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Glama

OneQAZ Trading Intelligence

by io.github.wnsod
OverviewDiscussionsAdmin

Losing Trades

get_losing_trades
Read-onlyIdempotent

Purpose: Losing paper trades only (P&L < 0). Convenience wrapper around get_trade_history(max_pnl=-0.01). Triggers (casual questions too): "어디서 잃었어?", "show me the losses", "what went wrong?", "worst trades?", "손실 난 거래 뭐야?". When to call: failure-pattern review. Prerequisites: none. Next steps: analyze_trades for breakdowns. Caveats: paper-trading data only.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
limitNoMax results (default 10)
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. Changed1 schema field changed
    • addedInput schema / additionalProperties
      Added value: +false
  2. 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)"
-}
  3. Changed3 schema fields changed
    • addedInput schema / properties / limit / description
      Added value: +"Max results (default 10)"
    • 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"
+]
  4. 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"
+  }
+]
  5. 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_trade_history.",
+        "properties": {
+          "filters": {
+            "additionalProperties": true,
+            "type": "object"
+          },
+          "market_id": {
+            "type": "string"
+          },
+          "stats": {
+            "additionalProperties": true,
+            "properties": {
+              "avg_pnl": {
+                "type": "number"
+              },
+              "losses": {
+                "type": "integer"
+              },
+              "total_pnl": {
+                "type": "number"
+              },
+              "total_trades": {
+                "type": "integer"
+              },
+              "win_rate": {
+                "type": "number"
+              },
+              "wins": {
+                "type": "integer"
+              }
+            },
+            "required": [
+              "total_trades",
+              "wins",
+              "losses",
+              "win_rate",
+              "total_pnl",
+              "avg_pnl"
+            ],
+            "type": "object"
+          },
+          "trades": {
+            "items": {
+              "additionalProperties": true,
+              "properties": {
+                "action": {
+                  "anyOf": [
+                    {
+                      "type": "string"
+                    },
+                    {
+                      "type": "null"
+                    }
+                  ],
+                  "default": null
+                },
+                "ai_score": {
+                  "anyOf": [
+                    {
+                      "type": "number"
+                    },
+                    {
+                      "type": "null"
+                    }
+                  ],
+                  "default": null
+                },
+                "entry_price": {
+                  "anyOf": [
+                    {
+                      "type": "number"
+                    },
+                    {
+                      "type": "null"
+                    }
+                  ],
+                  "default": null
+                },
+                "entry_timestamp": {
+                  "anyOf": [
+                    {
+                      "type": "integer"
+                    },
+                    {
+                      "type": "null"
+                    }
+                  ],
+                  "default": null
+                },
+                "exit_price": {
+                  "anyOf": [
+                    {
+                      "type": "number"
+                    },
+                    {
+                      "type": "null"
+                    }
+                  ],
+                  "default": null
+                },
+                "exit_timestamp": {
+                  "anyOf": [
+                    {
+                      "type": "integer"
+                    },
+                    {
+                      "type": "null"
+                    }
+                  ],
+                  "default": null
+                },
+                "holding_duration": {
+                  "anyOf": [
+                    {
+                      "type": "integer"
+                    },
+                    {
+                      "type": "null"
+                    }
+                  ],
+                  "default": null
+                },
+                "profit_loss_pct": {
+                  "anyOf": [
+                    {
+                      "type": "number"
+                    },
+                    {
+                      "type": "null"
+                    }
+                  ],
+                  "default": null
+                },
+                "signal_pattern": {
+                  "anyOf": [
+                    {
+                      "type": "string"
+                    },
+                    {
+                      "type": "null"
+                    }
+                  ],
+                  "default": null
+                },
+                "symbol": {
+                  "type": "string"
+                }
+              },
+              "required": [
+                "symbol"
+              ],
+              "type": "object"
+            },
+            "type": "array"
+          }
+        },
+        "required": [
+          "market_id",
+          "stats"
+        ],
+        "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"
+]
  6. First observed

TDQS

A4.4/5.0
Behavior4/5

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

Annotations already cover read-only/idempotent/open-world, so the description's job is to add behavior beyond that. It does: the 'paper-trading data only' caveat and the underlying max_pnl=-0.01 filter semantics are genuinely useful context not derivable from annotations. It stops short of describing pagination or result shape, hence not a 5.

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?

Front-loaded with Purpose and organized under clear labels (Triggers, When to call, Prerequisites, Next steps, Caveats), so the agent can scan efficiently. The multilingual trigger list is somewhat verbose but serves a routing purpose; overall tight.

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?

With an output schema present and read-only annotations, the description needn't explain return values, and it doesn't. It supplies everything needed for correct invocation: scope, prerequisites (none), the sibling to prefer for unfiltered history, and the data caveat.

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% with only 2 parameters (limit, market_id), so the schema already fully documents them. The description adds no syntax or format detail beyond the schema, and the max_pnl value it mentions is an internal wrapper detail, not a callable parameter. Baseline 3 applies.

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?

States a specific verb (get/list), resource (losing trades), and precise scope (P&L < 0, paper only), and names the sibling it wraps (get_trade_history). An agent can distinguish it from get_winning_trades and get_trade_history without reading either schema.

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?

Explicit 'When to call: failure-pattern review', a concrete wrapper alternative (get_trade_history(max_pnl=-0.01)), and a named next step (analyze_trades). Sample trigger phrases including casual/non-English questions further remove ambiguity about when it applies.

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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