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readwise_save_document

Save web documents or HTML content to Readwise Reader for organized reading and highlights management. Supports tagging, categorization, and custom storage locations.

Instructions

Save a document (URL or HTML content) to Readwise Reader

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
urlYesURL of the document to save
htmlNoHTML content of the document (optional)
tagsNoTags to add to the document
locationNoLocation to save the document (default: new)
categoryNoCategory of the document (auto-detected if not specified)

Implementation Reference

  • The main handler function that implements the logic for the 'readwise_save_document' tool. It initializes the Readwise client, casts arguments to CreateDocumentRequest, calls client.createDocument, and formats a success response with document details and any messages.
    export async function handleSaveDocument(args: any) {
      const client = initializeClient();
      const data = args as unknown as CreateDocumentRequest;
      const response = await client.createDocument(data);
    
      let responseText = `Document saved successfully!\nID: ${response.data.id}\nTitle: ${response.data.title || 'Untitled'}\nURL: ${response.data.url}\nLocation: ${response.data.location}`;
      
      if (response.messages && response.messages.length > 0) {
        responseText += '\n\nMessages:\n' + response.messages.map(msg => `${msg.type.toUpperCase()}: ${msg.content}`).join('\n');
      }
    
      return {
        content: [
          {
            type: 'text',
            text: responseText,
          },
        ],
      };
    }
  • The tool definition including name, description, and detailed inputSchema for validating arguments to 'readwise_save_document', specifying required 'url' and optional fields like html, tags, location, category.
    {
      name: 'readwise_save_document',
      description: 'Save a document (URL or HTML content) to Readwise Reader',
      inputSchema: {
        type: 'object',
        properties: {
          url: {
            type: 'string',
            description: 'URL of the document to save',
          },
          html: {
            type: 'string',
            description: 'HTML content of the document (optional)',
          },
          tags: {
            type: 'array',
            items: { type: 'string' },
            description: 'Tags to add to the document',
          },
          location: {
            type: 'string',
            enum: ['new', 'later', 'shortlist', 'archive', 'feed'],
            description: 'Location to save the document (default: new)',
          },
          category: {
            type: 'string',
            enum: ['article', 'book', 'tweet', 'pdf', 'email', 'youtube', 'podcast'],
            description: 'Category of the document (auto-detected if not specified)',
          },
        },
        required: ['url'],
        additionalProperties: false,
      },
    },
  • The switch case in handleToolCall that registers and routes calls to the 'readwise_save_document' tool to the handleSaveDocument handler function.
    case 'readwise_save_document':
      return handleSaveDocument(args);
Behavior2/5

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

With no annotations provided, the description carries full burden but only states the basic action without disclosing behavioral traits like authentication needs, rate limits, error handling, or what happens on duplicate saves. It mentions saving but doesn't clarify if this creates new records or updates existing ones, leaving gaps in transparency.

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 front-loads the core purpose with zero waste. It directly states what the tool does without unnecessary elaboration, making it highly concise and well-structured.

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?

Given 5 parameters with full schema coverage but no annotations or output schema, the description is minimally adequate. It covers the basic action but lacks context on behavioral aspects like mutations, permissions, or return values, leaving room for improvement in completeness for a save operation.

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 schema already documents all parameters thoroughly. The description adds no additional meaning beyond implying URL or HTML input, which is partially covered in the schema. Baseline 3 is appropriate as the schema does the heavy lifting.

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 ('Save') and resource ('a document to Readwise Reader'), specifying it accepts URL or HTML content. It distinguishes from siblings like readwise_list_documents (list vs. save) but doesn't explicitly differentiate from readwise_update_document, which might also involve saving modifications.

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 on when to use this tool versus alternatives like readwise_update_document for existing documents or readwise_list_documents for retrieval. The description implies usage for saving new documents but lacks explicit context 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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