Individual skill

crestapps-core-document-processing

Skill for CrestApps.Core 2.0 document processing and the separate ingestion path. Covers AddDocumentProcessing with OpenXml, Pdf, Word and reference downloads, AddCoreAIDocumentIngestion with AddPlainTextReader, AddFigureProcessing, AddFigureBackfill, AddPdf and AddDocumentIntelligence, the IAIDocumentIngestionPipeline and AIDocumentIngestionProcessor extension points, custom IngestionDocumentReader registration, PDF layout analysis with PdfLayoutOptions, figure captions, salience and vision transcription, upload limits through InteractionDocumentOptions and DocumentsMetadata, the document and figure download endpoints, the built-in document and tabular tools, and upgrading 1.x hosts whose types moved to CrestApps.Core.AI.Ingestion.

plugins/crestapps-core/skills/crestapps-core-document-processing/SKILL.md

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Last checked: Nov 6, 2026

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Repository stars (not skill ratings): 13
Repository last updated: Oct 21, 2026
License: MIT

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# CrestApps.Core Document Processing

Use this skill when a host lets users upload documents into chat sessions, chat interactions or AI profiles, or when it needs to read files into an AI knowledge base without the chat stack. For the Presentation, Word and PDF agents see `crestapps-core-document-agents`. For scheduled folder and file-server intake see `crestapps-core-file-sources`.

## Two packages, two jobs

| Package | Holds | Register with |
|---|---|---|
| `CrestApps.Core.AI.Ingestion` | readers, the processor pipeline, `IDocumentFileStore`, `IKnowledgeIngestionService` | `AddCoreAIDocumentIngestion(...)` |
| `CrestApps.Core.AI.Ingestion.Pdf` | the PdfPig PDF reader and `PdfLayoutOptions` | `AddPdf()` on the ingestion builder |
| `CrestApps.Core.AI.Documents` | uploads, tabular workspaces, generated files, the chat tools, the Tabular Data Agent | `AddDocumentProcessing(...)` / `AddCoreAIDocumentProcessing()` |
| `CrestApps.Core.AI.Documents.OpenXml` | `.docx`, `.xlsx`, `.pptx`, `.potx` reader, Office writers, Presentation Agent | `AddOpenXml()` |
| `CrestApps.Core.AI.Documents.Pdf` | PDF reader plus PDF writer and PDF Agent | `AddPdf()` on the document-processing builder |
| `CrestApps.Core.AI.Documents.Word` | Word Agent | `AddWord()` |