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MCP server · Files

Narthex

by · github.com/fitz2882/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.

Unclaimed ai-safetyai-securityanthropicclaudeclaude-codehooksindirect-prompt-injectionllm-securitymcpmcp-servermodel-context-protocolprompt-injectionsecurity
InstallView source
34Low

Scored 28 days ago · breakdown

About Narthex

Narthex is an MCP server published by fitz2882 in the Files category: 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.

The repository has 4 stars and 0 forks.

Install

From source
git clone https://github.com/fitz2882/narthex

This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.

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About Narthex

How do I install Narthex?

No package has been published for this server, so install it from source: clone the repository and follow its README.

Is Narthex safe to use with an AI agent?

Its trust score is 34 out of 100 (low). Conduid hasn't run static security checks on this repository yet, so review the source yourself before granting it credentials. It has no ConduID identity yet, so agent calls to it are not receipted.

Is Narthex still maintained?

Conduid hasn't recorded a commit date for this repository yet. Check the repository directly for recent activity.