margin has 5 tools with clear verb-noun naming (list_docs, open_comments, resolve_thread, reply_thread, reopen_thread). Descriptions are present and moderately detailed (avg ~150 chars), explaining what each tool does and when to use it. However, parameter descriptions are sparse or missing entirely. open_comments has 3 parameters but only 'slug' has a description; 'all' and 'full' lack guidance on their purpose. resolve_thread and reply_thread parameters lack descriptions. Input schemas are present but minimal, most parameters are untyped strings with no constraints (enums, patterns, ranges). No output schemas are documented, forcing LLMs to infer response structure. Error handling is not visible in the tool definitions. The server is STDIO-only, which caps protocol readiness but does not directly penalize definition quality.

• Add descriptions to all parameters. For open_comments: 'all' → 'Include resolved threads in the response (default: false, open threads only)'; 'full' → 'Include the complete message history for each thread (default: false, latest comment only)'. For resolve_thread and reply_thread: 'note' → 'Optional one-line resolution note or reply body, posted as an AI comment'.
• Document output schemas for each tool. E.g., list_docs returns [{slug: string, open_count: int, total_count: int}]; open_comments returns {threads: [{id: int, block_id: int, quoted_text: string, context: [string, string], latest_comment: string, status: string, relocated: bool, orphaned: bool}]}.
• Add input validation constraints. For 'slug': pattern '^[a-z0-9/_-]+$' and description 'Document slug, e.g. "welcome" or "payments/refunds" (alphanumeric, /, -, _)'. For 'thread_id': description 'Positive integer thread ID (1 - 2147483647)'.
• Add error recovery guidance to descriptions. E.g., open_comments: 'If slug is not found, returns error 404 with available slugs. If thread_id is invalid, returns error 400 with valid range.'
• Annotate write tools with destructiveHint. resolve_thread, reply_thread, and reopen_thread should include 'destructiveHint: true' or 'idempotentHint: true' in their definitions to signal state modification to the LLM.