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The Model Context Protocol ecosystem, verified

Current spec 2026-07-28

PDF Reader MCP

Spec Support Unverified First-party Confidence: Good (0.85)

PDF Reader MCP is an MCP server published by SylphxAI; its MCP spec-revision support has not been verified yet. It is the first-party server from SylphxAI. Last verified 2026-08-25.

Does PDF Reader MCP support the current MCP specification (2026-07-28)?

Undetermined. We have not verified which MCP specification revision PDF Reader MCP supports (as of 2026-08-25).

Is PDF Reader MCP a first-party (official) MCP server?

Yes. PDF Reader MCP is the first-party MCP server published by SylphxAI (last verified 2026-08-25).

How do I connect to PDF Reader MCP?

PDF Reader MCP is available via the package npm:@sylphx/citra, the official MCP Registry under io.github.SylphxAI/pdf-reader-mcp, the source repository at https://github.com/sylphxai/pdf-reader-mcp. Authentication: unknown. Transports: stdio.

When were PDF Reader MCP's facts last verified?

2026-08-25. Each fact on this page links to the sources used to verify it.

Evidence-first PDF MCP. Agent Document Twin with citeable page+bbox evidence.

How widely adopted is PDF Reader MCP?

Ranked #80 in The MCP 500 with Adoption Index 56.96 (snapshot , methodology v1).

Measurement Value Source
Official MCP Registry yes API ·
Docker MCP Catalog no API ·
npm downloads (weekly) 1,443 API ·
GitHub stars 925 API ·
GitHub forks 82 API ·
Last push 2026-09-13T07:03:22Z API ·
Repository archived no API ·

Repository and package signals for PDF Reader MCP

Measured directly from the source registries, not asserted from a document. Each figure carries the date it was read; none of it affects the verified spec status above.

Repository as of

Created
Open issues
18
Primary language
TypeScript
License (repository)
MIT
Continuous integration
Present
Tests
Present
Security policy
Present

Declared topics: agent-document-twin, ai-agent, ai-tools, citations, document-intelligence, document-processing, evidence-first, llm-tool, mcp, model-context-protocol, ocr, pdf, pdf-intelligence, pdf-reader, pdf-to-markdown, rag, rust, trust-report, visual-evidence — author-declared on the repository, not our taxonomy.

Package (npm) as of

Latest version
4.1.3
Last published
First published
Releases
63
License (package)
MIT
Maintainers
2
Direct dependencies
0
Unpacked size
85 KB
Registry signature
Signed
Build provenance
No attestation
Deprecated
Yes

How was this verified, and what are the sources?

Verified · method: registry-record · confidence 0.85 (Good).

  1. Official MCP Registry record for io.github.SylphxAI/pdf-reader-mcp at version 4.1.2 - lists package npm:@sylphx/pdf-reader-mcp and repository https://github.com/sylphxai/pdf-reader-mcp - accessed
  2. sylphxai/pdf-reader-mcp docs/migration.md - "Current production identity: @sylphx/citra@5.0.0"; describes the 5.0.0 hard cut to the citra package, command and io.github.SylphxAI/citra MCP identity - accessed
  3. npm registry, @sylphx/citra latest - resolves at version 5.0.0, the package the migration doc names as the production identity - accessed