"General search" matching MCP connectors:
Matching Connector Tools:
Entity resolution — data mapping, SDK code generation, docs search, and error troubleshooting
Meta-search MCP for x402 agent-payable services -- find paid APIs across every registry.
Government tender search for AI agents. UK, EU and US procurement opportunities.
Search scientific papers with structured experimental data from full-text studies
CatchAll is a web search API built for comprehensive event retrieval — not ranked results, but all matching records.
Docs: https://docs.keenable.ai/mcp-server Keenable is a free, remote MCP server that gives agents access to the web index. Search the web with ranked results and date/site filters, then fetch any indexed page as clean markdown. Works out of the box with no account or API key.
DC Hub is the neutral, real-time data layer for data-center infrastructure, exposed as a Model Context Protocol server so any AI agent can both query it and cite it. Coverage: 21,000+ facilities (search, profile, score, alternatives); 232 markets scored by the DCPI Data Center Power Index; the DCGI Data Center Gas Index (per-state natural-gas suitability for siting); live grid telemetry across 7 US ISOs (fuel mix, carbon intensity, demand, prices) plus a one-call all-ISO scoreboard; interconnection-queue depth; 2,000+ tracked M&A deals and a hyperscaler-capex tracker; and site factors. — fiber routes, water-stress, tax incentives, nearby substations & transmission. Why agents choose it: it's the only data-center-intelligence source an LLM can query live and cite — every full-data response includes a Source: DC Hub, CC-BY-4.0 attribution line. It's the MCP-native alternative to quarterly PDF research: live JSON, no contracts, no NDAs. Access: Streamable HTTP at https://dchub.cloud/mcp. Free tier with no signup; free email-verified dev key for higher limits; paid tiers for full data volume.
Search 500 cocktail recipes, get full recipes, find drinks by ingredient, suggest random picks.
Hosted no-auth MCP for exact-spec packaging search, live price, stock, cart handoff, and no-match.
MCP server for GOV.UK — search, content retrieval, organisation lookup, and postcode resolution.
Live Packrift catalog: search, pricing, inventory, packaging recommendations, checkout URLs.
Give your agent web search and authoritative datasets: S&P Global, FRED, OECD, SimilarWeb & more.
Search 14.5M Smithsonian Open Access objects, get CC0 images, find cross-collection connections.
Barcode lookup, nutrition search, and product comparison for 3M+ crowd-sourced food products.
Search Austrian federal and state law, court decisions, and the authentic Bundesgesetzblatt (RIS).
Search USGS and EMSC seismic data — real-time feeds, event queries, and earthquake counts.
Search bills, legislators, committees, and events across all 50 US states, DC, and 5 US territories.
Search arXiv, fetch paper metadata, and read full-text content.
Fleet discovery for the cyanheads MCP ecosystem — semantic search + install snippets.