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OneQAZ Trading Intelligence

analyze_trades

Read-onlyIdempotent

Purpose: Aggregate paper trades by day / pattern / symbol. Triggers (casual questions too): "how's the week been?", "이번 주 매매 성적 어때?", "which patterns are working?", "어떤 종목이 제일 잘 벌었어?", "break down the trades", "daily P&L summary?". When to call: pattern audits, period-over-period performance review. Prerequisites: get_trade_history recommended for raw rows first. Next steps: market://{market_id}/signals/feedback for the upstream signals. Caveats: max 30 days; empty result when no trades in the window.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
daysNoAnalysis period in days (default 7, max 30)
market_idYesMarket ID (crypto, kr_stock, us_stock; aliases coin/kr/us 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. Changed3 schema fields changed
    • addedInput schema / properties / days / description
      Added value: +"Analysis period in days (default 7, max 30)"
    • addedInput schema / properties / market_id / description
      Added value: +"Market ID (crypto, kr_stock, us_stock; aliases coin/kr/us accepted)"
    • addedInput schema / properties / market_id / enum
      Added value: +[
      +  "crypto",
      +  "kr_stock",
      +  "us_stock"
      +]
  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 analyze_trades (day / pattern / symbol aggregates).",
      +        "properties": {
      +          "coin_stats": {
      +            "additionalProperties": {
      +              "additionalProperties": true,
      +              "type": "object"
      +            },
      +            "type": "object"
      +          },
      +          "daily_stats": {
      +            "additionalProperties": {
      +              "additionalProperties": true,
      +              "type": "object"
      +            },
      +            "type": "object"
      +          },
      +          "days": {
      +            "default": 0,
      +            "type": "integer"
      +          },
      +          "market_id": {
      +            "type": "string"
      +          },
      +          "pattern_stats": {
      +            "additionalProperties": {
      +              "additionalProperties": true,
      +              "type": "object"
      +            },
      +            "type": "object"
      +          },
      +          "top_coins": {
      +            "items": {},
      +            "type": "array"
      +          },
      +          "top_patterns": {
      +            "items": {},
      +            "type": "array"
      +          },
      +          "total_trades": {
      +            "default": 0,
      +            "type": "integer"
      +          }
      +        },
      +        "required": [
      +          "market_id"
      +        ],
      +        "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

A4.4/5.0
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 behavioral details beyond annotations: the aggregation dimension (day/pattern/symbol), the 30-day limit, and the empty-result behavior when no trades exist. No contradictions with annotations.

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

Conciseness4/5

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

The description is well-structured with labeled sections (Purpose, Triggers, When to call, Prerequisites, Next steps, Caveats). It front-loads the purpose and packs useful information without excessive fluff. It is slightly verbose with multiple trigger examples, but each section earns its place. The structure aids scanning.

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?

Given the tool's complexity (aggregation, multiple grouping dimensions, time window, potential empty results), the description covers purpose, triggers, prerequisites, next steps, and caveats. An output schema exists, so the return format is already documented. This is a complete, self-contained definition that leaves no critical gaps 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?

Schema description coverage is 100%, so both parameters (days and market_id) are fully documented in the schema. The description does not add new semantics beyond what the schema already states (e.g., default 7, max 30, enum values). It does mention 'max 30 days' in the caveats, but that duplicates the schema. Baseline 3 is appropriate.

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 states a specific verb (aggregate) and resource (paper trades) with explicit grouping dimensions (day/pattern/symbol). It clearly differentiates from siblings like get_trade_history (raw rows) and get_winning_trades/get_losing_trades (filtered views). No ambiguity about what the tool does.

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?

Provides explicit triggers (casual questions, pattern audits, period-over-period review), a prerequisite (get_trade_history recommended), and next steps (market:// signals feedback). It also includes caveats (max 30 days, empty result) that guide when to call. This is unusually thorough for usage direction.

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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