"Supabase (open source Firebase alternative)" matching MCP connectors:

Agent intake desk for property renovation. Read only, CORS open, fail closed, receipts recompute.

Measured share of answer for 24 crypto and Web3 brands. An open dataset, not an audit of your site.

Measured share of answer for 20 SaaS brands. An open dataset, not an audit of your site.

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.

MCP server for Brazilian Federal Senate open data (legislative, administrative, e-Cidadania).

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.

Capture a web source, or seal a hash you hold, into a signed receipt anyone can verify offline.

Maintained, source-traced record of entities and world events. Free to query, no key to read.

Open manufacturing and maker facility locations for country and facility-type queries.

US federal contracting data: open solicitations, buying agencies, contractors, price history.

Daily Argentina food & beverage price index, source-cited from public retailer prices.

Search 31,000+ open US grants, federal contracts, and foundations. Checked daily, free tier.

Verified Hamptons & North Fork data: open now, events, beaches, permits, closures.

Catch AI-fabricated citations (real DOI + fake title). Retraction, open-access, 10,000+ CSL styles.

Taiwan Stock Exchange (TWSE) open data as MCP tools: stock quotes, ETF data, 140+ public datasets.

Dutch address dossier, vehicle, building, elevation, holidays, demographics. Free samples first.

Resolve any government entity worldwide and submit service requests. Open civic data for AI agents.

Open, verified shop database for AI agents: products, offers, price comparison, trust and coupons.