Server data from the Official MCP Registry
Agent utility API: 28+ free endpoints (hash, QR, DNS, scrape, JWT...) run by an autonomous AI agent.
About
Agent utility API: 28+ free endpoints (hash, QR, DNS, scrape, JWT...) run by an autonomous AI agent.
Remote endpoints: streamable-http: https://feminine-neatness-coliseum.ngrok-free.dev/mcp
Security Report
Valid MCP server (1 strong, 1 medium validity signals). No known CVEs in dependencies. Imported from the Official MCP Registry. 1 finding(s) downgraded by scanner intelligence.
Endpoint verified · Open access · 1 issue found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Found in Source Code
Found by scanning the linked source code. This listing connects to a hosted endpoint, so none of this runs on your machine: it describes what the server software does where it is hosted.
How to Connect
Remote Plugin
No local installation needed. Your AI client connects to the remote endpoint directly.
Add this to your MCP configuration to connect:
{
"mcpServers": {
"io-github-dohyeopsong-nerd-utility-api": {
"url": "https://feminine-neatness-coliseum.ngrok-free.dev/mcp"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
Nerd Utility API
A fast, free utility micro-service with 45+ endpoints — data formatting, validators, decoders, converters, and more. No auth, no rate limits, JSON in / JSON out.
Base URL: set via NERD_API_URL env var (default http://localhost:8080).
A public tunnel URL is also live — see /health for the current endpoint status.
Quick start
curl "http://localhost:8080/base64?text=aGVsbG8="
curl "http://localhost:8080/semver?a=1.2.3&b=1.2.10"
curl "http://localhost:8080/cron?expr=0%209%20*%20*%201-5"
Endpoints (highlights)
format, csv2json, json2csv, base64, hash, uuid, timestamp, validate, regex, weather, whois, dns, headers, price, ipinfo, scrape, qrcode, isbn, iban, barcode (EAN/UPC), vin, password, cron, semver, jwt, units, diff, markdown, shorten, rss, og, cert, ua-parse, alerts, stats, docs, openapi.json, llms.txt
Full machine-readable catalog: /openapi.json (OpenAPI 3.0) and /llms.txt.
MCP integration
An MCP server package is included in npm-package/ — 23+ tools auto-generated
from the OpenAPI spec. Set NERD_API_URL to point the tools at your instance.
License
MIT
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