Narthex
fitz28824stars
Prompt-injection defenses for Claude Code. A PreToolUse Bash hook blocks compositional credential-exfiltration shapes (secret read plus network, env dump to network, remote script to shell, reverse sh
- Transport
- stdio
- Status
- Local
Power your agent
Add this server
Install from the publisher. Not a PlugMCP endpoint.
Host a copy with our keys and logs.
No packaged release in the registry yet. Follow the repository README.
RepositoryPublisher installStep-by-step: add this in Claude
Remote URL or a command on your machine? How the two installs differ
Run on PlugMCP
Host a copy with our keys and logs.
A new server you create. It is not this listing's official endpoint. Use the publisher install when you want their URL and their credentials.
LaunchServer facts
Local- Transport
- stdio
- License
- MIT
- Last checked
- 2026-10-26
- Stars
- 4
- Tools
- —
- Uptime
- —
Overview
About Narthex
Prompt-injection defenses for Claude Code. A PreToolUse Bash hook blocks compositional credential-exfiltration shapes (secret read plus network, env dump to network, remote script to shell, reverse shells). A sanitizing MCP server wraps untrusted URLs and files in sentinels, strips invisible unicode, flags jailbreaks.
Tools
Tools
No tool list yet. Remote servers get one after the first health check.
FAQ
Questions
How do I install Narthex?
Copy the stdio config for Cursor, Claude Desktop, Claude Code, or VS Code on this page. It uses the publisher's install, not a PlugMCP proxy.
Does Narthex need an API key?
No required environment variable is listed on this record.
What transport does Narthex use?
Narthex runs locally over stdio.
When was Narthex last checked?
Last checked 2026-10-26. Prompt-injection defenses for Claude Code. A PreToolUse Bash hook blocks compositional credential-exfiltration shapes (secret read plus network, env dump to network, remote script to shell, reverse shells). A sanitizing MCP server wraps untrusted URLs and files in sentinels, strips invisible unicode, flags jailbreaks.
From the publisher
Documentation
README is not crawled yet. Open the repository