jagreehal-marketplace

jagreehal-claude-skills

Opinionated TypeScript patterns for AI-assisted development. Skills, commands, and hooks for Claude Code that enforce production-grade architecture.

Installation

From Marketplace

# Add the marketplace
/plugin marketplace add jagreehal/jagreehal-claude-skills

# List available plugins
/plugin list jagreehal-marketplace

# Install only what you need
/plugin install <plugin-name>@jagreehal-marketplace

Available Plugins

This marketplace contains 10 plugins. Install only what you need.

Plugin	Skills	Description
typescript-patterns	9	Core TS architecture: fn(args, deps), Result types, Zod, observability
testing-tdd	4	TDD workflow: red-green-refactor, test pyramid, performance testing
communication-behavior	6	Claude style: critical peer, concise output, research-first
workflow-productivity	10	Session management, verification, git worktrees, parallel agents
frontend-react	4	React patterns, Storybook, UI design, browser automation
documentation-architecture	5	Documentation standards, ADRs, data visualization
debugging-analysis	2	Evidence-based debugging, code flow analysis
skill-authoring	1	Guide for creating custom skills
code-review	-	Auto code review on file modifications (hooks)
track-and-improve	-	5 whys root cause analysis for mistakes

Quick Start Examples

# TypeScript developer wanting core patterns + TDD
/plugin install typescript-patterns@jagreehal-marketplace
/plugin install testing-tdd@jagreehal-marketplace

# Frontend developer
/plugin install frontend-react@jagreehal-marketplace
/plugin install typescript-patterns@jagreehal-marketplace

# Want Claude to be more concise and research-driven
/plugin install communication-behavior@jagreehal-marketplace

# Full productivity workflow
/plugin install workflow-productivity@jagreehal-marketplace

Manual Configuration

Add to your .claude/settings.local.json:

{
  "extraKnownMarketplaces": {
    "jagreehal-marketplace": {
      "source": {
        "source": "github",
        "repo": "jagreehal/jagreehal-claude-skills"
      }
    }
  },
  "enabledPlugins": {
    "typescript-patterns@jagreehal-marketplace": true,
    "testing-tdd@jagreehal-marketplace": true
  }
}

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Plugin Details

typescript-patterns (9 skills)

Core TypeScript architecture patterns for production-grade code.

Skill	Description
fn-args-deps	Core pattern: fn(args, deps) for testable functions
validation-boundary	Zod schemas at boundaries, trust inside
result-types	Never throw - use Result<T, E> with workflows
strict-typescript	Beyond strict: true - advanced types, ESLint enforcement
config-management	Validate config at startup, secrets in memory only
api-design	Production-ready HTTP APIs with clean handlers, error envelopes
pattern-enforcement	ESLint rules that fail the build
resilience	Retry/timeout at workflow level, not in functions
observability	trace() wrapper, Pino logging, OpenTelemetry

testing-tdd (4 skills)

TDD workflow and comprehensive testing strategies.

Skill	Description
tdd-workflow	Red-green-refactor with Result type testing
testing-strategy	Test pyramid with vitest-mock-extended
writing-tests	Test naming, assertions, edge case checklists (BugMagnet-based)
performance-testing	Load testing, chaos engineering, trace correlation

communication-behavior (6 skills)

How Claude communicates and behaves during sessions.

Skill	Description
critical-peer	Professional skepticism, concise output, research first
concise-output	Maximum information density, eliminate filler phrases
confidence-levels	Express confidence as %, explain gaps, show evidence
research-first	Validate solutions before presenting, never ask lazy questions
literal-answers	Treat questions as literal questions, answer honestly
answer-questions-directly	Answer questions literally, don't interpret as instructions

workflow-productivity (10 skills)

Session management, task tracking, and development workflow.