Category
Best Assertions AI Skills & MCP Servers
2 curated Assertions skills and MCP servers — install any of them into Claude, Cursor, ChatGPT, n8n, or any AI stack with one command.
Api Testing
MCP Registry
The most complete MCP server for API testing. 36 tools: HTTP requests (with token-optimized responses), assertions, request flows, OpenAPI import, mock data, load testing, collections, environments, native export/import, Postman import/export, cURL export
MCP Registry · ★ 5.0free
Assert
MCP Registry
Deterministic correctness testing for MCP servers
MCP Registry · ★ 5.0free
About Assertions skills on iClaude
iClaude is the universal install layer for AI skills. Every Assertions 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.