The Water Hub: the site's own MCP server — dataset; every answer cites the site.
56,156 MCP servers
914 paid market-data & token-safety endpoints — keyless x402 USDC: Base, Solana, XRPL, +8 chains
Search Christian Perez's blog, read posts, and ask about his work, podcast, and writing.
Scholarly search: OpenAlex, Crossref, arXiv, OpenCitations and PubMed in one endpoint.
8 real-estate tools: Zillow, Redfin, Realtor listings, sales, rentals.
CoinGecko-backed live prices, market caps, DeFi metrics — no per-user API key needed.
Stocks, crypto, FX, and portfolio math in one tool — no per-source API juggling.
Redfin listings, sale-comps, and neighborhood market data via natural-language queries.
Post + comment + subreddit search with comment-level depth for sentiment work.
Live and historical NBA/NFL/NHL data — fantasy bots, content sites, betting research.
Booking.com, Airbnb, TripAdvisor unified — for AI travel concierges and trip planners.
Forecasts, climate history, severe alerts by location — for outdoor-event planners.
Verified agentic-commerce protocol status + merchant agent-readiness reports. Free on testnet.
Check live availability and book therapy sessions with a Malayalam-speaking psychologist.
Search TAAFT for AI tools and retrieve public tool details.
TheSignup MCP server — read and manage signups, participants, webhooks, and analytics.
Verify stock theses against public filings with a source-backed evidence ledger.
Remote MCP for options GEX, flow, IV, and wheel. Pro tvk_ key.
Live PR/MR code reviews via review_url_code. OAuth or portal Bearer auth.
Thor Henning Hetland's signed knowledge web: plan, load and verify ed25519-signed KCP units.
Read-only MCP over an agentic SLR workspace with per-claim citation verification