MCP Server Pack — 10 Production-Ready MCP Servers

🎁 Get the full pack on Gumroad → [link goes here at launch]

Ten focused, single-purpose MCP servers for Claude Code, Cursor, Cline, Windsurf — drop them into any MCP client config and your agent gains ten new tools. All zero-cloud, all stdio, all MIT-licensed.

Server	Tools	What it does
calc-mcp	eval, convert	Math expressions + unit conversion
time-mcp	now, parse, format, diff, ago, tz	Date/time/timezone utilities
fs-search-mcp	grep, find, tree	File search + listing in a directory
hn-search-mcp	search, top, item	HackerNews API wrapper
arxiv-mcp	search, abstract	arXiv paper search + abstract fetch
regex-mcp	match, replace, explain	Regex testing + explanation
json-tools-mcp	validate, infer-schema, query	JSON validation + jq-like query
markdown-tools-mcp	toc, frontmatter, links	Markdown TOC + frontmatter + link extract
wikipedia-mcp	search, summary	Wikipedia search + summary fetch
dns-tools-mcp	lookup, reverse, mx, txt	DNS lookup + record types

Free public sample

The repo includes ONE complete server (calc-mcp) under MIT for free inspection. The other nine + the master install scripts + the unified config snippets ship in the Gumroad bundle.

Quick start (free sample)

git clone https://github.com/LuuOW/mcp-server-pack
cd mcp-server-pack/servers/calc
npm install
node index.mjs   # waits for MCP JSON-RPC on stdin

Drop into Claude Code

{
  "mcpServers": {
    "calc": {
      "command": "node",
      "args":    ["/abs/path/to/mcp-server-pack/servers/calc/index.mjs"]
    }
  }
}

Get the full pack

🎁  10 servers · install scripts · unified Claude Code config
🎁  $49 on Gumroad — MIT license, commercial-use OK, no resale of bundle

Buy the pack →

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By @LuuOW · Same author as meridian-skills-mcp and build-your-own-mcp.