What this MCP does
Queries a read-only citation graph to find references, citations, supporting works, and refutations for papers or claims.
Tools
Input schema
{'type': 'object', 'required': ['identifier'], 'properties': {'limit': {'type': 'integer', 'default': 100, 'maximum': 1000, 'minimum': 1, 'description': 'Maximum edges to return per tier (default 100, max 1000). Well-cited works have thousands; the response reports has_more and inferred_total so you can tell a page from the whole answer.'}, 'offset': {'type': 'integer', 'default': 0, 'minimum': 0, 'description': 'How many edges to skip, for paging. Advance by the LIMIT you asked for, not by the number of results you got back — duplicates are removed after the window is taken, so a page can return fewer rows than it consumed. Keep going while has_more is true.'}, 'identifier': {'type': 'string', 'description': 'DOI, arXiv id, OpenAlex id, or internal claim id'}, 'asserted_only': {'type': 'boolean', 'default': False, 'description': 'If true, restrict to human-signed (asserted) edges. If false (default), return both asserted and machine-inferred edges.'}}}
Input schema
{'type': 'object', 'required': ['identifier'], 'properties': {'limit': {'type': 'integer', 'default': 100, 'maximum': 1000, 'minimum': 1, 'description': 'Maximum edges to return per tier (default 100, max 1000). Well-cited works have thousands; the response reports has_more and inferred_total so you can tell a page from the whole answer.'}, 'offset': {'type': 'integer', 'default': 0, 'minimum': 0, 'description': 'How many edges to skip, for paging. Advance by the LIMIT you asked for, not by the number of results you got back — duplicates are removed after the window is taken, so a page can return fewer rows than it consumed. Keep going while has_more is true.'}, 'identifier': {'type': 'string', 'description': 'DOI, arXiv id, OpenAlex id, or internal claim id'}, 'asserted_only': {'type': 'boolean', 'default': False, 'description': 'If true, restrict to human-signed (asserted) edges. If false (default), return both asserted and machine-inferred edges.'}}}
Input schema
{'type': 'object', 'required': ['identifier'], 'properties': {'limit': {'type': 'integer', 'default': 100, 'maximum': 1000, 'minimum': 1, 'description': 'Maximum edges to return per tier (default 100, max 1000). Well-cited works have thousands; the response reports has_more and inferred_total so you can tell a page from the whole answer.'}, 'offset': {'type': 'integer', 'default': 0, 'minimum': 0, 'description': 'How many edges to skip, for paging. Advance by the LIMIT you asked for, not by the number of results you got back — duplicates are removed after the window is taken, so a page can return fewer rows than it consumed. Keep going while has_more is true.'}, 'identifier': {'type': 'string', 'description': 'DOI, arXiv id, OpenAlex id, or internal claim id'}, 'asserted_only': {'type': 'boolean', 'default': False, 'description': 'If true, restrict to human-signed (asserted) edges. If false (default), return both asserted and machine-inferred edges.'}}}
Input schema
{'type': 'object', 'required': ['identifier'], 'properties': {'limit': {'type': 'integer', 'default': 100, 'maximum': 1000, 'minimum': 1, 'description': 'Maximum edges to return per tier (default 100, max 1000). Well-cited works have thousands; the response reports has_more and inferred_total so you can tell a page from the whole answer.'}, 'offset': {'type': 'integer', 'default': 0, 'minimum': 0, 'description': 'How many edges to skip, for paging. Advance by the LIMIT you asked for, not by the number of results you got back — duplicates are removed after the window is taken, so a page can return fewer rows than it consumed. Keep going while has_more is true.'}, 'identifier': {'type': 'string', 'description': 'DOI, arXiv id, OpenAlex id, or internal claim id'}, 'asserted_only': {'type': 'boolean', 'default': False, 'description': 'If true, restrict to human-signed (asserted) edges. If false (default), return both asserted and machine-inferred edges.'}}}
Input schema
{'type': 'object', 'required': ['identifier'], 'properties': {'limit': {'type': 'integer', 'default': 100, 'maximum': 1000, 'minimum': 1, 'description': 'Maximum edges to return per tier (default 100, max 1000). Well-cited works have thousands; the response reports has_more and inferred_total so you can tell a page from the whole answer.'}, 'offset': {'type': 'integer', 'default': 0, 'minimum': 0, 'description': 'How many edges to skip, for paging. Advance by the LIMIT you asked for, not by the number of results you got back — duplicates are removed after the window is taken, so a page can return fewer rows than it consumed. Keep going while has_more is true.'}, 'identifier': {'type': 'string', 'description': 'DOI, arXiv id, OpenAlex id, or internal claim id'}, 'asserted_only': {'type': 'boolean', 'default': False, 'description': 'If true, restrict to human-signed (asserted) edges. If false (default), return both asserted and machine-inferred edges.'}}}
Recent tool changes
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