grim-prompter: Threat modeling for AI coding agents: point Claude Code, Codex or any agent at your repo and get

by jmanico · Codex Skill · ★ 145

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

How to install grim-prompter

git clone https://github.com/jmanico/grim-prompter.git ~/grim-prompter

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

Security audit verdict: SAFE · quality 65/100

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.

ai-agentsappsecclaude-codecodexlinddunllmpastaprompt-engineeringsecuritystride

Quick Facts

Stars145
Forks14
CategoryCodex Skill
LicenseMIT
Quality Score65/100
Last Updated2026-10-29
Created2026-10-28
Platformsclaude-code, codex
Est. Tokens~18k

About grim-prompter

Grim Prompter Threat modeling for AI coding agents. Point Claude Code, Codex or any coding agent at your repo. Get a threat model traced to your code. Threat model your project with Claude Code, Codex, or another coding agent. Grim Prompter provides 36 architecture workflows and 29 method and analysis prompts.

Compatible Skills

These tools work well together with grim-prompter for enhanced workflows:

  • tachi — semantic(0.45)+complementary+rare_topics+similar_pop+shared_platform (65%)

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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 Codex Skill tools