The MCP tool directory.

Search the web using multiple engines (e.g., Baidu, Bing, DuckDuckGo, CSDN, Exa, Brave, Juejin(掘金)) with no API key required

Deep Research compatible search tool aggregating across sources.

Search for articles in Grokipedia with optional filtering and sorting.

Search arXiv for academic papers in computer science, machine learning, AI, physics, and mathematics. Returns paper titles, authors, abstracts, submission dates, and direct PDF download links. Use for researching algorithms, ML techniques, or emerging CS topics.

Search academic papers from arXiv. Args: query: Search query string (e.g., 'machine learning'). max_results: Maximum number of papers to return (default: 10). Returns: List of paper metadata in dictionary format.

Search for assets (images, files, resources) in WebSim projects. Perfect for 'Find assets about [topic]' or 'Search for [keyword] files' questions. Supports MIME type filtering.

Search academic papers from bioRxiv. Args: query: Search query string (e.g., 'machine learning'). max_results: Maximum number of papers to return (default: 10). Returns: List of paper metadata in dictionary format.

Search Naver Blog by keyword. Returns post title, link, blogger name, and post date.

Search Naver Book catalog by title, author, or ISBN.

Find all NGSS standards using a specific Crosscutting Concept (CCC). Examples: "Patterns", "Cause and Effect", "Systems and System Models", "Energy and Matter"

Find all NGSS standards using a specific Disciplinary Core Idea (DCI). Examples: "Definitions of Energy", "Interdependent Relationships in Ecosystems", "Weather and Climate"

Find all NGSS standards using a specific Science and Engineering Practice (SEP). Examples: "Developing and Using Models", "Analyzing and Interpreting Data", "Planning and Carrying Out Investigations"

Search public Naver Cafe (community forum) posts.

通过查询字符串搜索卡牌，支持分页和排序。 **查询语法示例:** - `t:creature c:r` (红色生物) - `pow>=5 or mv<2` (力量大于等于5或法术力值小于2) - `o:"draw a card" -c:u` (包含"抓一张牌"的非蓝色牌) - `(t:instant or t:sorcery) mv<=3` (3费或以下的瞬间或法术) **分页参数:** - `page`: 页码 (整数, 默认 1) - `page_size`: 每页数量 (整数, 默认 20, 最大 100) **排序参数:** - `order`: 按字段排序，逗号分隔。前缀 `-` 表示降序 (例如: `name`, `-mv`, `name,-rarity`) 默认排序: `name` **其他参数:** - `unique`: 去重方式 (id, oracle_id, illustration_id) - `priority_chinese`: 是否优先显示中文卡牌

Fast and precise code search across ALL GitHub repositories using GitHub's native search engine. Best for finding exact symbols, functions, classes, or specific code patterns.

Search academic papers from CrossRef database. CrossRef is a scholarly infrastructure organization that provides persistent identifiers (DOIs) for scholarly content and metadata. It's one of the largest citation databases covering millions of academic papers, journals, books, and other scholarly content. Args: query: Search query string (e.g., 'machine learning', 'climate change'). max_results: Maximum number of papers to return (default: 10, max: 1000). **kwargs: Additional search parameters: - filter: CrossRef filter string (e.g., 'has-full-text:true,from-pub-date:2020') - sort: Sort field ('relevance', 'published', 'updated', 'deposited', etc.) - order: Sort order ('asc' or 'desc') Returns: List of paper metadata in dictionary format. Examples: # Basic search search_crossref("deep learning", 20) # Search with filters search_crossref("climate change", 10, filter="from-pub-date:2020,has-full-text:true") # Search sorted by publication date search_crossref("neural networks", 15, sort="published", order="desc")

Search the Supabase documentation using GraphQL. Must be a valid GraphQL query. You should default to calling this even if you think you already know the answer, since the documentation is always being updated. Below is the GraphQL schema for this tool: schema{query:RootQueryType}type Guide implements SearchResult{title:String href:String content:String subsections:SubsectionCollection}interface SearchResult{title:String href:String content:String}type SubsectionCollection{edges:[SubsectionEdge!]! nodes:[Subsection!]! totalCount:Int!}type SubsectionEdge{node:Subsection!}type Subsection{title:String href:String content:String}type CLICommandReference implements SearchResult{title:String href:String content:String}type ManagementApiReference implements SearchResult{title:String href:String content:String}type ClientLibraryFunctionReference implements SearchResult{title:String href:String content:String language:Language! methodName:String}enum Language{JAVASCRIPT SWIFT DART CSHARP KOTLIN PYTHON}type TroubleshootingGuide implements SearchResult{title:String href:String content:String}type RootQueryType{schema:String! searchDocs(query:String!,limit:Int):SearchResultCollection error(code:String!,service:Service!):Error errors(first:Int after:String last:Int before:String service:Service code:String):ErrorCollection}type SearchResultCollection{edges:[SearchResultEdge!]! nodes:[SearchResult!]! totalCount:Int!}type SearchResultEdge{node:SearchResult!}type Error{code:String! service:Service! httpStatusCode:Int message:String}enum Service{AUTH REALTIME STORAGE}type ErrorCollection{edges:[ErrorEdge!]! nodes:[Error!]! pageInfo:PageInfo! totalCount:Int!}type ErrorEdge{node:Error! cursor:String!}type PageInfo{hasNextPage:Boolean! hasPreviousPage:Boolean! startCursor:String endCursor:String}

Advanced Gmail search using Gmail search operators. Supports complex queries like "from:[email protected] has:attachment after:2023/01/01"

Search Naver's encyclopedia entries (지식백과).

Search Polymarket events. Events group related markets together (e.g., 'Presidential Election 2024' contains multiple markets). Great for discovering market clusters.

Search GitHub repositories by keyword to discover code, projects, and libraries. Returns matching repositories with star count, description, language, and URL. Use for finding libraries, examples, or competitive projects in specific domains.

Search Google Scholar for computer science research papers, citations, and academic publications. Returns paper title, authors, publication details, citation count, and link to paper. Use for finding research on CS topics, reviewing state-of-the-art, or citation tracking.

Search academic papers from Google Scholar. Args: query: Search query string (e.g., 'machine learning'). max_results: Maximum number of papers to return (default: 10). Returns: List of paper metadata in dictionary format.

Search academic papers from IACR ePrint Archive. Args: query: Search query string (e.g., 'cryptography', 'secret sharing'). max_results: Maximum number of papers to return (default: 10). fetch_details: Whether to fetch detailed information for each paper (default: True). Returns: List of paper metadata in dictionary format.

Image search across Naver's image index. Returns thumbnail and full-size image URLs.

Search Naver's Knowledge iN community Q&A archive.

Search Naver Local for restaurants, shops, and points of interest. Returns business name, address, phone, category, and map coordinates.

Search Polymarket prediction markets with filters. Find active markets, filter by tags, volume, liquidity, and more. Perfect for market discovery and analysis.

Search academic papers from medRxiv. Args: query: Search query string (e.g., 'machine learning'). max_results: Maximum number of papers to return (default: 10). Returns: List of paper metadata in dictionary format.

Search Naver News by keyword. Returns article title, link, original publisher link, and publication date.