218+ 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 218+ battle-tested utilities via API, SDK, and MCP server.

API & SDK docsBrowse tools
Browser tools218+ tools, no loginREST API10k req/day on ProNode SDK618 functions, offlinePython SDK474 functions, offlineMCP Server171 tools in Claude & Cursor

Recently added

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codeNew
CSV Duplicate Row FinderFind duplicate rows in CSV or TSV data by comparing the whole row or a chosen set of key columns, and see exactly which data rows each duplicate group appears at.
networkNew
HTTP Range Request Header BuilderBuild an HTTP Range request header from byte ranges (explicit, open-ended, or last-N-bytes), and parse a server's Content-Range response to verify what it actually sent back.
networkNew
HTTP ETag GeneratorGenerate a content-hash ETag response header value using MD5, SHA-1, or SHA-256, with strong or weak (W/) validator syntax, ready to drop into a server response.
mathNew
Cash Denomination / Till CalculatorBreak a cash total down into the minimum count of bills and coins from a set of denominations, or compute change owed and its breakdown from an amount due and amount tendered.
networkNew
Email Header AnalyzerParse a raw email header block into structured From/To/Subject fields, the Received hop chain, and SPF/DKIM/DMARC results from an Authentication-Results header.

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
218+ tools, client-side only, no login
MCP-ready for AI agents
171 tools in Claude Desktop & Cursor
REST API
Every tool at api.utilix.tech/v1
Node & Python SDK
618 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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