How to Connect to a PostgreSQL Database MCP Connectors

Search Fragments A

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

RAG Systems Search

12

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

Fidenta Verify A

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

RAG Systems Search

51

search A

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

Search RAG Systems

32

Pastepile A

Durable, versioned memory for AI assistants. Remote memory needs a Pastepile subscription.

Knowledge & Memory RAG Systems

121

consistency-gate A

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

RAG Systems Knowledge & Memory

31

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

61

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

trip2g A

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

RAG Systems Note Taking Search

11234

lens A

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

RAG Systems Knowledge & Memory Search

31

agentsearch-mcp A

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

Search RAG Systems Browser Automation

31

Mdkit A

Document-to-Markdown MCP server — convert PDF, Office and HTML into LLM-ready Markdown.

Developer Tools RAG Systems Data Platforms

31

doc.page PDF Extraction A

Extract PDFs to Markdown, RAG chunks and cited tables; publish tracked Doc Links with read stats.

RAG Systems Documentation Access

72

stagenth · 文档解析 A

Parse PDF/Word/PPT/HTML to Markdown; tables as JSON, image extraction, RAG chunking, page ranges.

RAG Systems File Systems

42

Drillable A

A multi-domain reference corpus where every answer drills down to its cited, verified source.

RAG Systems Search Knowledge & Memory

82

vozclara A

Multilingual YouTube → Knowledge Pack engine. Paste a video URL and get a structured pack — summary, key ideas, glossary, quiz, transcript with timestamps — in Spanish, Portuguese, German, or English. Anonymous endpoint plus OAuth-gated tools for library search, RAG Q&A on a single pack, and Anki export.

RAG Systems Text Summarization Education & Learning Tools

12

VenuVidya — Carnatic Flute Study Guide A

Kannada/English Carnatic flute KSGMS syllabus — search lessons, log practice, ask a RAG guru.

Education & Learning Tools RAG Systems Search

72

Lifestyle Medicine Knowledge A

Semantic search over a 200-chunk ACLM lifestyle medicine knowledge base.

Health & Wellness Search RAG Systems

12

"How to Connect to a PostgreSQL Database" matching MCP connectors: