Install Arc in Claude Code
claude mcp add arc -- npx -y @hudsonkit/arc-mcp{
"mcpServers": {
"arc": {
"command": "npx",
"args": [
"-y",
"@hudsonkit/arc-mcp"
]
}
}
}Frequently asked questions
What does the Arc MCP server do?
Author, validate, lay out, render, and diff architecture diagrams as code.
Is the Arc MCP server free?
Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.
Does Arc run locally or remotely?
Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.
How do I add Arc to Claude Code?
Run: claude mcp add arc -- npx -y @hudsonkit/arc-mcp
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