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KerkhofMe
by KerkhofMe

get_activity

Retrieve detailed Strava activity data by ID to analyze workouts, track performance metrics, and review training progress.

Instructions

Get detailed information for a specific Strava activity by ID

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
activity_idYesThe Strava activity ID

Implementation Reference

  • Registration and handler implementation for the 'get_activity' tool.
    server.tool(
      "get_activity",
      "Get detailed information for a specific Strava activity by ID",
      {
        activity_id: z.number().describe("The Strava activity ID"),
      },
      async ({ activity_id }) => {
        const activity = await stravaFetch(`/activities/${activity_id}`);
        return {
          content: [{ type: "text", text: JSON.stringify(activity, null, 2) }],
        };
      }
    );
Behavior2/5

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

With no annotations provided, the description carries full burden for behavioral disclosure. It states this is a 'get' operation but doesn't mention whether it requires authentication, has rate limits, returns paginated results, or what format the detailed information takes. This leaves significant gaps in understanding how the tool behaves.

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, efficient sentence that communicates the core purpose without any wasted words. It's appropriately sized for a simple retrieval tool and gets straight to the point.

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?

For a tool with no annotations and no output schema, the description is insufficient. It doesn't explain what 'detailed information' includes, whether authentication is required, or how errors are handled. Given the lack of structured metadata, the description should provide more context about the tool's behavior and output.

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?

The schema description coverage is 100%, with the single parameter 'activity_id' clearly documented in the schema. The description adds no additional parameter information beyond what's already in the structured schema, so it meets the baseline expectation but doesn't provide extra value.

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 states the action ('Get detailed information') and target resource ('specific Strava activity by ID'), making the purpose immediately understandable. However, it doesn't explicitly differentiate this tool from its sibling 'get_activities' (which likely returns multiple activities), leaving some ambiguity about when to use one versus the other.

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?

The description provides no guidance on when to use this tool versus alternatives like 'get_activities' or 'get_activity_streams'. It doesn't mention prerequisites, context for use, or any exclusion criteria. The agent must infer usage from the tool name alone.

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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