chore: update n8n to 2.30.x (czlonkowski#933)

* chore: update n8n to 2.30.x

- Update the n8n dependency set for n8n 2.30.4
- Rebuild and validate the 826-node core catalog
- Refresh community nodes to 1,348 entries
- Bump n8n-mcp to 2.64.1 and refresh release metadata

Conceived by Romuald Członkowski - www.aiadvisors.pl/en

* chore: generate missing community summaries

Generate all 24 README-backed missing AI summaries with the existing Azure OpenAI deployment and document the remaining packages without retrievable READMEs.

Conceived by Romuald Członkowski - www.aiadvisors.pl/en

Author: czlonkowski

CHANGELOG.md

@@ -7,6 +7,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [2.64.1] - 2026-07-14
+
+### Changed
+
+- **Updated n8n to 2.30.x.** Bumped `n8n-nodes-base` 2.29.7 → 2.30.3, `n8n-core` 2.29.7 → 2.30.2, `n8n-workflow` 2.29.3 → 2.30.1, and `@n8n/n8n-nodes-langchain` 2.29.7 → 2.30.3. Rebuilt the node database (826 core nodes: 676 from `n8n-nodes-base` + 150 from `@n8n/n8n-nodes-langchain`).
+- **Refreshed community nodes.** Registry sync added 24 community nodes (1,324 → 1,348 total; 1,195 verified + 153 unverified). README metadata and AI summaries now cover 1,337/1,348 community nodes; the remaining 11 packages have no retrievable npm README to summarize.
+- Updated README n8n version badge and node counts (2,174 total nodes: 826 core + 1,348 community).
+
 ## [2.64.0] - 2026-07-09
 
 ### Added

README.md

@@ -5,17 +5,17 @@
 [![npm version](https://img.shields.io/npm/v/n8n-mcp.svg)](https://www.npmjs.com/package/n8n-mcp)
 [![codecov](https://codecov.io/gh/czlonkowski/n8n-mcp/graph/badge.svg?token=YOUR_TOKEN)](https://codecov.io/gh/czlonkowski/n8n-mcp)
 [![Tests](https://img.shields.io/badge/tests-5418%20passing-brightgreen.svg)](https://github.com/czlonkowski/n8n-mcp/actions)
-[![n8n version](https://img.shields.io/badge/n8n-2.29.7-orange.svg)](https://github.com/n8n-io/n8n)
+[![n8n version](https://img.shields.io/badge/n8n-2.30.4-orange.svg)](https://github.com/n8n-io/n8n)
 [![Docker](https://img.shields.io/badge/docker-ghcr.io%2Fczlonkowski%2Fn8n--mcp-green.svg)](https://github.com/czlonkowski/n8n-mcp/pkgs/container/n8n-mcp)
 [![Deploy on Railway](https://railway.com/button.svg)](https://railway.com/deploy/n8n-mcp?referralCode=n8n-mcp)
 
-A Model Context Protocol (MCP) server that provides AI assistants with comprehensive access to n8n node documentation, properties, and operations. Deploy in minutes to give Claude and other AI assistants deep knowledge about n8n's 2,150 workflow automation nodes (826 core + 1,324 community).
+A Model Context Protocol (MCP) server that provides AI assistants with comprehensive access to n8n node documentation, properties, and operations. Deploy in minutes to give Claude and other AI assistants deep knowledge about n8n's 2,174 workflow automation nodes (826 core + 1,348 community).
 
 ## Overview
 
 n8n-MCP serves as a bridge between n8n's workflow automation platform and AI models, enabling them to understand and work with n8n nodes effectively. It provides structured access to:
 
-- **2,150 n8n nodes** - 826 core nodes + 1,324 community nodes (1,177 verified)
+- **2,174 n8n nodes** - 826 core nodes + 1,348 community nodes (1,195 verified)
 - **Node properties** - 99% coverage with detailed schemas
 - **Node operations** - 63.6% coverage of available actions
 - **Documentation** - 87% coverage from official n8n docs (including AI nodes)