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list-page-revisions

Read-only

View the full revision history for any Canvas page by providing the course ID and page URL slug.

Instructions

List all revisions for a page.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
pageUrlYesThe page's URL slug (e.g., 'syllabus')
courseIdYesThe ID of the course
Behavior3/5

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

Annotations declare readOnlyHint=true, and the description is consistent with this. However, the description adds no additional behavioral context beyond the basic listing action—no mention of return format, ordering, or pagination. It neither enriches nor contradicts the annotation.

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 unnecessary words. It is front-loaded with the key action and resource, making it highly scannable.

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 simple read-only list operation with well-defined parameters and annotations, the description is adequately complete. It might have mentioned what revision information is returned, but it is not essential for basic use.

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%, with both parameters (courseId and pageUrl) fully described. The description adds no parameter-specific meaning; the schema already provides complete semantic details.

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 'List all revisions for a page' uses a specific verb ('list') and clear resource ('revisions for a page'), distinguishing it from sibling tools like 'revert-page-revision' and 'get-page-content'. It unambiguously states the tool's function.

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

Usage Guidelines3/5

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

The description implies usage for viewing revision history but provides no explicit when-to-use or alternative comparisons. It does not mention when to choose this over 'get-page-content' or 'revert-page-revision', though the purpose is self-evident.

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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