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mark_news_as_read

Mark news articles as read to manage your reading progress and reduce clutter in the N Lobby school portal.

Instructions

Mark news articles as read

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
idsYesArray of news article IDs to mark as read

Implementation Reference

  • src/server.ts:432-448 (registration)
    Registration of the 'mark_news_as_read' tool in the ListToolsRequestSchema handler, including description and input schema defining required 'ids' array.
    {
      name: "mark_news_as_read",
      description: "Mark news articles as read",
      inputSchema: {
        type: "object",
        properties: {
          ids: {
            type: "array",
            items: {
              type: "string",
            },
            description: "Array of news article IDs to mark as read",
          },
        },
        required: ["ids"],
      },
    },
  • The main handler for executing the 'mark_news_as_read' tool. Parses input arguments, validates presence of IDs, iterates over each ID calling the underlying API method this.api.markNewsAsRead(newsId), collects results and errors, and formats a response text with successes and failures.
    case "mark_news_as_read":
      try {
        const { ids } = args as { ids: string[] };
    
        if (!ids || ids.length === 0) {
          return {
            content: [
              {
                type: "text",
                text: "Error: No news article IDs provided. Please specify 'ids' parameter with at least one ID.",
              },
            ],
          };
        }
    
        // Process each ID sequentially
        const results = [];
        const errors = [];
    
        for (const newsId of ids) {
          try {
            await this.api.markNewsAsRead(newsId);
            results.push(newsId);
          } catch (error) {
            errors.push({
              id: newsId,
              error:
                error instanceof Error ? error.message : "Unknown error",
            });
          }
        }
    
        // Prepare response message
        let responseText = "";
    
        if (results.length > 0) {
          responseText += `Successfully marked ${results.length} news article(s) as read: ${results.join(", ")}\n`;
        }
    
        if (errors.length > 0) {
          responseText += `\nFailed to mark ${errors.length} news article(s) as read:\n`;
          errors.forEach(({ id, error }) => {
            responseText += `- ${id}: ${error}\n`;
          });
        }
    
        return {
          content: [
            {
              type: "text",
              text: responseText.trim(),
            },
          ],
        };
      } catch (error) {
        return {
          content: [
            {
              type: "text",
              text: `Error marking news as read: ${error instanceof Error ? error.message : "Unknown error"}`,
            },
          ],
        };
      }
Behavior2/5

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. While 'mark as read' implies a mutation/write operation, it doesn't specify whether this requires specific permissions, if changes are reversible, what happens on success/failure, or any rate limits. The description lacks crucial behavioral context for a mutation tool.

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 with zero wasted words. It's appropriately sized for a simple tool and gets straight to the point without unnecessary elaboration.

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 mutation tool with no annotations and no output schema, the description is inadequate. It doesn't explain what happens after marking articles as read, whether there are side effects, what the return value might be, or any error conditions. The context signals indicate this is a non-trivial operation (changing state) that needs more complete documentation.

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 parameter 'ids' clearly documented as 'Array of news article IDs to mark as read'. The description doesn't add any meaningful semantic information beyond what the schema already provides, so the baseline score 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 states the action ('mark as read') and the resource ('news articles'), providing a specific verb+resource combination. However, it doesn't distinguish this tool from potential siblings like 'get_news' or 'get_news_detail' that might have overlapping domains.

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. There's no mention of prerequisites (e.g., needing authentication), when not to use it, or how it relates to sibling tools like 'get_news' or 'get_news_detail'.

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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