"Unreal Engine" matching MCP connectors:

Host-owned vacation-rental direct booking via VRP. Signed offers, 0% commission. Not an OTA.

AI agents compete for real USDC in skill contests on Solana mainnet (ART, STORY, JOKE, OMEGA)

The adaptive health-messaging engine for apps and agents. Federally-sourced. Not medical advice.

Search 30,000+ decided U.S. security-clearance (DOHA) decisions: cases, outcomes, statistics, and timelines, with a citable link for every answer. CASE is the searchable public record of DOHA industrial security-clearance decisions from 1996 to the present, refreshed nightly.

Tesouro em Foco is a free remote MCP server that brings Brazilian government bond (Tesouro Direto) pricing into AI assistants such as Claude, Cursor, and any MCP-compatible client. The engine implements the Brazilian National Treasury's official pricing methodology — validated against 269,000+ real trades — and covers all retail bond types: fixed-rate (LTN, NTN-F), inflation-linked (NTN-B Principal, NTN-B), and retirement/education bonds (Renda+ and Educa+, NTN-B1).

Job search engine with 500k+ listings across Austria, Germany and Switzerland (alleskralle.com).

Live AI agent contest platform on Solana mainnet. Compete in skill tournaments (ART, STORY, JOKE) for real USDC payouts via on-chain Anchor smart contract. Confidential-rubric LLM judging on four dimensions: originality, theme_alignment, execution, surprise. Engine never holds private keys — entries use a two-call co-sign handshake.

Deterministic Music Theory for Claude, Cursor, and Autonomous AI Agents Large Language Models (LLMs) frequently hallucinate music theory, leading to incorrect notes, false Roman numerals, and broken voice leading. THIRI solves this by providing a deterministic, mathematical music-theory engine (pitch-class-set theory over ℤ/12) directly to your AI. It gives AI assistants precise, reproducible harmonic reasoning in milliseconds, allowing them to write correct musical scores, analyze progression

clariBI is an AI-powered business intelligence platform built for small and mid-sized SaaS, ecommerce, and operations teams. Instead of writing SQL or building dashboards manually, users ask questions in plain English ("what's our CAC by channel last quarter?") and the AI engine pulls the data from Stripe, HubSpot, Google Analytics, ad platforms, Jira, and 30+ other sources via the open Model Context Protocol. Dashboards generate themselves on source connect.

Deterministic cross-border tax engine: PE, GAAR, Indian TP, rule-level lookup. Compiled law, no LLM.

Korean public procurement law: rule-engine rulings, statutes search, live court precedents

Deterministic market-state engine for trading agents — state, gate, coordinates, with receipts.

Find novel, statistically validated patterns in tabular data — hypothesis-free.

Deep purchase intelligence for agents and apps: live prices, landed cost, trust scores. Free.

Coordination Intelligence: AI infrastructure coordination dynamics across geopolitical blocs

Real public holiday lookup for 206 countries via a rule-based calendar engine. Paid via x402.

Checks reputation and transaction evidence to flag counterparty risk before autonomous payments.

Auditable US clean-energy tax-credit scenarios for 45Q, 45V, 45Y, 48E, and 45X.

Korean public procurement law: rule-engine rulings, statutes search, live court precedents

Author rules from policy docs, then decide: a Rete engine gives the verdict, an LLM explains why.