Tomesphere

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Search 8.5M scientific papers with LLM TLDRs, citations, linked entities, figures, and full text.

Research & Knowledge

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https://mcp.tomesphere.com/api/mcp

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citations Read-only

Get papers that cite the given paper (who refers to this work). Use when the user asks 'who cites X', 'what's the impact', or wants follow-up work. Note: 2024+ citation coverage is sparse; indexing in progress.

idstring, required

arXiv ID or OpenAlex Work ID.

kinteger

Max citing papers (default 25, max 100).

Tools (9)

citations

read-only

Argument	Type	Description
k	integer	Max citing papers (default 25, max 100).
id*	string	arXiv ID or OpenAlex Work ID.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "id"
  ],
  "properties": {
    "k": {
      "type": "integer",
      "default": 25,
      "description": "Max citing papers (default 25, max 100)."
    },
    "id": {
      "type": "string",
      "description": "arXiv ID or OpenAlex Work ID."
    }
  }
}

get_entities

Get the biomedical entities linked to a paper: genes, proteins, chemicals, diseases, species, mutations, cell lines, and clinical-trial (NCT) IDs. Accepts an arXiv ID, PMC ID, or bioRxiv/medRxiv DOI.

read-only

Argument	Type	Description
id*	string	arXiv ID, PMC ID, or 10.1101/… DOI.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "id"
  ],
  "properties": {
    "id": {
      "type": "string",
      "description": "arXiv ID, PMC ID, or 10.1101/… DOI."
    }
  }
}

get_figures

Get a paper's real figure images — URLs, labels, and captions. Most biomedical papers have figures; arXiv papers often don't. Accepts an arXiv ID, PMC ID, or bioRxiv/medRxiv DOI.

read-only

Argument	Type	Description
id*	string	arXiv ID, PMC ID, or 10.1101/… DOI.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "id"
  ],
  "properties": {
    "id": {
      "type": "string",
      "description": "arXiv ID, PMC ID, or 10.1101/… DOI."
    }
  }
}

get_full_text

Fetch a paper's full body text as Markdown (methods, results, protocols, inline tables) — use for deep questions the abstract can't answer. Accepts an arXiv ID (2401.12345), a PMC ID (PMC5339222), or a bioRxiv/medRxiv DOI (10.1101/…).

read-only

Argument	Type	Description
id*	string	arXiv ID, PMC ID, or 10.1101/… DOI.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "id"
  ],
  "properties": {
    "id": {
      "type": "string",
      "description": "arXiv ID, PMC ID, or 10.1101/… DOI."
    }
  }
}

get_paper

Fetch a paper's full metadata: title, authors, year, abstract, TLDR (LLM-generated), key findings, citation count, GitHub repos, HuggingFace models/datasets, videos, peer reviews, and links. Accepts an arXiv ID (e.g. '2401.12345' or '1706.03762v5') or an OpenAlex Work ID (e.g. 'W4390723197'). Use when the user names a specific paper or pastes an arXiv link.

read-only

Argument	Type	Description
id*	string	arXiv ID like '2401.12345' or OpenAlex Work ID like 'W4390723197'.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "id"
  ],
  "properties": {
    "id": {
      "type": "string",
      "description": "arXiv ID like '2401.12345' or OpenAlex Work ID like 'W4390723197'."
    }
  }
}

get_structure

Resolve a gene/protein name (e.g. 'TP53', 'CD44') or UniProt accession to its 3D structure — returns the UniProt accession + AlphaFold model URL (and PDB when available). Great for a gene named in a paper's entities.

read-only

Argument	Type	Description
name*	string	Gene/protein symbol (TP53, CD44) or UniProt accession (P04637).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "name"
  ],
  "properties": {
    "name": {
      "type": "string",
      "description": "Gene/protein symbol (TP53, CD44) or UniProt accession (P04637)."
    }
  }
}

references

Get the papers that this paper cites (its bibliography). Use when the user asks 'what does X cite' or 'show me the references'.

read-only

Argument	Type	Description
k	integer	Max references (default 25, max 100).
id*	string	arXiv ID or OpenAlex Work ID.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "id"
  ],
  "properties": {
    "k": {
      "type": "integer",
      "default": 25,
      "description": "Max references (default 25, max 100)."
    },
    "id": {
      "type": "string",
      "description": "arXiv ID or OpenAlex Work ID."
    }
  }
}

search_papers

Search 8.5 million academic papers (arXiv + biomedical: PMC / bioRxiv / medRxiv, all disciplines) by topic, keyword, author, or linked entity (gene / protein / disease). Each hit returns id, title, TLDR, type, and links. Use to find papers about a topic, e.g. 'transformer efficiency' or 'CRISPR base editing'.

read-only

Argument	Type	Description
k	integer	Number of results (default 10, max 25).
query*	string	Natural-language search query. E.g. 'transformer attention efficiency', 'graph neural networks for molecular property prediction'.
year_max	integer	Latest publication year.
year_min	integer	Earliest publication year, e.g. 2024.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "query"
  ],
  "properties": {
    "k": {
      "type": "integer",
      "default": 10,
      "description": "Number of results (default 10, max 25)."
    },
    "query": {
      "type": "string",
      "description": "Natural-language search query. E.g. 'transformer attention efficiency', 'graph neural networks for molecular property prediction'."
    },
    "year_max": {
      "type": "integer",
      "description": "Latest publication year."
    },
    "year_min": {
      "type": "integer",
      "description": "Earliest publication year, e.g. 2024."
    }
  }
}

similar_papers

Find papers semantically similar to a given paper using SPECTER2 embeddings (trained on scientific-citation triplets). Returns nearest neighbors with TLDR. Use when the user wants 'papers like X' or 'what's adjacent to this work'.

read-only

Argument	Type	Description
k	integer	Number of neighbors (default 10, max 25).
id*	string	arXiv ID or OpenAlex Work ID.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "id"
  ],
  "properties": {
    "k": {
      "type": "integer",
      "default": 10,
      "description": "Number of neighbors (default 10, max 25)."
    },
    "id": {
      "type": "string",
      "description": "arXiv ID or OpenAlex Work ID."
    }
  }
}