"Using agents in VSCode to reference library documentation during programming" matching MCP connectors:

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

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.

The first low-latency wire service purpose-built for AI agents. Ingests 54+ public APIs and 71k RSS feeds across 232 countries, outputs CWF (Cognitive Wire Format) – 80% shorter than JSON, sub-second WebSocket delivery. 9 MCP tools: get_latest_signals, search_signals, get_fused_signal, scope_signals, get_facet_manifest, list_facets, get_related_signals, list_data_sources, get_billing_profile. 26 citable fusion products with verifiable formulas – no black-box scores.

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

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

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

MCP server for German & EU law. Verified, citable legal context for any LLM. Daily updates from official sources, hosted in Germany

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.

**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

Source-traced evidence research for AI agents. We organise the evidence; you decide.

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

Compact, citation-verifiable public web context for AI agents, paid per use with x402.

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

Persistent semantic memory for AI agents: store and recall text by meaning (RAG). x402

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

GRIN-scored news for agents: discover by verdict, pull full analysis, traverse extraction graphs.

1 Google Search endpoints. Pay per call in USDC via x402.

Apple Developer Documentation with Semantic Search, RAG, and AI reranking for MCP clients

Build and run grounded business agents over MCP: agents, knowledge bases, skills, Storylines.

Manage your Mistral platform — models, files, batch jobs, agents and RAG document libraries.