"A multifunctional research MCP server for a deep researcher subagent" matching MCP servers:

An MCP server for researching YouTube niches. It searches videos, fetches metadata, calculates engagement metrics, downloads thumbnails, and produces aggregate niche statistics for analysis.

23 research tools for AI agents: web search, social media, academic papers, SEC filings, citation verification, reliability scoring. Pay-per-call from $0.01.

Lets an MCP client read comment threads on your own YouTube channel, prepare replies, moderate or hide comments, and query YouTube Analytics reports. Every publishing or moderation action is held for explicit user confirmation before it takes effect.

An MCP server for cross-platform social media research that enables scraping, semantic search, and analysis across seven major social platforms. It uses Apify for data retrieval and stores results in a local database for AI-powered trend detection and profile analysis.

Searches Reddit for answers to questions and saves Q&A sessions to Notion.

MCP server for compact Reddit research packs. Enables Reddit data extraction, search, and trend analysis through a set of tools like reddit_search and reddit_thread.

Enables local research of public Instagram Reels through a dashboard, CLI, and 22 MCP tools, with optional Codex or Claude Code analysis.

MCP server for researching community discussions, with a focus on Reddit. It enables searching Reddit posts and reading threads/comments, providing structured JSON output for LLM consumption.

Enables AI agents to perform read-only Reddit research, including discovering relevant subreddits, ranking threads by real discussion volume, and returning verbatim quotes with permalinks.

Read-only MCP server for Reddit. Searches and analyzes Reddit content without writing, ensuring all posts are done manually via the Reddit UI.

Enables AI assistants to interact with the Post For Me API, allowing them to explore endpoints, make test requests, and use documentation to help integrate this SDK into your application.

Fetches content data from YouTube, TikTok, Twitter, LinkedIn, articles, and PDFs so LLM clients can analyze content performance and generate insights.

A read-only MCP server that lets ChatGPT use Grok's x_search to retrieve and analyze posts and threads from specified X accounts, returning Chinese research reports with source links.

Enables MCP clients to search and read Reddit content—posts, comments, communities, wikis, and user activity—without posting or needing API keys. Supports full thread expansion, subreddit discovery, NSFW filtering, and compact outputs with rate-limit handling.

Enables read-only research on public X data through tools for posts, threads, profiles, search, trends, collections, and saved-result analysis using free public APIs and optional sessions.

An MCP server that lets AI assistants like Claude read LinkedIn data through your own logged-in browser session. Access profiles and companies, search for jobs, or get job details.

Enables LinkedIn profile research, post analysis, business signal detection, ICP prospect matching, and sales opportunity discovery through natural language.

Extracts LinkedIn saved posts into a structured research index using Chrome DevTools Protocol.

Enables LinkedIn profile reads and post operations through a local-first MCP server, with OAuth token management and approval-friendly tools for OpenWorker.

An MCP server that lets AI assistants like Claude read LinkedIn data through your own logged-in browser session. Access profiles and companies, search for jobs, or get job details.