledge extraction. Use when the user mentions skill creation, meta programming, domain modeling, knowledge engineering, or PCL development, or when the task involves Skill Design Principles, Skill Architecture Patterns…
Skill Claude Code
Expert-level software testing with unit tests, integration tests, E2E tests, TDD/BDD, and testing best practices. Use when the user mentions TDD, BDD, unit tests, integration tests, or end-to-end tests, or when the task involves Testing Fundamentals, Unit Testing, Integration Testing, or End-to-End Testing.
Skill Claude Code
Build LLM agents that use tools safely: tool design, the agent loop, memory, MCP servers, multi-agent orchestration, sandboxing and prompt-injection defence. Use when the user mentions AI agents, tool use or function calling, MCP or Model Context Protocol, autonomous workflows, multi-agent systems, LangChain or…
Skill Claude Code
Build reliable applications on large language models: prompt design, structured output, evaluation, guardrails, and cost and latency control. Use when the user mentions LLMs, prompts, prompt engineering, few-shot examples, structured or JSON output, function calling, hallucination, model evaluation, token costs…
Skill Claude Code
Design retrieval-augmented generation systems: chunking, embeddings, vector and hybrid search, reranking, grounding and evaluation. Use when the user mentions RAG, retrieval, semantic search, embeddings, vector databases, pgvector, Chroma, Qdrant, Pinecone, chunking or reranking, wants an assistant answering over…
Skill Claude Code
Design and query columnar analytical stores: DuckDB, ClickHouse and cloud warehouses, including file formats, partitioning, sort keys and cost control. Use when the user mentions DuckDB, ClickHouse, Parquet, columnar storage, OLAP, a data warehouse or lakehouse, analytical queries over large tables, or when the task…
Skill Claude Code
MySQL and MariaDB administration and development: InnoDB internals, indexing, query tuning, replication, and online schema change. Use when the user mentions MySQL, MariaDB, InnoDB, my.cnf, slow queries, EXPLAIN, binlog or replication lag, gtid, Percona or pt-online-schema-change, or when the task involves designing a…
Skill Claude Code
Build continuous data pipelines over event streams: windowing, watermarks, exactly-once semantics, stateful processing and change data capture. Use when the user mentions stream processing, Flink, Spark Structured Streaming, CDC or Debezium, event time versus processing time, watermarks, tumbling or sliding windows…
Skill Claude Code
Build interfaces usable by everyone: WCAG 2.2 conformance, semantic HTML, ARIA, keyboard navigation, screen readers and accessible forms. Use when the user mentions accessibility, a11y, WCAG, ARIA, screen readers, keyboard navigation, colour contrast, focus management, the European Accessibility Act or Section 508, or…
Skill Claude Code
Design and deploy production-ready 5G network solutions including network slicing, edge computing, and ultra-low latency applications. Use when the user mentions 5G, network slicing, NFV/SDN, MEC or multi-access edge computing, URLLC/eMBB/mMTC, RAN or core network design, or needs ultra-low-latency mobile network…
Skill Claude Code
Expert in agricultural technology, precision agriculture, crop monitoring, livestock tracking, farm analytics, and sustainable farming practices. Use when the user mentions precision agriculture, farming, crop monitoring, livestock, farm management, or sustainable agriculture, or when the task involves Livestock…
Skill Claude Code
Expert in biotechnology systems, genomics, LIMS, bioinformatics pipelines, lab automation, and bioprocess management. Use when the user mentions genomics, bioinformatics, LIMS, lab automation, bioprocessing, or gene sequencing, or when the task involves Genomics and Sequencing Technologies, Laboratory Information…
Skill Claude Code
Build comprehensive business intelligence solutions including data warehouses, ETL pipelines, interactive dashboards, and analytical reporting systems. Use when the user mentions BI, data warehousing, star or snowflake schemas, OLAP cubes, ETL/ELT pipelines, dashboards, KPIs, or analytical reporting.
Skill Claude Code
Expert in clean technology, renewable energy systems, carbon tracking, ESG reporting, sustainability analytics, and energy optimization. Use when the user mentions renewable energy, carbon tracking, esg, sustainability, energy optimization, or green tech, or when the task involves Renewable Energy Systems, Carbon…
Skill Claude Code
Build comprehensive customer support systems including ticketing, knowledge management, SLA tracking, and customer satisfaction analytics. Use when the user mentions helpdesk or service desk, ticketing, SLA targets, knowledge bases, escalation workflows, CSAT/NPS, or customer success operations.
Skill Claude Code
Build comprehensive cybersecurity solutions including threat detection, incident response, vulnerability management, and security compliance monitoring. Use when the user mentions threat detection, SIEM, incident response, vulnerability management, security monitoring, or security compliance programs.
Skill Claude Code
Expert in Dynamics 365 platform, model-driven apps, canvas apps, Power Automate flows, Dataverse, plugins, and custom workflows. Use when the user mentions Microsoft platforms, ERP, CRM, business apps, the Power Platform, or Dataverse, or when the task involves Dynamics 365 Applications, Dataverse Platform…
Skill Claude Code
Build comprehensive e-learning solutions including course management, student engagement, assessment systems, and learning analytics. Use when the user mentions an LMS, online courses, SCORM or xAPI, student engagement, assessments and grading, or learning analytics.
Skill Claude Code
Design and implement production-grade edge computing solutions including CDN optimization, fog computing architectures, and distributed edge workloads. Use when the user mentions edge computing, CDN or edge caching, fog computing, MEC, IoT edge workloads, or latency-sensitive distributed deployments.
Skill Claude Code
Expert in education technology, adaptive learning, student analytics, virtual classrooms, assessment tools, and learning management systems. Use when the user mentions education, e learning, lms, adaptive learning, student analytics, or virtual classroom, or when the task involves Learning Management Systems, Virtual…
Skill Claude Code
Expert-level education technology, learning management systems, and ed-tech platforms. Use when the user mentions edtech, lms, e learning, or assessment, or when the task involves Educational Technology or Standards.
Skill Claude Code
Expert-level precision agriculture, farm management systems, crop monitoring, and agtech. Use when the user mentions agriculture, precision agriculture, agtech, or crop management, or when the task involves Farm Management or AgTech Solutions.
Skill Claude Code
Expert in financial technology, payment processing, open banking APIs, PSD2, blockchain in finance, robo-advisors, and RegTech. Use when the user mentions payments, open banking, PSD2, blockchain, cryptocurrency, or robo advisor, or when the task involves Payment Processing, Blockchain in Finance, Payment Security, or…
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