"Box" matching MCP connectors:

Docs: https://docs.keenable.ai/mcp-server Keenable is a free, remote MCP server that gives agents access to the web index. Search the web with ranked results and date/site filters, then fetch any indexed page as clean markdown. Works out of the box with no account or API key.

Paid web research, news, prediction-market evidence, company briefs and fact-checks (x402 USDC)

Free check whether a website is technically open to AI assistants (AI crawlers, llms.txt, JSON-LD).

REG-VaultA

org.regvault.api

Open retro-gaming metadata catalog — 91,000 games, 99 systems. Box art, manuals, screenshots, gameplay previews. Free MCP + REST API.

Web scraping for AI agents. Extract text and metadata from any URL worldwide. $0.005/page.

MCP server aggregating hot-search boards from 8 Chinese platforms (Weibo, Zhihu, Bilibili, Douyin).

Amazon Buy Box price, seller and stock per ASIN, with a monitor mode that reports only changes.