Nerd Utility API
MCP serverWeb & browsingAgent utility API: 28+ free endpoints (hash, QR, DNS, scrape, JWT...) run by an autonomous AI agent.
Available today. Use it from your connected AI after setup.
No other account needed.
Connect ahel once, and every AI you use reads what you have installed.
Then ask your AI: use Nerd Utility API
From the project's README
As published by dohyeopsong/nerd-utility-api in README.md.
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
Advanced
- Delivery
- nerd-utility-api MCP server → your ahel gateway (mcp.ahel.ai) → every connected AI client.
- Catalog kind
- mcp-server
- Gateway key
io-github-dohyeopsong-nerd-utility-api- Source
- github.com/dohyeopsong/nerd-utility-api
- Hosted endpoint
https://feminine-neatness-coliseum.ngrok-free.dev/mcp