MCP servers for AI agents

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 access level with its reasons.

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Found: 3090

iso-topology turns an architecture description into an isometric SVG diagram that an agent validates and repairs by contract

Minimal access74Repository stars
Official

DocsMint lets agents search, read and edit knowledge base documents through 22 MCP tools, in the cloud or on your own Docker

Extended access74Repository stars
Official

Transloadit MCP Server runs Transloadit Robots for video, audio, images and documents: upload, processing, templates and linting.

Extended access73Repository stars

MCP server for Open-Meteo: 17 tools, a 16-day forecast, archive from 1940, air quality, marine data, floods and climate

Extended access73Repository stars

MCP server and CLI building .icon bundles with Liquid Glass for iOS 26: layers, dark mode, previews, App Store export

Extended access73Repository stars

A Rust MCP server: a repository knowledge graph, 43 tools, edit impact analysis and a guard against dangerous changes

Extended access73Repository stars

brainstorm-mcp runs debates among GPT, Gemini, DeepSeek, Claude and Ollama models in your editor and returns a three-point verdict

Extended access73Repository stars
Official

Ace Data Cloud MCP server: an agent writes songs and lyrics, makes covers, stems and extensions of Suno tracks, no browser.

Extended access73Repository stars

Design System Extractor MCP

mcp-design-system-extractor

An MCP server pulling component information and design tokens from Storybook and analyzing CSS. One-command connection with claude mcp add

Minimal access73Repository stars
Official

The official Appwrite MCP server opens a project databases, users, functions and storage to an agent through OAuth.

Broad access72Repository stars
Official

An agent reads Weights & Biases runs, metrics and Weave traces and builds reports from plain-language questions

Extended access72Repository stars
Official

Official Pinecone MCP server: documentation search, index creation, record upserts and search from your agent

Broad access72Repository stars

A free WordPress plugin with an MCP server of 200+ tools: Claude, ChatGPT and Cursor manage your site, WooCommerce and menus

Broad access71Repository stars

MCP server that runs circuits in LTspice and ngspice: sweeps, Monte Carlo, .asc schematic edits, results come back as numbers

Broad access71Repository stars

thunderbird-cli gives an agent Thunderbird mail through a tb CLI and 12 MCP tools, passwords stay in Thunderbird

Broad access71Repository stars
Russian stack

A 1C extension that runs an MCP server inside the 1C:Enterprise client and lets you write your own tools in BSL

Extended access71Repository stars
Official

Official Netlify MCP server: the agent creates projects, builds and deploys sites, manages environment variables and forms

Broad access71Repository stars
Russian stack

MCP bridge to BSL Language Server: navigation, diagnostics and refactoring of 1C and OneScript code for agents

Extended access71Repository stars
Russian stack

A free MCP server for a working 1C infobase: the agent reads data from plain requests and gets the metadata structure of any configuration

Extended access71Repository stars
Official

SeldonFrame MCP server and plugin: an agent builds a client site, booking flow, CRM and AI agent from one request

Broad access70Repository stars

Kirby MCP gives an agent a Kirby CMS project: structure, live content, debugging and a bundled Kirby knowledge base

Broad access70Repository 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 card 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 card states the auth method and requirements, including paid accounts, in the limitations block.