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jsonc mcp for VS Code

io.github.mrfentmen/jsonc-mcp

Work with JSONC offline: strip comments and trailing commas, parse to JSON and locate errors

client:VS Code transport:stdio runtime:npm

Install jsonc mcp in VS Code

.vscode/mcp.json 

{
  "servers": {
    "jsonc-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@mrfentmen/jsonc-mcp"
      ]
    }
  }
}

Requires agent mode. MCP: Open User Configuration puts the same block in every workspace. VS Code docs

jsonc mcp in other clients

jsonc mcp MCP server