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io.github.heuristicolab/ctxfw

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Publisher-provided description

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

Summary by lookupd

Screens agent prompts for injection attacks, prunes code context via syntax trees, and enforces policy on MCP tool calls without sending…

Install

Claude Code, pypi package (stdio)

claude mcp add ctxfw -- uvx ctxfw

Codex, pypi package (stdio)

codex mcp add ctxfw -- uvx ctxfw

Cursor, pypi package (stdio) → .cursor/mcp.json

{
  "mcpServers": {
    "ctxfw": {
      "command": "uvx",
      "args": [
        "ctxfw"
      ]
    }
  }
}

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