CardRail

Bridge to OpenAI API. Access GPT, GPT-o and other OpenAI models through MCP.

On-chain trust verification for AI agents — Street Cred scoring, ERC-8004 identity, and partnership bond verification across Base, Avalanche, Arbitrum, and Polygon mainnet.

A Model Context Protocol (MCP) server that exposes public Bank of Russia (Центральный банк РФ, CBR) data — currency quotes, key rate, inflation and a compact macro snapshot — to AI agents.

The Microsoft Learn MCP Server enables clients like GitHub Copilot and other AI agents to bring trusted and up-to-date information directly from Microsoft's official documentation. It is a remote MCP server that uses streamable http. It allows to search through documentation, fetch a complete article, and search through code samples.

Trust and reputation layer for AI agents that handle money. Agent Credit Score (300-850), hash-chained ledger, behavioral finance, real payment rails (Stripe, Paystack, Lightning), autonomous shopping with escrow.

Structured AI incident reporting for EU AI Act Article 62 — generates mandatory incident reports, severity classification, root cause analysis, and regulator-ready submissions for serious AI incidents.

Real estate market intelligence, financial calculators, investment screening, and capital advisory for US investors. 86K+ locations, 23 tools.

Manage WhatsApp digital catalogs for LATAM sellers — 30 tools for products, orders, discounts, reviews, customers, shipping, and analytics.

Shop for gift cards, esims, phone topups. Pay with cards and crypto.

Remote MCP server for sommelier-grade wine pairing. 7 tools powered by a proprietary Wine DNA algorithm. API key or x402 pay-per-call.