Single tool with well-structured schema and comprehensive description. Tool name 'search_articles' follows verb_noun convention. Input schema includes all parameters with types and descriptions. Description is detailed (>500 chars) with when_to_use/when_not_to_use sections and output format guidance. Parameter validation is implemented (date format, limit range). However, output schema is not formally documented in the tool definition, only described in prose. Error handling returns user-friendly messages but lacks recovery guidance. No tool annotations (readOnlyHint is present in macro but not standard MCP annotations). Resource-based server with no prompts or sampling.

• Document output schema formally: define response as structured object with fields (articles: [{title, url, department, column, date}], total_count, has_more). Include in tool definition or response type annotation.
• Enhance error messages with recovery guidance: 'limit out of range (got 100, must be 1-50)' → 'limit out of range (got 100, must be 1-50). Try limit=50 for the most recent results.'
• Add pagination support: introduce optional 'offset' parameter and return 'total_count' and 'has_more' fields so agents can iterate through large result sets.
• Migrate to HTTP transport (Streamable HTTP or HTTP+SSE) to enable remote access and hosted client integration.
• Standardize tool annotations: use io.modelcontextprotocol/toolAnnotations capability negotiation instead of custom macro attributes for readOnly, destructive, idempotent hints.