Fast per-repo documentation indexer and full-text search MCP server for codebases.

MCP server for integrating Omnisearch with LLMs

ScholarMCP

ScholarMCP - An academic research MCP server with comprehensive literature search, PDF ingestion, and citation management tools. Integrates with Google Scholar, OpenAlex, Crossref, and Semantic Scholar for automated research workflows.

RivalSearchMCP

Deep Research & Competitor Analysis MCP for Claude & Cursor. No API Keys. Features: Web Search, Social Media (Reddit/HN), Trends & OCR.

Scrape Twitter/X profiles, tweets, search. No API key. Structured JSON. x402 pay-per-call.

Glean

A self-hosted RSS reader and personal knowledge management tool.

Ragent

CLI tool for building production RAG systems from Markdown, CSV, and PDF documents using hybrid search (BM25 + vector) with OpenSearch. Features MCP server, Slack bot, Web UI, multi-source ingestion (local/S3/GitHub), and multi-provider embeddings (Bedrock/Gemini).

Rust MCP server for denoised web search — fetch, clean, and rerank web content for AI agents.

CoexistAI

CoexistAI is a modular, developer-friendly research assistant framework . It enables you to build, search, summarize, and automate research workflows using LLMs, web search, Reddit, YouTube, and mapping tools—all with simple MCP tool calls or API calls or Python functions.

MCP server for SearXNG aggregator — web search across multiple engines via Model Context Protocol

Engraph

Local knowledge graph for AI agents. Hybrid search + MCP server for Obsidian vaults.

Searxng.Rb

SearXNG client and MCP server for Ruby. Local and private web search from console, IDE, and tools.

Official SerpApi MCP server for Google, Bing, and other search engines.

Algokiller Plugin

ARM64 trace evidence analysis & cipher algorithm recovery — Claude Desktop plugin with skills + local MCP server driving the native ak_search engine over GB-scale trace files

Rust MCP server for denoised web search — fetch, clean, and rerank web content for AI agents.

Aminer Mcp

限时免费、限时免费、限时免费。目前 AMiner 的基础查询接口（包含学者、论文、专利搜索）均处于免费开放阶段。这意味着您可以零成本将海量学术大数据接入 AI 助手，无需支付昂贵的 API 费用即可实现一键学术检索，是目前极具性价比的学术数据源方案。

YouTube MCP server for token-optimized, structured data using the YouTube Data API v3.

Mcp Server Airbnb

Search Airbnb using your AI Agent

Search papers, books, code, legal cases, forums, Wikipedia, and more from one API.

Mcp Omnisearch

MCP server for integrating Omnisearch with LLMs