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CARBON

io.github.jarbon/carbon v1.32.22-free.17
Official Registry git dev-tools
Repository

AI testing harness with Jay: risk-based checks, bug investigation, and local evidence reports.

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Install connect locally via stdio

Run in your terminal 
claude mcp add carbon -- npx -y @testers-ai/carbon-mcp
Add to claude_desktop_config.json 
{
  "mcpServers": {
    "carbon": {
      "command": "npx",
      "args": [
        "-y",
        "@testers-ai/carbon-mcp"
      ]
    }
  }
}
Add to ~/.cursor/mcp.json 
{
  "mcpServers": {
    "carbon": {
      "command": "npx",
      "args": [
        "-y",
        "@testers-ai/carbon-mcp"
      ]
    }
  }
}
Add to Cursor →
Add to ~/.codeium/windsurf/mcp_config.json 
{
  "mcpServers": {
    "carbon": {
      "command": "npx",
      "args": [
        "-y",
        "@testers-ai/carbon-mcp"
      ]
    }
  }
}
Add to .vscode/mcp.json 
{
  "servers": {
    "carbon": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@testers-ai/carbon-mcp"
      ]
    }
  }
}
Add to VS Code →
Add to cline_mcp_settings.json 
{
  "mcpServers": {
    "carbon": {
      "command": "npx",
      "args": [
        "-y",
        "@testers-ai/carbon-mcp"
      ]
    }
  }
}

Packages

npm @testers-ai/carbon-mcp@1.32.22-free.17

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