Best Schema AI Skills & MCP Servers

MCP server for PostgreSQL with full read-write support, transactions, and schema inspection. Works with any PostgreSQL instance — local, Supabase, AWS RDS, or self-hosted. Use with Claude, Cursor, Windsurf, and any MCP-compatible AI client.

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.

DeukPack — Universal schema multi-hub for Protobuf, Thrift, OpenAPI, and .deuk. Protobuf-aligned wire; fast C#/C++/JS codegen.

MCP server for analyzing and optimizing context window token usage — audit tool definitions, compress schemas, track usage, and reduce bloat

Lightweight adapter for WebMCP — define, register, and manage AI agent tools with built-in schema validation and error handling.

Security, cost, and health governance proxy for MCP infrastructure — three-layer detection engine (regex + schema + LLM), monorepo, corpus, CI/CD

MCP server for PowerPlatform schema/metadata customizations (dev/config environments)

MCP server for Metabase — 96 tools covering dashboards, cards, databases, tables, collections, public sharing, schema cache, and SQL-to-MBQL conversion

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

Model Context Protocol (MCP) server for Axolot CMS. Expose live visual slots, schema design tokens, media libraries, and blog modules directly to AI assistants like Cursor, Claude Desktop, and VS Code.

MCP server for SQLite — query databases, inspect schemas, explain queries, and export data from your IDE

Local MCP credential broker for coding agents (Claude Code, Codex, Gemini, and any other MCP-stdio client). Values never enter the AI transcript — the agent requests secrets through a schema, a localhost form lets you type them, and they land in Vault, .e

MCP server for Adobe Launch (Tags) and Adobe Experience Platform APIs — 69 tools for complete tag management, schema configuration, and data collection via Web SDK and Mobile SDK

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

The most complete MCP server for Microsoft Dataverse. 79 production-ready tools for AI agents: OData & FetchXML queries, CRUD, metadata, solutions, audit, batch operations, schema write, record access and more. Device code, client credentials, and managed

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.

MCP server for database connectivity. Multi-DB (PostgreSQL, MySQL, SQLite), connection management, schema introspection, query execution with token-optimized responses, rollback, history, elicitation for destructive ops, and prepared statements. Zero conf

Wrap any CLI as a Model Context Protocol (MCP) server for Claude, ChatGPT, Cursor, Gemini and any MCP-compatible client — schema auto-inferred from --help.

Local web Studio for testing natural-language-to-JSON workflows with JSON Contracts.

Build n8n workflows from text using AI. Connect to Claude, Cursor, or any LLM to generate and validate n8n workflows with expert knowledge and intelligent auto-fixing. Built by FlowEngine. Now with real node parameter schemas from n8n packages!

Test your MCP servers for breaking changes. Checks capabilities, invokes tools, detects schema drift between versions.

Open-source MCP server to publish to Dev.to, Ghost, Hashnode, WordPress, Medium, Substack, LinkedIn, X, Bluesky, and Mastodon from Claude Code. Local stdio, no cloud relay. Includes SEO scoring, JSON-LD schema, canonical-URL wiring, social-post generation

Lint your MCP server for protocol compliance, schema violations, security issues, and performance best practices.