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100
MCP live MCP 2025-11-25 streamable-http

PDF Viewer

io.modelcontextprotocol/server-pdf

Demo interactive PDF viewer that renders PDFs from a limited set of allowed URLs (e.g., arxiv.org) for security reasons.

Listed in Claude connectors
Watch this dependency Share evidence report
Uptime
100.0%
4 direct probes · 30d
Response
591ms
last probe
Tools
4
callable
Resources
1
readable
Prompts
0
available
Primary URL
https://example-server.modelcontextprotocol.io/pdf/mcp
Score: 100/100
Handshake verified by our own probe.
pass Answers the MCP handshake 50/50
The handshake and the list calls succeeded on the primary URL.
pass Lists tools, resources or prompts 30/30
4 tools, 1 resources, 0 prompts returned.
pass 3 or more catalogue items 10/10
5 items in total; 3 or more earns these points.
pass Describes itself 10/10
120 characters; more than 30 earns these points.

Tools · 4

list_pdfs

List available PDFs that can be displayed

read_pdf_bytes

Read a range of bytes from a PDF (max 512KB per request). The model should NOT call this tool directly.

display_pdf

Show and render a PDF in a read-only viewer. Use this tool when the user wants to view or read a PDF. The renderer displays the document for viewing. The widget exposes app-registered tools for page …

save_pdf

Save annotated PDF bytes back to a local file. The model should NOT call this tool directly — use interact with action: save_as instead.

Resources · 1

ui://pdf-viewer/mcp-app.html ui://pdf-viewer/mcp-app.html

How to use

Claude Desktop or claude.ai: add a custom connector (Customize → Connectors; on Team and Enterprise plans an owner adds it under Organization settings → Connectors) with this server URL: https://example-server.modelcontextprotocol.io/pdf/mcp

Cursor or Cline: add to your MCP config:

{
  "mcpServers": {
    "pdf_viewer": {
      "url": "https://example-server.modelcontextprotocol.io/pdf/mcp",
      "transport": "streamable-http"
    }
  }
}