Web Search MCP Servers

Exact symbolic math for LLMs: integrals, equations, matrices, and claim verification via Giac/Xcas

US patent search, assignee portfolios, and citation graph via PatentsView.

Search EU public tenders across TED and 8 national portals. Monitor, match, and analyse procurement.

Semantic search knowledge base with serverless LanceDB. Zero setup, 100% local, 25+ file types

Reddit MCP server - browse posts, search content, analyze users.

Reddit browser for AI assistants. Browse without API keys; add credentials for search and analysis.

Real-browser WCAG audit that also finds keyboard-inoperable controls axe-core misses, with fixes.

Query channels, search messages, and read threads, users and reactions in your Stream Chat app.

A registry of 5,900+ peer-authored skills any MCP agent can search and load on demand.

Visual fashion search across retailers and resale, with localized prices and app handoffs.

MCP server for The Noun Project - search and download icons directly in Cursor AI and Claude

15 YouTube endpoints. Pay per call in USDC via x402.

177,000+ earnings call transcripts for AI - speaker segments & full-text search.

Retractions / research-integrity MCP.

Search, discover, and contribute to AgentPedia - the knowledge base for AI agents.

Local-first MCP server: semantic search over library docs. No cloud, no API key, no telemetry.

Knowledge graph ingestion, entity search, ontology analysis, and CoPass scoring.

HEOR MCP server: literature search, CEA, BIA, NMA/MAIC, HTA dossiers (NICE/FDA/EMA/JCA).

Access Japanese financial disclosures (EDINET). Search companies, retrieve BS/PL/CF statements.

Nifra docs, runnable examples, and API types as an MCP server for any AI assistant.

Browse restaurants, search dishes, order food delivery, track riders. 50+ countries.

Free agent discovery + paid x402 research (outline 0.01 / brief 0.02 USDC Base).

MCP server for Litra.ai – AI-powered academic paper search with relevance scoring and summarization

Fetch any web page's HTML or AI-parsed JSON through the ScrapeUnblocker anti-bot API.