--- title: "pdf-reader-mcp vs Chat-with-Scanned-Documents" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/sylphxai-pdf-reader-mcp-vs-tony-xlh-chat-with-scanned-documents" tools: ["sylphxai-pdf-reader-mcp", "tony-xlh-chat-with-scanned-documents"] --- # pdf-reader-mcp vs Chat-with-Scanned-Documents *GraphCanon updated Sep 20, 2026* ## Verdict Pick pdf-reader-mcp if pdf-reader-mcp acts as an intelligence layer for PDFs to support AI agents in document handling, offering features like evidence-first extraction and OCR with a focus on accuracy and provenance via the MCP server; pick Chat-with-Scanned-Documents if leverages Dynamic Web TWAIN for scanning and Tesseract.js for text extraction, integrating LangChain for chat functionality. [pdf-reader-mcp](https://sylphxai.github.io/pdf-reader-mcp/) reports 935 GitHub stars, 82 forks, and 1 open issues, last pushed Sep 20, 2026. [Chat-with-Scanned-Documents](https://github.com/tony-xlh/Chat-with-Scanned-Documents) has 6 stars, 3 forks, and 0 open issues, last pushed May 25, 2023. Figures are from public GitHub metadata via [pdf-reader-mcp's repository](https://github.com/SylphxAI/pdf-reader-mcp) and [Chat-with-Scanned-Documents's repository](https://github.com/tony-xlh/Chat-with-Scanned-Documents). | | [pdf-reader-mcp](/tools/sylphxai-pdf-reader-mcp.md) | [Chat-with-Scanned-Documents](/tools/tony-xlh-chat-with-scanned-documents.md) | | --- | --- | --- | | Tagline | PDF intelligence layer for AI agents providing features such as evidence-first extraction and OCR | A demo chatting with documents scanned using Dynamic Web TWAIN and Tesseract.js | | Stars | 935 | 6 | | Forks | 82 | 3 | | Open issues | 1 | 0 | | Language | TypeScript | JavaScript | | Adopt for | pdf-reader-mcp acts as an intelligence layer for PDFs to support AI agents in document handling, offering features like evidence-first extraction and OCR with a focus on accuracy and provenance via the MCP server. | Leverages Dynamic Web TWAIN for scanning and Tesseract.js for text extraction, integrating LangChain for chat functionality. | | Persona | - | - | | Runtime | - | - | | License | MIT | MIT | | Categories | AI Agents, Data & Retrieval | Data & Retrieval, Developer Tools | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [pdf-reader-mcp](/tools/sylphxai-pdf-reader-mcp.md) | [Chat-with-Scanned-Documents](/tools/tony-xlh-chat-with-scanned-documents.md) | | --- | --- | --- | | Maintenance | Very active (96%) | Dormant (18%) | | Days since push | 0d | 1214d | | Open issues (now) | 1 | 0 | | Stars delta | +96 (30d) | 0 (30d) | | Owner type | Organization | User | | Full report | [trust report](/tools/sylphxai-pdf-reader-mcp/trust.md) | [trust report](/tools/tony-xlh-chat-with-scanned-documents/trust.md) | ## Decision facts: pdf-reader-mcp - **Adopt for:** pdf-reader-mcp acts as an intelligence layer for PDFs to support AI agents in document handling, offering features like evidence-first extraction and OCR with a focus on accuracy and provenance via the MCP server. ## Decision facts: Chat-with-Scanned-Documents - **Adopt for:** Leverages Dynamic Web TWAIN for scanning and Tesseract.js for text extraction, integrating LangChain for chat functionality. ## Choose when ### Choose pdf-reader-mcp if… - pdf-reader-mcp is primarily TypeScript; Chat-with-Scanned-Documents is JavaScript. - Tags unique to pdf-reader-mcp: agent-document-twin, ai-tools, document-intelligence, document-processing. - Also covers AI Agents. - pdf-reader-mcp ships an MCP server manifest. - When working within environments that integrate Claude, Cursor, VS Code, or any other MCP client where precision in extracting visual crops and ensuring provenance through OCR is required. ### Choose Chat-with-Scanned-Documents if… - Chat-with-Scanned-Documents is primarily JavaScript; pdf-reader-mcp is TypeScript. - Tags unique to Chat-with-Scanned-Documents: document scanning, dynamic web twain, langchain, tesseract.js. - Also covers Developer Tools. - Need to interact with content from scanned documents ## When NOT to use pdf-reader-mcp - For situations where you do not require the specific capabilities like evidence-first extraction or trust reporting that distinguish pdf-reader-mcp from other general OCR tools. - In scenarios where only plain text extraction is needed without advanced features such as document intelligence, visual crops, or PDF to Markdown conversion. ## When NOT to use Chat-with-Scanned-Documents - Situations demanding real-time, high-volume document scanning and processing - Applications requiring more advanced AI chat capabilities beyond LangChain ## Common questions ### What is the difference between pdf-reader-mcp and Chat-with-Scanned-Documents? pdf-reader-mcp: PDF intelligence layer for AI agents providing features such as evidence-first extraction and OCR. Chat-with-Scanned-Documents: A demo chatting with documents scanned using Dynamic Web TWAIN and Tesseract.js. See the comparison table for live GitHub stats and shared categories. ### When should I choose pdf-reader-mcp over Chat-with-Scanned-Documents? Choose pdf-reader-mcp over Chat-with-Scanned-Documents when pdf-reader-mcp is primarily TypeScript; Chat-with-Scanned-Documents is JavaScript; Tags unique to pdf-reader-mcp: agent-document-twin, ai-tools, document-intelligence, document-processing; Also covers AI Agents; pdf-reader-mcp ships an MCP server manifest; When working within environments that integrate Claude, Cursor, VS Code, or any other MCP client where precision in extracting visual crops and ensuring provenance through OCR is required. ### When should I choose Chat-with-Scanned-Documents over pdf-reader-mcp? Choose Chat-with-Scanned-Documents over pdf-reader-mcp when Chat-with-Scanned-Documents is primarily JavaScript; pdf-reader-mcp is TypeScript; Tags unique to Chat-with-Scanned-Documents: document scanning, dynamic web twain, langchain, tesseract.js; Also covers Developer Tools; Need to interact with content from scanned documents. ### When should I avoid pdf-reader-mcp? For situations where you do not require the specific capabilities like evidence-first extraction or trust reporting that distinguish pdf-reader-mcp from other general OCR tools. In scenarios where only plain text extraction is needed without advanced features such as document intelligence, visual crops, or PDF to Markdown conversion. ### When should I avoid Chat-with-Scanned-Documents? Situations demanding real-time, high-volume document scanning and processing Applications requiring more advanced AI chat capabilities beyond LangChain ### Is pdf-reader-mcp or Chat-with-Scanned-Documents more popular on GitHub? pdf-reader-mcp has more GitHub stars (935 vs 6). Stars measure visibility, not whether either tool fits your constraints. ### Are pdf-reader-mcp and Chat-with-Scanned-Documents open source? Yes - both are open-source projects on GitHub (pdf-reader-mcp: MIT, Chat-with-Scanned-Documents: MIT). ### Where can I find alternatives to pdf-reader-mcp or Chat-with-Scanned-Documents? GraphCanon lists graph-backed alternatives at [pdf-reader-mcp alternatives](/tools/sylphxai-pdf-reader-mcp/alternatives) and [Chat-with-Scanned-Documents alternatives](/tools/tony-xlh-chat-with-scanned-documents/alternatives) ([pdf-reader-mcp markdown twin](/tools/sylphxai-pdf-reader-mcp/alternatives.md), [Chat-with-Scanned-Documents markdown twin](/tools/tony-xlh-chat-with-scanned-documents/alternatives.md)), ranked by typed relationship edges rather than popularity votes. ### Is there a machine-readable version of this comparison? Yes. The markdown twin at [this comparison](/compare/sylphxai-pdf-reader-mcp-vs-tony-xlh-chat-with-scanned-documents.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, pdf-reader-mcp or Chat-with-Scanned-Documents? pdf-reader-mcp: Very active. Chat-with-Scanned-Documents: Dormant. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance. ### Where are the full trust reports for pdf-reader-mcp and Chat-with-Scanned-Documents? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [pdf-reader-mcp trust report](/tools/sylphxai-pdf-reader-mcp/trust); [Chat-with-Scanned-Documents trust report](/tools/tony-xlh-chat-with-scanned-documents/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=sylphxai-pdf-reader-mcp`](/api/graphcanon/graph?tool=sylphxai-pdf-reader-mcp) - LLM index: [/llms.txt](/llms.txt) - Full corpus: [/llms-full.txt](/llms-full.txt) _GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_