Constellation MCP Server: Install & Setup

Install Constellation in Claude Code

Claude Code

claude mcp add constellation -e CONSTELLATION_ACCESS_KEY=... -- npx -y @constellationdev/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "constellation": {
      "command": "npx",
      "args": [
        "-y",
        "@constellationdev/mcp"
      ],
      "env": {
        "CONSTELLATION_ACCESS_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Constellation MCP server do?

Code Intelligence Platform for AI Coding Agents

Is the Constellation MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Constellation run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Constellation to Claude Code?

Run: claude mcp add constellation -e CONSTELLATION_ACCESS_KEY=... -- npx -y @constellationdev/mcp

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