crossplane-mcp-server - WIP
About
crossplane-mcp-server is a Python server that implements the Model Context Protocol (MCP) for Crossplane. It allows an LLM to talk to Kubernetes and query Crossplane-related resources such as CompositeResourceDefinition (XRD), Composition, and ManagedResource (MR).
Explore
- List Compositions
- Get a specific Composition
- List CompositeResourceDefinitions
- Get a specific CompositeResourceDefinition
- Uses stdio transport via uv and Python
- Works with VS Code and Claude Desktop
Setting up with Highlight
This MCP is not yet compatible with Highlight’s one-click setup. However, you can still use it with Highlight by following these steps:
- Download and install Highlight from highlightai.com/download
- Navigate to the plugins tab and select "Add Custom Plugin"
-
Configure the plugin with the settings below
Plugin Name
crossplane-mcp-server - WIPCommand (node, npx, python, etc.)Please refer to the README for specific instructions on how to obtain API keys or other required environment variables.
- Enable "Start Automatically" if you want the plugin to start when Highlight launches
From the repository
Using Crossplane MCP Server in vscode, add the following to mcp.json under workspace folder.
{
"inputs": [],
"servers": {
"CrossplaneServer": {
"type": "stdio",
"command": "uv",
"args": [
"--directory",
"${PATH_TO_CROSSPLANE_MCP_SERVER}/crossplane-mcp-server",
"run",
"src/server.py"
]
}
}
}
Using Crossplane MCP Server in Claude Desktop, add the following to claude_desktop_config.json.
{
"mcpServers": {
"crossplane-mcp-server": {
"command": "uv",
"args": [
"--directory",
"${PATH_TO_CROSSPLANE_MCP_SERVER}/crossplane-mcp-server",
"run",
"src/server.py"
]
}
}
}
[ ] List Compositions
[ ] Get Composition
[ ] List CompositeResourceDefinitions
[ ] Get CompositeResourceDefinition
[ ] ...TBC
Claude Desktop / Cursor
Paste into your MCP client config file to install this server.
{
"mcpServers": {
"crossplane-mcp-server - wip": {
"crossplane-mcp-server": {
"command": "uv",
"args": [
"--directory",
"${PATH_TO_CROSSPLANE_MCP_SERVER}/crossplane-mcp-server",
"run",
"src/server.py"
]
}
}
}
}McpServers
{
"crossplane-mcp-server": {
"command": "uv",
"args": [
"--directory",
"${PATH_TO_CROSSPLANE_MCP_SERVER}/crossplane-mcp-server",
"run",
"src/server.py"
]
}
}A Python server that implements Model Context Protocol(MCP) for Crossplane. It allows LLM to talk to Kubernetes and query Crossplane-related resources, such as, CompositeResourceDefinition(XRD), Composition, and ManagedResource(MR).
Usage
Using Crossplane MCP Server in vscode, add the following to mcp.json under workspace folder.
{
"inputs": [],
"servers": {
"CrossplaneServer": {
"type": "stdio",
"command": "uv",
"args": [
"--directory",
"${PATH_TO_CROSSPLANE_MCP_SERVER}/crossplane-mcp-server",
"run",
"src/server.py"
]
}
}
}
Using Crossplane MCP Server in Claude Desktop, add the following to claude_desktop_config.json.
{
"mcpServers": {
"crossplane-mcp-server": {
"command": "uv",
"args": [
"--directory",
"${PATH_TO_CROSSPLANE_MCP_SERVER}/crossplane-mcp-server",
"run",
"src/server.py"
]
}
}
}
Support tools
[ ] List Compositions
[ ] Get Composition
[ ] List CompositeResourceDefinitions
[ ] Get CompositeResourceDefinition
[ ] ...TBC
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