jsonshim for Claude Desktop

org.toolkitlabs/jsonshim

Recovers malformed LLM JSON. MCP build: 218/300 on MALFORMED-300 (library build 282/300).

client:Claude Desktop transport:stdio runtime:npm

Install jsonshim in Claude Desktop

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

{
  "mcpServers": {
    "jsonshim": {
      "command": "npx",
      "args": [
        "-y",
        "jsonshim-mcp"
      ]
    }
  }
}

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