Claude Tools / Plugins / k12-teacher-skills

Audited plugin listing

k12-teacher-skills

Two lesson-design skills for K-12 educators: standards-aligned lesson planning and differentiation across math, ELA, science, and social studies.

educationk12lesson-planningteacherssource:first-party
OverviewInstallAudit
/plugin marketplace add anthropics/k12-teacher-skills
/plugin install k12-teacher-skills@k12-teacher-skills

Listing signals

Install check

✓ Pass

Risk scan

✓ Clean

Implementation

Code-backed

Assessment

Verdict

K12-teacher-skills is the most vertically focused first-party plugin in this wave: two SKILL.md files with extensive subject-area reference libraries (math, ELA, science, social studies curricula) plus Python renderers that produce print-ready HTML and DOCX lesson plans. The SKILL.md explicitly instructs Claude never to use deficit labels visible to students, and to reproduce no curriculum text verbatim — pedagogically sound guardrails that a generic LLM would never apply by default. Clean risk scan, well-maintained, and solves a real problem for teachers who don't want to explain context from scratch every session.

Installation

Add to Claude Code

/plugin marketplace add anthropics/k12-teacher-skills
/plugin install k12-teacher-skills@k12-teacher-skills

Source: github.com/anthropics/k12-teacher-skills

Evidence

Audit receipts

This listing is tied to a specific source commit and records both installation and risk checks.

Install check

✓ Pass

Two skills (k12-lesson-planning, k12-lesson-differentiation) with Python renderers for HTML and DOCX output. No network calls; renders locally.

Risk scan

✓ Clean

render_all.sh invokes Python renderers with local file paths only. No subprocess on user input, no eval/exec. SKILL.md includes both Apache-2.0 headers and a Learning Commons copyright — legitimate dual attribution.

Composition

What was measured

Prose lines

3,385

Code lines

3,764

Prose / code

0.90

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