"Stack Overflow" matching MCP connectors:

Search and download high-quality stock photos and videos.

Search and download high-quality stock sound effects and music.

Free MCP: typed MELANY ratings for any US stock or ETF (11,000+) plus mortgage-rate context.

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

KOSPI/KOSDAQ closing prices and DART regulatory filings. Free, no signup, no API key.

The changelog of record for the AI stack: sunset checks, deprecations, pricing, and model events.

40+ production-ready SwiftUI recipes for building full-stack iOS apps via MCP.

Brina Gap valuation, screener and market score for US-listed stocks. SEC data, free, no key.

x402-paid agent tools: 18 over HTTP, 14 over stdio. USDC per call, no API key.

Domain & company intel for AI agents: RDAP, DNS, email deliverability, tech stack. No API keys.

Read-only paddle search, specifications, comparisons, scores, and verified purchase links.

8 pay-per-call web intelligence tools for AI agents: detect a site's tech stack and track stack changes, check domain health, extract structured data or clean markdown from any URL, turn sitemaps into knowledge bases, analyze Shopify and Zid stores. Free discovery + pricing_info; paid calls $0.01-0.02 in USDC on Base via x402 — pay only for successful runs.

Describe what's going wrong with your AI; get the named technique both of you can read. No auth.

90+ free tools, Claude & ChatGPT: prices, options, SEC filings, 13F, insider, congress, transcripts.

Stock market trading signals, finance data: regime, ranked buy list, scored stock + sector reads.

Heat pump vs gas hot water (AU): rebate stack, net outlay and payback verdict by postcode.

Scores a website's AI technology adoption using BuiltWith data.

Publisher revenue audit: ads.txt and ad-stack checks, Sulvo onboarding, and Boost ad-block recovery

Search Stack Exchange questions, fetch Q&A threads as markdown, look up tag FAQs and user profiles.

OSS libs in your stack, really used: source, tests, callers. C#, Java, TS, Python, Rust, PHP+.