"Information about RAG (Retrieval-Augmented Generation) or rag-related topics" matching MCP connectors:

500+ pay-per-call tools + skill packs. USDC + USDG on 12 chains, or free via proof-of-work.

For queries a model can't confidently place: resolves or declines. Built to decline, not guess.

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.

Find the stories worth writing about: discover emerging stories, rank the angle, draft from sources.

Product search and price comparison for AI agents. Search 100M+ products across thousands of retailers by text or image, compare live offers and prices, and turn any merchant URL into structured product data. No API key required to start; add one for unlimited use and affiliate commission.

clariBI is an AI-powered business intelligence platform built for small and mid-sized SaaS, ecommerce, and operations teams. Instead of writing SQL or building dashboards manually, users ask questions in plain English ("what's our CAC by channel last quarter?") and the AI engine pulls the data from Stripe, HubSpot, Google Analytics, ad platforms, Jira, and 30+ other sources via the open Model Context Protocol. Dashboards generate themselves on source connect.

MCP server for GOV.UK — search, content retrieval, organisation lookup, and postcode resolution.

Venturu's MCP server turns AI agents into deal scouts - letting them search the Venturu marketplace for businesses up for sale, discover brokers who can guide the process, and reach out directly to sellers or brokers to get the conversation started.

Get authoritative answers about Redpanda documentation and search API references.

Turn a GitHub repo or docs site into agent-ready context: pack it or search it, over MCP.

Federated search of books and papers, BibTeX/RIS citations, open-access retrieval and reading.

Semantic search over the Stoic corpus — Marcus Aurelius' Meditations, Seneca's essays, and Epictetus' Discourses, Enchiridion and Fragments. Search by theme or citation, fetch any passage, or get the daily reflection. Public domain translations, no auth.

Live AI trend radar: trending AI topics, why-trending signals, daily digests. No API key.

Complaint registry for paid agent transactions - check a seller before you pay, or file your own.

Official answers about Helena Bioinformatics and its products, with citations to public sources.

Freshness-aware AI retrieval with 21 MCP tools for timestamped, decay-ranked live signals.

Human-made production music for sync — search by brief or reference, preview, score to picture.

Search Umesh Malik's blog, fetch posts as Markdown, list topics, get his profile.

Search local businesses and book, order, quote or message any of them from one connection.