MCP Server Directory

Professor Otter com.professorotter/activities

Free printable kids activities: word searches, mazes, color by number, sudoku and more.

US Federal Regulations (CFR) app.openkrill/rules

Read a CFR or eCFR section, or search US federal regulations and the Federal Register.

HotelsCasa com.hotelscasa/hotelscasa-mcp

Travel search: 1.3M hotels and apartments, owner homes, tours, flights, taxi, car rental.

Holon com.useholon/holon

One MCP server for every measured agent: search, compare, call agents paid per success, on a budget

Thin MCP wrapper for the Tengence Search SaaS: push data and search via official APIs.

SEC EDGAR company filings, XBRL facts, and full text search for public companies. No key required.

AppHitlist com.apphitlist/mcp

App Store research: new winning apps, chart risers, revenue figures, complaints and Meta ads.

Mike Reams: architecture writing, diagrams and toolbox com.mikereams/site

Read-only search of mikereams.com: CSDM diagrams, posts and the Architect's Toolbox

Look up DNS records for any domain using Google DNS over HTTPS. No key required.

Look up protein structures and search the RCSB Protein Data Bank. No key required.

Athaus Immobiliensuche ai.athaus/immobiliensuche

Find a home in Germany: search athaus listings, save searches, send enquiries and book viewings.

iposignal xyz.iposignal/iposignal

IPO deal terms, SEC filings, AI research and sentiment, plus live valuation metrics for US stocks.

CompanyStack uk.co.companystack/mcp

UK company data: search, officers, owners, shareholders, filed accounts, new companies, KYB checks.

Protocol Guide io.github.thefiredev-cloud/protocol-guide

Cited US EMS protocol search by agency and state, with exact protocol-number lookup.

SoldFetch io.github.ricciflow-api/soldfetch

Search eBay sold and active listings, browse categories, and retrieve item details.

Wiza io.github.pipeworx-io/wiza

Wiza MCP — wraps the Wiza 'Individual Reveal' phone-lookup API (wiza.co)

Search Raindrop.io bookmarks and review tag and collection plans. Read-only MCP by default.

AIHOT io.github.KKKKhazix/aihot

Chinese AI news: search topics, explore hot events, and read daily, weekly and monthly briefs.

Resume Booster Job Board work.resumebooster/jobs

Job search over employers' own hiring systems. Search with no key; a free key opens every read tool.

Search and create LinkJumkey link buttons from AI apps. Needs LinkJumkey Desktop on the same PC.

Godot Asset Library search and asset metadata.

Audit a site for SEO and AI search, check localhost pages, and apply or open PRs for fixes.

AET Machine Commerce io.github.mnvhmslf/aet-machine-commerce

Read-only PAPER market research for autonomous agents; no live trading or alpha claim.

Dragons Eye Ransomware Claims com.ransomware-tracker.api/dragonseye

Ransomware claim lookups, IOC and CVE intel, group intel, bulk checks and watch alerts (x402 USDC).