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Json AI Agent Skills

Browse AI agent skills tagged "Json". Find and install skills, MCP servers, and plugins for your AI coding assistant.

221 listings

Excel CLI

MCP

9.049970by sbroenne

Vercel React Best Practices

Skill

React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing, reviewing, or refactoring React/Next.js code to ensure optimal performance patterns. Triggers on tasks involving React components, Next.js pages, data fetching, bundle optimization, or performance improvements.

7.021k25by vercel-labs

LLM Council

Skill

This is a fork of karpathy/llm-council. New in this fork since the previously published state: - Conversation history is complete again: storage loads older runs from backend/data/conversations.json and supports the legacy data/ layout (including data/conversations/ per-conversation JSON files when present), so older runs show up in the UI. - Sidebar no longer truncates early: the frontend now req

6.030119by elhamid

Open-WebSearch MCP Server

Skill

πŸ‡¨πŸ‡³ δΈ­ζ–‡ | πŸ‡ΊπŸ‡Έ English A Model Context Protocol (MCP) server based on multi-engine search results, supporting free web search without API keys. - Web search using multi-engine results - ~~linux.do~~ temporarily unsupported - duckduckgo - HTTP proxy configuration support for accessing restricted resources - No API keys or authentication required - Returns structured results with titles, URLs, and d

8.01.1k13by Aas-ee

Wp Block Themes

Skill

Use when developing WordPress block themes: theme.json (global settings/styles), templates and template parts, patterns, style variations, and Site Editor troubleshooting (style hierarchy, overrides, caching).

8.01.1k4by WordPress

MCP Wireshark

MCP

An MCP server that exposes Wireshark/tshark capabilities to AI tools and IDEs. Capture live traffic, analyze .pcap files, apply display filters, follow TCP/UDP streams, and export to JSON β€” all via Claude Desktop, VS Code Copilot, or any MCP-compatible client. - Python 3.10+ - Wireshark/tshark installed and on PATH Linux: add your user to the wireshark group for non-root capture: Or with uv: ~/Lib

8.24353by khuynh22

Exploring LLM Evaluations

Skill

A collection of PostHog skills for enhancing AI-assisted workflows. Add this repo as a Claude Code plugin marketplace to get access to all PostHog skills: Then install individual plugins: Or browse available plugins: Copy any skill directory to .claude/skills/ in your project: Any directory under skills/ that contains a .claude-plugin/plugin.json is automatically discovered and added to the market

8.34713by PostHog

Vercel Composition Patterns

Skill

A structured repository for React composition patterns that scale. These patterns help avoid boolean prop proliferation by using compound components, lifting state, and composing internals. - rules/ - Individual rule files (one per rule) - sections.md - Section metadata (titles, impacts, descriptions) - template.md - Template for creating new rules - area-description.md - Individual rule files - m

7.021k3by vercel-labs

atsurae

Skill

MCP Server for AI-powered video editing. Let Claude, GPT, or any AI agent edit videos through natural language. Add to your Claude Desktop config (claudedesktopconfig.json): Then restart Claude Desktop. You can now edit videos through conversation. Layer Compositing Model: Output: 1920x1080, 30fps, H.264 + AAC, MP4 atsurae.ai also exposes a REST API that any AI agent can call directly, without MCP

8.04003by 1000ri-jp

Skill Developer

Skill

Create and manage Claude Code skills following Anthropic best practices. Use when creating new skills, modifying skill-rules.json, understanding trigger patterns, working with hooks, debugging skill activation, or implementing progressive disclosure. Covers skill structure, YAML frontmatter, trigger types (keywords, intent patterns, file paths, content patterns), enforcement levels (block, suggest, warn), hook mechanisms (UserPromptSubmit, PreToolUse), session tracking, and the 500-line rule.

9.014k3by sickn33

Vitest Unit Testing

Rules

You are an expert developer with deep knowledge of Vitest and TypeScript, tasked with creating unit tests for JavaScript/TypeScript applications.

8.041k3by PatrickJS

postgres

Skill

Execute read-only SQL queries against multiple PostgreSQL databases. Use when: (1) querying PostgreSQL databases, (2) exploring database schemas/tables, (3) running SELECT queries for data analysis, (4) checking database contents. Supports multiple database connections with descriptions for intelligent auto-selection. Blocks all write operations (INSERT, UPDATE, DELETE, DROP, etc.) for safety.

8.04962by sanjay3290

N8n Expression Syntax

Skill

Validate n8n expression syntax and fix common errors. Use when writing n8n expressions, using {{}} syntax, accessing $json/$node variables, troubleshooting expression errors, or working with webhook data in workflows.

8.03.4k2by czlonkowski

Skills Store

Skill

A collection of PostHog skills for enhancing AI-assisted workflows. Add this repo as a Claude Code plugin marketplace to get access to all PostHog skills: Then install individual plugins: Or browse available plugins: Copy any skill directory to .claude/skills/ in your project: Any directory under skills/ that contains a .claude-plugin/plugin.json is automatically discovered and added to the market

8.34692by PostHog

N8n Code Javascript

Skill

Write JavaScript code in n8n Code nodes. Use when writing JavaScript in n8n, using $input/$json/$node syntax, making HTTP requests with $helpers, working with dates using DateTime, troubleshooting Code node errors, or choosing between Code node modes.

8.03.4k2by czlonkowski

Working With Skills

Skill

A collection of PostHog skills for enhancing AI-assisted workflows. Add this repo as a Claude Code plugin marketplace to get access to all PostHog skills: Then install individual plugins: Or browse available plugins: Copy any skill directory to .claude/skills/ in your project: Any directory under skills/ that contains a .claude-plugin/plugin.json is automatically discovered and added to the market

8.74892by PostHog

Wener/mssql MCP

Skill

A powerful Microsoft SQL Server MCP (Model Context Protocol) server that enables Claude Desktop to interact with SQL Server databases through natural language queries. - πŸ€– AI-Ready: Seamless integration with Claude Desktop and MCP protocol - πŸ” Smart Queries: Execute SQL queries in CSV or JSON format through natural language - πŸ” Secure Authentication: Support for SQL Server Auth, Windows Auth, a

8.04641by wenerme

Playwright E2e Testing

Rules

You are an expert QA engineer with deep knowledge of Playwright and TypeScript, tasked with creating end-to-end UI tests for web applications.

8.041k1by PatrickJS

HTMX Go Basic

Rules

// HTMX with Go (Basic Setup) .cursorrules

4.041k1by PatrickJS

Designing Email Templates

Skill

Author, save, and edit email templates in the PostHog workflows library β€” compose email design JSON with Liquid personalization and create and round-trip-edit templates over MCP. Use when asked to design, build, update, or fix an email template for workflows, broadcasts, or campaigns.

8.34691by PostHog

Claude Debugs For You

Skill

aka Vibe Debugging This is an MCP Server and VS Code extension which enables claude to interactively debug and evaluate expressions. That means it should also work with other models / clients etc. but I only demonstrate it with Claude Desktop and Continue here. It's language-agnostic, assuming debugger console support and valid launch.json for debugging in VSCode. 1. Download the extension from re

8.08861by jasonjmcghee

Claude Settings Audit

Skill

Analyze a repository to generate recommended Claude Code settings.json permissions. Use when setting up a new project, auditing existing settings, or determining which read-only bash commands to allow. Detects tech stack, build tools, and monorepo structure.

8.06951by getsentry

Signals Scout Inbox Validation

Skill

A collection of PostHog skills for enhancing AI-assisted workflows. Add this repo as a Claude Code plugin marketplace to get access to all PostHog skills: Then install individual plugins: Or browse available plugins: Copy any skill directory to .claude/skills/ in your project: Any directory under skills/ that contains a .claude-plugin/plugin.json is automatically discovered and added to the market

8.24641by PostHog

Obsidian MCP Server

MCP

Connect Claude, ChatGPT, and other AI assistants to your Obsidian vault. If you find this MCP server useful, please consider supporting its development! πŸ‘‰ Click here to support this project Your support helps maintain and improve this tool. Thank you! πŸ™ Claude Desktop: Add to ~/Library/Application Support/Claude/claudedesktopconfig.json (Mac) or %APPDATA%\Claude\claudedesktopconfig.json (Windows

7.03641by louis030195