Server has 10 tools with complete schemas and descriptions, but quality is inconsistent. Naming follows verb_noun convention well (search_models, get_model, list_rankings, etc.). Descriptions are present but often generic (avg ~80 chars, below 194-char baseline). Parameters have types and descriptions, but lack constraints (enums, ranges, format specs). Output schemas are not documented. Two write-risk tools (create_order, purchase) lack confirmation/dry-run patterns. Error handling and recovery guidance are absent. No tool annotations (readOnlyHint/destructiveHint). Composition is reasonable, tools are single-purpose and chainable via slug/ID returns.

• Document output schemas for all tools. Example: search_models returns {results: [{slug: string, name: string, category: string, provider: string}], total: number, limit: number}. This enables LLMs to chain tools and extract IDs.
• Add min/max constraints to numeric parameters. E.g., limit: {type: 'number', minimum: 1, maximum: 100, description: 'Max results (default 20, max 100)'}. Prevents absurd values.
• Implement confirmation pattern for create_order and purchase. Add a dry_run boolean parameter or a separate preview_order tool that returns estimated cost/details before committing.
• Expand parameter descriptions with format/constraint hints. E.g., 'query: Search term (1-256 chars, alphanumeric + spaces)' or 'message: Plain text message to seller (max 1000 chars)'.
• Add error recovery guidance to tool descriptions. E.g., 'If listing not found, call browse_marketplace() to discover available listings. If purchase fails with insufficient_balance, check wallet via get_wallet_balance().' (Requires new tools or error response examples.)