Archi
Eclipse PDE plugin for Archi that exposes ArchiMate models via MCP protocol, enabling LLMs to query, analyse, and modify Enterprise Architecture models
What is Archi?
Archi is a Model Context Protocol (MCP) server that allows AI assistants like Claude, Cursor, and VS Code to eclipse pde plugin for archi that exposes archimate models via mcp protocol, enabling llms to query, analyse, and modify enterprise architecture models
Eclipse PDE plugin for Archi that exposes ArchiMate models via MCP protocol, enabling LLMs to query, analyse, and modify Enterprise Architecture models
This server falls under the Business Applications category on MCPgee, the world's largest MCP server directory with 33,000+ servers.
Features
- Eclipse PDE plugin for Archi that exposes ArchiMate models v
Use Cases
Maintainer
Works with
Installation
Manual Installation
npx archiConfiguration
Configuration Details
claude_desktop_config.json
Performance
Response Metrics
Resource Usage
How to Set Up and Use Archi
The Archi MCP Server is an Eclipse PDE plugin for the Archi Enterprise Architecture modeling tool that exposes ArchiMate models through the MCP protocol via an embedded HTTP server. It provides 72 tools for querying, searching, creating, updating, and laying out elements, relationships, and views — enabling LLMs to analyze and modify live EA models with full undo/redo support and an approval workflow for safe mutations.
Prerequisites
- Archi 5.7 or later installed (archimatetool.com/download)
- Java 21 or later (bundled with Archi on macOS/Windows, or install separately on Linux)
- Claude Code CLI or Claude Desktop as the MCP client
- For Claude Desktop: uv installed for the mcp-proxy helper (curl -LsSf https://astral.sh/uv/install.sh | sh)
- An existing Archi model (.archimate file) to work with
Install the Archi MCP plugin
Download the latest .archiplugin release from the GitHub releases page, then install it in Archi via the plugin manager.
# In Archi: Help > Manage Plug-ins > Install New...
# Select the downloaded .archiplugin file and click OK
# Restart Archi when promptedStart the MCP server in Archi
After restarting Archi with your model open, start the MCP server from the menu. The server listens on localhost port 18090 by default.
# In Archi: MCP Server > Start MCP Server
# Default endpoint: http://127.0.0.1:18090/mcpConfigure Claude Code CLI
Register the Archi MCP server using HTTP transport in Claude Code. The server must already be running in Archi before Claude connects.
claude mcp add --transport http archi http://127.0.0.1:18090/mcpConfigure Claude Desktop (requires proxy)
Claude Desktop requires a stdio transport, so use mcp-proxy via uvx as a bridge to the HTTP server. Install uv first if needed.
{
"mcpServers": {
"archi": {
"command": "uvx",
"args": ["mcp-proxy", "--transport", "streamablehttp", "http://127.0.0.1:18090/mcp"]
}
}
}Adjust server preferences (optional)
Change port, bind address, log level, or enable TLS via Archi's preference panel before starting the server.
# In Archi: Window > Preferences > MCP Server
# Options: Port (default 18090), Bind Address, Auto-Start, Log Level, Enable TLSArchi Examples
Client configuration
Claude Desktop configuration using uvx mcp-proxy to bridge stdio to the Archi HTTP MCP endpoint.
{
"mcpServers": {
"archi": {
"command": "uvx",
"args": [
"mcp-proxy",
"--transport",
"streamablehttp",
"http://127.0.0.1:18090/mcp"
]
}
}
}Prompts to try
Example prompts for querying, analyzing, and modifying your ArchiMate EA model through Claude.
- "Give me an overview of this ArchiMate architecture model"
- "What applications support the Customer Portal capability in this model?"
- "Find all Application Services and list the systems they belong to"
- "Create a new view called 'Payment Processing Flow' and add the relevant elements"
- "Auto-layout and route all connections on the current view"Troubleshooting Archi
Connection refused at http://127.0.0.1:18090/mcp
Ensure the MCP server is started in Archi via MCP Server > Start MCP Server before connecting Claude. The server only runs while Archi is open. Check Window > Preferences > MCP Server to confirm the port matches.
Plugin does not appear in the Archi menu after installation
Verify Archi is version 5.7 or later and Java 21+ is in use. Check Help > Manage Plug-ins to confirm the plugin is listed and enabled. If it appears as failed, check the Archi error log under Help > About Archi > Installation Details > Configuration.
Claude Desktop fails with transport errors via mcp-proxy
Ensure uv and uvx are installed and on PATH (run: uvx --version to test). The mcp-proxy package is fetched automatically by uvx. If the Archi server is on a different port, update the URL in args accordingly.
Frequently Asked Questions about Archi
What is Archi?
Archi is a Model Context Protocol (MCP) server that eclipse pde plugin for archi that exposes archimate models via mcp protocol, enabling llms to query, analyse, and modify enterprise architecture models It connects AI assistants to external tools and data sources through a standardized interface.
How do I install Archi?
Follow the installation instructions on the Archi GitHub repository. Clone the repo, install dependencies, and add the server config to your AI client.
Which AI clients work with Archi?
Archi works with all major MCP-compatible AI clients including Claude Desktop, Claude Code, Cursor, VS Code (GitHub Copilot), Windsurf, and Cline.
Is Archi free to use?
Yes, Archi is open source and available under the MIT license. You can use it freely in both personal and commercial projects.
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