Updated 3d ago
by levnikolaevich
claude-code-skills
Standalone skills for Claude Code and Codex: product discovery, architecture, implementation, technical foundations, reviews and delivery, with explicit scope and verification.
577 GitHub stars (577)
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- 30 skills (30 skills found in its SKILL.md files)
- 87 forks (87 forks)
- 3d ago last update (Last updated 3d ago)
Install
Skills CLI
npx skills add levnikolaevich/claude-code-skills
Asks which skills and agents to install. Just one: npx skills add levnikolaevich/claude-code-skills --skill ln-21-system-design-baseline-builder — add -g for every project.
Claude Code
git clone https://github.com/levnikolaevich/claude-code-skillscp -r "claude-code-skills/plugins/architecture-suite/skills/ln-21-system-design-baseline-builder" ~/.claude/skills/
Copies the ln-21-system-design-baseline-builder skill into ~/.claude/skills/ for every project (use .claude/skills/ for one project). Repeat for the other skills listed below.
Plugin
/plugin marketplace add levnikolaevich/claude-code-skills
Run inside Claude Code if the repository ships a plugin marketplace, then pick plugins from /plugin.
Skills can run code on your machine — read the SKILL.md first.
What it does
In the author's own words, from each skill's SKILL.md — showing the first 30 of 31 files.
-
ln-21-system-design-baseline-builder
Defines measurable architecture drivers and constraints before system design; edits architecture docs only.
plugins/architecture-suite/skills/ln-21-system-design-baseline-builder/SKILL.md on GitHub (opens in a new tab) -
ln-22-current-architecture-documenter
Documents current architecture from implementation evidence; does not propose a target or audit fitness.
plugins/architecture-suite/skills/ln-22-current-architecture-documenter/SKILL.md on GitHub (opens in a new tab) -
ln-23-system-design-proposal-builder
Designs target system boundaries, contracts and tradeoffs from requirements; does not plan tasks or implement.
plugins/architecture-suite/skills/ln-23-system-design-proposal-builder/SKILL.md on GitHub (opens in a new tab) -
ln-24-architecture-decision-recorder
Records one architecture decision with alternatives, consequences and status; does not design the whole system.
plugins/architecture-suite/skills/ln-24-architecture-decision-recorder/SKILL.md on GitHub (opens in a new tab) -
ln-25-architecture-diagram-builder
Creates evidence-backed current or target architecture diagrams; not UI design.
plugins/architecture-suite/skills/ln-25-architecture-diagram-builder/SKILL.md on GitHub (opens in a new tab) -
ln-26-architecture-migration-planner
Plans architecture migrations with compatibility, data safety, rollout and recovery; does not execute them.
plugins/architecture-suite/skills/ln-26-architecture-migration-planner/SKILL.md on GitHub (opens in a new tab) -
ln-31-delivery-plan-builder
Builds dependency-ordered delivery plans from requirements and repository evidence; read-only.
plugins/delivery-planning-suite/skills/ln-31-delivery-plan-builder/SKILL.md on GitHub (opens in a new tab) -
ln-32-test-strategy-planner
Plans risk-based test portfolios and acceptance evidence; does not write or execute tests.
plugins/delivery-planning-suite/skills/ln-32-test-strategy-planner/SKILL.md on GitHub (opens in a new tab) -
ln-33-plan-reviewer
Reviews a concrete implementation plan for missing decisions, feasibility and risk before execution; read-only.
plugins/delivery-planning-suite/skills/ln-33-plan-reviewer/SKILL.md on GitHub (opens in a new tab) -
ln-61-repository-publisher
Commits, pushes and remotely verifies authorized repository changes; does not create releases.
plugins/delivery-suite/skills/ln-61-repository-publisher/SKILL.md on GitHub (opens in a new tab) -
ln-62-release-publisher
Prepares and publishes an explicitly requested tagged GitHub release; does not deploy applications.
plugins/delivery-suite/skills/ln-62-release-publisher/SKILL.md on GitHub (opens in a new tab) -
ln-63-deployment-engineer
Prepares CI/CD and infrastructure, then executes authorized deployments with health and recovery checks.
plugins/delivery-suite/skills/ln-63-deployment-engineer/SKILL.md on GitHub (opens in a new tab) -
ln-64-community-announcer
Drafts or publishes authorized, fact-checked GitHub Discussions announcements; does not create releases.
plugins/delivery-suite/skills/ln-64-community-announcer/SKILL.md on GitHub (opens in a new tab) -
ln-41-surgical-change-implementer
Implements one scoped feature or fix through the smallest complete solution; not upgrades or performance tuning.
plugins/implementation-suite/skills/ln-41-surgical-change-implementer/SKILL.md on GitHub (opens in a new tab) -
ln-42-dependency-upgrader
Upgrades dependencies in reversible batches with version-specific compatibility and regression checks.
plugins/implementation-suite/skills/ln-42-dependency-upgrader/SKILL.md on GitHub (opens in a new tab) -
ln-43-code-modernizer
Modernizes a bounded capability to reduce demonstrated maintenance cost; not routine upgrades or performance tuning.
plugins/implementation-suite/skills/ln-43-code-modernizer/SKILL.md on GitHub (opens in a new tab) -
ln-44-performance-optimizer
Profiles and improves a measured performance bottleneck; retains only verified improvements.
plugins/implementation-suite/skills/ln-44-performance-optimizer/SKILL.md on GitHub (opens in a new tab) -
ln-45-benchmark-comparator
Compares tools or implementations through controlled benchmarks and independent correctness checks.
plugins/implementation-suite/skills/ln-45-benchmark-comparator/SKILL.md on GitHub (opens in a new tab) -
ln-71-operations-investigator
Diagnoses incidents from operational evidence and proposes recovery; does not change live systems.
plugins/operations-suite/skills/ln-71-operations-investigator/SKILL.md on GitHub (opens in a new tab) -
ln-72-product-outcome-evaluator
Evaluates observed product outcomes against a prior hypothesis; does not run experiments or change user treatment.
plugins/operations-suite/skills/ln-72-product-outcome-evaluator/SKILL.md on GitHub (opens in a new tab) -
ln-11-opportunity-evaluator
Evaluates new product opportunities through demand, channels and economics before committing to build.
plugins/product-discovery-suite/skills/ln-11-opportunity-evaluator/SKILL.md on GitHub (opens in a new tab) -
ln-12-product-requirements-builder
Defines product requirements, business rules and acceptance criteria for a committed intent; edits product docs only.
plugins/product-discovery-suite/skills/ln-12-product-requirements-builder/SKILL.md on GitHub (opens in a new tab) -
ln-13-interaction-design-builder
Designs user flows, interaction states and mockups for a defined product scope; does not implement UI code.
plugins/product-discovery-suite/skills/ln-13-interaction-design-builder/SKILL.md on GitHub (opens in a new tab) -
ln-51-acceptance-test-builder
Builds, updates or retires scoped acceptance tests and verifies execution; does not repair product code.
plugins/quality-assurance-suite/skills/ln-51-acceptance-test-builder/SKILL.md on GitHub (opens in a new tab) -
ln-52-delivery-reviewer
Reviews a completed change for acceptance, regressions and release risk; read-only, not a whole-codebase audit.
plugins/quality-assurance-suite/skills/ln-52-delivery-reviewer/SKILL.md on GitHub (opens in a new tab) -
ln-53-documentation-auditor
Audits documentation and comments for trust, coverage, consistency and freshness; read-only.
plugins/quality-assurance-suite/skills/ln-53-documentation-auditor/SKILL.md on GitHub (opens in a new tab) -
ln-54-codebase-auditor
Audits cross-cutting codebase health, security and maintainability; not a single-change review or specialist audit.
plugins/quality-assurance-suite/skills/ln-54-codebase-auditor/SKILL.md on GitHub (opens in a new tab) -
ln-55-test-suite-auditor
Audits existing tests for risk coverage, reliable oracles and maintenance value; does not edit tests.
plugins/quality-assurance-suite/skills/ln-55-test-suite-auditor/SKILL.md on GitHub (opens in a new tab) -
ln-56-architecture-auditor
Audits implemented architecture boundaries, dependencies and ownership; not target design or plan review.
plugins/quality-assurance-suite/skills/ln-56-architecture-auditor/SKILL.md on GitHub (opens in a new tab) -
ln-57-persistence-auditor
Audits queries, transactions, consistency and persistence resource lifetimes; read-only.
plugins/quality-assurance-suite/skills/ln-57-persistence-auditor/SKILL.md on GitHub (opens in a new tab)
No skill matches that filter.
Review before you install
A skill is a set of instructions and scripts your agent will follow, and it can run code on your machine. Read the SKILL.md and any scripts first — this listing is not a security review.
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