quick

quick is a skill for Claude Code from oliver-kriska/claude-elixir-phoenix. It costs 31 tokens per session (795 once invoked), scanned A, original, MIT.

A guide for making small Elixir and Phoenix code changes directly, without a separate planning process.

In plain words
What is it for?
Use it for small tasks such as adding validations, changing routes, updating components, creating migrations, or fixing a redirect.
Why use it?
It keeps narrowly scoped changes focused while still requiring checks such as compilation, formatting, and security review.

Skill for Claude Code

Written for Claude Code: effort in frontmatter.

Part of the phx plugin — 50 skills, 26 agents, 8 hooks shipped together

Good fit Use it for small tasks such as adding validations, changing routes, updating components, creating migrations, or fixing a redirect.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/oliver-kriska/claude-elixir-phoenix/quick
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 oliver-kriska/claude-elixir-phoenix --skill quick
Clone the repo
git clone --depth 1 https://github.com/oliver-kriska/claude-elixir-phoenix

Made for: Claude Code.

Or install phx, the plugin that ships this one along with the rest of its 50 skills, 26 agents, 8 hooks.

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 quick

README.md
[![agentmods](https://agentmods.dev/badge/skills/oliver-kriska/claude-elixir-phoenix/quick/github.svg)](https://agentmods.dev/skills/oliver-kriska/claude-elixir-phoenix/quick)
Your own site
<a href="https://agentmods.dev/skills/oliver-kriska/claude-elixir-phoenix/quick"><img src="https://agentmods.dev/badge/skills/oliver-kriska/claude-elixir-phoenix/quick/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 quick

Your own site · 80×15
<a href="https://agentmods.dev/skills/oliver-kriska/claude-elixir-phoenix/quick"><img src="https://agentmods.dev/badge/skills/oliver-kriska/claude-elixir-phoenix/quick.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 31 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 795 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. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 3 findings, up to high

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • high YARA Match · line 28
    YARA rule matched a hack tool or exploit indicator (offensive tools, reconnaissance, privilege escalation, or exploit frameworks).
    Fix: Remove offensive tool references and exploit code. Legitimate agent skills should not contain penetration testing tools, exploit frameworks, or reconnaissance utilities.
  • high Prompt Injection · line 43
    This pattern attempts to override system instructions or ignore safety constraints. Without LLM analysis, manual review is recommended.
    Fix: Remove or rewrite any text that instructs the agent to ignore prompts, override safety rules, or trust unverified content. Ensure skill content cannot be injected to alter agent behavior.
  • medium Excessive Agency · line 41
    Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.
    Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.
How audits are shown
Origin original 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 $0.00031 $0.00795
Opus 5.5 $0.00012 $0.00318
Sonnet 5.5 $0.00006 $0.00159
Haiku 4.5 $0.00003 $0.00080

Measured 21d ago against content hash 2fa559bf0c76, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

quick 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 21d 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.

Origin

Copies of this mod

2 near-identical copies found in the catalogue:

plugins/elixir-phoenix/skills/quick/SKILL.md · 157 lines

How it starts

The opening of the file, as written. The whole thing — 157 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Quick Mode

Skip the planning ceremony. Get working code fast.

Usage

/phx:quick Add pagination to posts
/phx:quick Fix the login redirect bug
/phx:quick Add CSV export to reports

Arguments

$ARGUMENTS = What to implement

How It Differs

Normal Mode Quick Mode
Spawn research agents No agents
Create plan document Mental model only
Parallel review Optional single review
Multiple iterations Single pass

Workflow

  1. Understand - Read the files the change touches
  2. Implement - Write code directly
  3. Verify - Quick compile check
  4. Done - No ceremony

Iron Laws

  1. NEVER skip verification — run mix compile --warnings-as-errors after every change, even in quick mode
  2. DO NOT touch files outside the stated scope — quick mode means minimal blast radius; if a fix requires changes across multiple domains, escalate to /phx:plan
  3. NEVER bypass security checks for speed — auth, input validation, and XSS rules apply regardless of change size

Rules in Quick Mode

Still Enforced (Iron Laws)

  • ✓ No process without runtime reason
  • ✓ No DB in mount
  • ✓ Security basics (no SQL injection, etc.)
  • ✓ Run mix format

Skipped

  • ✗ Parallel agent research
  • ✗ Written plan document
  • ✗ Multiple review passes
  • ✗ Documentation updates

When to Use

Good for:

  • Bug fixes with clear solution
  • Small features (<100 lines)
  • Refactoring with tests
  • Adding fields/columns
  • UI tweaks

Not for:

  • New authentication flows
  • Payment integration
  • Data migrations
  • Architectural changes
  • Anything touching security

Quick Patterns

Add Field

/quick Add phone field to users

→ Migration + schema + changeset + form field

Fix Bug

/quick Fix: posts not showing for admin users

→ Find issue + fix + verify

Add Endpoint

/quick Add GET /api/health endpoint

→ Route + controller + response

Escape Hatch

Read the full file on GitHub · 157 lines

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. 21d ago Changed · +1 lines 2fa559bf0c76
  2. 1mo ago First seen · 156 lines · 31 tokens per session scan A 38aee127ba09

Subscribe to this mod's changes

quick is a skill published in the GitHub repository oliver-kriska/claude-elixir-phoenix (568 stars, last pushed today), licensed MIT. It adds 31 tokens to every session and 795 once invoked, about $0.0001 per session on Opus 5.5. 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 2026-09-03.

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