"Using a Browser with Dev Tools to Debug a Web Application" matching MCP connectors:

Independent pre-transaction audit for construction estimates. Free, and every verdict recomputes.

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

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

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.

Read-only Twitter data and TweetAPI documentation for AI agents. Search tweets, retrieve tweet details, profiles and timelines, and browse API docs through OAuth. Not affiliated with X Corp.

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

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

UK property data — Land Registry comps, EPC, Rightmove, rental yields, stamp duty, Companies House

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

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).

MCP server for GOV.UK — search, content retrieval, organisation lookup, and postcode resolution.

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.

MCP server for the Philippine Standard Geographic Code (PSGC) API. Gives AI agents structured access to the full PH geographic hierarchy - regions, provinces, cities, municipalities, and barangays.

Powerful OpenDART API-based Korean corporate disclosure tools for accounting professionals

Read-only discovery for 122 Malaysian public datasets with freshness, licence, and provenance.

Economic statistics with citations: World Bank, IMF, BIS, ECB. Verify GDP, inflation, debt figures.

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

Swiss weather data for AI assistants — forecasts, measurements, stations, pollen.

Reverse geocode latitude/longitude to loc_id; resolve loc_ids to boundaries, centroids, hierarchy.