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OneQAZ Trading Intelligence

get_monthly_accuracy_trend

Read-onlyIdempotent

Purpose: Monthly accuracy time series per (category, target_market, lag_bucket). Use to verify sustained performance and detect recent degradation. Triggers (casual questions too): "is accuracy improving?", "적중률이 좋아지고 있어?", "monthly performance trend?", "최근에 예측 성능 떨어졌어?", "show accuracy over time". When to call: after get_prediction_accuracy and get_backtest_tuning_state — completes the trust chain. Prerequisites: get_prediction_accuracy recommended. Next steps: none (trust chain complete). Caveats: excludes the 'all' month aggregate; empty when backtest_results is unpopulated.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
categoryNoOptional category filter
target_marketNoOptional target market filter. Aliases coin/kr/us and any letter case are accepted.

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
full_dataNo
timestampYesRFC3339 UTC, server build time
disclaimerYesCanonical compliance disclaimer (always present)
request_idYes32-hex per-response correlation id
is_real_moneyNo
data_classificationNo
is_investment_adviceNo

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed17 schema fields changed
    • removedOutput schema / properties / _followup_questions_for_user
      Removed value: -{
      -  "anyOf": [
      -    {
      -      "items": {
      -        "type": "string"
      -      },
      -      "type": "array"
      -    },
      -    {
      -      "type": "null"
      -    }
      -  ],
      -  "default": null
      -}
    • removedOutput schema / properties / _llm_summary
      Removed value: -{
      -  "anyOf": [
      -    {
      -      "type": "string"
      -    },
      -    {
      -      "type": "null"
      -    }
      -  ],
      -  "default": null
      -}
    • removedOutput schema / properties / _market_state_narrative
      Removed value: -{
      -  "anyOf": [
      -    {
      -      "additionalProperties": true,
      -      "description": "Wrapper for `_market_state_narrative` — bilingual + provenance.",
      -      "properties": {
      -        "_source": {
      -          "anyOf": [
      -            {
      -              "type": "string"
      -            },
      -            {
      -              "type": "null"
      -            }
      -          ],
      -          "default": null
      -        },
      -        "en": {
      -          "anyOf": [
      -            {
      -              "additionalProperties": true,
      -              "description": "Bilingual narrative — one of {ko, en} must carry a headline.",
      -              "properties": {
      -                "evidence": {
      -                  "items": {
      -                    "type": "string"
      -                  },
      -                  "type": "array"
      -                },
      -                "headline": {
      -                  "type": "string"
      -                },
      -                "what_to_watch": {
      -                  "anyOf": [
      -                    {
      -                      "type": "string"
      -                    },
      -                    {
      -                      "type": "null"
      -                    }
      -                  ],
      -                  "default": null
      -                }
      -              },
      -              "required": [
      -                "headline"
      -              ],
      -              "type": "object"
      -            },
      -            {
      -              "type": "null"
      -            }
      -          ],
      -          "default": null
      -        },
      -        "ko": {
      -          "anyOf": [
      -            {
      -              "additionalProperties": true,
      -              "description": "Bilingual narrative — one of {ko, en} must carry a headline.",
      -              "properties": {
      -                "evidence": {
      -                  "items": {
      -                    "type": "string"
      -                  },
      -                  "type": "array"
      -                },
      -                "headline": {
      -                  "type": "string"
      -                },
      -                "what_to_watch": {
      -                  "anyOf": [
      -                    {
      -                      "type": "string"
      -                    },
      -                    {
      -                      "type": "null"
      -                    }
      -                  ],
      -                  "default": null
      -                }
      -              },
      -              "required": [
      -                "headline"
      -              ],
      -              "type": "object"
      -            },
      -            {
      -              "type": "null"
      -            }
      -          ],
      -          "default": null
      -        }
      -      },
      -      "type": "object"
      -    },
      -    {
      -      "type": "null"
      -    }
      -  ],
      -  "default": null
      -}
    • removedOutput schema / properties / _next_actions
      Removed value: -{
      -  "anyOf": [
      -    {
      -      "items": {
      -        "additionalProperties": true,
      -        "description": "One AI-actionable follow-up call recommendation.",
      -        "properties": {
      -          "args": {
      -            "additionalProperties": true,
      -            "type": "object"
      -          },
      -          "intent": {
      -            "description": "Short intent label, max ~120 chars",
      -            "type": "string"
      -          },
      -          "priority": {
      -            "default": "normal",
      -            "enum": [
      -              "high",
      -              "normal",
      -              "low"
      -            ],
      -            "type": "string"
      -          },
      -          "rationale": {
      -            "default": "",
      -            "description": "Why this is recommended",
      -            "type": "string"
      -          },
      -          "tool": {
      -            "description": "Recommended tool name to invoke next",
      -            "type": "string"
      -          }
      -        },
      -        "required": [
      -          "intent",
      -          "tool"
      -        ],
      -        "type": "object"
      -      },
      -      "type": "array"
      -    },
      -    {
      -      "type": "null"
      -    }
      -  ],
      -  "default": null
      -}
    • removedOutput schema / properties / _value_signals
      Removed value: -{
      -  "anyOf": [
      -    {
      -      "additionalProperties": true,
      -      "description": "Static product/value metadata — same for every response of a tool type.",
      -      "properties": {
      -        "data_freshness_seconds": {
      -          "default": 120,
      -          "type": "integer"
      -        },
      -        "key_signup_url": {
      -          "default": "https://api.oneqaz.com/keys",
      -          "type": "string"
      -        },
      -        "pricing_url": {
      -          "default": "https://api.oneqaz.com/pricing",
      -          "type": "string"
      -        },
      -        "schema_version": {
      -          "default": "1.1",
      -          "type": "string"
      -        },
      -        "self_correcting": {
      -          "default": true,
      -          "type": "boolean"
      -        },
      -        "tier_default": {
      -          "default": "free",
      -          "enum": [
      -            "free",
      -            "pro",
      -            "internal"
      -          ],
      -          "type": "string"
      -        },
      -        "tier_default_limits": {
      -          "additionalProperties": {
      -            "type": "integer"
      -          },
      -          "type": "object"
      -        },
      -        "what_pro_unlocks": {
      -          "default": "33x daily quota (50K), 3.3x burst (200/min) — same tools, higher volume",
      -          "type": "string"
      -        }
      -      },
      -      "type": "object"
      -    },
      -    {
      -      "type": "null"
      -    }
      -  ],
      -  "default": null
      -}
    • removedOutput schema / properties / action
      Removed value: -{
      -  "anyOf": [
      -    {
      -      "type": "string"
      -    },
      -    {
      -      "type": "null"
      -    }
      -  ],
      -  "default": null,
      -  "description": "Recommended client action (error path)"
      -}
    • removedOutput schema / properties / action_value
      Removed value: -{
      -  "anyOf": [
      -    {
      -      "type": "string"
      -    },
      -    {
      -      "type": "null"
      -    }
      -  ],
      -  "default": null
      -}
    • removedOutput schema / properties / ai_summary
      Removed value: -{
      -  "anyOf": [
      -    {
      -      "type": "string"
      -    },
      -    {
      -      "type": "null"
      -    }
      -  ],
      -  "default": null,
      -  "description": "One-line AI-oriented summary (success path)"
      -}
    • removedOutput schema / properties / ai_summary_generated_at
      Removed value: -{
      -  "anyOf": [
      -    {
      -      "type": "string"
      -    },
      -    {
      -      "type": "null"
      -    }
      -  ],
      -  "default": null,
      -  "description": "RFC3339 UTC"
      -}
    • removedOutput schema / properties / ai_summary_ttl_seconds
      Removed value: -{
      -  "anyOf": [
      -    {
      -      "minimum": 0,
      -      "type": "integer"
      -    },
      -    {
      -      "type": "null"
      -    }
      -  ],
      -  "default": null
      -}
    • removedOutput schema / properties / error
      Removed value: -{
      -  "anyOf": [
      -    {
      -      "type": "boolean"
      -    },
      -    {
      -      "type": "null"
      -    }
      -  ],
      -  "default": null,
      -  "description": "Set true on error responses"
      -}
    • removedOutput schema / properties / error_code
      Removed value: -{
      -  "anyOf": [
      -    {
      -      "type": "string"
      -    },
      -    {
      -      "type": "null"
      -    }
      -  ],
      -  "default": null,
      -  "description": "Stable error identifier; see mcp_error_policy.md"
      -}
    • removedOutput schema / properties / fallback_note
      Removed value: -{
      -  "anyOf": [
      -    {
      -      "type": "string"
      -    },
      -    {
      -      "type": "null"
      -    }
      -  ],
      -  "default": null
      -}
    • removedOutput schema / properties / fallback_tool
      Removed value: -{
      -  "anyOf": [
      -    {
      -      "type": "string"
      -    },
      -    {
      -      "type": "null"
      -    }
      -  ],
      -  "default": null,
      -  "description": "Suggested fallback (error path)"
      -}
    • removedOutput schema / properties / reason
      Removed value: -{
      -  "anyOf": [
      -    {
      -      "type": "string"
      -    },
      -    {
      -      "type": "null"
      -    }
      -  ],
      -  "default": null,
      -  "description": "Human-readable cause (error path)"
      -}
    • removedOutput schema / properties / retryable
      Removed value: -{
      -  "anyOf": [
      -    {
      -      "type": "boolean"
      -    },
      -    {
      -      "type": "null"
      -    }
      -  ],
      -  "default": null,
      -  "description": "Whether the client should retry (error path)"
      -}
    • removedOutput schema / properties / summary_for_user
      Removed value: -{
      -  "anyOf": [
      -    {
      -      "type": "string"
      -    },
      -    {
      -      "type": "null"
      -    }
      -  ],
      -  "default": null,
      -  "description": "One-line jargon-free Korean summary (success path)"
      -}
  2. Changed7 schema fields changed
    • addedInput schema / properties / category / anyOf
      Added value: +[
      +  {
      +    "type": "string"
      +  },
      +  {
      +    "type": "null"
      +  }
      +]
    • addedInput schema / properties / category / description
      Added value: +"Optional category filter"
    • removedInput schema / properties / category / type
      Removed value: -"string"
    • addedInput schema / properties / target_market / anyOf
      Added value: +[
      +  {
      +    "type": "string"
      +  },
      +  {
      +    "type": "null"
      +  }
      +]
    • addedInput schema / properties / target_market / description
      Added value: +"Optional target market filter. Aliases coin/kr/us and any letter case are accepted."
    • addedInput schema / properties / target_market / enum
      Added value: +[
      +  "crypto",
      +  "kr_stock",
      +  "us_stock"
      +]
    • removedInput schema / properties / target_market / type
      Removed value: -"string"
  3. Changed1 schema field changed
    • changedOutput schema / properties / _value_signals / anyOf
      Previous value: -[
      -  {
      -    "additionalProperties": true,
      -    "description": "Static product/value metadata — same for every response of a tool type.",
      -    "properties": {
      -      "data_freshness_seconds": {
      -        "default": 120,
      -        "type": "integer"
      -      },
      -      "key_signup_url": {
      -        "default": "https://api.oneqaz.com/keys",
      -        "type": "string"
      -      },
      -      "pricing_url": {
      -        "default": "https://api.oneqaz.com/pricing",
      -        "type": "string"
      -      },
      -      "schema_version": {
      -        "default": "1.0",
      -        "type": "string"
      -      },
      -      "self_correcting": {
      -        "default": true,
      -        "type": "boolean"
      -      },
      -      "tier_default": {
      -        "default": "free",
      -        "enum": [
      -          "free",
      -          "pro",
      -          "internal"
      -        ],
      -        "type": "string"
      -      },
      -      "tier_default_limits": {
      -        "additionalProperties": {
      -          "type": "integer"
      -        },
      -        "type": "object"
      -      },
      -      "what_pro_unlocks": {
      -        "default": "33x daily quota (50K), 3.3x burst (200/min) — same tools, higher volume",
      -        "type": "string"
      -      }
      -    },
      -    "type": "object"
      -  },
      -  {
      -    "type": "null"
      -  }
      -]New value: +[
      +  {
      +    "additionalProperties": true,
      +    "description": "Static product/value metadata — same for every response of a tool type.",
      +    "properties": {
      +      "data_freshness_seconds": {
      +        "default": 120,
      +        "type": "integer"
      +      },
      +      "key_signup_url": {
      +        "default": "https://api.oneqaz.com/keys",
      +        "type": "string"
      +      },
      +      "pricing_url": {
      +        "default": "https://api.oneqaz.com/pricing",
      +        "type": "string"
      +      },
      +      "schema_version": {
      +        "default": "1.1",
      +        "type": "string"
      +      },
      +      "self_correcting": {
      +        "default": true,
      +        "type": "boolean"
      +      },
      +      "tier_default": {
      +        "default": "free",
      +        "enum": [
      +          "free",
      +          "pro",
      +          "internal"
      +        ],
      +        "type": "string"
      +      },
      +      "tier_default_limits": {
      +        "additionalProperties": {
      +          "type": "integer"
      +        },
      +        "type": "object"
      +      },
      +      "what_pro_unlocks": {
      +        "default": "33x daily quota (50K), 3.3x burst (200/min) — same tools, higher volume",
      +        "type": "string"
      +      }
      +    },
      +    "type": "object"
      +  },
      +  {
      +    "type": "null"
      +  }
      +]
  4. Changed2 schema fields changed
    • addedOutput schema / properties
      Added value: +{
      +  "_followup_questions_for_user": {
      +    "anyOf": [
      +      {
      +        "items": {
      +          "type": "string"
      +        },
      +        "type": "array"
      +      },
      +      {
      +        "type": "null"
      +      }
      +    ],
      +    "default": null
      +  },
      +  "_llm_summary": {
      +    "anyOf": [
      +      {
      +        "type": "string"
      +      },
      +      {
      +        "type": "null"
      +      }
      +    ],
      +    "default": null
      +  },
      +  "_market_state_narrative": {
      +    "anyOf": [
      +      {
      +        "additionalProperties": true,
      +        "description": "Wrapper for `_market_state_narrative` — bilingual + provenance.",
      +        "properties": {
      +          "_source": {
      +            "anyOf": [
      +              {
      +                "type": "string"
      +              },
      +              {
      +                "type": "null"
      +              }
      +            ],
      +            "default": null
      +          },
      +          "en": {
      +            "anyOf": [
      +              {
      +                "additionalProperties": true,
      +                "description": "Bilingual narrative — one of {ko, en} must carry a headline.",
      +                "properties": {
      +                  "evidence": {
      +                    "items": {
      +                      "type": "string"
      +                    },
      +                    "type": "array"
      +                  },
      +                  "headline": {
      +                    "type": "string"
      +                  },
      +                  "what_to_watch": {
      +                    "anyOf": [
      +                      {
      +                        "type": "string"
      +                      },
      +                      {
      +                        "type": "null"
      +                      }
      +                    ],
      +                    "default": null
      +                  }
      +                },
      +                "required": [
      +                  "headline"
      +                ],
      +                "type": "object"
      +              },
      +              {
      +                "type": "null"
      +              }
      +            ],
      +            "default": null
      +          },
      +          "ko": {
      +            "anyOf": [
      +              {
      +                "additionalProperties": true,
      +                "description": "Bilingual narrative — one of {ko, en} must carry a headline.",
      +                "properties": {
      +                  "evidence": {
      +                    "items": {
      +                      "type": "string"
      +                    },
      +                    "type": "array"
      +                  },
      +                  "headline": {
      +                    "type": "string"
      +                  },
      +                  "what_to_watch": {
      +                    "anyOf": [
      +                      {
      +                        "type": "string"
      +                      },
      +                      {
      +                        "type": "null"
      +                      }
      +                    ],
      +                    "default": null
      +                  }
      +                },
      +                "required": [
      +                  "headline"
      +                ],
      +                "type": "object"
      +              },
      +              {
      +                "type": "null"
      +              }
      +            ],
      +            "default": null
      +          }
      +        },
      +        "type": "object"
      +      },
      +      {
      +        "type": "null"
      +      }
      +    ],
      +    "default": null
      +  },
      +  "_next_actions": {
      +    "anyOf": [
      +      {
      +        "items": {
      +          "additionalProperties": true,
      +          "description": "One AI-actionable follow-up call recommendation.",
      +          "properties": {
      +            "args": {
      +              "additionalProperties": true,
      +              "type": "object"
      +            },
      +            "intent": {
      +              "description": "Short intent label, max ~120 chars",
      +              "type": "string"
      +            },
      +            "priority": {
      +              "default": "normal",
      +              "enum": [
      +                "high",
      +                "normal",
      +                "low"
      +              ],
      +              "type": "string"
      +            },
      +            "rationale": {
      +              "default": "",
      +              "description": "Why this is recommended",
      +              "type": "string"
      +            },
      +            "tool": {
      +              "description": "Recommended tool name to invoke next",
      +              "type": "string"
      +            }
      +          },
      +          "required": [
      +            "intent",
      +            "tool"
      +          ],
      +          "type": "object"
      +        },
      +        "type": "array"
      +      },
      +      {
      +        "type": "null"
      +      }
      +    ],
      +    "default": null
      +  },
      +  "_value_signals": {
      +    "anyOf": [
      +      {
      +        "additionalProperties": true,
      +        "description": "Static product/value metadata — same for every response of a tool type.",
      +        "properties": {
      +          "data_freshness_seconds": {
      +            "default": 120,
      +            "type": "integer"
      +          },
      +          "key_signup_url": {
      +            "default": "https://api.oneqaz.com/keys",
      +            "type": "string"
      +          },
      +          "pricing_url": {
      +            "default": "https://api.oneqaz.com/pricing",
      +            "type": "string"
      +          },
      +          "schema_version": {
      +            "default": "1.0",
      +            "type": "string"
      +          },
      +          "self_correcting": {
      +            "default": true,
      +            "type": "boolean"
      +          },
      +          "tier_default": {
      +            "default": "free",
      +            "enum": [
      +              "free",
      +              "pro",
      +              "internal"
      +            ],
      +            "type": "string"
      +          },
      +          "tier_default_limits": {
      +            "additionalProperties": {
      +              "type": "integer"
      +            },
      +            "type": "object"
      +          },
      +          "what_pro_unlocks": {
      +            "default": "33x daily quota (50K), 3.3x burst (200/min) — same tools, higher volume",
      +            "type": "string"
      +          }
      +        },
      +        "type": "object"
      +      },
      +      {
      +        "type": "null"
      +      }
      +    ],
      +    "default": null
      +  },
      +  "action": {
      +    "anyOf": [
      +      {
      +        "type": "string"
      +      },
      +      {
      +        "type": "null"
      +      }
      +    ],
      +    "default": null,
      +    "description": "Recommended client action (error path)"
      +  },
      +  "action_value": {
      +    "anyOf": [
      +      {
      +        "type": "string"
      +      },
      +      {
      +        "type": "null"
      +      }
      +    ],
      +    "default": null
      +  },
      +  "ai_summary": {
      +    "anyOf": [
      +      {
      +        "type": "string"
      +      },
      +      {
      +        "type": "null"
      +      }
      +    ],
      +    "default": null,
      +    "description": "One-line AI-oriented summary (success path)"
      +  },
      +  "ai_summary_generated_at": {
      +    "anyOf": [
      +      {
      +        "type": "string"
      +      },
      +      {
      +        "type": "null"
      +      }
      +    ],
      +    "default": null,
      +    "description": "RFC3339 UTC"
      +  },
      +  "ai_summary_ttl_seconds": {
      +    "anyOf": [
      +      {
      +        "minimum": 0,
      +        "type": "integer"
      +      },
      +      {
      +        "type": "null"
      +      }
      +    ],
      +    "default": null
      +  },
      +  "data_classification": {
      +    "anyOf": [
      +      {
      +        "const": "research_information_only",
      +        "type": "string"
      +      },
      +      {
      +        "type": "null"
      +      }
      +    ],
      +    "default": null
      +  },
      +  "disclaimer": {
      +    "description": "Canonical compliance disclaimer (always present)",
      +    "type": "string"
      +  },
      +  "error": {
      +    "anyOf": [
      +      {
      +        "type": "boolean"
      +      },
      +      {
      +        "type": "null"
      +      }
      +    ],
      +    "default": null,
      +    "description": "Set true on error responses"
      +  },
      +  "error_code": {
      +    "anyOf": [
      +      {
      +        "type": "string"
      +      },
      +      {
      +        "type": "null"
      +      }
      +    ],
      +    "default": null,
      +    "description": "Stable error identifier; see mcp_error_policy.md"
      +  },
      +  "fallback_note": {
      +    "anyOf": [
      +      {
      +        "type": "string"
      +      },
      +      {
      +        "type": "null"
      +      }
      +    ],
      +    "default": null
      +  },
      +  "fallback_tool": {
      +    "anyOf": [
      +      {
      +        "type": "string"
      +      },
      +      {
      +        "type": "null"
      +      }
      +    ],
      +    "default": null,
      +    "description": "Suggested fallback (error path)"
      +  },
      +  "full_data": {
      +    "anyOf": [
      +      {
      +        "additionalProperties": true,
      +        "description": "`full_data` for get_monthly_accuracy_trend.",
      +        "properties": {
      +          "meta": {
      +            "additionalProperties": true,
      +            "type": "object"
      +          },
      +          "trend": {
      +            "items": {
      +              "additionalProperties": true,
      +              "properties": {
      +                "accuracy": {
      +                  "anyOf": [
      +                    {
      +                      "type": "number"
      +                    },
      +                    {
      +                      "type": "null"
      +                    }
      +                  ],
      +                  "default": null
      +                },
      +                "category": {
      +                  "anyOf": [
      +                    {
      +                      "type": "string"
      +                    },
      +                    {
      +                      "type": "null"
      +                    }
      +                  ],
      +                  "default": null
      +                },
      +                "lag_bucket": {
      +                  "anyOf": [
      +                    {
      +                      "type": "string"
      +                    },
      +                    {
      +                      "type": "null"
      +                    }
      +                  ],
      +                  "default": null
      +                },
      +                "month": {
      +                  "anyOf": [
      +                    {
      +                      "type": "string"
      +                    },
      +                    {
      +                      "type": "null"
      +                    }
      +                  ],
      +                  "default": null
      +                },
      +                "sample_count": {
      +                  "anyOf": [
      +                    {
      +                      "type": "integer"
      +                    },
      +                    {
      +                      "type": "null"
      +                    }
      +                  ],
      +                  "default": null
      +                },
      +                "target_market": {
      +                  "anyOf": [
      +                    {
      +                      "type": "string"
      +                    },
      +                    {
      +                      "type": "null"
      +                    }
      +                  ],
      +                  "default": null
      +                }
      +              },
      +              "type": "object"
      +            },
      +            "type": "array"
      +          }
      +        },
      +        "type": "object"
      +      },
      +      {
      +        "type": "null"
      +      }
      +    ],
      +    "default": null
      +  },
      +  "is_investment_advice": {
      +    "anyOf": [
      +      {
      +        "const": false,
      +        "type": "boolean"
      +      },
      +      {
      +        "type": "null"
      +      }
      +    ],
      +    "default": null
      +  },
      +  "is_real_money": {
      +    "anyOf": [
      +      {
      +        "const": false,
      +        "type": "boolean"
      +      },
      +      {
      +        "type": "null"
      +      }
      +    ],
      +    "default": null
      +  },
      +  "reason": {
      +    "anyOf": [
      +      {
      +        "type": "string"
      +      },
      +      {
      +        "type": "null"
      +      }
      +    ],
      +    "default": null,
      +    "description": "Human-readable cause (error path)"
      +  },
      +  "request_id": {
      +    "description": "32-hex per-response correlation id",
      +    "type": "string"
      +  },
      +  "retryable": {
      +    "anyOf": [
      +      {
      +        "type": "boolean"
      +      },
      +      {
      +        "type": "null"
      +      }
      +    ],
      +    "default": null,
      +    "description": "Whether the client should retry (error path)"
      +  },
      +  "summary_for_user": {
      +    "anyOf": [
      +      {
      +        "type": "string"
      +      },
      +      {
      +        "type": "null"
      +      }
      +    ],
      +    "default": null,
      +    "description": "One-line jargon-free Korean summary (success path)"
      +  },
      +  "timestamp": {
      +    "description": "RFC3339 UTC, server build time",
      +    "type": "string"
      +  }
      +}
    • addedOutput schema / required
      Added value: +[
      +  "disclaimer",
      +  "request_id",
      +  "timestamp"
      +]
  5. First observed

TDQS

A4.5/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint, openWorldHint, and idempotentHint. The description adds useful caveats beyond those: it excludes the 'all' month aggregate and returns empty when backtest_results is unpopulated. That is meaningful edge-case disclosure, though it does not describe every aspect of the response.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description uses clear labeled sections and front-loads purpose before usage and caveats. The trigger examples may be slightly redundant but serve the openWorldHint signal and every section earns its place.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

This is a simple read-only reporting tool with two optional parameters, a fully covered schema, and an output schema. The description covers purpose, triggers, workflow positioning, prerequisites, and caveats, leaving no critical gap for correct invocation.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Both parameters are fully described in the input schema (including enums and aliases), so the description is not required to re-document them. It adds the lag_bucket grouping concept, though that is not an input parameter and therefore provides limited parameter-selection value.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description opens with a specific result: 'Monthly accuracy time series per (category, target_market, lag_bucket).' This clearly distinguishes the tool from the many sibling reporting tools and makes its primary value obvious.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

It provides explicit when-to-call guidance, names predecessor tools (get_prediction_accuracy and get_backtest_tuning_state), states that it completes the trust chain, and even lists casual trigger questions. This is strong routing guidance with no ambiguity.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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