Official
Microsoft's utility and MCP server that turn PDF, Word, Excel, PowerPoint, HTML and other files into Markdown for models
MCP servers
An MCP server connects an agent to external data and tools over a single protocol: files, databases, APIs and services. This section lists servers with their transport, auth method and environment variables, an install command and an honest read on the risks.
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Official
A visualization language for agents and an MCP server: neat charts from a simple semantic spec
Editors’ pick
Official ClickHouse MCP server: the agent lists databases and tables and runs SQL, read-only by default
DataLens official MCP server
datalens-mcp
The official DataLens MCP server from the development team: turns the public DataLens API into three gateway tools instead of hundreds of separate MCP tools
Editors’ pick
A Yandex Metrika MCP server generated from the API spec: 108 methods, 10 tools declared by default, transparent filters and response metadata
Official
A self-hosted trend and news monitor with an MCP server: hot-topic aggregation, RSS and smart alerts
A local web engine for the agent over MCP: search, fetch, crawl, extract and research with no keys and no cloud
Official
Instant REST and MCP over PostgreSQL: the agent reads an existing database through an MCP endpoint with no backend to write
Official
An MCP server from AntV for generating charts and diagrams: 25+ visualization types, from lines and bars to maps, mind maps and network graphs
An MCP server to create and edit Excel files without Microsoft Office: formulas, formatting, charts, pivot tables
A local MCP server for arXiv literature work: section-level paper reads, BibTeX from metadata, topic watches
An MCP server for searching and downloading academic papers from arXiv, PubMed, bioRxiv, Semantic Scholar and other open sources
MCP server that gives an agent access to MySQL: schema inspection and queries, read-only by default, writes behind flags
Self-hosted long-term memory for agents: semantic search, a knowledge graph and autonomous consolidation over MCP and a REST API
data.gouv.fr MCP
data.gouv.fr MCP Server
Official MCP server for France's open data portal: search, explore and query datasets straight from a chat with the agent
Qdrant MCP Server
mcp-server-qdrant
Qdrant's official MCP server: semantic memory for agents on a vector database, storing and retrieving by meaning
Official
An MCP memory server for trading agents: keeps decisions and outcomes with a tamper-evident SHA-256 journal
Claude Video Vision
claude-video-vision
An MCP server and Claude Code plugin that let the agent watch video: frames via ffmpeg and audio transcription via Gemini, local Whisper or OpenAI
An MCP server for private web search through your SearXNG instance: search with pagination and filters, page and PDF reading
A Zotero plugin with a built-in MCP server: the agent searches the library, reads PDFs and notes, and works with annotations and metadata
Official
A PDF-reading MCP server: structured text, tables, OCR, visual crops and page-level citations
A local MCP server that keeps a staged journal of an agent's reasoning with persistent sessions, decisions and evidence
Official
MCP server and skills for product analytics: user paths, funnels, segments and transition graphs over event logs
Official
An MCP server built on Docling: converts PDFs into structured documents, builds new ones and feeds them to RAG
Frequently asked questions
What is an MCP server?
An MCP server connects an agent to external data and tools over a single protocol: files, databases, APIs and services. The agent calls its tools while it works.
How do I connect an MCP server to an agent?
The entry lists how to run it (npx, uvx, docker or a remote URL) and the environment variables. A config snippet goes into the agent settings.
Do I need a key or a paid account?
It depends on the server. Each entry states the auth method and requirements, including paid accounts, in the limitations block.