"How to interact with the Notion API" matching MCP connectors:

Read-only breach intel, full history 2007-today: reports THAT an org was breached, never the data.

MCP server for live, sourced Brazilian public data from the official IBGE APIs.

US funding-stress warning with construction-PIT evidence limits and explicit eligibility flags.

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.

Live internet-censorship signals and tamper-evident, pre-registered, hash-chained AI model evals.

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

French & European company registry for AI agents: KYB, sanctions, annual accounts. x402, no API key.

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

Access the latest technology news from NewTqnia.com through the Model Context Protocol. Search articles, retrieve structured news content, browse categories, tags, and timelines, and access authoritative technology reporting for AI assistants, research, and automation.

Public, read-only MCP over the complete 64-hexagram I Ching corpus. Deterministic lookup only.

Verified US local service providers across 10 home-services trades. Ratings, hours, no API key.

Search scientific papers with structured experimental data from full-text studies

City geocoding and timezone resolution for birth data, for AI agents, one API key.

Official Dubai real estate data: live prices and rental yields by area, from the DLD.

An MCP server that audits the fairness of construction and renovation estimates in Japan. Provides fair-price ranges, overcharge detection, and verifiable unit-cost data based on JCCDB (65,729 items, DOI-backed).

US crime scores, incidents, neighborhood demographics, rent data, and offender search by address.

Free, keyless real-time air quality (US AQI plus PM2.5, PM10, ozone, NO2, SO2, CO) for any city.

Search and trace US federal rules across the Federal Register, eCFR, and Regulations.gov.

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.