"A query about frontend development or technologies" 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.

ILO labour statistics (ILOSTAT) with full provenance: source URL, vintage, license. Remote or stdio.

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.

Search and query CDC public health data — mortality, vaccinations, surveillance, behavioral risk.

Verify a US company: officers, agents, motor carriers. Flags when our status disagrees with state.

Capture a public web source and return a portable, signed evidence receipt.

Public building permits, property assessments, parcels and development intelligence.

Calibrated probability reads on world events - source-traced, publicly graded, free to query.

UN Sustainable Development Goal indicators for all 17 goals, curated by country and year. Free.

Score a river cruise date against daily water levels on the Rhine, Danube, Elbe and Seine.

World Bank World Development Indicators: curated country-year economy, health, education and more.

Data on a Federal Executive public servant in the Transparency Portal from the CPF. Platform-hosted,

Indicators for a company in the Federal Transparency Portal from the CNPJ, such as sanctions, agreem

Checks a person's link with the Child Labor Eradication Program (PETI) from the CPF and NIS. Platfor

Consumer credit check from a CPF: registration data, score, delinquencies, and history. Platform-hos

Looks up employment relationships associated with a company from the CNPJ. Platform-hosted, no crede

Summary of a person's or company's credit operations in Brazil's Central Bank credit information sys

Vehicle data from its plate or chassis, with the market value from the FIPE table. Platform-hosted,