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web-researcher-mcp 是一款开源 MCP 服务器，为 Claude、Cursor 等 MCP 客户端添加网页搜索、来源阅读和带引用的研究流程，支持可核查来源、精选搜索范围与本地执行。
Perplexity 是 perplexity.ai 上的网页版产品站点，提供浏览器访问并设有公开定价页；页面受安全验证保护，具体功能与套餐信息未能确认。
veridive is an AI answer engine that searches YouTube and the spoken web live, then returns cited answers pinned to the exact second in source videos. It also includes library analysis, content-generation tools, a Chrome extension, and MCP access for connected AI workflows.
BetScan 是一款免费的浏览器扩展，可在你下注前，通过比对牌照状态、Trustpilot、AskGamblers、Reddit 等公开信号，检查在线赌场安全性。支持 Chrome 及其他 Chromium 浏览器，提供 0–100 Trust Score 和来源级证据。
Rodeo is an AI-powered video intelligence product that helps teams discover, organize, and create from existing video libraries. The website uses a sales-assisted request flow rather than self-serve pricing or checkout.
NewsCatcher Platform 是一款用于生成自定义新闻数据集并通过网页搜索结果监控新闻动态的网页应用，帮助用户构建带引用依据的结构化记录，便于分析和 AI 工作流使用。
Stella is a local-first semantic search app for macOS that helps you find files by meaning instead of filename. It indexes text-based documents on your machine and works offline without an account.
SpotACafe is a free, community-curated cafe finder with a live map, amenity filters, opening hours, reviews, and check-ins. It helps people find nearby cafes that fit work, errands, or a quick stop.
Wingbits AI lets users create AI agents that monitor aircraft, fleets, or regions and send automated alerts, reports, or analysis. It supports delivery to Slack, Teams, and inbox/email workflows, with a live map for exploring airspace context.
Rixx is an AI-native search workspace for cited answers, document analysis, charts, and reports. It helps researchers, analysts, founders, students, writers, and operators turn web and file-based research into reusable outputs.
A public database of artists who performed in Russia after February 24, 2022, with index views and artist pages that show concert history and counts. It helps readers research performers and make informed decisions about who they support.
GoldenRetriever is a macOS public beta for AI search across videos, audio, and documents in a local media library. It returns sourced answers with timestamps and uses the user's own Gemini API key for AI requests.
ExploreYC is a web-based tool for searching and analyzing Y Combinator’s portfolio of startups. It helps users discover YC-backed companies and review portfolio-wide context across countries and industries.
Oriane is an AI video intelligence platform that helps brands, agencies, and enterprise teams search video content across TikTok, Instagram, and YouTube. It supports content research, creator discovery, brand safety review, and campaign analysis from searchable video data.
VectorAI DB is Actian’s enterprise vector database for local-first AI search and retrieval. It supports RAG, semantic search, and AI deployments across edge, on-premises, hybrid, and cloud environments.
SNEWPapers is a web-based AI archive for searching historical American newspapers by meaning, not just keywords. It helps researchers explore millions of articles, build collections, and ask cited questions through the Sleuth assistant.
Peer 是一款基于网页的健康研究工具，可搜索医学数据库和可信出版机构，以引用来源、通俗易懂的方式回答健康问题，并提供证据分级与来源核验。
AppearOnAI is an AI visibility analysis platform that helps teams understand how ChatGPT, Claude, Perplexity, and other AI systems describe and recommend their brand. It offers visibility tracking, recommendations, and plan options for startups, agencies, and enterprises.
TwelveLabs is a video intelligence platform and API for searching, analyzing, and understanding video with multimodal AI. It supports developers and enterprises with Marengo and Pegasus models, API-based workflows, and tiered pricing from Free to Enterprise.
StartupDirectory.io is a web-based startup directory for discovering startups, browsing categories, and comparing approved listings. It also includes curated alternatives guides for finding substitutes to familiar products.