kastelldev/kastell

v2.2.4 Security

This release includes 1 security fix for security teams reviewing exposed deployments.

Published 27d Server & OS Management

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✓ No known CVEs patched

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This release patches 1 known CVE

Topics

automation cli coolify devops digitalocean docker

+10 more

dokploy hetzner linode mcp security-audit self-hosted server-management typescript vps vultr

Affected surfaces

auth

Summary

AI summary

Added MCP structured content and shared schemas for type‑safe AI model consumption.

Full changelog

Added

MCP Structured Content — all 17 MCP tools now return structuredContent with Zod outputSchema for type-safe AI model consumption
Shared MCP schemas — reusable Zod schemas in src/mcp/schemas/ (audit, common, health, server)
MCP SDK round-trip tests — 26 tests verifying normalizeObjectSchema + safeParseAsync for all 17 outputSchemas
Plugin manifest — .claude-plugin/plugin.json with mcpServers, skills, hooks for Claude Code plugin distribution

Fixed

outputSchema wrap pattern — z.discriminatedUnion wrapped in z.object({ result }) to satisfy MCP SDK's normalizeObjectSchema
Plugin manifest paths — ./ prefix required for CC plugin validator; agents field removed (unsupported)
ip-address XSS vulnerability — override to ^10.1.1 (dependabot #9)

Changed

P131 code quality sweep — catch blocks with debugLog, console.log→logger migration
P130 file split — interactive.ts → 8 modules, lock.ts → 8 modules

Security Fixes

ip-address XSS vulnerability fixed; dependency upgraded to ^10.1.1

View diff on GitHub

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About kastelldev/kastell

Server security auditing and hardening toolkit. 413 security checks across 29 categories (SSH, Firewall, Docker, TLS, HTTP Headers), CIS/PCI-DSS/HIPAA compliance mapping, 19-step production hardening, fleet management, and forensic evidence collection. Supports Hetzner, DigitalOcean, Vultr, and Linode. 13 MCP tools.

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