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mcp/skillhub

Agent Skill

Accesslint Diff skill

accesslint-diffsickn33/agentic-awesome-skillsplugins/agentic-awesome-skills-claude/skills/accesslint-diff/SKILL.md

Diff a live page's accessibility violations against a baseline — by default compares uncommitted changes (stash-based), or pass --branch [<name>] to diff against a branch. Reports only new violations introduced, violations fixed, and pre-existing count. Use `scan` for a full audit with no diffing.

48kMIT

always on

68 tokname + description

once used

679 tokSKILL.md body

bundled files

0

repo stars

48kGitHub

Install the Accesslint Diff skill

Skills CLI (Claude Code, Codex, Cursor and others)

npx skills add https://github.com/sickn33/agentic-awesome-skills --skill accesslint-diff

Claude Code, by hand (all projects)

git clone --depth 1 https://github.com/sickn33/agentic-awesome-skills.git /tmp/agentic-awesome-skills
mkdir -p ~/.claude/skills
cp -R /tmp/agentic-awesome-skills/plugins/agentic-awesome-skills-claude/skills/accesslint-diff ~/.claude/skills/accesslint-diff

For one project only, copy the folder into .claude/skills/ in that project instead. The agent picks it up when a task matches its description.

What it costs your context

Agent Skills load in three steps. Tokens counted with the o200k tokenizer; your model's count will differ a little.

WhenWhat loadsCost
Every sessionName and description68 tok
When the agent uses itThe SKILL.md instructions679 tok
Only if openedNo bundled files—

Until it is used, accesslint-diff costs about 20× less than the median MCP server we measured (1,362 tokens on every turn). Installing all 150 skills from sickn33/agentic-awesome-skills would load 5,255 tokens of descriptions. Skills vs MCP study

Checks

Our checks found nothing to flag: it follows the Agent Skills specification's naming and size guidelines and doesn't pipe downloads into a shell.

Checked 2026-10-22 · method

What's inside

The headings of its SKILL.md. Read the full file on GitHub.

  • When to Use
  • 1. Establish isolated snapshots
  • 2. Report
  • 3. Tear down
  • Gotchas
  • Limitations

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