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source map parser mcp for Claude Desktop

io.github.masonchow/source-map-parser-mcp

Parse JavaScript error stack traces back to original source code using source maps

client:Claude Desktop transport:stdio runtime:npm

Install source map parser mcp in Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen.

{
  "mcpServers": {
    "source-map-parser-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "source-map-parser-mcp"
      ],
      "env": {
        "SOURCE_MAP_PARSER_CONTEXT_OFFSET_LINE": "<SOURCE_MAP_PARSER_CONTEXT_OFFSET_LINE>",
        "SOURCE_MAP_PARSER_RESOURCE_CACHE_MAX_SIZE": "<SOURCE_MAP_PARSER_RESOURCE_CACHE_MAX_SIZE>"
      }
    }
  }
}

Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs

source map parser mcp in other clients