SettleGrid discovery server has 4 tools with minimal documentation. All tools have names starting with action verbs (search_, get_, list_), which is positive. However, tool descriptions are extremely brief (10-50 chars), parameter descriptions are missing entirely, and no input schemas are visible in the source code. The mcp.json file lists tool names and basic descriptions but provides no parameter type information, constraints, or output schemas. This is a discovery/metadata server, so the tools are simple, but the lack of schema documentation and parameter guidance makes it difficult for LLMs to use these tools correctly. No error handling guidance, no pagination info, and no output schema documentation visible.

• Add complete JSON Schema definitions for all tool inputs. For search_tools: specify that 'query' is a string (min 1 char), 'category' is optional and should be an enum of valid categories (e.g., 'ai-tools', 'billing', 'payment-processing'). For get_tool and get_developer: specify that IDs are strings matching a pattern (e.g., UUID or alphanumeric).
• Expand tool descriptions to 50-200 characters. Example: 'search_tools' → 'Search monetized AI tools by keyword or category. Returns matching tools with pricing, ratings, and developer info. Use this to discover available tools before calling get_tool for details.'
• Add parameter descriptions explaining format and constraints. E.g., 'query: Free-text search string (1-100 chars). Searches tool names, descriptions, and tags.' and 'category: Optional filter. Valid values: ai-tools, billing, payment-processing, settlement, metering.'
• Document output schemas for each tool. Specify that search_tools returns {tools: [{tool_id, name, category, price, rating, developer_id}], total_count, next_cursor}. This enables LLMs to chain calls (e.g., extract tool_id from search result, pass to get_tool).
• Add error handling guidance. E.g., 'If search returns no results, suggest refining the query or browsing list_categories. If get_tool fails with 404, the tool_id may be invalid, try search_tools first.'