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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Found: 512

Official

Datalayer's MCP server for Jupyter: the agent opens notebooks, edits cells and runs code in a live JupyterLab session

High risk1.3KRepository stars

An MCP server for private web search through your SearXNG instance: search with pagination and filters, page and PDF reading

Medium risk1.3KRepository stars

An MCP bridge to control your browser from a coding agent: a Chrome extension and a set of tab and page automation tools

High risk1.3KRepository stars

An MCP server for comparing products from sources you choose: it shows where facts came from and asks for approval before buying

High risk1.2KRepository stars

Burp Suite MCP Server

Burp Suite MCP Server Extension

Official

PortSwigger's official extension that exposes Burp Suite to AI clients over MCP for working with web traffic during testing

High risk1.2KRepository stars

A Zotero plugin with a built-in MCP server: the agent searches the library, reads PDFs and notes, and works with annotations and metadata

Medium risk1.2KRepository stars

An MCP server that lets an agent read files, search code and run commands in a workspace

High risk1.2KRepository stars

A secure MCP runtime through which an agent operates local machines, servers and containers

High risk1.1KRepository stars

mcpdoc

MCP LLMS-TXT Documentation Server

An MCP server from LangChain that serves docs from the llms.txt files you choose, with auditable tool calls

Medium risk1KRepository stars

MCP server for Google Sheets and Google Drive: an agent reads, edits and creates spreadsheets, tabs and charts

High risk1KRepository stars

Neo4j Labs MCP servers: Cypher queries on a graph, graph memory for agents, Aura management and data modeling

High risk986Repository stars

MCP server for Kubernetes: the agent reads cluster state, diagnoses pod failures and runs operations through kubectl

High risk961Repository stars
Official

A PDF-reading MCP server: structured text, tables, OCR, visual crops and page-level citations

Medium risk959Repository stars

A local MCP server that keeps a staged journal of an agent's reasoning with persistent sessions, decisions and evidence

Medium risk955Repository stars
Official

An open macOS app for code context engineering: an MCP server and agent orchestrator that helps agents understand a project before editing

Medium risk938Repository stars

An MCP server for a project memory bank: the agent stores and reads memory files through one service instead of inside the project

Medium risk921Repository stars
Official

MCP server and skills for product analytics: user paths, funnels, segments and transition graphs over event logs

Medium risk919Repository stars

An MCP server that checks whether the agent is really done: drives the real app and returns pass, fail or couldn't tell with the file and line

Medium risk915Repository stars

An MCP server for Unreal Engine: control assets, actors, the editor, sequencer and blueprints

High risk895Repository stars

iai-memory

iai-memory (Personal Memory Engine)

Official

A local long-term memory MCP server for agents: keeps conversations verbatim and returns the right context at the start of a session

Medium risk895Repository stars

Code indexing for LLMs: VectorCode builds repository search and feeds relevant context to an agent via CLI and MCP

Medium risk875Repository stars

A set of MCP servers for UniFi: the agent works with Ubiquiti Network, Protect and Access controllers

High risk856Repository stars

A headless IDA Pro MCP server in Rust: the agent opens a database, lists functions, disassembles, decompiles and builds cross references

High risk846Repository stars
Official

A local memory MCP server for coding agents: records issues, attempts, fixes and decisions and warns before repeating a failed approach

Medium risk846Repository stars

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.