Skill: athola/nm-leyline-document-conversion (version 1.0.2)

--- name: document-conversion description: | Document-to-markdown conversion with tiered fallback: MCP markitdown, native tools, or user notice version: 1.9.5 triggers: - conversion - markitdown - mcp - documents - pdf - docx metadata: {"openclaw": {"homepage": "https://github.com/athola/claude-night-market/tree/master/plugins/leyline", "emoji": "\ud83e\udd9e", "requires": {"config": ["night-market.content-sanitization", "night-market.error-patterns"]}}} source: claude-night-market source_plugin: leyline --- > **Night Market Skill** — ported from [claude-night-market/leyline](https://github.com/athola/claude-night-market/tree/master/plugins/leyline). For the full experience with agents, hooks, and commands, install the Claude Code plugin. # Document Conversion Convert documents and URLs to markdown using a three-tier fallback strategy. This skill is infrastructure: consumer skills reference it via dependency rather than reimplementing conversion logic. ## When To Use - Converting PDF, DOCX, PPTX, XLSX, HTML, or images to markdown for downstream processing - Any skill that ingests external documents - File format is not plain text or markdown ## When NOT To Use - Content is already markdown or plain text - You only need to read a small text file (use Read directly) ## Format Detection Identify the document type from the URI before converting. | Extension | Format | Tier 1 | Tier 2 | |-----------|--------|--------|--------| | `.pdf` | PDF | Yes | Read tool (pages) | | `.docx`, `.doc` | Word | Yes | None | | `.pptx`, `.ppt` | PowerPoint | Yes | None | | `.xlsx`, `.xls` | Excel | Yes | None | | `.html`, `.htm` | HTML | Yes | WebFetch | | `.csv` | CSV | Yes | Read tool | | `.json` | JSON | Yes | Read tool | | `.xml` | XML | Yes | Read tool | | `.png`, `.jpg`, `.jpeg`, `.gif`, `.webp` | Image | Yes | Read tool (visual) | | `.mp3`, `.wav`, `.m4a` | Audio | Yes | None | | `.zip` | Archive | Yes | None | | `.epub` | E-book | Yes | None | See `modules/format-matrix.md` for quality comparison across tiers. ## Conversion Protocol To convert a document to markdown: ``` 1. DETECT -- Identify format from URI extension or context 2. TRY -- Tier 1: MCP markitdown (best quality) 3. DEGRADE -- Tier 2: native Claude Code tools (if Tier 1 fails) 4. INFORM -- Tier 3: tell user what's needed (if no coverage) 5. SANITIZE -- Apply content-sanitization (external content) ``` ### Tier 1: MCP markitdown Call the `convert_to_markdown` MCP tool with the document URI. See `modules/uri-construction.md` for URI formatting rules. If the tool is available and succeeds, you have the best possible conversion. Proceed to the SANITIZE step. If the tool is not available (not found, connection error) or fails, proceed to Tier 2. ### Tier 2: Native Claude Code Tools Use built-in tools as format-specific fallbacks. See `modules/fallback-tiers.md` for per-format instructions. **Supported in Tier 2**: PDF, HTML, images, CSV, JSON, XML. **Not supported in Tier 2**: DOCX, PPTX, XLSX, audio, archives, e-books. Proceed to Tier 3 for these. ### Tier 3: User Notification When neither Tier 1 nor Tier 2 can handle the format: > I cannot convert this {format} file without the markitdown > MCP server. To enable conversion, add this to `.mcp.json`: > > ```json > { > "mcpServers": { > "markitdown": { > "type": "stdio", > "command": "uvx", > "args": ["markitdown-mcp"] > } > } > } > ``` > > Alternatively, convert the file to PDF or HTML first, > which I can read with built-in tools. ### SANITIZE Step All converted content is external. Apply the `leyline:content-sanitization` checklist: - Size check (truncate sections over 2000 words) - Strip system/instruction tags - Wrap in external content boundary markers ## Integration Consumer skills depend on this skill and reference the protocol by name: ```yaml dependencies: - leyline:document-conversion ``` Then in their workflow: "Convert the document using the `leyline:document-conversion` protocol." ## Detailed References - Format support details: `modules/format-matrix.md` - Per-format fallback instructions: `modules/fallback-tiers.md` - URI construction rules: `modules/uri-construction.md`


Security scan verdicts — ClawScan: clean | static analysis: clean | VirusTotal: clean | SkillSpector: clean (LOW)