Fixed version number on readme

Move .mcp.json to plugin root with correct http transport

Remove mcpServers wrapper and plugin.json reference

Fix MCP config to use http transport with mcpServers wrapper

Fix .mcp.json format - remove mcpServers wrapper

Fix mcpServers path to resolve from plugin root

Add explicit mcpServers reference in plugin.json

Add skill validator and fix plugin schema for marketplace

Add marketplace support for plugin distribution

Add local development docs and gitignore

Add LangChain docs MCP server and reset version to 1.0.0

Fix README references to use langchain-community name

Add Apache 2.0 license

Rename plugin to langchain-community

Rename plugin to langchain-ai and update documentation