Agent Skills

A collection of agent skills across multiple topics. Automatically updated when new skills are added to my profile.

Software development

Skills covering the build phases of the software development lifecycle, from analysis and coding through release.

Analysis & requirements

Skills for turning intent into requirements, acceptance criteria, user stories, and grounded architecture diagrams before any code is written.

• plantuml-skill — Professional PlantUML and C4 diagram skill for architecture visualization, sequence flows, and technical documentation.

  Topics: agent-skills, analysis, diagrams, harness-execution-layer, plantuml, uml

  npx skills@latest add jovd83/plantuml-skill

• diagram-generator — Creates grounded Mermaid-first software diagrams and compact architecture documentation from code, schemas, and requirements.

  Topics: agent-skill, agent-skills, analysis, diagrams, harness-execution-layer, mermaid

  npx skills@latest add jovd83/diagram-generator

• backlog-story-generator — Generates epics, backlog-ready user stories, and importable story packs from requirements, discovery notes, or codebases.

  Topics: agent-skills, analysis, epic, harness-execution-layer, user-story

  npx skills@latest add jovd83/backlog-story-generator

• acceptance-criteria-designer — Turns raw product requirements into testable acceptance criteria, coverage notes, and machine-readable contracts.

  Topics: acceptance-criteria, agent-skill, agent-skills, analysis, harness-feedback-layer

  npx skills@latest add jovd83/acceptance-criteria-designer

Coding, refactoring & delivery

Skills that help write new code, audit and refactor existing structures, manage defects, and keep the stack modern.

• bug-fix-lifecycle — Guides defects from intake to verified fix with failing confirmation tests, scoped remediation, and structured resolution reporting.

  Topics: agent-skills, bugfix, coding, defects, harness-execution-layer

  npx skills@latest add jovd83/bug-fix-lifecycle

• principal-audit-refactor — Runs severity-ranked engineering audits and executes approval-gated refactors to raise prototype code to production quality.

  Topics: agent-skill, agent-skills, auditing, coding, harness-execution-layer, refactoring, technical-review

  npx skills@latest add jovd83/principal-audit-refactor

• new-feature-sdlc-skill — Orchestrates approved feature delivery from discovery through implementation, testing, documentation, and release-ready closeout.

  Topics: agent-skill, agent-skills, coding, harness-execution-layer

  npx skills@latest add jovd83/new-feature-sdlc-skill

• modern-dependency-guard — Reviews and modernizes stacks, packages, SDKs, and tooling before code is written against them.

  Topics: agent-behavior, agent-skill, depencency-check, harness-execution-layer

  npx skills@latest add jovd83/modern-dependency-guard

Release & operations

Skills for preparing releases, changelogs, version bumps, and post-release CI follow-through.

• release-manager-skill — Prepares GitHub repositories for release with changelog validation, semver selection, safe staging, push, and CI follow-through.

  Topics: agent-skills, github, harness-execution-layer, release-management

  npx skills@latest add jovd83/release-manager-skill

Project management

Skills for planning project work, bootstrapping repositories, defining project governance, and translating approved plans into implementation tasks.

• project-bootstrapper-skill — AgentSkill for bootstrapping new project repositories with stack-specific scaffold adapters.

  Topics: agentskills, greenfield, repository-bootstrap, sdlc

  npx skills@latest add jovd83/project-bootstrapper-skill

• project-genesis-chain — AgentSkill chain for greenfield project creation from idea to release-ready repository.

  Topics: agentskills, ai-agents, orchestration, project-bootstrap, sdlc, spec-driven-development

  npx skills@latest add jovd83/project-genesis-chain

• project-constitution-skill — AgentSkill for creating practical project constitutions, quality gates, and skill-routing policy.

  Topics: agentskills, project-governance, sdlc

  npx skills@latest add jovd83/project-constitution-skill

• implementation-task-planner-skill — AgentSkill for turning approved specs and architecture plans into dependency-aware implementation tasks.

  Topics: agentskills, architecture, sdlc, task-planning, traceability

  npx skills@latest add jovd83/implementation-task-planner-skill

SDLC

Skills that orchestrate or support the software development lifecycle end-to-end.

• greenfield-architecture-planner — AgentSkill for planning greenfield software architecture from specs, constraints, and acceptance criteria.

  Topics: agentskills, api-design, architecture, greenfield, sdlc

  npx skills@latest add jovd83/greenfield-architecture-planner

Quality & testing

Skills covering the full quality lifecycle: test analysis and design, automation frameworks, specialized testing disciplines, test data, and contract or design fidelity.

Test design & review

Skills for analyzing requirements for testability, designing test cases with the right black-box technique, and reviewing drafted or automated tests for quality and coverage.

• test-design-orchestrator — Transforms requirements and business rules into structured software test artifacts using the right black-box design technique.

  Topics: agent-skills, harness-execution-layer, test-case, test-design, test-scenario, testing

  npx skills@latest add jovd83/test-design-orchestrator

• test-artifact-export-skill — Formats approved test artifacts into review-ready docs and importable outputs for Gherkin, Xray, Zephyr, TestLink, and TestRail.

  Topics: agent-skill, bdd, harness-execution-layer, tdd, testing

  npx skills@latest add jovd83/test-artifact-export-skill

• test-analysis-skill — Analyzes requirements and use cases for ambiguity, testability, delivery risk, and missing stakeholder decisions.

  Topics: agent-skills, harness-execution-layer, static-testing, test-analysis, testing

  npx skills@latest add jovd83/test-analysis-skill

• tdd-test-case-reviewer — Reviews and scores drafted test cases for traceability, correctness, standards compliance, and TDD or TSS quality.

  Topics: agent-skills, tdd, test-review, testing

  npx skills@latest add jovd83/tdd-test-case-reviewer

• automated-test-reviewer — Explains automated tests in business language and reviews automation quality, coverage, and traceability.

  Topics: agent-skill, agent-skills, functional-review, harness-execution-layer, test-review, testing

  npx skills@latest add jovd83/automated-test-reviewer

• agentic-bdd-test-case-mentor — Reviews and improves BDD and Gherkin scenarios with coaching on traceability, coverage gaps, and Given-When-Then quality.

  Topics: agent-skills, harness-execution-layer, tdd, test-review, testing

  npx skills@latest add jovd83/agentic-bdd-test-case-mentor

Test management & planning

Skills for planning test efforts, defining test strategy, and organizing test management activities.

• test-lifecycle-skill — 13-phase test lifecycle orchestrator Agent Skill with mode-aware HITL gates

  Topics: agentskills, test-planning

  npx skills@latest add jovd83/test-lifecycle-skill

• test-strategy-skill — AgentSkill that produces a structured, auditable test strategy: selects test levels and types, maps automation lanes, prioritizes scenarios by risk, derives exit criteria, and outputs strategy.md + strategy.json. Phase 4 of the test-lifecycle-skill chain.

  Topics: agentskill, test-planning, test-strategy, testing

  npx skills@latest add jovd83/test-strategy-skill

Test automation frameworks

Skills for authoring and operating test automation in specific frameworks (Cypress, Playwright, JUnit 5, Rest Assured) plus stack-aware unit and component tests.

• playwright-skill — End-to-end Playwright skill pack for planning, authoring, debugging, documenting, and operationalizing test automation.

  Topics: agent-skill, agent-skills, harness-execution-layer, playwright, testing

  npx skills@latest add jovd83/playwright-skill

• Cypress-skill — End-to-end Cypress skill pack for planning, authoring, debugging, documenting, and operationalizing test automation.

  Topics: agent-skill, agent-skills, cypress, harness-execution-layer

  npx skills@latest add jovd83/Cypress-skill

• stack-aware-unit-testing-skill — Inspects a codebase, detects the test stack, and plans or writes isolated unit and component tests safely.

  Topics: agent-skill, agent-skills, component-testing, harness-execution-layer, testing, unit-testing

  npx skills@latest add jovd83/stack-aware-unit-testing-skill

• restassured-skill — Rest Assured skill pack for designing, implementing, documenting, and reporting API tests in Java and CI workflows.

  Topics: agent-skill, agent-skills, harness-execution-layer, restassured, testing

  npx skills@latest add jovd83/restassured-skill

• junit5-skill — JUnit 5 skill pack for creating, debugging, modernizing, documenting, and routing JVM test workflows.

  Topics: agent-skill, agent-skills, harness-execution-layer, junit5, testing

  npx skills@latest add jovd83/junit5-skill

Specialized testing

Skills for testing concerns that cut across features: performance, responsive behavior, accessibility, and security.

• leak-canary — Scan a project for data leaks — credentials, API keys, secrets, and GDPR/PII violations — before pushing to GitHub or sharing externally

  Topics: agentskill, credentials, data-leak, gdpr, pii, security

  npx skills@latest add jovd83/leak-canary

• a11y-audit-agent-skill — Accessibility audit skill for web apps that combines automated scanning, manual verification, and remediation-ready WCAG reports.

  Topics: accessibility, agent-skill, harness-execution-layer

  npx skills@latest add jovd83/a11y-audit-agent-skill

• defensive-appsec-review-skill — Authorized defensive AppSec review skill for repositories, APIs, CI/CD, IaC, and AI systems with findings-first output.

  Topics: agent-skill, agent-skills, harness-feedback-layer, security, testing

  npx skills@latest add jovd83/defensive-appsec-review-skill

• responsive-testing — Plans and runs responsive frontend testing across devices and screen sizes, with normalized reporting outputs.

  Topics: agent-skills, harness-execution-layer, responsive, testing

  npx skills@latest add jovd83/responsive-testing

• performance-testing-skill — Plans, executes, and analyzes safe performance testing for APIs, web apps, services, and distributed systems.

  Topics: agent-skills, harness-execution-layer, performance, testing

  npx skills@latest add jovd83/performance-testing-skill

Test data

Skills for generating realistic, seeded, and distribution-shaped synthetic data for tests, demos, and sandboxes.

• lifelike-synthetic-data-generator — Generates realistic synthetic datasets for tests and demos with seeded, locale-aware, and distribution-shaped data.

  Topics: agent-skill, agent-skills, harness-execution-layer, synthetic-dataset-generation, testing

  npx skills@latest add jovd83/lifelike-synthetic-data-generator

Design fidelity & contracts

Skills that catch drift between an implementation and its source of truth — design systems, API contracts, schemas.

• api-contract-sentinel — Audits APIs against OpenAPI, AsyncAPI, JSON Schema, protobuf, or PRD contracts to catch drift before release.

  Topics: agent-behavior, agent-skill, api-contract, feedback-layer, harness-feedback-layer

  npx skills@latest add jovd83/api-contract-sentinel

• design-fidelity-auditor — Audits frontend implementations for design-system drift across CSS, Tailwind, JSX, TSX, Vue, and Angular code.

  Topics: agent-behavior, agent-skill, design-system, feedback-layer, harness-feedback-layer

  npx skills@latest add jovd83/design-fidelity-auditor

Agent platform

Skills that support the agent runtime itself: context and memory, orchestration, prompt and telemetry quality, and skill maintenance.

Context & memory

Skills that build, prune, persist, and clean up the information layer an agent reasons over.

• shared-memory — Manages durable cross-agent shared memory for stable conventions, reusable policies, and organization-wide operating rules.

  Topics: agent-behavior, agent-skill, agent-skills, harness-information-layer, memory

  npx skills@latest add jovd83/shared-memory

• codebase-context — Builds concise repository context bundles covering structure, entry points, dependencies, tests, conventions, and risks.

  Topics: agent-skill, harness-information-layer

  npx skills@latest add jovd83/codebase-context

• shared-memory-janitor — Consolidates and cleans shared memory by merging duplicates, resolving conflicts, and removing non-reusable noise.

  Topics: agent, agent-skill, agent-skills-helper, harness-information-layer, memory, skill-behavior

  npx skills@latest add jovd83/shared-memory-janitor

• context-density-optimizer — context-density-optimizer is an AgentSkill for pruning bloated working context before implementation, review, debugging, or planning work

  Topics: agent-skill, harness-information-layer

  npx skills@latest add jovd83/context-density-optimizer

Orchestration & dispatch

Skills that route work to the right skill and execute multi-phase agent chains end-to-end.

• skill-orchestrator — Execution layer for skill-dispatcher — runs multi-phase agent chains end-to-end with per-step telemetry and chain_id correlation

  Topics: agent-behavior, agent-skill, agentskill, ai-orchestration, chain-execution, orchestrator, skill-dispatcher

  npx skills@latest add jovd83/skill-orchestrator

• skill-dispatcher — High-performance routing engine that selects the best agent skill for a task and emits structured handoff decisions.

  Topics: agent-behavior, agent-skill, agent-skills, dispatcher, harness-execution-layer

  npx skills@latest add jovd83/skill-dispatcher

Prompt & telemetry

Skills that score prompts for clarity and structure, and produce auditable token-usage and cost reports from runtime evidence.

• token-usage-cost-report — Produces auditable token-usage and cost reports from runtime evidence, normalized usage bundles, and repository-level report sets.

  Topics: agent-behavior, agent-skill, agent-skills, harness-execution-layer, tokens

  npx skills@latest add jovd83/token-usage-cost-report

• prompt-efficacy-scorer — Scores and improves prompts for clarity, consistency, signal density, structure, and runtime fit.

  Topics: agent-behavior, agent-skill, feedback-layer, harness-feedback-layer, prompt-engineering

  npx skills@latest add jovd83/prompt-efficacy-scorer

Skill maintenance

Skills that maintain other skills — frontmatter hygiene, metadata cleanup, YAML optimization.

• skill-yaml-cleanup — Audit and reduce YAML frontmatter bloat in AgentSkill SKILL.md files. Automates deduplication, flattening, and noise removal.

  Topics: agent-behavior, agent-skills, agentskills, automation, cli-tool, frontmatter-optimization, metadata-management, python, yaml

  npx skills@latest add jovd83/skill-yaml-cleanup

Governance & compliance

Skills that design human-oversight controls, handoff contracts, and review flows aligned with regulatory regimes such as the EU AI Act.

Oversight & HITL

Skills for human-in-the-loop oversight, handoff design, and regulatory-aligned review flows.

• eu-ai-act-hitl-monitor-skill — Designs and validates human-oversight controls, handoff contracts, and review flows for EU AI Act-aligned agent systems.

  Topics: agent-skills, hitl

  npx skills@latest add jovd83/eu-ai-act-hitl-monitor-skill

Agile facilitation

Skills supporting agile ceremonies, retrospectives, and team facilitation artifacts.

Ceremonies & retrospectives

Skills for designing retrospective boards, capturing outcomes, and turning them into action items and tracker-ready output.

• retro-board-creator — Agent Skill for designing visually engaging agile/scrum retrospective boards (Draw.io, Mermaid, PNG/SVG, Microsoft Whiteboard) and turning completed retros into summaries, action items, and Jira/Confluence-ready output.

  Topics: agentskills, agile, ai-agent, anthropic, claude, claude-code, confluence, drawio, facilitation, jira, mermaid, retrospective, scrum

  npx skills@latest add jovd83/retro-board-creator

Smart Home

Skills for smart home integration, devices, and home automation.

Home automation

Skills related to home automation, device control, and smart integrations.

• loxberry-integrator — Agent skill that generates GitHub-ready LoxBerry plugin projects integrating devices, services, APIs, or protocols (MQTT, REST, UDP, Modbus, WebSocket) with a Loxone Miniserver.

  Topics: agentskills, code-generation, homeautomation, loxberry, loxberry-plugin, modbus, mqtt, plugin-generator, smarthome

  npx skills@latest add jovd83/loxberry-integrator

Other

Other assorted skills that don't fit into a specific predefined category.

Uncategorized

Miscellaneous skills.

• travelguide-composer — Structure & completeness orchestrator for premium travel guides and roadbooks. Parses itineraries, builds a numbered Gap Catalogue, delegates prose to travelguide-copywriter, and compiles DOCX/HTML output.

  Topics: agentskill, claude-code, claude-skill, docx, itinerary, roadbook, travel, travelguide

  npx skills@latest add jovd83/travelguide-composer

• travelguide-copywriting-skill — Agent Skill: personalized, live-verified travel guides and roadbooks with age-gated routing and dietary-safety verification.

  Topics: agent-skill, agentskills, copywriting, travel

  npx skills@latest add jovd83/travelguide-copywriting-skill

• slide-deck-preparation — Convert raw content into high-fidelity, boardroom-ready slide deck outlines with strategic scorecards and automated grounding.

  Topics: agent-skill, agentskills, ai-alignment, knowledge-orchestration, presentation-strategy, slide-deck

  npx skills@latest add jovd83/slide-deck-preparation