"How to create a SwiftUI app using MVVM architecture" matching MCP connectors:

Open AI Visibility Index for crypto and Web3. Weekly share-of-answer measurements for 24 tracked brands across ChatGPT, Perplexity and Gemini, from a frozen versioned prompt panel. Five read-only tools: full index, per-brand lookup, brand list, complete measurement history and methodology. No auth, no API key. Data is CC BY 4.0 with a permanent archive of every weekly snapshot, so any figure can be verified independently.

Open AI Visibility Index for SaaS and AI tools. Weekly share-of-answer measurements for 20 tracked brands across ChatGPT, Perplexity and Gemini, from a frozen versioned prompt panel. Five read-only tools: full index, per-brand lookup, brand list, complete measurement history and methodology. No auth, no API key. Data is CC BY 4.0 with a permanent archive of every weekly snapshot, so any figure can be verified independently.

Search and compare attributed recipe records through a public read-only remote MCP endpoint.

Government tender search for AI agents. UK, EU and US procurement opportunities.

One MCP endpoint over 69 public PPN APIs: search_apis to discover, execute_api to call. Free tier.

A Model Context Protocol server that provides Philippine License to Sell (LTS) verification data to LLMs. Built on Cloudflare Workers with Supabase. Public, read-only, no authentication required. Data sourced from the Department of Human Settlements and Urban Development (DHSUD) License to Sell registry and cross-referenced with published real estate projects on REN.PH.

MCP server for the Philippine Standard Geographic Code (PSGC) API. Gives AI agents structured access to the full PH geographic hierarchy - regions, provinces, cities, municipalities, and barangays.

Deterministic calendars, seasons, moon phases, retrogrades, and symbolic systems as stable JSON for AI agents via MCP. Gregorian dates 1900–2100; same date → same bytes.

Real public holiday lookup for 206 countries via a rule-based calendar engine. Paid via x402.

Visa & entry requirements for 199 passports, cited to official sources and re-verified daily.

Anonymous read-only Formula 1 tools, resources, prompts, completion, and interactive dashboard.

CIA World Factbook country indicators: infrastructure, energy, demographics, economy, 2002-2026.

Read-only access to the Islam West Africa Collection via Hugging Face datasets.

Global flood events and extent 1985-present from the Dartmouth Flood Observatory and GFD.

Historical FX rates for 100+ currencies vs USD from IMF and World Bank data, 1940-present.

Global population estimates from WorldPop, 2000-2030, at country and sub-national levels.

Reverse geocode latitude/longitude to loc_id; resolve loc_ids to boundaries, centroids, hierarchy.

Global earthquake events from the USGS, 2150 BC-present: magnitude, depth, location, counts.

Global volcanic eruptions from the Smithsonian Global Volcanism Program: VEI, location, dates.

Global tsunami events from NOAA NCEI, 2000 BC-present: wave height, runups, and counts.