MCP servers for HTTP / API

The first inbox built for you and AI: mail, newsletters, notes, and crosswalks agents share.

Cross-venue Polymarket+Kalshi arbitrage: resolution mismatch, void risk & settlement divergence.

Publish the apps you build with AI and share them like a Google Doc, with data, files and AI.

AI-agent probability research with one-call preflight and human-gated XRP activation.

MCP server for Crowdin — projects, files, strings, translation progress, tasks, and members.

Agents run synthetic focus groups over MCP against census panels that disagree.

Pay-per-call crypto intelligence: 50 tools, own BTC/Kaspa/Bittensor nodes, x402 USDC, no API key.

Kalshi 15-minute crypto markets, perps funding, liquidation math and bitcoin model edges.

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

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

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

Self-curating memory your AI tools share: provenance, verified citations, and trust tiers.

CSP-Report-Only directive count, value discarded

Simulate a CSV import against a supplied typed column contract and return exact accepted rows, re...

Certificate Transparency search: subdomains, certificate history and hostname keyword search.

Persistent memory for AI agents: keyed facts, a wake bundle each session, one memory in every model.

Cubic feet/s to m3/s, number discarded

Generate video and images with prepaid USD billing and explicit per-job spending limits.

AI title risk analysis for US real estate closing docs. Get an API key at curagent.io

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

ISO 4217 currency CHF.