"A system or program using SSE instead of STDIO" matching MCP connectors:

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.

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

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).

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.

Global volcanic eruptions from the Smithsonian Global Volcanism Program: VEI, location, dates.

Gateway between LLM agents and world data through eight tools and a bundled endpoint catalog.

Real public holiday lookup for 206 countries via a rule-based calendar engine. Paid via x402.

Live USD/PEN rate ranking of Peru's SBS-supervised online exchange houses, from comparadolar.pe

Check whether a real-world fact can be verified before an agent acts on it. Free, no auth.

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.

Hardware end-of-life dates by part number, each linked to the vendor's own bulletin.

Verify a US business is real and who controls it. 30.9M state registry records.

Read-only Wheel of Heaven corpus: myth search, primary texts, datasets, typed graph. CC0.

Query FDA data on drugs, food, devices, and recalls via openFDA. STDIO or Streamable HTTP.

Is this product recalled in the EU? 46,506 official Safety Gate alerts by GTIN, brand or name.

SingStat Table Builder MCP — Department of Statistics Singapore.