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citation-formatter

Formats academic paper citations in BibTeX, APA, MLA, or Chicago style from a DOI. Returns full metadata including authors, year, journal, and publisher.

Instructions

Looks up an academic paper by DOI and formats it as BibTeX, APA, MLA, or Chicago citation. Returns full paper metadata: authors, year, journal, volume, pages, publisher. Covers 148M+ works via CrossRef (free registry). Useful for research agents building reference lists, literature review workflows, and knowledge extraction pipelines.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
doiNoDigital Object Identifier (e.g. '10.1038/nature12345' or 'https://doi.org/10.1038/nature12345').
formatNoCitation format. 'all' returns every format. Default: 'bibtex'.
Behavior3/5

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

No annotations provided, so description carries full burden. It discloses return metadata, data source (CrossRef), and scale (148M+ works). Does not mention rate limits, authentication, or error handling, but sufficient for a read-only lookup.

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 concise sentences: purpose, return info, and use cases. No unnecessary words, front-loaded with the core function.

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?

No output schema, but description explains return values (authors, year, etc.). Covers data source and scope. Lacks mention of error cases like invalid DOI, but overall adequate for the tool's simplicity.

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 coverage is 100%, so baseline is 3. Description does not add extra meaning beyond what's in the schema for doi and format parameters; it only provides context about return format.

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?

Description clearly states it looks up a paper by DOI and formats into multiple citation styles. Specific verb+resource, distinguishes from siblings like research-paper-search or arxiv-intel by focusing on formatting.

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

Usage Guidelines4/5

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

Mentions use cases (reference lists, literature reviews, knowledge extraction) providing context. Lacks explicit when-not-to-use or alternatives, but the purpose is clear enough to guide appropriate usage.

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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