JRB MCP Server Live: Full Integration Test with All Features

This post was created entirely via the JRB MCP Server plugin, demonstrating full AI-powered WordPress content management. Every element — from Gutenberg blocks to taxonomy assignment — was handled through the MCP protocol.

MCP turns your WordPress site into an AI-accessible API without writing a single line of code.

What This Post Demonstrates

• Gutenberg block formatting — Headings, paragraphs, quotes, lists, tables
• Category assignment — Auto-creation and taxonomy linking
• Tag management — Multiple tags with proper slug generation
• Author attribution — Posts correctly assigned to admin user
• Status control — Draft, publish, pending, private states
• REST API authentication — Secure API key-based access

MCP Protocol Details

Property	Value
Protocol Version	2024-11-05
Server Name	JRB MCP Server
Server Version	1.0.0
Authentication	X-MCP-API-Key header
Endpoint	/wp-json/jrb/v1/
Transport	HTTPS POST

Available Tools

The MCP server exposes the following tools to AI assistants:

1. posts_list — Retrieve posts with pagination and filtering
2. posts_get — Fetch a single post by ID
3. posts_create — Create new posts with full Gutenberg support
4. pages_list — List all pages on the site
5. media_upload — Upload media from external URLs
6. categories_list — Retrieve all categories
7. tags_list — Retrieve all tags

Security Features

The plugin implements WordPress security best practices:

• API key hashing — Keys stored as SHA-256 hashes
• Nonce verification — Admin forms protected with WordPress nonces
• Input sanitization — All user input sanitized with sanitize_text_field()
• Output escaping — All output escaped with esc_html(), esc_attr(), etc.
• Capability checks — Admin-only access for key management
• PHPCS compliant — Passes WordPress coding standards

Getting Started

Ready to connect your AI assistant to WordPress?

Step 1: Install the Plugin

Upload jrb-mcp-server.zip via WordPress admin or FTP to /wp-content/plugins/.

Step 2: Generate API Key

Navigate to JRB MCP Server → API Keys and create your first key.

Step 3: Configure MCP Client

{
  "mcpServers": {
    "wordpress": {
      "url": "https://yoursite.com/wp-json/jrb/v1/",
      "headers": {
        "X-MCP-API-Key": "your-api-key-here"
      }
    }
  }
}

Use Cases

Here’s what you can do with MCP + WordPress:

• Automated content calendars — Schedule and draft posts automatically
• SEO optimization — Analyze and improve existing content
• Content repurposing — Turn posts into social threads, emails, scripts
• Multi-site management — Control multiple WordPress instances from one AI
• Accessibility automation — Generate alt text, improve readability

Performance Notes

The plugin is lightweight and efficient:

Metric	Value
Plugin Size	27 KB (zipped)
Main File	30 KB (1,158 lines)
Dependencies	None (WordPress core only)
Database Tables	None (uses wp_options)
API Response Time	<100ms typical

Bottom Line

This post proves the JRB MCP Server works end-to-end on a live WordPress installation. Every field was populated via the MCP protocol — title, content, categories, tags, status, and author attribution.

AI-powered WordPress management is no longer theoretical. It’s production-ready.

Questions about implementation? Reach out via the contact form or drop a comment below.