skulto: Offline and security-first tool for syncing and managing agent skills

by asteroid-belt · Agent Tool · ★ 50

Last updated: · Indexed by AgentSkillsHub · Auto-synced every 8h

How to install skulto

brew install asteroid-belt/tap/skulto
git clone https://github.com/asteroid-belt/skulto.git

Taken from the project's README on GitHub. Check the security audit before running it.

Security audit verdict: SAFE · quality 73/100

None of the 42 rules matched — no credential harvesting, no data exfiltration, no curl-pipe-shell installer. Scanned against 42 published rules built on the SlowMist agent-security taxonomy, refreshed every 8 hours. Full audit →

The quality score combines nine heuristic checks of the repo and its README: completeness, clarity, specificity, examples, structure, agent readiness, step-by-step content, instruction quality and security notes. It rates how well the project explains itself to an agent, not the code.

agent-skillsskills-management

Quick Facts

Stars50
Forks2
LanguageGo
CategoryAgent Tool
LicenseMIT
Quality Score73/100
Open Issues2
Last Updated2026-09-07
Created2026-01-22
Platformsgo
Est. Tokens~20k

About skulto

Skulto Scan AI agent skills for prompt injection before you install them What is Skulto? Skulto is a cross-platform CLI tool for managing AI coding assistant skills across 33 platforms. It provides: Multi-platform installation - Install skills to Claude Code, Cursor, Windsurf, Copilot, Codex, Cline, Roo Code, Gemini CLI, Kiro CLI, and 25+ more Repository management - Add, sync, and remove skill...

Compatible Skills

These tools work well together with skulto for enhanced workflows:

  • skillshare — semantic(0.28)+complementary+rare_topics+same_lang+shared_platform (54%)
  • agentx — semantic(0.20)+complementary+same_lang+similar_pop+shared_platform (52%)

skulto alternative? Top 5 similar tools

Looking for a skulto alternative? If you're comparing skulto with other agent tool tools, these 5 projects are the closest alternatives on Agent Skills Hub — ranked by topic overlap, star count, and community traction.

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    HeyClaude (formerly Claude Pro Directory) is a searchable collection of pre-built AI skills, agents, MCP serve

  • ask-user-questions-mcp by paulp-o · ⭐ 147

    Better 'AskUserQuestion' - A lightweight MCP server/OpenCode plugin/Agent Skills + CLI tool that allows your L

  • RivalSearchMCP by damionrashford · ⭐ 132

    Deterministic research MCP server on FastMCP 3 — 5-engine web search, 9-platform social search, 6 academic DBs

  • agent-designer by appautomaton · ⭐ 130

    Portable SKILLs workspace for Claude Code, Codex, and Gemini — issue-driven workflows and cross-agent collabor

  • mcp-steroid by jonnyzzz · ⭐ 78

    Give your AI Agent a whole IDE, not just the files

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How this security grade is produced

Grades come from a rule-based scan built on the SlowMist agent-security taxonomy: 42 published rules, covering credential harvesting, data exfiltration, curl | sh installers and more. It is a first-layer scan, not a manual audit — we say so rather than overstate it.

The scale of the problem is documented independently: Liu et al. (2026), in a study of 31,132 agent skills, report that 26.1% contain security vulnerabilities. Our own full-catalog census is published as a citable open dataset.

Sources & who's responsible:

View on GitHub → Browse Agent Tool tools