# Validation

> Browse 9 items tagged with Validation.

## Items

- [APIMatic MCP](https://mcpserver.ever.works/pl/items/apimatic-mcp) — Validates OpenAPI specs via APIMatic engine, integrates with VSCode/JetBrains for real-time linting and scoring. Key features: error reports, autocomplete for fixes, debugging API docs. Use cases: API development completion in AI agents; more comprehensive than native LSP schema validation.
- [TinyFn MCP Server](https://mcpserver.ever.works/pl/items/tinyfn-mcp-server) — Deterministic utility functions for math, validation, and data conversions. Prevents agent hallucination on basic calculations.
- [CRASH MCP](https://mcpserver.ever.works/pl/items/crash-mcp) — MCP server for structured, iterative reasoning and thinking with flexible validation, confidence tracking, revision mechanisms, and branching support.
- [Anymail Finder MCP Server](https://mcpserver.ever.works/pl/items/anymail-finder-mcp-server) — An MCP server integrating Anymail Finder so MCP agents can discover and validate business email addresses programmatically.
- [Bouncer MCP Server](https://mcpserver.ever.works/pl/items/bouncer-mcp-server) — An MCP Server integration for Bouncer’s email verification platform, enabling MCP tools to validate and verify email addresses programmatically.
- [Clearout MCP Server](https://mcpserver.ever.works/pl/items/clearout-mcp-server) — MCP Server for Clearout, providing model-context access to Clearout’s email verification and email finder capabilities for bulk and real-time use.
- [Cloudmersive MCP Server](https://mcpserver.ever.works/pl/items/cloudmersive-mcp-server) — MCP Server exposing Cloudmersive’s scalable cloud APIs (e.g., conversion, validation, security) to model-context aware applications.
- [DaData.ru MCP Server](https://mcpserver.ever.works/pl/items/dadataru-mcp-server) — An MCP Server providing access to DaData.ru’s automated data cleansing services for Russian postal addresses, phone numbers, and customer names.
- [Data247 MCP Server](https://mcpserver.ever.works/pl/items/data247-mcp-server) — An MCP Server for Data247, offering MCP-based access to its data management and lookup services for phone, email, and contact data validation.

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_Canonical page: https://mcpserver.ever.works/pl/tags/validation_