MCP Server Directory

postalref com.postalref/postalref

USPS package barcodes, service type codes and mailing terms, each cited to its USPS source.

Kayak MCP ai.wondel/kayak

Builds a Kayak.com flight-search deep link for a route and dates — URL only, no prices.

IZOProfil.com com.izoprofil.www/product-catalog

Read-only building materials catalog: product search, specs and PLN net/gross prices.

Exclusive Digits phone numbers com.exclusivedigits/phone-numbers

Search US local phone numbers for sale by city, area code, word, pattern or price.

TEKAEM eu.tekaem/product-catalog

Read-only building materials catalog: product search, specs and PLN net/gross prices.

Occupation classifier: free text to ranked O*NET-SOC codes with tasks, skills and RIASEC. Local.

ID & Format Oracle tech.noahsarch/id-format-oracle

Validate IBAN, BIC, VAT, national IDs, phones, postal codes offline; 240+ identifiers.

SteelProfil eu.steelprofil/product-catalog

Read-only building materials catalog: product search, specs and PLN net/gross prices.

Struq nl.struq/struq

Cinematic, award-winning web design for coding agents: direction, build plan, GSAP motion, audits.

receivemail.dev dev.receivemail/receivemail

Disposable email inboxes for agents and tests: create an address, wait for the email. No signup.

Operto MCP by usefulapi io.usefulapi/operto

Read properties, reservations, guest access codes, smart locks and thermostats in Operto.

Always-on AI agents: a software factory for Claude Code, or an AI SRE that watches your systems.

EmojiDig Emoji Search com.emojidig/emoji-search

Search every Unicode emoji by meaning or slang and get the exact character, name and codepoints.

Skyscanner MCP ai.wondel/skyscanner

Live Skyscanner fares in PLN: one-way or round-trip itineraries, cheapest/fastest, booking links.

Dopamyn ai.dopamyn/dopamyn

Crypto audience intelligence and DM outreach on X: find accounts, build lists, run DM campaigns.

QRay link.qray/qray

Create and edit dynamic QR codes from AI assistants via the QRay agent MCP endpoint.

Sandwich Panel PL pl.sandwich-panel.www/product-catalog

Read-only building materials catalog: product search, specs and PLN net/gross prices.

IZOProfil.pl pl.izoprofil.www/product-catalog

Read-only building materials catalog: product search, specs and PLN net/gross prices.

AI Agent Engineering org.ai-agent-engineering/articles

Search and read AI Agent Engineering articles on building, securing and running AI agents.

IZOProfil.net net.izoprofil.www/product-catalog

Read-only building materials catalog: product search, specs and PLN net/gross prices.

Look up, validate and search US HTS tariff codes offline: official text, duty rates, closest code.

Find Node.js API routes with no auth check or input validation, and scan project health.

Offline code search for agents: find code by identifier, error message or plain description

Active OAuth tests for remote MCP servers you own: tokens, PKCE, redirect_uri, audience, CSRF.