alliotools-mcp
Click on "Install Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type
@followed by the MCP server name and your instructions, e.g., "@alliotools-mcpcalculate 15% of 200"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
alliotools-mcp
Privacy-first MCP server for allio Tools β 176+ utilities that run entirely on your machine.
No API keys. No accounts. No data leaves your device.
What is this?
Model Context Protocol (MCP) is an open standard that lets code editors and chat applications connect to external tool servers. This package brings allio Tools' calculators, converters, developer tools, text utilities, and date/time tools directly into any MCP-compatible client β running entirely as a local process on your machine.
Privacy first: Every tool in this server computes results locally in Node.js. Nothing is sent to allio.tools or any third-party service. The only exceptions are the network tools (marked with π), which make external calls by design β for example, a DNS lookup must contact a DNS server.
Related MCP server: Simple MCP Server
Tools included
Calculators (local β)
Tool | Description |
| X% of Y, X is what % of Y, percentage change |
| Final amount, interest earned, year-by-year breakdown |
| BMI and weight category (metric or imperial) |
| Exact age in years/months/days + next birthday |
| Tip amount and split between people |
| Discounted price and amount saved |
| Gross margin and markup percentage |
| Convert between hourly/daily/weekly/monthly/annual |
| Monthly payment and total interest |
| Break-even units and revenue |
| Selling price from markup or markup from price |
| Area of 8 shapes: rectangle, circle, triangle⦠|
| Trip fuel cost (metric or imperial) |
| Inflation-adjusted value 1913β2024 (embedded CPI data) |
| TDEE, BMR, and macro targets |
Converters (local β)
Tool | Description |
| Length, weight, temperature, volume, speed, area, data |
| Binary β Octal β Decimal β Hex |
| Roman numerals β integers (1β3999) |
| 1234 β "one thousand two hundred thirty-four" |
| HEX β RGB β HSL β HSV β CMYK |
Developer Tools (local β)
Tool | Description |
| Encode/decode Base64 |
| MD5, SHA-1, SHA-256, SHA-384, SHA-512 |
| Generate 1β100 UUIDs (v4, cryptographically random) |
| Format, minify, or validate JSON |
| Encode/decode URLs and URL components |
| Encode/decode HTML entities |
| Test regex patterns with match positions and groups |
| Decode JWT header and payload, check expiry |
| Unix timestamp β human-readable date |
| Format and beautify SQL queries |
| Minify CSS, JavaScript, or HTML |
| HEX β RGB color conversion |
| Parse cron expressions in plain English + next 5 runs |
Text Tools (local β)
Tool | Description |
| Words, characters, sentences, paragraphs, reading time |
| UPPER, lower, Title, camelCase, snake_case, kebab-case, PascalCase |
| Line-by-line diff between two texts |
| Generate placeholder text (paragraphs/sentences/words) |
| Convert text to URL-friendly slug |
| Check if text reads the same forwards and backwards |
| Reverse by characters, words, or lines |
| Remove duplicate lines from text |
| Sort lines alphabetically, by length, or randomly |
| Text β Morse code |
| Character count with frequency breakdown |
Date & Time (local β)
Tool | Description |
| Days between dates, add/subtract days |
| Convert times between any IANA time zones |
| Unix timestamp β human-readable |
| ISO week number and week date range |
| Duration between times, add durations |
Network Tools (π makes external calls)
These tools work by contacting external services. No data is stored or logged by allio Tools β the call goes directly from your machine to the target.
Tool | External call made |
| DNS query to resolve A, MX, TXT, NS records |
| HTTP HEAD request to target URL |
| HTTP request to check if site is up |
| DNS lookup + optional geolocation API |
| HTTP GET to extract OG/Twitter Card meta tags |
Installation & Setup
Prerequisites
Node.js v18 or higher
No other dependencies. No API keys. No configuration files.
Claude Desktop
Edit ~/AppData/Roaming/Claude/claude_desktop_config.json (Windows) or ~/Library/Application Support/Claude/claude_desktop_config.json (Mac):
{
"mcpServers": {
"alliotools": {
"command": "npx",
"args": ["-y", "alliotools-mcp"]
}
}
}Restart Claude Desktop. You'll see "alliotools" in the tools panel.
Cursor
Edit ~/.cursor/mcp.json:
{
"mcpServers": {
"alliotools": {
"command": "npx",
"args": ["-y", "alliotools-mcp"]
}
}
}Windsurf
Edit ~/.codeium/windsurf/mcp_config.json:
{
"mcpServers": {
"alliotools": {
"command": "npx",
"args": ["-y", "alliotools-mcp"]
}
}
}VS Code (with Cline, Roo Code, or Continue)
Add to your .vscode/mcp.json or the extension's config file:
{
"mcpServers": {
"alliotools": {
"command": "npx",
"args": ["-y", "alliotools-mcp"]
}
}
}Zed
In ~/.config/zed/settings.json:
{
"context_servers": {
"alliotools": {
"command": {
"path": "npx",
"args": ["-y", "alliotools-mcp"]
}
}
}
}Amazon Q Developer
Edit ~/.aws/amazonq/mcp.json:
{
"mcpServers": {
"alliotools": {
"command": "npx",
"args": ["-y", "alliotools-mcp"]
}
}
}GitHub Copilot (VS Code agent mode)
Add to .vscode/mcp.json in your workspace:
{
"servers": {
"alliotools": {
"type": "stdio",
"command": "npx",
"args": ["-y", "alliotools-mcp"]
}
}
}JetBrains AI
Go to Settings β Tools β AI Assistant β Model Context Protocol and add:
Command:
npxArguments:
-y alliotools-mcp
Privacy
This MCP server was built with privacy as the primary design constraint.
Local tools (all calculators, converters, developer tools, text tools, date/time tools): All computation happens in the Node.js process on your machine. No network requests are made. No data is transmitted anywhere.
Network tools (DNS lookup, HTTP header checker, website status, IP lookup, OG preview): These tools exist to query external resources β that's their purpose. The request goes directly from your machine to the target. allio Tools never sees the request.
No telemetry. No analytics. No usage tracking. No crash reporting.
Open source. You can read every line of this code and verify it yourself.
Using with your AI
Once installed, just ask naturally:
"Calculate compound interest on $10,000 at 5% for 20 years, compounded monthly"
"Convert 180 lbs to kg"
"How many days between March 15 2024 and November 30 2024?"
"Generate 5 UUIDs"
"What is the SHA-256 hash of 'hello world'?"
"Convert 9:30 AM New York time to London time"
"Look up DNS records for allio.tools"
"Is https://example.com up?"
License
MIT β see LICENSE
Built with β€οΈ by allio Tools β free online tools for everyone.
Maintenance
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