Json AI Agent Skills
Browse AI agent skills tagged "Json". Find and install skills, MCP servers, and plugins for your AI coding assistant.
152 listings
Vercel React Best Practices
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.
LLM Council
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
Vitest Unit Testing
RulesYou are an expert developer with deep knowledge of Vitest and TypeScript, tasked with creating unit tests for JavaScript/TypeScript applications.
Wener/mssql MCP
A powerful Microsoft SQL Server MCP (Model Context Protocol) server that enables Claude Desktop to interact with SQL Server databases through natural language queries. - 🤖 AI-Ready: Seamless integration with Claude Desktop and MCP protocol - 🔍 Smart Queries: Execute SQL queries in CSV or JSON format through natural language - 🔐 Secure Authentication: Support for SQL Server Auth, Windows Auth, a
N8n Code Javascript
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.
Skill Developer
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.
Mattermost MCP Server
MCP ServerMCP Server for the Mattermost API, enabling Claude and other MCP clients to interact with Mattermost workspaces. The server supports multiple configuration methods with the following priority (highest to lowest): 1. CLI arguments (--url, --token, --team-id) 2. Environment variables (MATTERMOSTURL, MATTERMOSTTOKEN, MATTERMOSTTEAMID) 3. config.local.json (for local overrides, gitignored) 4. config.j
Vercel React Native Skills
A structured repository for creating and maintaining React Native Best Practices optimized for agents and LLMs. - 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 - metadata.json - Document metadata (version, organization, abstract) - AGENTS.md
Obsidian Clipper Template Creator
Guide for creating templates for the Obsidian Web Clipper. Use when you want to create a new clipping template, understand available variables, or format clipped content.
SharpLensMcp
MCP ServerA Model Context Protocol (MCP) server providing 58 AI-optimized tools for .NET/C semantic code analysis, navigation, refactoring, and code generation using Microsoft Roslyn. Built for AI coding agents - provides compiler-accurate code understanding that AI cannot infer from reading source files alone. Then run with: 1. Install the tool globally: 2. Create .mcp.json in your project root: 3. Restart
N8n Expression Syntax
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.
Playwright E2e Testing
RulesYou are an expert QA engineer with deep knowledge of Playwright and TypeScript, tasked with creating end-to-end UI tests for web applications.
Node.js MongoDB JWT Express React
RulesBackend: Node.js with Express.js
Rideshare Comparison MCP
MCP Servermcp-name: io.github.wmarceau/rideshare-comparison Compare Uber and Lyft prices for any route using Claude Desktop. Add to your claudedesktopconfig.json: Compare Uber and Lyft prices for a specific route. Example prompt: "Compare Uber and Lyft prices from SFO airport to downtown San Francisco" Get a list of cities with rideshare pricing data. Example prompt: "Which cities are supported for rideshar
NBA MCP Server
MCP ServerAccess comprehensive NBA statistics via Model Context Protocol A Model Context Protocol (MCP) server that provides access to live and historical NBA data including player stats, game scores, team information, and advanced analytics. 1. Install the server: 2. Add to your Claude Desktop config file: MacOS: ~/Library/Application Support/Claude/claudedesktopconfig.json Windows: %APPDATA%/Claude/claude
YouTube Summarize
MCP server that fetches YouTube video transcripts and optionally summarizes them. - Fetch transcripts in multiple formats (text, JSON, SRT, WebVTT, pretty-print) - Summarize videos — returns transcript with instructions for the LLM to produce a summary - List available languages for any video's transcripts - Flexible URL parsing — accepts full YouTube URLs (youtube.com/watch?v=, youtu.be/, youtube
ADLS2 MCP Server 🚀
MCP ServerA Model Context Protocol (MCP) server implementation for Azure Data Lake Storage Gen2. This service provides a standardized interface for interacting with ADLS2 storage, enabling file operations through MCP tools. Requires Python 3.13 or higher. Install the package using uv: 1 - Edit Claude Desktop Configuration: Open claudedesktopconfig.json and add the following configuration. On MacOs, the file
MCP Wrapper for Echo Framework
MCP ServerWrap any existing Echo API into MCP tools, enabling AI agents to interact with your API through Model Context Protocol. Inspired by gin-mcp but for the Echo framework. - Zero Configuration: Works with any existing Echo API - Multiple Schema Sources: Support for Swaggo, raw OpenAPI YAML/JSON, and manual schemas - Filtering: Include/exclude endpoints with wildcard patterns - MCP Compatible: Works wi
Security Ownership Map
Analyze git repositories to build a security ownership topology (people-to-file), compute bus factor and sensitive-code ownership, and export CSV/JSON for graph databases and visualization. Trigger only when the user explicitly wants a security-oriented ownership or bus-factor analysis grounded in git history (for example: orphaned sensitive code, security maintainers, CODEOWNERS reality checks for risk, sensitive hotspots, or ownership clusters).
Cypress Defect Tracking
RulesYou are an expert QA engineer with deep knowledge of Cypress, TypeScript, and test reporting practices, tasked with tracking and documenting defects in web application tests.
DevPlan MCP Server
MCP ServerTransform ideas into executable development plans — an MCP server that brings the ClaudeCode-DevPlanBuilder methodology to Claude Code. Or add to ~/.claude.json under the mcpServers key: If you already have DevPlan installed, remove from both scopes and re-add: That's it. DevPlan will guide Claude through the entire process. DevPlan uses a scaffold → enhance → validate workflow that ensures every
MCP Ragchat
MCP Servermcp-ragchat An MCP server that adds RAG-powered AI chat to any website. One command from Claude Code. Tell Claude Code "add AI chat to mysite.com" and it will crawl your content, build a local vector store, spin up a chat server, and hand you an embed snippet. No cloud infra. No database. Just one API key. 1. Clone and build 2. Configure Claude Code (~/.claude/mcp.json) Open Claude Code and say: C
HTMX Go Fiber
Rules// HTMX with Go and Fiber .cursorrules
Airtable MCP Server
MCP ServerA Model Context Protocol (MCP) server for Airtable with full CRUD operations, schema management, record comments, webhooks, batch operations, governance controls, and AI-powered analytics. Version 4.0.0 | MCP Protocol 2024-11-05 | No installation required — just add this to your Claude Desktop config and restart: macOS: ~/Library/Application Support/Claude/claudedesktopconfig.json Windows: %APPDAT