"Unreal Engine" matching MCP connectors:

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).

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

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

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

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.

R_net LP risk evaluator for DeFAI agents. IL + Breakeven Corridor O(1). L402 Lightning paywall.

Deterministic Czech OSVC tax tools for 2026: tax, insurance, deadlines, VAT and exchange rates.

MCP server exposing the Backtest360 engine API as tools for AI agents.

Standardized DCF valuation engine for stocks (A-shares, Hong Kong, US, Japan). Two-phase analyst workflow via one run_dcf tool: baseline from 5-year historicals, then a final valuation with reasoned assumptions — value bridge, sensitivity matrix, reverse DCF. A-shares & HK need no API key.

Live trading-pipeline intelligence for AI agents: signal evaluation by a real calibrated engine with glass-box explanations, pipeline calibration telemetry, recorded outcome reports, and SEC-filing catalysts. Free beta keys + x402 USDC pay-per-call.

Free agent discovery + paid x402 research (outline 0.01 / brief 0.02 USDC Base).

Deterministic market-state engine for trading agents — zero LLM in the signal path. 8 tools: structural market state & phase, action gate (GO/WATCH/HOLD) as a transition posture, entry/target/invalidation coordinates, bar-by-bar state timeline, composed view cards, and pre-trade intent validation. Every output traces to a bar-stamped ledger with a public daily self-scoring track record (misses included). Crypto + TradFi synthetics (gold, oil, S&P 500, Tesla, NVIDIA, KOSPI 200).

Live BTC/ETH risk state: risk policy, market structure and trading playbooks. Keyless free tier.

Sourced Italian tax tools for AI agents: cited primary-source search + a deterministic tax engine.

Parametric estimating engine: CESMM4/NRM2/SMM7/MMHW Bills of Quantities for civils assemblies.

Validated trading edges across futures, equities, crypto. Live signals, full audit trail.

Biotech rNPV/PoS engine for AI agents. Signed exports, evidence register, asset landscape.

Deterministic MLP tax engine with IRS citations. 6 tools: basis, §751, estate, projections.

Deterministic MLP tax computation engine. 6 tools: basis projection, estate planning, sell vs hold comparison, MLP vs ETF tax analysis, distribution stress test, and MLP reference data. Returns IRS-cited calculations for K-1 basis tracking, §751 recapture, and §199A QBI.