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MCP Server

citeguard

io.github.Franksterino/citeguard
Knowledge & Documentation Search & Research Public & reachable MCP 2026-07-28

What this MCP does

Audits document citations and verifies cited claims against fetched source pages with evidence quotes.

Capabilities

Tools

3 tools
check_document
Audit every citation in a markdown/plain-text document: extracts claim+source pairs (markdown links, footnotes, DOIs, bare URLs), verifies each against the fetched source, and returns a report with a citation integrity score (0-100).
Input schema 
{'type': 'object', 'required': ['document'], 'properties': {'document': {'type': 'string', 'description': 'Document text (markdown or plain text)'}}}
check_links
Liveness-only check (no LLM): extracts all cited URLs and reports dead links, homepage redirects, and archive.org availability.
Input schema 
{'type': 'object', 'required': ['document'], 'properties': {'document': {'type': 'string', 'description': 'Document text (markdown or plain text)'}}}
verify_claims
Verify claim+source pairs: fetches each cited URL and returns a per-claim verdict (supported / partially_supported / contradicted / unsupported / uncertain / could_not_fetch) with a quoted evidence span from the source.
Input schema 
{'type': 'object', 'required': ['claims'], 'properties': {'claims': {'type': 'array', 'items': {'type': 'object', 'required': ['text', 'source'], 'properties': {'text': {'type': 'string', 'description': 'The claim to verify'}, 'source': {'type': 'string', 'description': 'URL (or DOI URL) the claim cites'}, 'context': {'type': 'string', 'description': 'Optional surrounding context'}}}, 'maxItems': 25, 'minItems': 1}}}
History

Recent tool changes

Added
check_links
Sept. 17, 2026, 12:41 p.m.
Added
check_document
Sept. 17, 2026, 12:41 p.m.
Added
verify_claims
Sept. 17, 2026, 12:41 p.m.
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