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reactome

reactome-mcp

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by reactome

reactome_export_reaction

Export a Reactome reaction diagram as an image by providing its stable ID. Choose from PNG, JPG, SVG, or GIF formats.

Instructions

Export a reaction diagram as an image.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
idYesReaction stable ID
formatNoImage formatsvg
qualityNoQuality/scale factor
Behavior1/5

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

With no annotations provided, the description carries the full burden of behavioral disclosure. It only says 'export an image' and does not mention side effects, read-only nature, error handling, or any constraints. This is a significant gap for a tool with no safety annotations.

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?

The description is a single, concise sentence with no fluff or redundancy. It is front-loaded with the verb and resource. Every word earns its place.

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

Completeness2/5

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

Given the tool has no annotations and no output schema, the description is too minimal. It does not explain what the output looks like (e.g., binary data, URL), does not differentiate from many sibling export tools, and provides no usage context. This leaves the agent with insufficient information.

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%, so the baseline is 3. The description does not add any extra meaning to the parameters beyond what the schema already provides (e.g., id, format, quality). It neither contradicts nor enhances the schema.

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?

The description states a specific verb ('export'), a specific resource ('reaction diagram'), and the output type ('image'). This clearly distinguishes it from sibling tools like reactome_export_sbgn or reactome_export_pdf, which target different formats or entity types.

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

Usage Guidelines2/5

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

No guidance is provided on when to use this tool versus alternatives such as reactome_export_diagram or reactome_export_sbgn. The description lacks any mention of appropriate use cases or exclusions.

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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