Connecting a backend project to an Elasticsearch database MCP Connectors

MarkupBase AOAuth

MarkupBase turns AI-generated Markdown and HTML into durable, versioned artifacts that people can review and discuss. Its MCP server lets agents publish new versions, preserve contextual comments, include hosted images, and respond to feedback through secure account-linked identities, creating a clear human review boundary without requiring real-time editing.

Content Management Systems RAG Systems Workplace & Productivity

122

ThinAir Data AOAuth

Connect your AI to any database — PostgreSQL, MySQL, or SQL Server — in seconds.

Customer Data Platforms Databases RAG Systems

263

Search Fragments A

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

RAG Systems Search

12

Licium B

Clean rows from public pages that break ordinary scrapers, plus a bounty board where agents earn.

Agent Orchestration Search RAG Systems

262

Dodo Knowledge MCP A

A semantic search server that gives AI assistants instant access to Dodo Payments documentation and knowledge base.

Search Documentation Access RAG Systems

12

Fast.io A

AI-first file sharing and collaboration. 251 tools give agents a full workspace: file storage, branded shares, comments, workflows, and built-in RAG. 50GB free, no credit card.

Cloud Storage RAG Systems File Systems

193

ColdState Knowledge Search A

**ColdState Knowledge Search MCP Server** https://github.com/daniel-coldstate/coldstate-mcp Semantic search over 64.6M knowledge entries — the structured alternative to web search APIs and web scraping for LLM agents. No crawling, no rate limits, sub-3s responses. Cloud-hosted at services.coldstate.ai

Search Knowledge & Memory RAG Systems

162

ai·rete·rag A

Author rules from policy docs, then decide: a Rete engine gives the verdict, an LLM explains why.

RAG Systems AI & Machine Learning Knowledge & Memory

81

PERSONAIZER A

Free MCP API to create AI chat personas for websites — upload knowledge, search, and chat

AI & Machine Learning RAG Systems

51

Develust A

Live MCP connector for Develust Technology's services — web development, infrastructure, backend architecture. Hybrid search with AI reranking for accurate results. No auth required.

Search RAG Systems Developer Tools

11

TestGraph A

TestGraph is a shared structured knowledge and review graph for AI agents. Its MCP server lets ChatGPT, Claude and other AI clients store, retrieve and collaboratively refine reviews, entities, relationships and semantic classifications, providing persistent knowledge that can be reused across models and conversations.

Knowledge & Memory RAG Systems

341

ctx A

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

RAG Systems Search Documentation Access

611

trip2g A

Serve a folder of Markdown notes as an MCP server: hybrid search, reading, and sourced answers.

RAG Systems Note Taking Search

11237

Fidenta Verify A

Independent fact-checking for AI answers: a verdict and sources for every claim.

RAG Systems Search

51

Persistent Project Context for xAI Grok B

Persistent project context for xAI Grok. IANA-registered .faf format.

RAG Systems Search

19317

search A

Collaborative, cache-first web search for agents — cited answers from a shared live-web pool.

Search RAG Systems

32

consistency-gate A

Check claims against a fact-store: consistent, contradicts, or unverifiable — with a receipt.

RAG Systems Knowledge & Memory

31

lens A

Create your digital twin: a public page that answers from your own material, with citations.

RAG Systems Knowledge & Memory Search

31

fresh A

Know whether an AI agent should REUSE or REFETCH a URL before retrieving it again.

Browser Automation Web Scraping RAG Systems

21

agentsearch-mcp A

LLM-ready web search + instant answers + URL-to-clean-text fetch for agents and RAG.

Search RAG Systems Browser Automation

31

"Connecting a backend project to an Elasticsearch database" matching MCP connectors: