MCP servers for HTTP / API

CrossingKey MCP for agent commerce, prepaid credits, and bounded paid XKEY validation.

Signed, Bitcoin-anchored observations of AI training-data disclosure; verifies silence proofs, seals

Congressional Research Service reports — Congress's own nonpartisan analysis, searchable and…

crt.sh — Certificate Transparency log search

Hosted email MCP for AI agents with inboxes, send/receive, memory, recovery, and credits.

Real-time crypto market data: candles, tickers, orderbooks across 13+ exchanges via MCP.

Real-time cryptocurrency prices, market data, and trending coins via CoinGecko.

Query cryptocurrency on-chain data, OHLCV prices, market data, and Research & QuickTake insights.

Buy gift cards and top-ups from the industry leader. 6000+ brands, 195 countries. 4.7★, 98% CSAT

CSP directive count, value discarded

CSP-Report-Only directive count, value discarded

CSR PEM fence check, body discarded

CSV Convert: the site's own MCP server — checker, enquiry (enquiry = a human handoff, not a...

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System-of-record notebook for AI coding agents: pages, datastores, tasks, skills over MCP.

Visual DeFi workflow automation on Base + Ethereum mainnet.

Cubic feet/min to m3/s, number discarded

Agent trading tools: candles, copy-trading, hire a strategy for your Robinhood vault, pay on chain

Your sales pipeline as tools: deals by stage, playbook tasks, contacts, companies, and timeline.

Culinary pinches to milliliters, number discarded

Search, compare in 3D, and buy products from 5.6M+ Shopify stores. Free tier; Pro adds checkout.