Zero-egress AI Agent Firewall: SARA prompt injection defense, AST context pruning & MCP governance.
Connect Runs on your machine
claude mcp add ctxfw -- uvx ctxfw==4.1.1
{
"mcpServers": {
"ctxfw": {
"command": "uvx",
"args": [
"ctxfw==4.1.1"
]
}
}
}
{
"mcpServers": {
"ctxfw": {
"command": "uvx",
"args": [
"ctxfw==4.1.1"
]
}
}
}
{
"servers": {
"ctxfw": {
"type": "stdio",
"command": "uvx",
"args": [
"ctxfw==4.1.1"
]
}
}
}
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Details
| Package | [email protected] (PYPI, stdio) |
| First published | 25 Oct 2026 |
| Last updated | 25 Oct 2026 |
| Registry name | io.github.heuristicolab/ctxfw |
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