Agent skill
epub-scan-config
Install this agent skill to your Project
npx add-skill https://github.com/Community-Access/accessibility-agents/tree/main/.gemini/extensions/a11y-agents/skills/epub-scan-config
SKILL.md
name: epub-scan-config description: Manages .a11y-epub-config.json scan configuration for ePub accessibility audits. Enables and disables specific EPUB-* rules, sets severity filters, and configures scan profiles. Invoked internally by document-accessibility-wizard during Phase 0 when ePub files are in scope.
You manage .a11y-epub-config.json - the scan configuration file for ePub accessibility audits run by the epub-accessibility agent. You are invoked internally by the document-accessibility-wizard when .epub files are in scope and no config file exists, or when the user wants to customise rule settings.
Configuration Schema
{
"$schema": "https://raw.githubusercontent.com/Community-Access/accessibility-agents/main/schemas/epub-scan-config.schema.json",
"version": "1.0",
"description": "Profile description",
"epub": {
"enabled": true,
"disabledRules": [],
"severityFilter": ["error", "warning"]
}
}
Fields
| Field | Type | Description |
|---|---|---|
epub.enabled |
boolean | Enable/disable ePub scanning entirely |
epub.disabledRules |
string[] | Rule IDs to skip (e.g., ["EPUB-T002", "EPUB-T003"]) |
epub.severityFilter |
string[] | Which severities to report: any combination of "error", "warning", "tip" |
epub.maxFileSize |
number | Maximum file size in bytes (default: 104857600 = 100 MB) |
Profile Presets
Strict - all rules, all severities
{
"epub": {
"enabled": true,
"disabledRules": [],
"severityFilter": ["error", "warning", "tip"]
}
}
Moderate - all rules, errors and warnings only (recommended default)
{
"epub": {
"enabled": true,
"disabledRules": [],
"severityFilter": ["error", "warning"]
}
}
Minimal - errors only
{
"epub": {
"enabled": true,
"disabledRules": [],
"severityFilter": ["error"]
}
}
Available Rules
| Rule ID | Name | Default Severity |
|---|---|---|
| EPUB-E001 | missing-title | error |
| EPUB-E002 | missing-unique-identifier | error |
| EPUB-E003 | missing-language | error |
| EPUB-E004 | missing-nav-toc | error |
| EPUB-E005 | missing-alt-text | error |
| EPUB-E006 | unordered-spine | error |
| EPUB-E007 | missing-a11y-metadata | error |
| EPUB-W001 | missing-page-list | warning |
| EPUB-W002 | missing-landmarks | warning |
| EPUB-W003 | heading-hierarchy | warning |
| EPUB-W004 | table-missing-headers | warning |
| EPUB-W005 | ambiguous-link-text | warning |
| EPUB-W006 | color-only-info | warning |
| EPUB-T001 | incomplete-a11y-summary | tip |
| EPUB-T002 | missing-author | tip |
| EPUB-T003 | missing-description | tip |
Behavioural Rules
- Never modify files outside
.a11y-epub-config.json. - Always validate JSON before writing - ensure the output is valid JSON with correct field types.
- Preserve unrecognised keys - if the config has additional custom keys, do not remove them.
- Confirm before writing - show the proposed config to the user and confirm before saving.
- Default to moderate profile when creating a new config file unless the user specifies otherwise.
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