"author:actions-marketplace-validations" matching MCP servers:

An MCP server for n8n that gives AI agents tools for generating workflows, linting, diagnosing failed executions, and driving live n8n instances.

MCP server that scans source code for MCP protocol features deprecated or removed by the 2026-07-28 release candidate, offering tools to inspect spec compatibility and generate migration checklists.

Enables agents to grade other MCP servers for LLM usability, covering descriptions, schema design, naming, token cost, and consistency, while also explaining grading rules.