Who should use MCP servers?

They are useful when you want AI agents to read files, run tools, query databases, connect services or automate development workflows.

Are MCP servers risky?

They can be. Review what files, accounts and network resources they can access. Prefer open-source projects and least-privilege configuration.

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Free Software Collection

Recommended MCP Servers

MCP servers connect files, databases, browsers, APIs and developer tools to AI agents. This collection focuses on free, open-source MCP projects with clear practical use cases.

26 curated recommendations

Selection Criteria

Free or open source with clear installation paths.
Useful in real workflows, not just demos.
Common client compatibility, active maintenance and clear risk boundaries are preferred.

Recommended Tools

✦ Ours

Free

Unterm

The terminal AI agents can drive

Open Source
No Ads
No Tracking
Offline

Recommended Skills & MCP

🔌 MCP Server

Filesystem MCP

Let AI securely read and write local files

Works with: Claude · Claude Code · Cursor

Open Source
No Ads
No Tracking

🔌 MCP Server

Git MCP

Let AI read and operate on Git repositories

Works with: Claude · Claude Code · Cursor

Open Source
No Ads
No Tracking

🔌 MCP Server

SQLite MCP

Let AI query and edit a local SQLite database

Works with: Claude · Claude Code · Cursor

Open Source
No Ads
No Tracking

🔌 MCP Server

Postgres MCP Pro

A Postgres MCP that also tunes your database

Works with: Claude · Claude Code · Cursor

Open Source
No Ads
No Tracking

🔌 MCP Server

Fetch MCP

Fetch a web page and convert it to Markdown for the model

Works with: Claude · Claude Code · Cursor

Open Source
No Ads
No Tracking

🔌 MCP Server

Brave Search MCP

Give AI the web via Brave's independent search index

Works with: Claude · Claude Code · Cursor

Open Source
No Ads
No Tracking

🔌 MCP Server

Context7

Up-to-date, version-accurate library docs for AI

Works with: Claude · Claude Code · Cursor

Open Source
No Ads
No Tracking

🔌 MCP Server

GitHub MCP Server

GitHub's official MCP server for the GitHub API

Works with: Claude · Claude Code · Cursor

Open Source
No Ads
No Tracking

🔌 MCP Server

Docker MCP

Manage Docker containers and images in natural language

Works with: Claude · Claude Code · Cursor

Open Source
No Ads
No Tracking

🔌 MCP Server

Cloudflare MCP

Operate your Cloudflare account and services in natural language

Works with: Claude · Claude Code · Cursor

Open Source
No Ads
No Tracking

🔌 MCP Server

Obsidian MCP

Let AI read and write your Obsidian vault

Works with: Claude · Claude Code · Cursor

Open Source
No Ads
No Tracking

🔌 MCP Server

Playwright MCP

Microsoft's official browser automation MCP server

Works with: Claude · Claude Code · Cursor

Open Source
No Ads
No Tracking

🔌 MCP Server

Chrome DevTools MCP

Let AI drive a real Chrome to debug your app

Works with: Claude · Claude Code · Cursor

Open Source
No Ads
No Tracking

🔌 MCP Server

YouTube Transcript MCP

Pull YouTube video transcripts in one call

Works with: Claude · Claude Code · Cursor

Open Source
No Ads
No Tracking

✦ Ours

🔌 MCP Server

Unterm

Exposes an entire terminal as 65+ MCP methods

Works with: Claude · Claude Code · Cursor

Open Source
No Ads
No Tracking

🔌 MCP Server

Desktop Commander

Terminal control, file search and diff edits for Claude Desktop

Works with: Claude Desktop · Claude Code · Cursor

Open Source
No Ads
No Sign-up

🔌 MCP Server

Basic Memory

Long-term AI memory stored as plain local Markdown

Works with: Claude Desktop · Claude Code · Cursor

Open Source
No Ads
No Tracking

🔌 MCP Server

MCP Toolbox for Databases

Google's open-source MCP server for many databases

Works with: Claude Code · Cursor · Gemini CLI

Open Source
No Ads
No Sign-up

🔌 MCP Server

DuckDB MCP

Let AI analyze local CSV and Parquet with DuckDB

Works with: Claude · Claude Code · Cursor

Open Source
No Ads
No Tracking

🔌 MCP Server

SearXNG MCP

Private web search for AI via your own SearXNG, no API key

Works with: Claude · Claude Code · Cursor

Open Source
No Ads
No Tracking

🔌 MCP Server

Fetcher MCP

Fetch JS-heavy pages with a headless browser, as Markdown

Works with: Claude · Claude Code · Cursor

Open Source
No Ads
No Tracking

🔌 MCP Server

GitMCP

Turn any GitHub repo into docs your AI can query

Works with: Claude · Claude Code · Cursor

Open Source
No Ads
No Sign-up

🔌 MCP Server

Excel MCP Server

Let AI read and write Excel files — no Office needed

Works with: Claude · Claude Code · Cursor

Open Source
No Ads
No Tracking

🔌 MCP Server

MCP Inspector

The official visual debugger for MCP servers

Works with: Any MCP server

Open Source
No Ads
No Tracking

🔌 MCP Server

mcpo

Expose any MCP server as a standard OpenAPI service

Works with: Open WebUI · Any OpenAPI client

Open Source
No Ads
No Tracking

FAQ

Who should use MCP servers?: They are useful when you want AI agents to read files, run tools, query databases, connect services or automate development workflows.
Are MCP servers risky?: They can be. Review what files, accounts and network resources they can access. Prefer open-source projects and least-privilege configuration.