How do I install Rarefaction?

Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.

Is Rarefaction official?

No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.

How is the trust score calculated?

This listing scores 55 (Fair). The formula is published on the methodology page.

MCPpedia

Rarefaction MCP Server | MCPpedia

Rarefaction MCP Server

Name: Rarefaction MCP Server
Author: ip2k

LSP call graph for coding agents: a symbol's callers, callees, tests and live files in one call.

Tools Versions Alternatives

Registryip2k

55Fair

Install

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "ip2k-rarefaction": {
      "command": "npx",
      "args": [
        "-y",
        "rarefaction-lsp-mcp@0.3.1"
      ]
    }
  }
}

Install guide

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Rarefaction MCP Server

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