The DuckDuckGo Search MCP Server provides web search and content scraping services for LLMs such as Claude.

Nexus is an AI tool aggregation gateway that supports connecting multiple MCP servers and LLM providers, providing tool search, execution, and model routing functions through a unified endpoint, and supporting security authentication and rate limiting.

An MCP server for accessing Singapore's government datasets on data.gov.sg, providing dataset browsing, search, and download functions, with built - in API rate limiting.

Shield MCP is a security middleware designed for Model Context Protocol (MCP) servers, providing functions such as tool access control, result sanitization, structured logging, and rate limiting. It can enhance security and monitoring capabilities without modifying the official SDK.

An MCP server that provides tools for interacting with Trello boards, supporting card and list management and activity tracking, with built-in rate limiting and type safety.

Enhanced X platform MCP server, supporting OAuth 2.0 authentication, media upload, and API rate limiting, providing functions such as tweeting, searching, and deleting tweets.

A secure MCP server that provides bridging services for OpenAI and Google Gemini APIs, with multi - layer security verification, content filtering, and rate limiting functions.

The CCXT MCP Server is a high - performance cryptocurrency exchange integration service based on the Model Context Protocol (MCP) and the CCXT library. It supports connecting to more than 20 exchanges, provides unified API access to various market types such as spot and futures, and has features such as proxy configuration, cache optimization, and rate limiting.

A Model Context Protocol (MCP) server based on the Twitter API, providing functions such as tweeting, searching, and retrieving timelines, including rate limiting and full test support.

An MCP server based on DuckDuckGo, providing web search and content crawling functions, with features such as rate limiting and LLM-friendly output.

MCP Server Trello is a model context protocol server that provides Trello board interaction tools, supporting full - function board integration, built - in rate limiting, and type - safe implementation.

An MCP server based on the JSON-RPC 2.0 protocol, providing access to the Brave Search API through background threads, supporting rate limiting and tool call functions.

Firecrawl MCP Server is a model context protocol server integrating Firecrawl's web scraping capabilities, supporting web content crawling, searching, extraction, and batch processing, with functions such as automatic retry, rate limiting, and credit monitoring.

The ORKL MCP Server is a Model Control Protocol server for accessing the ORKL Threat Intelligence Library. It provides standardized MCP tools and resources, supports efficient caching and rate limiting, and has built-in integration with Claude Desktop.

A Linear MCP server developed in Go, providing tools for interacting with the Linear API through the MCP protocol, supporting functions such as issue creation, update, and search, and including API request rate limiting.

The Ambivo Claude MCP Server is a natural language query service based on Claude AI, providing natural language query functions for entity data in the Ambivo API, supporting functions such as JWT authentication, rate limiting, and error handling.

Shield MCP is a middleware used to enhance the security of Model Context Protocol (MCP) servers. It provides functions such as tool access control, result sanitization, structured logging, and rate limiting, and can enhance security and monitoring capabilities without modifying the official SDK.

An MCP server based on Node.js that provides DuckDuckGo search and web content scraping functions, supporting modular expansion and basic rate limiting.

The Supadata MCP server is an implementation of the model context protocol server that integrates Supadata's video and web page crawling capabilities. It provides functions such as video transcription extraction, web page crawling, scraping, and discovery, and supports automatic retry and rate limiting.

FireCrawl MCP Server is a Model Context Protocol service integrating the advanced web crawling capabilities of FireCrawl, supporting JavaScript rendering, multi - view configuration, intelligent rate - limiting processing, and output in multiple content formats.

MCP Server Trello is a server that provides tools for interacting with Trello boards, supporting full API integration, built-in rate limiting, and type-safe implementation, simplifying the interaction process with Trello.

A local MCP server project based on Node.js and Express, supporting HTTPS encryption and GitHub OAuth authentication, with security features such as rate limiting and secure session management.

A complete Groq MCP Server project that serves as an intelligent bridge to connect applications with the Groq API, supports multiple AI models (text, audio, vision, batch processing), and has advanced functions such as intelligent routing, rate limiting, and cache optimization.

The AI agent security guardrails MCP server provides security functions such as input validation, prompt injection detection, PII desensitization, output filtering, policy execution, rate limiting, and audit logging.