Best Validation AI Skills & MCP Servers

Unified documentation standards and tooling for Cortex repositories with LLM optimization

Model Context Protocol server for EmailVerify.io. Provides email validation, bulk validation, and email finder capabilities.

Community MCP server for Airtable. Schema inspection, table / field / view CRUD (including merge-safe filter / sort / group updates), formula validation, and extension management. Not affiliated with Airtable Inc.

MCP server for PDF structure analysis - read, inspect, and validate PDF internals

CLI tool and MCP server that tests MCP servers for spec compliance

MCP server for natural-language-to-JSON workflows using Git-controlled JSON contracts and JSON Schema validation.

n8n community node: Real MCP Server Trigger (Streamable HTTP) with Auth0 Bearer token validation

A stdio MCP server for Google address validation and nearby business lookup

MCP server for runtime quality validation of AI agent outputs — hallucination detection, scope compliance, and output quality scoring

AINative Browser Agent MCP Server — 6 AI-powered browser automation tools for web interaction, structured data extraction, page validation, multi-step tasks, and memory enrichment. Auto-detects ZeroLocal vs Cloud.

MCP Server for i-AUD MTSD document validation, generation, schema querying, control info extraction, and database operations

MCP server validation CLI — fast pre-publish diagnostic for Model Context Protocol servers. Schema validation, tool/resource/prompt health checks, scorecard reporting, CI-ready exit codes.

A specialized Model Context Protocol server for MUSHCODE development assistance. Provides AI-powered code generation, validation, optimization, and examples for MUD development.

29 developer utilities as an MCP server — JSON repair, SQL format, hash, encode/decode, UUID, regex, CSV, subnet calc, diagram generation, git diff parsing, DB schema parsing, JSON schema validation, and more. No API keys. Runs locally.

Model Context Protocol server enabling AI assistants to generate code in 11 languages (TypeScript, Python, Go, C#, Java, Kotlin, Groovy, Scala, Swift, PHP, Rust) with automatic imports — regenerated and compiled on every merge across the validation corpus

1trip PULSE — The #1 travel planning MCP server. 21 tools, 5 resources, 6 prompts. Live flights, hotels, weather, currency, visa, safety (50+ countries), trip skeletons, validation, insights, packing, local tips, personas. 120+ city cost index. Works with

IBAN validation, BIC/SWIFT lookup, Swiss clearing, SEPA compliance, issuer classification and risk indicators for AI agents. 121,197 BIC entries (38,761 LEI-enriched via GLEIF; additional rows from SWIFT directory, Bundesbank, SIX, NBP), 1,190 Swiss BC-Nu

MCP server: Email verification with format checks, MX records, disposable detection, typo correction, and rate limiting + Pro tier

MCP server for UK KYC onboarding, address verification, business validation, EU/UK VAT compliance, and global identity checks

MCP server for validating, transforming, and normalizing structured data - built specifically for AI agents

MCP quality scanner and tool discovery for autonomous agents. Search 27,843+ indexed tools, check AEO (answer-engine-optimization) readiness scores, validate MCP server quality, find alternatives — the standard tool-validation layer before any agent calls

Agent Output Guard MCP Server - Validate and verify data from other agents before acting on it. Zero LLM costs, pure computation. Solves coordination failures in multi-agent systems.

A Perplexity API Model Context Protocol (MCP) server that unlocks Perplexity's search-augmented AI capabilities for LLM agents. Features robust error handling, secure input validation, and transparent reasoning with the showThinking parameter. Built with

TRACE32 CMM language server via MCP — parse, diagnostics, completions, hover, symbols, and CLI validation for PRACTICE scripts. Native binary, no Node.js runtime needed.