256+ tools · API · Node & Python SDK · MCP Server

The tool layer for developers
and AI agents

Your agents are only as good as the tools they can call. Utilix gives them 256+ battle-tested utilities via API, SDK, and MCP server.

API & SDK docsBrowse tools
Browser tools256+ tools, no loginREST API10k req/day on ProNode SDK666 functions, offlinePython SDK518 functions, offlineMCP Server212 tools in Claude & Cursor

Recently added

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codeNew
Shell Command Explainer (AI)Paste a shell or bash command and get a plain-English, flag-by-flag breakdown of what it does, plus a warning if it's destructive, powered by GPT-4o mini
mathNew
Extra-Payment Mortgage Payoff CalculatorSee how much sooner a loan pays off, and how much interest you save, by adding a fixed extra amount to every monthly payment
mathNew
Freelancer Hourly Rate CalculatorSolve for the minimum hourly rate a freelancer must charge to hit a target annual income, given billable hours, weeks worked, overhead, and a profit margin
networkNew
HTTP Retry-After Header BuilderBuild a Retry-After response header from a delay in seconds or a target date/time, or parse an existing one, per RFC 9110
dataNew
NDJSON Record DeduplicatorRemove duplicate records from newline-delimited JSON (NDJSON/JSON Lines), either by exact structural equality or by a chosen key field, keeping the first occurrence

AI tools

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imageSVG Generator (AI)Generate SVG illustrations, icons, and graphics from a text description using GPT-4o
regexNL → Regex (AI)Describe what you want to match in plain English: get a regex pattern, explanation, and test cases powered by GPT-4o mini
codeCLI Builder (AI)Describe a terminal task in plain English: get the exact shell command with a breakdown of every flag, powered by GPT-4o mini
cssCSS Explainer (AI)Paste any CSS and get a plain-English breakdown of every selector and property: powered by GPT-4o mini
jsonJSON Schema Generator (AI)Describe your data in plain English: get a production-ready JSON Schema (Draft-07) instantly, powered by GPT-4o mini
Always free in browser
256+ tools, client-side only, no login
MCP-ready for AI agents
212 tools in Claude Desktop & Cursor
REST API
Every tool at api.utilix.tech/v1
Node & Python SDK
666 functions, offline, no API key

Works everywhere

Call from any language. Same key, same format.

POST JSON in, get JSON back. Pick a use case and a language to see how.

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// ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"utilix": {
"command": "npx",
"args": ["-y", "@utilix-tech/mcp"],
"env": {
"UTILIX_API_KEY": "YOUR_KEY"
}
}
}
}

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