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: 608

A gateway that turns any API with an OpenAPI V3 spec into an MCP server, without touching the original API

Medium risk625Repository stars
Official

The official MCP server for the Chroma vector database: collections, documents, semantic and full-text search

Medium risk599Repository stars

A lightweight MCP server for step-by-step reasoning: a scratchpad with history, branching and tool-plan validation

Medium risk590Repository stars

An MCP server for Argo CD: applications, resource trees, logs, events, sync and resource actions

High risk576Repository stars

An MCP server for AutoCAD, GstarCAD and ZWCAD: draw, edit and inspect drawings in plain language

Medium risk574Repository stars

MCP server for Apple Health data: an agent answers questions about sleep, workouts and heart rate with SQL

Medium risk570Repository stars

MCP server for iTerm: the agent runs commands in the active terminal session, reads output and sends control characters

High risk568Repository stars

MCP server for Proxmox VE: manage VMs, LXC, snapshots and backups from an agent with permission control and command approval

High risk563Repository stars

An MCP server for TouchDesigner: the agent creates and edits nodes, reads parameters and runs Python scripts inside a project

Medium risk556Repository stars

A structural code search MCP server for agents: finds the right file by query intent and runs locally

Medium risk556Repository stars
Official

Official Anytype MCP server: an agent searches, creates and edits objects, lists and types in your knowledge base

Medium risk526Repository stars

DuckDB / MotherDuck MCP Server

DuckDB / MotherDuck Local MCP Server

Official

An MCP server for SQL analytics on DuckDB: local files, in-memory databases, S3-hosted databases and MotherDuck

Medium risk525Repository stars
Russian stack

A 1C extension that runs an MCP server inside the infobase: metadata tools out of the box and custom tools in BSL

High risk522Repository stars

An MCP server for Prometheus: the agent runs PromQL queries, discovers metrics and checks scrape targets

Medium risk518Repository stars

An MCP server for Anki: conversational card review, note creation, decks, note types and statistics

Medium risk497Repository stars

An MCP server for Unity: control the scene, objects, components, builds and profiling from an agent

Medium risk485Repository stars

MCP server for AppleScript: the agent runs scripts and controls Mac apps, from Notes and Calendar to files

High risk465Repository stars

MCP server for Reddit: an agent reads hot threads from a subreddit and analyzes posts with their comments

Medium risk425Repository stars

A self-hosted MCP server for Odoo: read and gated writes of ERP data through an agent, any edition and version

High risk418Repository stars

MCP server for Odoo: the agent reads, creates and updates ERP records, searches data and calls business operations within Odoo permissions

High risk392Repository stars

An MCP server for SEC EDGAR: US company filings, forms 10-K, 10-Q and 8-K, XBRL-parsed financials and insider trades

High risk359Repository stars
Official

Apache Doris's official read-only MCP server: catalogs, queries, cluster diagnostics, search and lineage

Medium risk348Repository stars

MCP server for Linear: the agent creates and updates issues, searches the tracker and adds comments through the Linear API

Medium risk347Repository stars

MCP server for Home Assistant: an agent reads device states, controls them and edits smart home dashboards

High risk344Repository 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.