Best Validation AI Skills & MCP Servers

High-performance API and Model Context Protocol (MCP) server for validating Mermaid diagrams with comprehensive security features, multiple transport options, and enterprise-grade capabilities

Traseq MCP server, CLI, and SDK for AI-assisted trading strategy research, SignalGraph authoring, validation, backtesting workflows, and system template composition.

Czech VAT compliance tools. Check unreliable VAT payers (nespolehlivý plátce DPH), registered bank accounts, company lookup via ARES, and EU VAT validation via VIES. Essential for Czech/Slovak businesses to avoid VAT liability under §109 ZDPH.

The base layer for AI agents. Five APIs: task deduplication, cost prediction, output validation, behavioral governance, and shared failure intelligence. 1,000 free credits/month, no card required.

Search Zod v4 documentation and public references. Ask targeted questions about features, concepts, and troubleshooting to get concise answers. Accelerate schema design and validation workflows in your project.

StratProof runs honest backtests: real fees, real slippage, walk-forward validation. Six public tools, no OAuth. Call prove_strategy to test any strategy description ("Buy ETH when RSI(7) below 25, exit on 1.5% gain") and get a CONFIRMED / MIXED / DEBUNKED verdict with diagnosis.

Streamline technical workflows with a comprehensive suite of data transformation and validation utilities. Convert between diverse formats like JSON, CSV, and Markdown while managing encodings and identifiers efficiently. Enhance productivity by performing complex text analysis,

Design, validate, and deploy complex automated skills and cross-skill solutions with confidence. Accelerate development using built-in templates, examples, and a rigorous five-stage validation pipeline. Monitor and update deployed services incrementally to maintain high-quality s

270+ quality-scored API capabilities for AI agents — compliance, company data, financial validation, web intelligence across 27 countries.

Aleatoric Engine is deterministic market simulation infrastructure for generating reproducible, schema-stable synthetic market data used in financial research, validation, and systems testing. It prioritizes explicit configuration, reproducibility, and operational clarity over st