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ctxfw

io.github.heuristicolab/ctxfw v4.1.1
Official Registry git security
Repository

Zero-egress AI Agent Firewall: SARA prompt injection defense, AST context pruning & MCP governance.

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Install connect locally via stdio

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

Packages

pypi ctxfw@4.1.1

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