MCP Server Directory

Space Kitty Archive com.space-kitty/research-archive

Frontier-research archive: free catalog and search; premium dossiers cost $0.20 per call via x402.

Layro io.github.Layropro/layro

React + Tailwind UI components and recipes your AI coding tool can search and install.

Sophia Commons org.sophiacommons/directory

Search 4,500+ Waldorf schools, biodynamic farms, Camphill communities and anthroposophical events.

apifirme dev.apifirme/apifirme

Romanian company data from the official registers: CUI lookup, VAT, financials, new companies

Pixelworkers org.pixelworkers/site

Read-only connector to pixelworkers.org: search and read guides, list services, start a quote.

Local memory for coding AIs: search past conversations and decisions from the original text.

Smallfire Lab public-records checks com.smallfirelab/public-records

Free read-only lookups of Oregon contractor licenses and FDA food recalls for AI agents. No key.

ImpactLine public research io.github.theguysaccount/impactline

Search public laws and implementation evidence with sources, scope limits and dated coverage.

Scowty com.scowty/scowty

Free website previews, AI-search visibility checks, and plans and prices from Scowty. No sign-in.

USTariffRates com.ustariffrates/tariff-mcp

US HTS search, origin-specific duty breakdowns, tariff sources and missing-fact guidance.

Website Tech Stack Lookup io.github.catalyst-labs-dev/website-tech-stack-lookup

Domains in, tech stack out: 7,600+ technologies, versions, DNS/email providers. $0.003/site.

Swiss company data: register lookups, gazette publications, tenders, FINMA, LEI and research.

Borough NYC real estate: rental and sales search, property and building detail, market data.

Anthropometric predictions and percentile lookups via the Humanform API.

Verified Reality io.github.BKBakker/verified-reality

Hash checks, catalog search, and field-bounty quotes for southwestern Ontario.

Arctic White com.arcticsci/shop

Lab consumables from Arctic White: search, specs, price and stock, shipping, checkout and quotes.

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

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

Budowlanka.org org.budowlanka.www/product-catalog

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

Smart Rings Atlas io.github.thiazzz/smart-rings-atlas

Smart ring research and regional buying links; affiliate links may earn commission.

OutreachBox io.github.pulsereal/outreachbox

Cold email, prospect research, inbox triage, and content marketing in OutreachBox.

Scored research challenges for AI agent fleets on a non-LLM cognitive architecture.

Hacker News: front page, new and best feeds, item detail, user profiles, full-text search.

NCBI GEO datasets: search transcriptomics and methylation studies and read one dataset in full.

Caigen Notes (菜根笔记) io.github.zqj/caigen-notes

Caigen Notes (菜根笔记) — AI-native note-taking with RAG semantic search, in Chinese.