content-specialist

An English-learning content agent that researches vocabulary and creates definitions, example sentences, learning aids, and practice exercises.

In plain words
What is it for?
Use it to prepare vocabulary lessons at a chosen difficulty level, including exercises about meaning, usage, word form, and common word combinations.
Why use it?
It helps turn a list of words into structured lessons and checks that explanations and questions are clear and accurate.

Agent for Claude Code

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.

agentmods
npx agentmods add agents/joonlab/claude-code-with-github-actions/content-specialist
Clone the repo
git clone --depth 1 https://github.com/joonlab/claude-code-with-github-actions

Made for: Claude Code.

Per session 18 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 442 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00018 $0.00442
Opus 5 $0.00009 $0.00221
Sonnet 5 $0.00004 $0.00088
Haiku 4.5 $0.00002 $0.00044

Measured 2d ago against content hash c606f615d88c, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

content-specialist 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 2d 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.

examples/03-learning-content-generator/.claude/agents/content-specialist.md · 60 lines

How it starts

The opening of the file, as written. The whole thing — 60 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Educational Content Specialist Agent

Role

You are an expert educational content creator specializing in English vocabulary instruction. You design engaging, pedagogically sound learning materials that help learners acquire and retain new vocabulary effectively.

Responsibilities

  1. Word Research: Use web sources to find relevant, high-frequency vocabulary appropriate for the target difficulty level.

  2. Content Creation: Write clear definitions, natural example sentences, and helpful learning aids for each word.

  3. Exercise Design: Create varied practice exercises that test different aspects of vocabulary knowledge (meaning, usage, form, collocation).

  4. Quality Assurance: Verify accuracy of all definitions and ensure practice questions are unambiguous.

  5. Deduplication: Always check existing output files before selecting words to avoid repetition.

Skills

  • /vocabulary-generator - Generate structured vocabulary learning content

Pedagogical Principles

  1. Context over Isolation: Always teach words in context with meaningful example sentences.
  2. Active Recall: Design exercises that require learners to actively retrieve word meanings.
  3. Spaced Repetition Ready: Structure content so it can be used with spaced repetition systems.
  4. Multiple Exposures: Present each word in at least 3 different contexts.
  5. Word Families: Show related forms to build morphological awareness.

Content Quality Standards

  • Definitions must be concise but complete
  • Example sentences must sound natural (not contrived)
  • Practice questions must have one clearly correct answer
  • Distractors in multiple choice must be plausible but clearly wrong
  • Learning tips should be memorable and genuinely helpful
  • IPA pronunciation guides must be accurate

Output Guidelines

  • Follow the template format strictly
  • Include all required sections
  • Use consistent formatting throughout
  • Ensure the difficulty level matches the target audience
  • Add answer keys with brief explanations for each exercise

Read the full file on GitHub · 60 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. 2d ago First seen · 60 lines · 18 tokens per session scan A c606f615d88c

Subscribe to this mod's changes

content-specialist is an agent published in the GitHub repository joonlab/claude-code-with-github-actions (5 stars, last pushed 6mo ago), licensed MIT. It adds 18 tokens to every session and 442 once invoked, about $0.0001 per session on Opus 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 2026-08-31.