Server has 5 tools with complete input schemas and descriptions. Naming follows verb_noun convention (getstream_feed_*). Descriptions are present but generic (avg 95 chars, below 194-char baseline). Parameters are typed with Zod and have descriptions. Error handling returns structured text responses but lacks recovery guidance. No output schema documentation. Missing tool annotations (readOnlyHint/destructiveHint). Confirm gates on write operations are good practice but not a substitute for proper error classification.

• Document output schema for each tool. Example: 'Returns {results: Array<{id, name, created_at}>, total: number}'. This enables LLMs to extract and chain results.
• Enhance error responses with recovery guidance. Instead of 'Failed to get following for notification:user_123, Error: 404', return 'Feed notification:user_123 not found. Verify feed_slug and feed_id are correct, or call getstream_feed_activities to list available feeds.'
• Add tool annotations via McpServer.registerTool() options: readOnlyHint for read tools, destructiveHint for follow/unfollow. This signals safety properties to agents.
• Expand getstream_feed_activities description to clarify what 'activities' means (e.g., 'Retrieves activity feed entries (posts, likes, follows) with timestamps and metadata'). Add example: 'Use this to audit feed content or debug notification delivery.'
• Improve confirm parameter validation: return structured error {error: 'confirmation_required', message: 'This operation modifies feed subscriptions. Set confirm: true to proceed.'} instead of plain text.