calculator

calculator is a skill for Claude Code from dradis/dradis-claude. It costs 0 tokens per session (2,586 once invoked), scanned A, original, GPL-2.0.

A guide for adding a Dradis risk calculator based on a published scoring model or reference calculator. Dradis is a platform for recording and managing security assessment work.

In plain words
What is it for?
Implementing calculators for security-risk models such as CVSS, DREAD, MITRE ATT&CK, or AIVSS-SSVC.
Why use it?
It gives the agent a defined process for adding a new scoring system alongside existing risk methods.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

Part of the dradis-core plugin — 4 skills shipped together

Good fit Implementing calculators for security-risk models such as CVSS, DREAD, MITRE ATT&CK, or AIVSS-SSVC.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/dradis/dradis-claude/calculator
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add dradis/dradis-claude --skill calculator
Clone the repo
git clone --depth 1 https://github.com/dradis/dradis-claude

Made for: Claude Code.

Or install dradis-core, the plugin that ships this one along with the rest of its 4 skills.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for calculator

README.md
[![agentmods](https://agentmods.dev/badge/skills/dradis/dradis-claude/calculator/github.svg)](https://agentmods.dev/skills/dradis/dradis-claude/calculator)
Your own site
<a href="https://agentmods.dev/skills/dradis/dradis-claude/calculator"><img src="https://agentmods.dev/badge/skills/dradis/dradis-claude/calculator/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for calculator

Your own site · 80×15
<a href="https://agentmods.dev/skills/dradis/dradis-claude/calculator"><img src="https://agentmods.dev/badge/skills/dradis/dradis-claude/calculator.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 0 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,586 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin unknown No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00000 $0.02586
Opus 5.5 $0.00000 $0.01034
Sonnet 5.5 $0.00000 $0.00517
Haiku 4.5 $0.00000 $0.00259

Measured 10d ago against content hash 53df27ea518d, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

calculator scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 10d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

plugins/dradis-core/skills/calculator/SKILL.md · 224 lines

The source is not reproduced here

Licensed GPL-2.0

The repository is licensed GPL-2.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 10d ago First seen · 224 lines · 0 tokens per session scan A 53df27ea518d

Subscribe to this mod's changes

calculator is a skill published in the GitHub repository dradis/dradis-claude (1 stars, last pushed 11d ago), licensed GPL-2.0. It costs nothing until one of its globs matches a file; then it loads 2,586 tokens. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-10-08.

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