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Claude Code Marketplaces

Discover Claude Code plugins, extensions, and tools. Automatically updated directory of Anthropic Claude AI marketplaces with development tools, productivity plugins, and integrations.

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Built for the Claude Code community with Claude Code by mertbuilds.com

Independent project, not affiliated with Anthropic
sharpdeveye avatar

Fortify

sharpdeveye/maestro
273 installs411 stars
Summary

Production workflows fail. APIs time out, rate limits hit, networks drop. This skill adds the five resilience layers you should have built in from the start: input validation, exponential backoff retries, fallback strategies, circuit breakers, and proper timeouts. It's opinionated about what's retryable (500s, timeouts) versus what's not (auth failures, bad requests). The audit checklist is genuinely useful for code review. Run this when you're tired of getting paged at 3am because your workflow has no error handling, or when you need to harden something before it goes to production. Pairs well with the evaluate skill to actually test your failure scenarios.

Install to Claude Code

npx -y skills add sharpdeveye/maestro --skill fortify --agent claude-code

Installs into .claude/skills of the current project.

CodeRabbit
CodeRabbit
AI writes the code. CodeRabbit catches the slop.
Try For Free →
Lid closed, agents working
Lid closed, agents working
Keeps your Mac awake while Claude Code, Codex or Cursor works. Lets it sleep when they are done.
Try free for 7 days →
Block distraction from your iPhone for freeBlock distraction from your iPhone for free
Block distraction from your iPhone for free
Block distracting apps from your iPhone permanently without a 3rd party app. Free and open source.
Block now (100% free) →
Granola, the best AI meeting recorder
Granola, the best AI meeting recorder
Notes, actions and memory. Without a meeting bot. First month 100% off.
Download for free →
belt - the only tool your agent needs
belt - the only tool your agent needs
belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...
one prompt install →
Open Steps
Open Steps
Free an open-source skills that make AI coding agents easier to understand, verify, and control.
Download for free →
AppSignal
AppSignal
Monitor with ease. Code with confidence.
Start Free Trial →
Agent, connect blockchain
Agent, connect blockchain
Connect your Claude agent to live crypto prices and trading routes via 1inch
Get the MCP →
CodeRabbit
CodeRabbit
AI writes the code. CodeRabbit catches the slop.
Try For Free →
Lid closed, agents working
Lid closed, agents working
Keeps your Mac awake while Claude Code, Codex or Cursor works. Lets it sleep when they are done.
Try free for 7 days →
Block distraction from your iPhone for freeBlock distraction from your iPhone for free
Block distraction from your iPhone for free
Block distracting apps from your iPhone permanently without a 3rd party app. Free and open source.
Block now (100% free) →
Granola, the best AI meeting recorder
Granola, the best AI meeting recorder
Notes, actions and memory. Without a meeting bot. First month 100% off.
Download for free →
belt - the only tool your agent needs
belt - the only tool your agent needs
belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...
one prompt install →
Open Steps
Open Steps
Free an open-source skills that make AI coding agents easier to understand, verify, and control.
Download for free →
AppSignal
AppSignal
Monitor with ease. Code with confidence.
Start Free Trial →
Agent, connect blockchain
Agent, connect blockchain
Connect your Claude agent to live crypto prices and trading routes via 1inch
Get the MCP →
Files
SKILL.md

Select a file.

Featured
CodeRabbit
CodeRabbit
AI writes the code. CodeRabbit catches the slop.
Try For Free →
Lid closed, agents working
Lid closed, agents working
Keeps your Mac awake while Claude Code, Codex or Cursor works. Lets it sleep when they are done.
Try free for 7 days →
Block distraction from your iPhone for freeBlock distraction from your iPhone for free
Block distraction from your iPhone for free
Block distracting apps from your iPhone permanently without a 3rd party app. Free and open source.
Block now (100% free) →
Granola, the best AI meeting recorder
Granola, the best AI meeting recorder
Notes, actions and memory. Without a meeting bot. First month 100% off.
Download for free →
belt - the only tool your agent needs
belt - the only tool your agent needs
belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...
one prompt install →
Open Steps
Open Steps
Free an open-source skills that make AI coding agents easier to understand, verify, and control.
Download for free →
AppSignal
AppSignal
Monitor with ease. Code with confidence.
Start Free Trial →
Agent, connect blockchain
Agent, connect blockchain
Connect your Claude agent to live crypto prices and trading routes via 1inch
Get the MCP →
Categories
DebuggingAutomation & Workflows
First SeenJun 3, 2026
View on GitHub

More from sharpdeveye/maestro

All 22 skills →
  • Iterate273
  • Chain271
  • Specialize271
  • Turbocharge270
  • Adapt Workflow269
  • Temper268
  • Onboard Agent263
  • Enrich261
  • Zero Defect255
  • Agent Workflow305
  • Evaluate294
  • Diagnose292
  • Refine287
  • Guard284
  • Teach Maestro282
  • Compose279
  • Calibrate278
  • Amplify277
  • Accelerate276
  • Streamline274
  • Extract Pattern273

Recommended

More Debugging →
josiahsiegel avatar
tailwindcss-accessibility

josiahsiegel/claude-plugin-marketplace

Tailwind CSS accessibility patterns including WCAG 2.2 compliance, touch targets, focus management, and ARIA. PROACTIVELY activate for: (1) building accessible UI with Tailwind, (2) WCAG 2.2 compliance (Level A, AA, AAA), (3) focus rings and focus-visible styling, (4) minimum touch-target sizes (24x24/44x44), (5) color contrast and text legibility, (6) screen-reader-only utilities (sr-only, not-sr-only), (7) prefers-reduced-motion handling, (8) ARIA attribute styling (data-state, aria-* selectors), (9) keyboard navigation patterns, (10) accessible forms (label association, error announcements). Provides: WCAG 2.2 checklist, focus-management utilities, touch-target sizing recipes, sr-only patterns, and accessible component templates.
272
51
syncfusion avatar
syncfusion-blazor-license

syncfusion/blazor-ui-components-skills

Generate, register, secure, validate, and troubleshoot Syncfusion Blazor license keys across all Blazor project types
272
4
tclawde avatar
xiaohongshu-mcp

tclawde/xiaohongshu-mcp-skill

Xiaohongshu MCP Skill - Full automation solution with login fix. Features: (1) Login management, (2) Search, publish, interact, (3) Complete MCP protocol support (13 tools), (4) Comment strategy. Built-in Feishu notification, iflow integration. Triggers: xiaohongshu, rednote, 小红书 automation.
272
10
cinience avatar
alicloud-backup-hbr

cinience/alicloud-skills

Manage Alibaba Cloud Cloud Backup (HBR) via OpenAPI/SDK. Use whenever the user asks for backup lifecycle operations such as resource listing, policy/config updates, job status queries, and troubleshooting HBR backup or restore workflows.
271
396
syncfusion avatar
syncfusion-blazor-smart-paste

syncfusion/blazor-ui-components-skills

Set up and use the Syncfusion Blazor Smart Paste Button — AI-powered clipboard-to-form filling with OpenAI, Azure OpenAI, Ollama, or custom AI backends. Covers NuGet setup, service configuration, field annotations, button customization, and troubleshooting.
271
4
getsentry avatar
sentry-setup-tracing

getsentry/sentry-agent-skills

Setup Sentry Tracing (Performance Monitoring) in any project. Use when asked to enable tracing, track transactions/spans, measure latency, or add performance monitoring. Supports JavaScript, Python, and Ruby.
270
20