"Information about PostgreSQL, a relational database system" 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.
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.
Open, verified shop database for AI agents: products, offers, price comparison, trust and coupons.
Free fan-convention data for AI agents: dates, registration windows & table costs, US & Canada
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.
Hardware end-of-life dates by part number, each linked to the vendor's own bulletin.
Gateway between LLM agents and world data through eight tools and a bundled endpoint catalog.
Colorado open data via Socrata SoQL — business, government, health, demographics.
National Bank of Romania (Banca Naţională a României, BNR) FX reference rates MCP. Keyless.
Kolada (RKA) MCP — Sweden's municipal & regional key-performance-indicator (KPI) database.
GBIF MCP — wraps the Global Biodiversity Information Facility API v1 (free, no auth)
Bank of England Interactive Statistical Database (IADB) MCP.
CFPB MCP — Consumer Financial Protection Bureau complaint database (free, no auth)
Confirm a US business is real and find who controls it. 32.6M official registry records.
OpenStreetMap Overpass MCP — programmatic queries against the OSM database
geoBoundaries MCP — open database of political administrative boundaries.