dandgabr/Coacus

documentation-designer

Acts as a specialist in Technical Documentation Engineering, Human Anti-AI Prose (Anti-AI Writing Manifesto), Diátaxis Architecture, and Visual Diagram Modeling with Mermaid.js.

code-mapping-specialist

Acts as a Senior Specialist in End-to-End Mapping of Applications, Code, Flows, Infrastructure, Kubernetes, Cloud, and Dependency Graphs, correlating low-level calls, AST, architectural diagrams, and network/cloud topologies.

devsecops-engineer

Acts as a DevSecOps Engineer, automating security checks in the CI/CD pipeline (SAST, DAST, SCA), managing secrets securely, and ensuring security in Cloud and Containers.

using-coacus

Establishes how to work inside a Coacus repository: consult the skill catalog before acting, scan the index once per session, and follow the artifact lifecycle. Use when starting any conversation or task in a Coacus workspace.

superpowers-brainstorming

You MUST use this before any creative work - creating features, building components, adding functionality, or modifying behavior. Explores user intent, requirements and design before implementation.

data-intensive-systems

Specializes in Data-Intensive Systems (Reliability, Scalability, and Maintainability) based on Designing Data-Intensive Applications, 2nd Edition (Martin Kleppmann & Chris Riccomini). Covers data models and query languages, storage engines (LSM-Tree, B-Tree,…

data-mesh-governance

Specializes in Data Mesh Architecture, Data Products, and Federated Governance based on Implementing Data Mesh (Jean-Georges Perrin) and The Enterprise Data Catalog (Ole Olesen-Bagneux). Covers the 4 Data Mesh principles (Domain Ownership, Data as a Product,…

db-mariadb

Provides administration and engineering patterns for MariaDB based on the official documentation (mariadb.com/docs). Covers storage engines (InnoDB, Aria, ColumnStore, MyRocks), InnoDB Buffer Pool tuning, Galera Cluster, MariaDB MaxScale, Mariabackup, and…

db-mongodb

Provides administration and engineering patterns for MongoDB based on the official documentation in Portuguese (mongodb.com/pt-br/docs). Covers document modeling (Embedding vs Referencing), the WiredTiger engine, Read/Write Concern, indexes (Compound,…

db-postgresql

Provides administration and engineering patterns for PostgreSQL based on the official documentation (postgresql.org/docs). Covers MVCC architecture, Autovacuum tuning, advanced types (JSONB, PostGIS), index strategy (B-Tree, GIN, GiST, BRIN), EXPLAIN ANALYZE…

db-sqlite

Provides engineering and optimization patterns for SQLite based on the official documentation (sqlite.org/docs.html). Covers serverless architecture, WAL mode (Write-Ahead Logging), performance pragmas, covering and partial indexes, FTS5, JSON1, and the…

jpa-hibernate-performance

Specializes in Java Persistence performance (JPA/Hibernate) based on High-Performance Java Persistence (Vlad Mihalcea). Covers JDBC batching, the N+1 query problem and fetch strategies (JOIN FETCH, EntityGraph), FlushOperationQueue and ActionQueue, dirty…

power-bi

Acts as a specialist in Microsoft Power BI and Microsoft Fabric, covering dimensional modeling (Star Schema), advanced DAX, Power Query (M), RLS/OLS, Dataflows/Datamarts, and performance optimization.

realtime-streaming-event-driven

Specializes in Real-Time Streaming Architectures, Batch-Stream Unification, and Streaming Databases based on Streaming Databases (Hubert Dulay) and Building Real-Time Analytics Systems (Mark Needham). Covers Apache Kafka, Apache Pinot, Apache Flink,…

academic-abstract-algebra-geometry

Specializes in Abstract Algebra, Field and Galois Theory, Advanced Linear Algebra, and Differential Geometry building on Algebra (Serge Lang), Abstract Algebra (Dummit & Foote), Algebra, Topology, Differential Calculus, and Optimization Theory for CS and ML…

academic-algorithms-data-structures

Specializes in Advanced Algorithms, Data Structures, and Computation Theory building on CLRS, Sipser, Knuth, and Kopec. Covers Asymptotic Complexity (Big-O, Master Theorem, Akra-Bazzi), Balanced Trees and Spatial Indexing (AVL, Red-Black, B/B+ Trees, Segment…

academic-biomedical-instrumentation-signals

Specializes in Biomedical Engineering, Medical Instrumentation, Physiological Signals, and Diagnostic Imaging building on John G. Webster (Medical Instrumentation Application and Design) and Jerrold T. Bushberg (The Essential Physics of Medical Imaging).…

academic-biotechnology-bioprocesses

Specializes in Biotechnology, Bioprocess Engineering, Industrial Bioreactors, and Recombinant DNA Technology building on Bioprocess Engineering Principles (Pauline M. Doran), Bioprocess Engineering (Shuler, Kargi, DeLisle), and Biotecnologia Industrial…

academic-calculus-differential-equations

Specializes in Differential and Integral Calculus (I to IV), Ordinary Differential Equations (ODEs), Partial Differential Equations (PDEs), Vector Calculus, and Numerical Methods building on Algebra, Topology, Differential Calculus, and Optimization Theory…

academic-chemical-engineering-reactors

Specializes in Chemical Engineering, Reactors, Transport Phenomena, and CFD building on H. Scott Fogler (Elements of Chemical Reaction Engineering), R. Byron Bird, Warren E. Stewart & Edwin N. Lightfoot (Transport Phenomena), and John D. Anderson…

academic-chemistry-synthesis-analysis

Specializes in Fundamental and Applied Chemistry, Organic/Inorganic Synthesis, Physical Chemistry, and Instrumental Analysis building on Clayden, Miessler, Atkins, and Skoog. Covers Solution Thermodynamics and Phase Equilibrium (Antoine Equation, Azeotropic…

academic-circuit-analysis-electronics

Specializes in Electrical Circuit Analysis, Analog Electronics, and Microelectronics building on Introductory Circuit Analysis (Boylestad), Fundamentals of Electric Circuits (Alexander, Sadiku), and Microelectronic Circuits (Sedra, Smith). Covers Kirchhoff's…

academic-classical-mechanics-relativity

Specializes in Advanced Classical Mechanics, Analytical Dynamics, Chaos Theory, and Special and General Relativity building on Classical Mechanics (Herbert Goldstein), Mechanics (Landau & Lifshitz), Gravitation (Misner, Thorne, Wheeler), and Spacetime and…

academic-compilers-language-processors

Specializes in Compiler Engineering, Language Processors, and Code Optimization building on Compilers Principles, Techniques, and Tools (Dragon Book - Aho, Lam, Sethi, Ullman) and Engineering a Compiler (Cooper, Torczon). Covers Lexical Analysis (Flex/Lex,…

academic-computer-graphics-image-processing

Senior specialist in Computer Graphics, Computer Vision, Digital Image Processing, and Digital Compositing building on Mathematics for Computer Graphics (John Vince), Computer Vision Metrics (Scott Krig), Mastering Computer Vision with PyTorch 2.0 (M. Arshad…

academic-control-systems-theory

Specializes in Classical and Modern Control Theory, Industrial Robotics, and Automation building on Katsuhiko Ogata (Modern Control Engineering), John J. Craig (Introduction to Robotics Mechanics and Control), and the IEC 61131-3 standard. Covers Root Locus,…

academic-digital-communications-signals

Specializes in Digital Communications, Information Theory, Optical Networks, Radio Frequency, and Wireless Systems building on John G. Proakis (Digital Communications), Gerd Keiser (Optical Fiber Communications), Andrea Goldsmith, and Simon Haykin. Covers the…

academic-digital-systems-vlsi

Specializes in Digital Systems, Logic Synthesis, Hardware Description (Verilog, SystemVerilog, VHDL), and VLSI/CMOS Integrated Circuit Design building on Morris Mano (Digital Design), Weste & Harris (CMOS VLSI Design), Blaine Readler, and Douglas Perry.…

academic-electrical-power-energy-systems

Specializes in Electric Power Systems (EPS), Energy Generation, Transmission and Distribution, Rotating Electrical Machines, and Power Electronics building on Power System Analysis (Grainger, Stevenson), Electric Machinery (Fitzgerald, Kingsley), Power…

academic-electromagnetism-electrodynamics

Specializes in Classical Electromagnetism and Advanced Electrodynamics building on Introduction to Electrodynamics (David J. Griffiths) and Classical Electrodynamics (John David Jackson). Covers Maxwell's Differential and Integral Equations, Lorenz and…

academic-enterprise-information-systems

Specializes in Enterprise Information Systems and IT Governance building on Management Information Systems (Laudon, Laudon) and Business Process Management (Dumas et al.). Covers Business Process Modeling (BPMN 2.0), Integrated Management Systems (ERP, CRM,…

academic-geosciences-remote-sensing-gis

Specializes in Geosciences, Remote Sensing, Geoprocessing (GIS), Cartography, and Land-Use Planning building on Remote Sensing and Image Interpretation (Lillesand, Kiefer, Chipman), Geographic Information Systems and Science (Longley et al.), and Decifrando a…

academic-microprocessors-embedded-systems

Specializes in Microprocessor Architecture, Embedded Systems, RTOS, and Embedded Linux building on Patterson & Hennessy (Computer Organization and Design), Rodolfo Giometti (Yocto Project), and Andrew Eliasz (Zephyr RTOS). Covers ARM Cortex-M/A/R…

academic-probability-stochastic-processes

Specializes in Axiomatic Probability, Measure Theory, and Stochastic Processes building on Probability and Random Processes (Grimmett, Stirzaker), Probability: Theory and Examples (Rick Durrett), and Stochastic Differential Equations (Bernt Øksendal). Covers…

academic-scientific-research

Specializes in Scientific Research Methodology, Systematic Literature Review (PRISMA 2020), PICO/PECO Structuring, PRESS Appraisal, Searching Indexed Databases (PubMed/MeSH, arXiv, IEEE Xplore, Semantic Scholar, Scopus, SciELO), and Citation Networks.

academic-solid-state-semiconductors

Specializes in Solid State Physics, Semiconductor Devices, Nanomaterials, and Microfabrication building on Charles Kittel (Introduction to Solid State Physics), Donald Neamen (Semiconductor Physics and Devices), Charles P. Poole & Frank J. Owens (Introduction…

academic-structural-analysis-solid-mechanics

Specializes in Solid Mechanics, Matrix Structural Analysis, Finite Element Analysis (FEA), Soil Mechanics, and Geotechnical Engineering building on James M. Gere & Barry J. Goodno (Mechanics of Materials), Aslam Kassimali (Matrix Analysis of Structures), and…

academic-thermodynamics-statistical-physics

Specializes in Classical Thermodynamics, Statistical Physics, and Phase Transitions building on Statistical Mechanics (R. K. Pathria, Paul D. Beale), Thermodynamics and an Introduction to Thermostatistics (Herbert B. Callen), and Statistical Physics (Landau &…

data-science-advanced-math

Specializes in Advanced Mathematics, Linear Algebra, Topology, Differential Calculus, and Optimization for Machine Learning and Data Science building on Algebra, Topology, Differential Calculus, and Optimization Theory for CS and ML (Jean Gallier, Jocelyn…

quantum-computing-algorithms

Specializes in Advanced Quantum Mechanics, Theoretical Physics, Quantum Circuits, and Quantum Algorithms building on J. J. Sakurai (Modern Quantum Mechanics), Claude Cohen-Tannoudji (Quantum Mechanics), and Michael A. Nielsen & Isaac L. Chuang (Quantum…