OpenPlag Labs

com.openplaglabs/openplagVersion 1.0.0

Free originality checks for academic papers: 180M+ open-access records, 8 languages.

Status

Responds197 msNov 14, 2026, 14:08 UTCAnswered our handshake without sign-in.

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Data from the official MCP Registry, checked by run.zero. How we check

Streamable HTTP

https://app.openplaglabs.com/mcpResponds197 msNov 14, 2026, 14:08 UTC

No sign-in

claude mcp add --transport http openplag https://app.openplaglabs.com/mcp

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Settings > Connectors > Add custom connector
Name: openplag
Remote MCP server URL: https://app.openplaglabs.com/mcp

{
  "mcpServers": {
    "openplag": {
      "url": "https://app.openplaglabs.com/mcp"
    }
  }
}

code --add-mcp '{"name":"openplag","type":"http","url":"https://app.openplaglabs.com/mcp"}'

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2 tools

Tools of OpenPlag Labs
	Description		Read-only	Idempotent	Open world
`check_document`Start an originality check of ONE document for the user (PDF, DOCX, DOC, ODT, RTF or TXT, up to 10,000 words). Ask the user's permission first. Returns a token; the check takes 10 to 20 minutes. Send exactly one of content_base64 (with filename), text, or url. Open access has growing waiting times between checks and a small daily limit; never send batches or split documents.	Start an originality check of ONE document for the user (PDF, DOCX, DOC, ODT, RTF or TXT, up to 10,000 words). Ask the user's permission first. Returns a token; the check takes 10 to 20 minutes. Send exactly one of content_base64 (with filename), text, or url. Open access has growing waiting times between checks and a small daily limit; never send batches or split documents.	No	No	No	Yes
`get_check`Get the status of a check started with check_document. While it runs, returns the estimated time left and poll_after_seconds; when done, a summary, a disclaimer to pass on, and a link to the full report (valid 24 hours).	Get the status of a check started with check_document. While it runs, returns the estimated time left and poll_after_seconds; when done, a summary, a disclaimer to pass on, and a link to the full report (valid 24 hours).	Not declared	Yes	Not declared	No

Registry status: Active
Published: Nov 13, 2026
Updated: Nov 13, 2026
Website: https://openplaglabs.com/⁠ (opens in a new tab)
Repository: Not given
Categories (suggested): DocumentsSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared