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References of

references_of
Read-onlyIdempotent

What the given work CITES (its reference list). Use when a user asks what a paper relies on, whether a specific citation in it exists, or wants to check a reference before reusing it. Paged.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
limitNoMaximum 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.
offsetNoHow 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.
identifierYesDOI, arXiv id, OpenAlex id, or internal claim id
asserted_onlyNoIf true, restrict to human-signed (asserted) edges. If false (default), return both asserted and machine-inferred edges.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed2 schema fields changed
    • addedInput schema / properties / limit
      Added value: +{
      +  "default": 100,
      +  "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.",
      +  "maximum": 1000,
      +  "minimum": 1,
      +  "type": "integer"
      +}
    • addedInput schema / properties / offset
      Added value: +{
      +  "default": 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.",
      +  "minimum": 0,
      +  "type": "integer"
      +}
  2. First observed

TDQS

A4.2/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already cover the safety profile (readOnly, idempotent, non-destructive). The description adds that results are paged, which is real context. It does not mention return shape, but the schema descriptions carry has_more/inferred_total, so the 3 reflects useful but modest added behavioral context.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Three tight sentences: definition, then use cases, then the paging note. Front-loaded with the core operation and free of filler.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a read-only, paged list tool with a fully documented schema and annotations covering safety, the description supplies direction, use cases, and the paging caveat. It is largely complete, though it could have noted what an 'edge' or tier represents.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100% and the schema already documents limit, offset, identifier formats, and asserted_only in detail. The description adds nothing parameter-specific, so the baseline 3 is correct.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb and resource ('What the given work CITES (its reference list)') and names the direction of the edge. This clearly distinguishes it from the sibling 'what_cites', which reads the opposite direction. An agent can pick between them without opening a schema.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Gives three concrete triggering scenarios: asking what a paper relies on, checking whether a specific citation exists, and vetting a reference before reuse. No exclusions are stated, but the sibling set makes the boundary obvious and the positive conditions are unusually specific.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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