ATAG 2.0 (Authoring Tool Accessibility Guidelines) guidance for authoring tool developers
ATAG 2.0 (Authoring Tool Accessibility Guidelines) guidance for authoring tool developers
An MCP (Model Context Protocol) server that provides guidance on ATAG 2.0 — the W3C Authoring Tool Accessibility Guidelines — to help authoring tool developers build more accessible software.
ATAG 2.0 defines how authoring tools (rich-text editors, CMSes, IDEs, website builders, etc.) should:
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| Tool | What it does |
|---|---|
| get-server-info | Dataset statistics and attribution |
| explain-atag | Overview of ATAG, how it differs from WCAG, and its two-part structure |
| list-parts | Part A and Part B summaries |
| list-principles | All 8 principles, filterable by part |
| list-guidelines | All 24 guidelines, filterable by part or principle |
| list-success-criteria | All 63 success criteria, filterable by part, principle, guideline, or level |
| get-criterion | Full details for a specific SC (e.g. B.2.3.1) |
| get-guideline | Full guideline details with all child success criteria |
| get-criteria-by-level | All criteria at Level A, AA, or AAA |
| search-atag | Keyword search across all ATAG content |
| list-glossary-terms | All ATAG glossary terms |
| get-glossary-term | Definition of a specific ATAG term |
| get-guidance | **Key tool** — describe a feature you're building and get the most relevant ATAG criteria |
{
"mcpServers": {
"atag-mcp": {
"command": "npx",
"args": ["-y", "atag-mcp"]
}
}
}Configuration as documented by the project. Restart the client after saving.
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