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risnake

@rishblob/canvas-mcp-server

by risnake

get_conversation

Retrieve a specific Canvas conversation by its ID to view its details, messages, and participants.

Instructions

Get a specific conversation

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
conversation_idYesConversation ID

Schema Changelog

Changes observed during successful MCP inspections. Dates show when Glama detected each change.

  1. First observedv1.0.0

TDQS

B3.1/5.0
Behavior2/5

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

With no annotations, the description must carry the behavioral disclosure burden. 'Get' implies a read-only operation, but the description does not mention what happens for invalid IDs, permission requirements, rate limits, or whether a missing conversation returns an error or null. This is minimal transparency for a simple getter.

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 six-word sentence with no filler or redundant information. It is immediately front-loaded with the action and resource, making it easy to scan. Nothing could be removed without losing meaning.

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

Completeness3/5

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

For a tool with one well-documented parameter and no output schema, the description is minimally sufficient to allow a call attempt. However, it lacks any context about what a conversation contains, how it relates to sibling conversation tools, or what the return shape looks like. An agent could still call it correctly but without deeper situational awareness.

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 single parameter is already documented as 'Conversation ID'. The description adds no additional meaning about the parameter format, source, or acceptable values. With full schema coverage, the baseline of 3 is appropriate.

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

Purpose4/5

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

The description clearly names a verb ('Get') and a resource ('a specific conversation'), making the basic purpose immediately understandable. It distinguishes itself from list_conversations by emphasizing specificity, but it does not explicitly mention that it operates by conversation ID or differentiate itself from other detail-fetching tools like get_discussion.

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?

There is no guidance on when to use this tool versus alternatives such as list_conversations or get_course. The description implies that you use it when you want one specific conversation, but it does not state conditions, exclusions, or when a different tool would be more appropriate.

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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