"Search functionality without API key requirement" matching MCP servers:

Enables searching Reddit posts, fetching subreddit content, and retrieving post comments without requiring an API key. It uses public JSON endpoints to provide seamless access to Reddit data for LLM-based applications.

Read-only X/Twitter research MCP server using xAI's Responses API. Supports OAuth login for X Premium users and falls back to API key authentication.

Enables posting, engaging, sending DMs, and reading your own account through the X API v2 with your developer App credentials, while public search remains on Grok's built-in tools.

Enables real-time search of X (Twitter) posts, user timelines, and trends using either xAI's Responses API or the official X API v2.

Enables Grok native web search, X (Twitter) search, and Jina Reader web page fetching as read-only MCP tools.

Enables MCP agents to perform native X (Twitter) searches with original-post citations and transparent usage tracking. Supports existing Grok login sessions or explicit xAI API billing without runtime dependencies.

Provides read-only access to X (Twitter) search via xAI's Responses API, returning Grok-generated answers with citations from posts, profiles, and threads.

MCP server providing X/Twitter and Reddit search tools for AI agents, returning raw social media data with cleaning and re-ranking, including full Reddit comment tree reading for cost-effective synthesis.

Enables searching X (Twitter) posts, discussions, trends, and web content via Grok API using natural language.

Enables searching X (formerly Twitter) using xAI's Responses API with support for filtering by handles, date ranges, and media understanding, returning structured results with citations.

A Model Context Protocol (MCP) server that empowers LLMs to search across specific social media platforms using the industry's best search engines.

Enables WhatsApp messaging and management through the Evolution API, supporting sending texts, checking numbers, listing contacts and groups, and more.

Provides access to Douyin (TikTok China) API for searching videos, retrieving user profiles, posts, comments, music, challenges, live streams, and hot trends through the Douyin platform.

Provides LinkedIn automation via a real browser session using your own cookie, enabling profile, company, job, and post search and reading, plus sending messages and connection requests with rate limiting.

Enables AI agents to interact with Threads via MCP, including sub-80ms keyword search, full nested discussion tree extraction, replying to any external thread, publishing posts, fetching user profiles and threads, trending topics, and engagement actions like likes and reposts.

Enables searching X/Twitter posts and profiles via Twitee or the official X API.

A managed MCP server that gives AI agents 160+ typed LinkedIn tools for searching, connecting, messaging, and enriching profiles, with built-in account safety enforcement.

Enables AI agents to discover and fetch LinkedIn posts with engagement metrics (reactions, comments, shares) and author details, returning structured JSON per post.

Enables automated searching and commenting on Xiaohongshu with AI-generated comments via MCP clients like Claude, supporting login persistence, note analysis, and four comment types.

A Playwright-based tool that automates Xiaohongshu (Little Red Book) interactions, enabling users to login, search for notes, view content, and post intelligent comments through natural language commands.