"Firebase: Google's Backend-as-a-Service Platform" matching MCP connectors:
Matching Connector Tools:
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.
Verified US local service providers across 10 home-services trades. Ratings, hours, no API key.
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.
Taiwan Stock Exchange (TWSE) open data as MCP tools: stock quotes, ETF data, 140+ public datasets.
What a stock price is betting on: implied growth, duration, and margin, read from SEC filings.
Verify a US business is real and who controls it. 30.9M state registry records.
Japanese law, corporation & statistics data as MCP, normalized to English with source attribution.
Wikipedia, Wikidata and Wiktionary as clean JSON, not HTML. 1.9M searchable. Free, no auth.
Gateway between LLM agents and world data through eight tools and a bundled endpoint catalog.
National Bank of Romania (Banca Naţională a României, BNR) FX reference rates MCP. Keyless.
U.S. Bureau of Transportation Statistics (BTS) — data.bts.gov open-data portal (Socrata platform).
NASS MCP — USDA National Agricultural Statistics Service (Quick Stats)
Doffin MCP — Norwegian government public procurement notices (BYOK / platform key).
World Bank Data360 MCP — the World Bank's modern unified data platform.
Confirm a US business is real and find who controls it. 32.6M official registry records.
GETS NZ MCP — New Zealand Government Electronic Tenders Service (keyless).