awesome-system-prompts: A collection of system prompts and tool definitions from various AI coding agents

by EliFuzz · Codex Skill · ★ 269

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

Security audit verdict: SAFE · quality 56/100

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.

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.

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Quick Facts

Stars269
Forks51
LanguageJavaScript
CategoryCodex Skill
LicenseGPL-3.0
Quality Score56/100
Open Issues2
Last Updated2026-03-06
Created2025-10-03
Platformsclaude-code, codex, gemini, node, vscode
Est. Tokens~1240k

About awesome-system-prompts

Prompt Labs - Leaked System Prompts LLMs Aider: AI-powered coding assistant that helps developers modify codebases efficiently through natural language prompts and context-aware code changes Latest Architect Mode: outlining how an AI acts as an expert architect engineer to provide clear, concise, and change-focused instructions to an "editor engineer" for modifying code within a git repository...

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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:

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