Narthex

security MCP Server

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.

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securitysecurity
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Why This Matters

Discovered via github-topic:model-context-protocol and last synced 3mo ago.

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github-topic:model-context-protocol
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Last synced
3mo ago
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