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Two simple tools with basic verb naming and input schemas, but multiple critical quality gaps. Tool names follow verb_noun pattern correctly ('get_chess_player_profile', 'get_chess_player_stats'). Input schemas are present and properly typed. However, descriptions are minimal (under 100 chars each), parameter descriptions exist but are generic, output schemas are completely undocumented, and error handling is poor. The server returns raw API responses without validation or limit enforcement. No pagination support despite potentially large datasets. No error categorization or recovery guidance. Baseline: average production tool has 194-char description and 72-char param annotation; these tools fall far short. Both tools are read-only with no state modification, which is correct, but the lack of output documentation and error handling guidance prevents confident agent usage.
Get the public profile for a Chess.com player by player_name.
Get the stats for a Chess.com player by player_name.
No output schema documentation. LLMs cannot plan downstream tool calls or extract required fields from responses. Tools return raw Chess.com API JSON without describing structure, field types, or what data is included.
Minimal tool descriptions (under 100 chars each). Baseline production tools average 194 chars. Descriptions lack WHEN to use, dependencies, or what the response contains. 'Get the public profile for a Chess.com player by player_name' does not explain what data is returned, whether the player must exist, or how this differs from get_chess_player_stats.
No error handling or recovery guidance. chess_api.py catches requests.exceptions but raises generic 'Failed to fetch player profile' errors. LLM receives no actionable recovery path: Should it retry? Search for a different username? Is the player deleted? Baseline expects error responses to guide next steps (pattern:recovery-guide).
| Scored | Grade | Overall | Spec posture | Rubric |
|---|---|---|---|---|
| 2026-09-22 | F | 11 | 2026-07-28+ | v2 |
| 2026-03-09 | F | 35 | - | v1 |
No result limits or pagination. Chess.com API responses for player profiles and stats are unbounded. Without documented limits or pagination parameters, agents risk blowing context windows and wasting tokens on metadata irrelevant to chat. Baseline: cap results at 20-50 items and offer pagination (pattern:paginated-result).
Parameter 'player_name' description is bare and generic ('The username of the chess.com player'). Does not specify: Is case-sensitive? Required format? What happens if player doesn't exist? Baseline param descriptions average 72 chars and include constraints and examples (via enum, not literal).
No input validation or constraint documentation. Parameter 'player_name' accepts any string. Should validate: non-empty, reasonable length, allowed characters. Currently silent on constraints, LLM will pass invalid values and receive cryptic API errors.