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The most portable thing in the agent ecosystem is a folder with a Markdown file in it. Here is the exact SKILL.md specification, the progressive-disclosure budget that makes a large skill library affordable, and the line between a skill and an MCP server.
MCP and A2A are the two agent protocols everyone names, but they solve different problems. MCP connects one agent to tools and data and already ships as an n8n node; A2A coordinates agents across vendors and is aimed at the enterprise. Here is what each means for a solopreneur
Stop leaving Claude Desktop to run n8n workflows by hand. The MCP Server Trigger node turns your existing workflows into callable tools so Claude and Cursor can invoke them directly.
Your n8n AI agent can chat, but it cannot act beyond the nodes you hard-wired. The MCP Client Tool and MCP Server Trigger change that: one gives your agent a server's worth of tools, the other turns your workflows into tools Claude can call.
