Caldera MCP Plugin

Connect Claude to your Ignition SCADA gateway through Caldera MCP, providing 71+ tools and 5 domain skills for exploration, debugging, diagnostics, and development planning.

Install

Claude Code (plugin with skills + tools)

/plugin marketplace add jaedync/caldera-mcp-plugin
/plugin install caldera-mcp@caldera-mcp

Includes 5 workflow skills, shared reference files, and MCP server connection.

Claude Desktop (tools only)

Download caldera-mcp.mcpb from Releases, then open it to install. You'll be prompted for your Caldera MCP server URL (default: http://localhost:8765/mcp).

Or build from source:

cd desktop-extension
bash build.sh
open caldera-mcp.mcpb

Local development (Claude Code)

claude --plugin-dir ./caldera-mcp-plugin

Prerequisites

• Caldera MCP server running on your Ignition gateway
• Claude Code: v1.0.33+
• Claude Desktop: v0.10.0+

What's included

Skills (Claude Code only)

Skill	Triggers when	What it provides
exploring	Browsing project structure, listing resources	Project navigation, tag exploration, search patterns
debugging-views	Broken bindings, layout issues, data not flowing	Binding trace workflow, silent failure catalog
writing-jython	Running scripts, probing databases, testing expressions	Jython 2.7 syntax rules, bridge context, script sessions
planning	Feature requests, building new screens	Pattern analysis, component schemas, design guidance
safety-writes	Any write/delete operation (auto-activates)	Write checklist, environment classification, backup awareness

Tools (both platforms)

71+ tools across these categories:

Category	Examples
Views	read_view, list_views, read_component, search_components
Tags	browse_tags, read_tags, write_tags
Scripts	execute_script, script_session_start/eval/end, read_script
Database	run_named_query, list_named_queries
Schemas	get_component_schema, get_binding_schema, get_expression_reference
Design	get_design_guidance, search_icons
Visual	screenshot_view, get_view_console_errors
Gateway	get_gateway_health, get_gateway_diagnostics

Configuration

Claude Code

Edit plugins/caldera-mcp/.mcp.json:

{
  "mcpServers": {
    "caldera-mcp": {
      "type": "http",
      "url": "http://your-host:your-port/mcp"
    }
  }
}

Claude Desktop

The server URL is configurable during extension installation. Default: http://localhost:8765/mcp.

How it works

Claude Code    <--HTTP-->   Caldera MCP Server  <-->  Ignition Gateway
Claude Desktop <--stdio-->  mcp-remote  <--HTTP-->  Caldera MCP Server  <-->  Ignition Gateway

License

MIT