iClaude
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Best Specification AI Skills & MCP Servers

18 curated Specification skills and MCP servers — install any of them into Claude, Cursor, ChatGPT, n8n, or any AI stack with one command.

Agent Permissions

MCP Registry

Cross-agent permission policy specification for AI coding agents

MCP Registry · ★ 5.0free

Permission

MCP Registry

Cross-agent permission policy specification for AI coding agents

MCP Registry · ★ 5.0free

Permissions

MCP Registry

Cross-agent permission policy specification for AI coding agents

MCP Registry · ★ 5.0free

Server Sdd

MCP Registry

MCP Server for Spec-Driven Development - Create and manage SDD test specifications with tasks, logs, and acceptance criteria

MCP Registry · ★ 5.0free

Openapi Generator

MCP Registry

Generates MCP server code from OpenAPI specifications

MCP Registry · ★ 5.0free

Plugin

MCP Registry

Model Context Protocol (MCP) plugin for Kubb, generating MCP-compatible tools and schemas from OpenAPI specifications for AI assistants.

MCP Registry · ★ 5.0free

From Openapi

MCP Registry

Production-ready library for converting OpenAPI specifications into MCP tool definitions

MCP Registry · ★ 5.0free

Mcp

MCP Registry

Model Context Protocol (MCP) server for Kubb, enabling AI assistants to generate code from OpenAPI specifications.

MCP Registry · ★ 5.0free

Server

MCP Registry

MCP server for Doppler API with auto-generated tools from OpenAPI specification

MCP Registry · ★ 5.0free

Mcp4Openapi

MCP Registry

Universal MCP server that generates tools from any OpenAPI specification

MCP Registry · ★ 5.0free

Agent Perms

MCP Registry

Cross-agent permission policy specification for AI coding agents

MCP Registry · ★ 5.0free

Agent Permissions Policy

MCP Registry

Cross-agent permission policy specification for AI coding agents

MCP Registry · ★ 5.0free

Agents Permissions

MCP Registry

Cross-agent permission policy specification for AI coding agents

MCP Registry · ★ 5.0free

Agents Spec

MCP Registry

Cross-agent permission policy specification for AI coding agents

MCP Registry · ★ 5.0free

Ask262

MCP Registry

MCP server for understanding Javascript internals from ECMAScript specification. Provides vector search over the ECMAScript spec, section content retrieval, and JavaScript code execution with spec section tracing via engine262.

MCP Registry · ★ 5.0free

Openapi To

MCP Registry

Convert OpenAPI specifications to MCP (Model Context Protocol) servers with optional Emcy telemetry

MCP Registry · ★ 5.0free

Api

MCP Registry

MCP Server for OpenAPI Specification

MCP Registry · ★ 5.0free

Spectool

MCP Registry

MCP server for SpecTool design specifications

MCP Registry · ★ 5.0free

About Specification skills on iClaude

iClaude is the universal install layer for AI skills. Every Specification skill on this page can be installed into Claude Code, Claude Desktop, Cursor, ChatGPT, n8n, Codex, and more — using a single copy-paste command. No config drift, no per-stack adapters, no manual MCP wiring.