evident-charts: Teaches AI coding agents to make clear, honest charts, and checks each one before you see it

by rhiever · Claude Skill · ★ 57

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

How to install evident-charts

/plugin marketplace add rhiever/evident-charts
/plugin install evident-charts@evident-charts

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

Security audit verdict: SAFE · quality 70/100

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-skillschartsclaude-codecodexdata-visualizationmatplotlib

Quick Facts

Stars57
Forks4
LanguagePython
CategoryClaude Skill
LicenseMIT
Quality Score70/100
Last Updated2026-10-06
Created2026-09-25
Platformsclaude-code, codex, python
Est. Tokens~14k

About evident-charts

evident-charts Teaches AI coding agents to make clear, honest charts, and checks each one before you see it. Works in Claude Code, Codex, Cursor, and more. Left: a typical draft, with raw counts on a log scale, the EU total ranked among its own members, and rainbow colors that mean nothing. Right: the same data after evident-charts critiqued and rebuilt it.

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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 Claude Skill tools