AlphAI

Trending news (48h)

alphai_trending

Read-onlyIdempotent

Top news from the last 48h ranked by AI-assigned relevance decayed by article age (fresh stories lead; at most two stories per ticker, and market-wide macro stories — Fed/CPI, commodities, geopolitics, carrying no tickers — capped per category). Use this when the user asks 'what's moving' / 'what's the big story'. Lower min_relevance to surface weaker movers. By default each item carries the full AI analysis inline — no follow-up alphai_article call needed for depth. Coverage of one event — syndicated reprints and independent write-ups alike — is collapsed to a single representative by default (dedupe=false to keep all), and each item reports story_id (the story root's uid — a stable story key, the same value the other news tools report for that story), sources_count and sources. Most stories run at a single outlet, so sources_count is usually 1; a value above 1 is the signal, not the number itself. Use detail='compact' for headlines, sources, times, tickers, scores and story/search metadata without summary, analysis or SEC detail blocks. Expand uids with alphai_article. detail='full' is default; selection, order, cursors and page metadata are identical.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "alphai_trending"
  }
}

Input Schema

Name	Required	Description	Default
`limit`	No	Stories; capped at 20 Free/Basic, 50 Pro.
`dedupe`	No	Collapse coverage of one event (reprints and independent write-ups) by story (default true).
`detail`	No	full (default): existing item format. compact: headlines, sources, times, tickers, scores and story/search metadata without summary or analysis. Prefer compact for polling; alphai_article(uid) expands an item.	full
`min_relevance`	No	Min AI relevance 1-10; default 8.

Output Schema

Name	Required	Description	Default
`result`	Yes

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedOct 29, 2026

changedInput schema / properties / dedupe / description

Previous value: -"Collapse syndicated reprints by story (default true)."New value: +"Collapse coverage of one event (reprints and independent write-ups) by story (default true)."

Changed5 schema fields changedOct 10, 2026

addedInput schema / properties / detail

Added value: +{
+  "default": "full",
+  "description": "full (default): existing item format. compact: headlines, sources, times, tickers, scores and story/search metadata without summary or analysis. Prefer compact for polling; alphai_article(uid) expands an item.",
+  "enum": [
+    "full",
+    "compact"
+  ],
+  "type": "string"
+}

addedOutput schema / properties / result / items / anyOf

Added value: +[
+  {
+    "properties": {
+      "analysis": {
+        "anyOf": [
+          {
+            "properties": {
+              "actionability": {
+                "anyOf": [
+                  {
+                    "type": "string"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ],
+                "default": null
+              },
+              "alternative_perspectives": {
+                "anyOf": [
+                  {
+                    "properties": {
+                      "contrarian_view": {
+                        "anyOf": [
+                          {
+                            "type": "string"
+                          },
+                          {
+                            "type": "null"
+                          }
+                        ],
+                        "default": null
+                      },
+                      "overlooked_factors": {
+                        "anyOf": [
+                          {
+                            "type": "string"
+                          },
+                          {
+                            "type": "null"
+                          }
+                        ],
+                        "default": null
+                      }
+                    },
+                    "type": "object"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ],
+                "default": null
+              },
+              "background_context": {
+                "anyOf": [
+                  {
+                    "type": "string"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ],
+                "default": null
+              },
+              "indirect_market_effects": {
+                "anyOf": [
+                  {
+                    "properties": {
+                      "global_market_relevance": {
+                        "anyOf": [
+                          {
+                            "type": "string"
+                          },
+                          {
+                            "type": "null"
+                          }
+                        ],
+                        "default": null
+                      },
+                      "regional_market_impact": {
+                        "anyOf": [
+                          {
+                            "type": "string"
+                          },
+                          {
+                            "type": "null"
+                          }
+                        ],
+                        "default": null
+                      },
+                      "sector_implications": {
+                        "anyOf": [
+                          {
+                            "type": "string"
+                          },
+                          {
+                            "type": "null"
+                          }
+                        ],
+                        "default": null
+                      }
+                    },
+                    "type": "object"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ],
+                "default": null
+              },
+              "information_novelty": {
+                "anyOf": [
+                  {
+                    "type": "integer"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ],
+                "default": null
+              },
+              "key_entities": {
+                "items": {
+                  "properties": {
+                    "description": {
+                      "default": "",
+                      "type": "string"
+                    },
+                    "entity_type": {
+                      "default": "",
+                      "type": "string"
+                    },
+                    "name": {
+                      "default": "",
+                      "type": "string"
+                    }
+                  },
+                  "type": "object"
+                },
+                "type": "array"
+              },
+              "market_relevance_summary": {
+                "anyOf": [
+                  {
+                    "type": "string"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ],
+                "default": null
+              },
+              "market_sentiment_alignment": {
+                "anyOf": [
+                  {
+                    "type": "string"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ],
+                "default": null
+              },
+              "ticker_analysis": {
+                "items": {
+                  "properties": {
+                    "confidence": {
+                      "anyOf": [
+                        {
+                          "type": "string"
+                        },
+                        {
+                          "type": "null"
+                        }
+                      ],
+                      "default": null
+                    },
+                    "price_impact_prediction": {
+                      "anyOf": [
+                        {
+                          "type": "string"
+                        },
+                        {
+                          "type": "null"
+                        }
+                      ],
+                      "default": null
+                    },
+                    "reasoning": {
+                      "anyOf": [
+                        {
+                          "type": "string"
+                        },
+                        {
+                          "type": "null"
+                        }
+                      ],
+                      "default": null
+                    },
+                    "relevance_context": {
+                      "anyOf": [
+                        {
+                          "type": "string"
+                        },
+                        {
+                          "type": "null"
+                        }
+                      ],
+                      "default": null
+                    },
+                    "sentiment": {
+                      "anyOf": [
+                        {
+                          "type": "string"
+                        },
+                        {
+                          "type": "null"
+                        }
+                      ],
+                      "default": null
+                    },
+                    "ticker": {
+                      "type": "string"
+                    }
+                  },
+                  "required": [
+                    "ticker"
+                  ],
+                  "type": "object"
+                },
+                "type": "array"
+              },
+              "timing_relevance": {
+                "anyOf": [
+                  {
+                    "type": "string"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ],
+                "default": null
+              }
+            },
+            "type": "object"
+          },
+          {
+            "type": "null"
+          }
+        ],
+        "default": null
+      },
+      "banner_image": {
+        "anyOf": [
+          {
+            "type": "string"
+          },
+          {
+            "type": "null"
+          }
+        ],
+        "default": null
+      },
+      "category": {
+        "type": "string"
+      },
+      "created_at": {
+        "type": "string"
+      },
+      "earnings": {
+        "anyOf": [
+          {
+            "additionalProperties": true,
+            "type": "object"
+          },
+          {
+            "type": "null"
+          }
+        ],
+        "default": null
+      },
+      "filing": {
+        "anyOf": [
+          {
+            "description": "Structured SEC 8-K filing block (``source_type == \"sec_form8k\"`` items on\nthe news tools).\n\nA read-only projection of the 8-K sidecar\n(``apps.data.models.EightKEventModel``) — same fields and semantics as the\nREST ``/api/news/`` block (openapi.yaml: ``EightKFiling``): ``items`` is\nevery item code the filing carries (the ``item`` filter matches any of\nthem; empty for a header-only filing), ``primary_item`` the one that drove\nthe category, ``accession_number`` the id to cite, ``filed_at`` EDGAR's\nacceptance time, ``event_date`` the filing's own date of report and\n``exhibit_url`` the press-release exhibit the summary was built from.\nDates are ISO strings like the insider block; empty sidecar strings are\n``null``, never ``\"\"``.",
+            "properties": {
+              "accession_number": {
+                "type": "string"
+              },
+              "event_date": {
+                "anyOf": [
+                  {
+                    "type": "string"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ],
+                "default": null
+              },
+              "exhibit_url": {
+                "anyOf": [
+                  {
+                    "type": "string"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ],
+                "default": null
+              },
+              "filed_at": {
+                "type": "string"
+              },
+              "items": {
+                "items": {
+                  "type": "string"
+                },
+                "type": "array"
+              },
+              "primary_item": {
+                "anyOf": [
+                  {
+                    "type": "string"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ],
+                "default": null
+              }
+            },
+            "required": [
+              "items",
+              "accession_number",
+              "filed_at"
+            ],
+            "type": "object"
+          },
+          {
+            "type": "null"
+          }
+        ],
+        "default": null
+      },
+      "insider": {
+        "anyOf": [
+          {
+            "description": "Structured SEC Form 4 event block (``alphai_insider_news`` items only).\n\nAggregate of the news row's whole transaction group — same semantics as the\nREST ``/api/news/insider/`` block (openapi.yaml: ``InsiderEvent``): shares and\nvalue are GROUP sums (a 10b5-1 ladder is one event), ``avg_price_usd`` is\nvalue-weighted over priced tranches, ``is_10b5_1`` is the group OR, the\nlast fill dates the event. ``side`` is the signal label: buy (P) / sell (S)\n/ other (everything else, incl. D — sale to issuer, a buyback/redemption,\nnot an open-market disposition); the raw ``transaction_code`` rides along.\nMoney/share fields are decimal STRINGS (\"25000\", \"187.32\") — flat, precise,\nschema-simple; null when the filing prices no tranche.\n\n``filed_at`` is when EDGAR accepted the filing and ``late_filing`` marks the\nones that missed the SEC's two-business-day deadline; the rule lives in\n``_is_late_filing`` in ``repository.py`` (ported from the backend's\n``apps.insider.services.filing_lateness``). Field reference for both\nsurfaces: ``backend/openapi.yaml`` (``InsiderEvent``).",
+            "properties": {
+              "avg_price_usd": {
+                "anyOf": [
+                  {
+                    "type": "string"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ],
+                "default": null
+              },
+              "filed_at": {
+                "type": "string"
+              },
+              "insider_name": {
+                "type": "string"
+              },
+              "insider_title": {
+                "type": "string"
+              },
+              "is_10b5_1": {
+                "type": "boolean"
+              },
+              "is_director": {
+                "type": "boolean"
+              },
+              "is_officer": {
+                "type": "boolean"
+              },
+              "is_ten_percent_owner": {
+                "type": "boolean"
+              },
+              "late_filing": {
+                "type": "boolean"
+              },
+              "shares": {
+                "type": "string"
+              },
+              "side": {
+                "type": "string"
+              },
+              "total_value_usd": {
+                "anyOf": [
+                  {
+                    "type": "string"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ],
+                "default": null
+              },
+              "transaction_code": {
+                "type": "string"
+              },
+              "transaction_date": {
+                "type": "string"
+              }
+            },
+            "required": [
+              "side",
+              "transaction_code",
+              "shares",
+              "is_10b5_1",
+              "insider_name",
+              "insider_title",
+              "is_officer",
+              "is_director",
+              "is_ten_percent_owner",
+              "transaction_date",
+              "filed_at",
+              "late_filing"
+            ],
+            "type": "object"
+          },
+          {
+            "type": "null"
+          }
+        ],
+        "default": null
+      },
+      "ownership_form": {
+        "anyOf": [
+          {
+            "type": "string"
+          },
+          {
+            "type": "null"
+          }
+        ],
+        "default": null
+      },
+      "read_time_minutes": {
+        "anyOf": [
+          {
+            "type": "integer"
+          },
+          {
+            "type": "null"
+          }
+        ],
+        "default": null
+      },
+      "relevance_score": {
+        "type": "integer"
+      },
+      "search_match": {
+        "anyOf": [
+          {
+            "description": "Per-item evidence from the text path: ``score`` orders the page (cover\ndensity × recency; comparable within one response, not a probability),\n``terms_matched`` is set in broadened mode, ``context`` marks the matched\nwords in the summary with ``**``.",
+            "properties": {
+              "context": {
+                "anyOf": [
+                  {
+                    "type": "string"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ],
+                "default": null
+              },
+              "score": {
+                "type": "number"
+              },
+              "terms_matched": {
+                "anyOf": [
+                  {
+                    "type": "integer"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ],
+                "default": null
+              }
+            },
+            "required": [
+              "score"
+            ],
+            "type": "object"
+          },
+          {
+            "type": "null"
+          }
+        ],
+        "default": null
+      },
+      "source": {
+        "type": "string"
+      },
+      "source_domain": {
+        "type": "string"
+      },
+      "source_type": {
+        "default": "",
+        "type": "string"
+      },
+      "sources": {
+        "anyOf": [
+          {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          },
+          {
+            "type": "null"
+          }
+        ],
+        "default": null
+      },
+      "sources_count": {
+        "anyOf": [
+          {
+            "type": "integer"
+          },
+          {
+            "type": "null"
+          }
+        ],
+        "default": null
+      },
+      "story_id": {
+        "anyOf": [
+          {
+            "type": "string"
+          },
+          {
+            "type": "null"
+          }
+        ],
+        "default": null
+      },
+      "summary": {
+        "type": "string"
+      },
+      "tickers": {
+        "items": {
+          "type": "string"
+        },
+        "type": "array"
+      },
+      "time_published": {
+        "type": "string"
+      },
+      "title": {
+        "type": "string"
+      },
+      "uid": {
+        "type": "string"
+      },
+      "url": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "uid",
+      "title",
+      "url",
+      "source",
+      "source_domain",
+      "summary",
+      "category",
+      "relevance_score",
+      "time_published",
+      "created_at"
+    ],
+    "type": "object"
+  },
+  {
+    "description": "Opt-in feed projection. Expand ``uid`` with ``alphai_article``.\n\nOnly the two scalar analysis signals survive, at the top level. Summary,\nanalysis prose, images and SEC detail blocks are absent, not truncated.\nSearch evidence and Form 4 ownership remain so triage keeps its meaning.",
+    "properties": {
+      "actionability": {
+        "anyOf": [
+          {
+            "type": "string"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      },
+      "category": {
+        "type": "string"
+      },
+      "created_at": {
+        "type": "string"
+      },
+      "information_novelty": {
+        "anyOf": [
+          {
+            "type": "integer"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      },
+      "ownership_form": {
+        "anyOf": [
+          {
+            "type": "string"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      },
+      "relevance_score": {
+        "type": "integer"
+      },
+      "search_match": {
+        "anyOf": [
+          {
+            "description": "Per-item evidence from the text path: ``score`` orders the page (cover\ndensity × recency; comparable within one response, not a probability),\n``terms_matched`` is set in broadened mode, ``context`` marks the matched\nwords in the summary with ``**``.",
+            "properties": {
+              "context": {
+                "anyOf": [
+                  {
+                    "type": "string"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ],
+                "default": null
+              },
+              "score": {
+                "type": "number"
+              },
+              "terms_matched": {
+                "anyOf": [
+                  {
+                    "type": "integer"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ],
+                "default": null
+              }
+            },
+            "required": [
+              "score"
+            ],
+            "type": "object"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      },
+      "source": {
+        "type": "string"
+      },
+      "source_domain": {
+        "type": "string"
+      },
+      "source_type": {
+        "type": "string"
+      },
+      "sources": {
+        "anyOf": [
+          {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      },
+      "sources_count": {
+        "anyOf": [
+          {
+            "type": "integer"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      },
+      "story_id": {
+        "anyOf": [
+          {
+            "type": "string"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      },
+      "tickers": {
+        "items": {
+          "type": "string"
+        },
+        "type": "array"
+      },
+      "time_published": {
+        "type": "string"
+      },
+      "title": {
+        "type": "string"
+      },
+      "uid": {
+        "type": "string"
+      },
+      "url": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "uid",
+      "title",
+      "url",
+      "source",
+      "source_domain",
+      "source_type",
+      "time_published",
+      "created_at",
+      "tickers",
+      "category",
+      "relevance_score",
+      "actionability",
+      "information_novelty",
+      "story_id",
+      "sources_count",
+      "sources",
+      "ownership_form",
+      "search_match"
+    ],
+    "type": "object"
+  }
+]

removedOutput schema / properties / result / items / properties

Removed value: -{
-  "analysis": {
-    "anyOf": [
-      {
-        "properties": {
-          "actionability": {
-            "anyOf": [
-              {
-                "type": "string"
-              },
-              {
-                "type": "null"
-              }
-            ],
-            "default": null
-          },
-          "alternative_perspectives": {
-            "anyOf": [
-              {
-                "properties": {
-                  "contrarian_view": {
-                    "anyOf": [
-                      {
-                        "type": "string"
-                      },
-                      {
-                        "type": "null"
-                      }
-                    ],
-                    "default": null
-                  },
-                  "overlooked_factors": {
-                    "anyOf": [
-                      {
-                        "type": "string"
-                      },
-                      {
-                        "type": "null"
-                      }
-                    ],
-                    "default": null
-                  }
-                },
-                "type": "object"
-              },
-              {
-                "type": "null"
-              }
-            ],
-            "default": null
-          },
-          "background_context": {
-            "anyOf": [
-              {
-                "type": "string"
-              },
-              {
-                "type": "null"
-              }
-            ],
-            "default": null
-          },
-          "indirect_market_effects": {
-            "anyOf": [
-              {
-                "properties": {
-                  "global_market_relevance": {
-                    "anyOf": [
-                      {
-                        "type": "string"
-                      },
-                      {
-                        "type": "null"
-                      }
-                    ],
-                    "default": null
-                  },
-                  "regional_market_impact": {
-                    "anyOf": [
-                      {
-                        "type": "string"
-                      },
-                      {
-                        "type": "null"
-                      }
-                    ],
-                    "default": null
-                  },
-                  "sector_implications": {
-                    "anyOf": [
-                      {
-                        "type": "string"
-                      },
-                      {
-                        "type": "null"
-                      }
-                    ],
-                    "default": null
-                  }
-                },
-                "type": "object"
-              },
-              {
-                "type": "null"
-              }
-            ],
-            "default": null
-          },
-          "information_novelty": {
-            "anyOf": [
-              {
-                "type": "integer"
-              },
-              {
-                "type": "null"
-              }
-            ],
-            "default": null
-          },
-          "key_entities": {
-            "items": {
-              "properties": {
-                "description": {
-                  "default": "",
-                  "type": "string"
-                },
-                "entity_type": {
-                  "default": "",
-                  "type": "string"
-                },
-                "name": {
-                  "default": "",
-                  "type": "string"
-                }
-              },
-              "type": "object"
-            },
-            "type": "array"
-          },
-          "market_relevance_summary": {
-            "anyOf": [
-              {
-                "type": "string"
-              },
-              {
-                "type": "null"
-              }
-            ],
-            "default": null
-          },
-          "market_sentiment_alignment": {
-            "anyOf": [
-              {
-                "type": "string"
-              },
-              {
-                "type": "null"
-              }
-            ],
-            "default": null
-          },
-          "ticker_analysis": {
-            "items": {
-              "properties": {
-                "confidence": {
-                  "anyOf": [
-                    {
-                      "type": "string"
-                    },
-                    {
-                      "type": "null"
-                    }
-                  ],
-                  "default": null
-                },
-                "price_impact_prediction": {
-                  "anyOf": [
-                    {
-                      "type": "string"
-                    },
-                    {
-                      "type": "null"
-                    }
-                  ],
-                  "default": null
-                },
-                "reasoning": {
-                  "anyOf": [
-                    {
-                      "type": "string"
-                    },
-                    {
-                      "type": "null"
-                    }
-                  ],
-                  "default": null
-                },
-                "relevance_context": {
-                  "anyOf": [
-                    {
-                      "type": "string"
-                    },
-                    {
-                      "type": "null"
-                    }
-                  ],
-                  "default": null
-                },
-                "sentiment": {
-                  "anyOf": [
-                    {
-                      "type": "string"
-                    },
-                    {
-                      "type": "null"
-                    }
-                  ],
-                  "default": null
-                },
-                "ticker": {
-                  "type": "string"
-                }
-              },
-              "required": [
-                "ticker"
-              ],
-              "type": "object"
-            },
-            "type": "array"
-          },
-          "timing_relevance": {
-            "anyOf": [
-              {
-                "type": "string"
-              },
-              {
-                "type": "null"
-              }
-            ],
-            "default": null
-          }
-        },
-        "type": "object"
-      },
-      {
-        "type": "null"
-      }
-    ],
-    "default": null
-  },
-  "banner_image": {
-    "anyOf": [
-      {
-        "type": "string"
-      },
-      {
-        "type": "null"
-      }
-    ],
-    "default": null
-  },
-  "category": {
-    "type": "string"
-  },
-  "created_at": {
-    "type": "string"
-  },
-  "earnings": {
-    "anyOf": [
-      {
-        "additionalProperties": true,
-        "type": "object"
-      },
-      {
-        "type": "null"
-      }
-    ],
-    "default": null
-  },
-  "filing": {
-    "anyOf": [
-      {
-        "description": "Structured SEC 8-K filing block (``source_type == \"sec_form8k\"`` items on\nthe news tools).\n\nA read-only projection of the 8-K sidecar\n(``apps.data.models.EightKEventModel``) — same fields and semantics as the\nREST ``/api/news/`` block (openapi.yaml: ``EightKFiling``): ``items`` is\nevery item code the filing carries (the ``item`` filter matches any of\nthem; empty for a header-only filing), ``primary_item`` the one that drove\nthe category, ``accession_number`` the id to cite, ``filed_at`` EDGAR's\nacceptance time, ``event_date`` the filing's own date of report and\n``exhibit_url`` the press-release exhibit the summary was built from.\nDates are ISO strings like the insider block; empty sidecar strings are\n``null``, never ``\"\"``.",
-        "properties": {
-          "accession_number": {
-            "type": "string"
-          },
-          "event_date": {
-            "anyOf": [
-              {
-                "type": "string"
-              },
-              {
-                "type": "null"
-              }
-            ],
-            "default": null
-          },
-          "exhibit_url": {
-            "anyOf": [
-              {
-                "type": "string"
-              },
-              {
-                "type": "null"
-              }
-            ],
-            "default": null
-          },
-          "filed_at": {
-            "type": "string"
-          },
-          "items": {
-            "items": {
-              "type": "string"
-            },
-            "type": "array"
-          },
-          "primary_item": {
-            "anyOf": [
-              {
-                "type": "string"
-              },
-              {
-                "type": "null"
-              }
-            ],
-            "default": null
-          }
-        },
-        "required": [
-          "items",
-          "accession_number",
-          "filed_at"
-        ],
-        "type": "object"
-      },
-      {
-        "type": "null"
-      }
-    ],
-    "default": null
-  },
-  "insider": {
-    "anyOf": [
-      {
-        "description": "Structured SEC Form 4 event block (``alphai_insider_news`` items only).\n\nAggregate of the news row's whole transaction group — same semantics as the\nREST ``/api/news/insider/`` block (openapi.yaml: ``InsiderEvent``): shares and\nvalue are GROUP sums (a 10b5-1 ladder is one event), ``avg_price_usd`` is\nvalue-weighted over priced tranches, ``is_10b5_1`` is the group OR, the\nlast fill dates the event. ``side`` is the signal label: buy (P) / sell (S)\n/ other (everything else, incl. D — sale to issuer, a buyback/redemption,\nnot an open-market disposition); the raw ``transaction_code`` rides along.\nMoney/share fields are decimal STRINGS (\"25000\", \"187.32\") — flat, precise,\nschema-simple; null when the filing prices no tranche.\n\n``filed_at`` is when EDGAR accepted the filing and ``late_filing`` marks the\nones that missed the SEC's two-business-day deadline; the rule lives in\n``_is_late_filing`` in ``repository.py`` (ported from the backend's\n``apps.insider.services.filing_lateness``). Field reference for both\nsurfaces: ``backend/openapi.yaml`` (``InsiderEvent``).",
-        "properties": {
-          "avg_price_usd": {
-            "anyOf": [
-              {
-                "type": "string"
-              },
-              {
-                "type": "null"
-              }
-            ],
-            "default": null
-          },
-          "filed_at": {
-            "type": "string"
-          },
-          "insider_name": {
-            "type": "string"
-          },
-          "insider_title": {
-            "type": "string"
-          },
-          "is_10b5_1": {
-            "type": "boolean"
-          },
-          "is_director": {
-            "type": "boolean"
-          },
-          "is_officer": {
-            "type": "boolean"
-          },
-          "is_ten_percent_owner": {
-            "type": "boolean"
-          },
-          "late_filing": {
-            "type": "boolean"
-          },
-          "shares": {
-            "type": "string"
-          },
-          "side": {
-            "type": "string"
-          },
-          "total_value_usd": {
-            "anyOf": [
-              {
-                "type": "string"
-              },
-              {
-                "type": "null"
-              }
-            ],
-            "default": null
-          },
-          "transaction_code": {
-            "type": "string"
-          },
-          "transaction_date": {
-            "type": "string"
-          }
-        },
-        "required": [
-          "side",
-          "transaction_code",
-          "shares",
-          "is_10b5_1",
-          "insider_name",
-          "insider_title",
-          "is_officer",
-          "is_director",
-          "is_ten_percent_owner",
-          "transaction_date",
-          "filed_at",
-          "late_filing"
-        ],
-        "type": "object"
-      },
-      {
-        "type": "null"
-      }
-    ],
-    "default": null
-  },
-  "ownership_form": {
-    "anyOf": [
-      {
-        "type": "string"
-      },
-      {
-        "type": "null"
-      }
-    ],
-    "default": null
-  },
-  "read_time_minutes": {
-    "anyOf": [
-      {
-        "type": "integer"
-      },
-      {
-        "type": "null"
-      }
-    ],
-    "default": null
-  },
-  "relevance_score": {
-    "type": "integer"
-  },
-  "search_match": {
-    "anyOf": [
-      {
-        "description": "Per-item evidence from the text path: ``score`` orders the page (cover\ndensity × recency; comparable within one response, not a probability),\n``terms_matched`` is set in broadened mode, ``context`` marks the matched\nwords in the summary with ``**``.",
-        "properties": {
-          "context": {
-            "anyOf": [
-              {
-                "type": "string"
-              },
-              {
-                "type": "null"
-              }
-            ],
-            "default": null
-          },
-          "score": {
-            "type": "number"
-          },
-          "terms_matched": {
-            "anyOf": [
-              {
-                "type": "integer"
-              },
-              {
-                "type": "null"
-              }
-            ],
-            "default": null
-          }
-        },
-        "required": [
-          "score"
-        ],
-        "type": "object"
-      },
-      {
-        "type": "null"
-      }
-    ],
-    "default": null
-  },
-  "source": {
-    "type": "string"
-  },
-  "source_domain": {
-    "type": "string"
-  },
-  "source_type": {
-    "default": "",
-    "type": "string"
-  },
-  "sources": {
-    "anyOf": [
-      {
-        "items": {
-          "type": "string"
-        },
-        "type": "array"
-      },
-      {
-        "type": "null"
-      }
-    ],
-    "default": null
-  },
-  "sources_count": {
-    "anyOf": [
-      {
-        "type": "integer"
-      },
-      {
-        "type": "null"
-      }
-    ],
-    "default": null
-  },
-  "story_id": {
-    "anyOf": [
-      {
-        "type": "string"
-      },
-      {
-        "type": "null"
-      }
-    ],
-    "default": null
-  },
-  "summary": {
-    "type": "string"
-  },
-  "tickers": {
-    "items": {
-      "type": "string"
-    },
-    "type": "array"
-  },
-  "time_published": {
-    "type": "string"
-  },
-  "title": {
-    "type": "string"
-  },
-  "uid": {
-    "type": "string"
-  },
-  "url": {
-    "type": "string"
-  }
-}

removedOutput schema / properties / result / items / required

Removed value: -[
-  "uid",
-  "title",
-  "url",
-  "source",
-  "source_domain",
-  "summary",
-  "category",
-  "relevance_score",
-  "time_published",
-  "created_at"
-]

removedOutput schema / properties / result / items / type
```
Removed value: -"object"
```

Changed1 schema field changedSep 23, 2026

addedOutput schema / properties / result / items / properties / search_match

Added value: +{
+  "anyOf": [
+    {
+      "description": "Per-item evidence from the text path: ``score`` orders the page (cover\ndensity × recency; comparable within one response, not a probability),\n``terms_matched`` is set in broadened mode, ``context`` marks the matched\nwords in the summary with ``**``.",
+      "properties": {
+        "context": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null
+        },
+        "score": {
+          "type": "number"
+        },
+        "terms_matched": {
+          "anyOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null
+        }
+      },
+      "required": [
+        "score"
+      ],
+      "type": "object"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null
+}

Changed1 schema field changedSep 22, 2026

addedOutput schema / properties / result / items / properties / filing

Added value: +{
+  "anyOf": [
+    {
+      "description": "Structured SEC 8-K filing block (``source_type == \"sec_form8k\"`` items on\nthe news tools).\n\nA read-only projection of the 8-K sidecar\n(``apps.data.models.EightKEventModel``) — same fields and semantics as the\nREST ``/api/news/`` block (openapi.yaml: ``EightKFiling``): ``items`` is\nevery item code the filing carries (the ``item`` filter matches any of\nthem; empty for a header-only filing), ``primary_item`` the one that drove\nthe category, ``accession_number`` the id to cite, ``filed_at`` EDGAR's\nacceptance time, ``event_date`` the filing's own date of report and\n``exhibit_url`` the press-release exhibit the summary was built from.\nDates are ISO strings like the insider block; empty sidecar strings are\n``null``, never ``\"\"``.",
+      "properties": {
+        "accession_number": {
+          "type": "string"
+        },
+        "event_date": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null
+        },
+        "exhibit_url": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null
+        },
+        "filed_at": {
+          "type": "string"
+        },
+        "items": {
+          "items": {
+            "type": "string"
+          },
+          "type": "array"
+        },
+        "primary_item": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null
+        }
+      },
+      "required": [
+        "items",
+        "accession_number",
+        "filed_at"
+      ],
+      "type": "object"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null
+}

Changed6 schema fields changedSep 6, 2026

changedInput schema / properties / limit / description

Previous value: -"Stories; capped at 10 Basic / 50 Pro."New value: +"Stories; capped at 20 Free/Basic, 50 Pro."

addedOutput schema / properties / result / items / properties / created_at
```
Added value: +{
+  "type": "string"
+}
```

addedOutput schema / properties / result / items / properties / earnings

Added value: +{
+  "anyOf": [
+    {
+      "additionalProperties": true,
+      "type": "object"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null
+}

addedOutput schema / properties / result / items / properties / insider

Added value: +{
+  "anyOf": [
+    {
+      "description": "Structured SEC Form 4 event block (``alphai_insider_news`` items only).\n\nAggregate of the news row's whole transaction group — same semantics as the\nREST ``/api/news/insider/`` block (openapi.yaml: ``InsiderEvent``): shares and\nvalue are GROUP sums (a 10b5-1 ladder is one event), ``avg_price_usd`` is\nvalue-weighted over priced tranches, ``is_10b5_1`` is the group OR, the\nlast fill dates the event. ``side`` is the signal label: buy (P) / sell (S)\n/ other (everything else, incl. D — sale to issuer, a buyback/redemption,\nnot an open-market disposition); the raw ``transaction_code`` rides along.\nMoney/share fields are decimal STRINGS (\"25000\", \"187.32\") — flat, precise,\nschema-simple; null when the filing prices no tranche.\n\n``filed_at`` is when EDGAR accepted the filing and ``late_filing`` marks the\nones that missed the SEC's two-business-day deadline; the rule lives in\n``_is_late_filing`` in ``repository.py`` (ported from the backend's\n``apps.insider.services.filing_lateness``). Field reference for both\nsurfaces: ``backend/openapi.yaml`` (``InsiderEvent``).",
+      "properties": {
+        "avg_price_usd": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null
+        },
+        "filed_at": {
+          "type": "string"
+        },
+        "insider_name": {
+          "type": "string"
+        },
+        "insider_title": {
+          "type": "string"
+        },
+        "is_10b5_1": {
+          "type": "boolean"
+        },
+        "is_director": {
+          "type": "boolean"
+        },
+        "is_officer": {
+          "type": "boolean"
+        },
+        "is_ten_percent_owner": {
+          "type": "boolean"
+        },
+        "late_filing": {
+          "type": "boolean"
+        },
+        "shares": {
+          "type": "string"
+        },
+        "side": {
+          "type": "string"
+        },
+        "total_value_usd": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null
+        },
+        "transaction_code": {
+          "type": "string"
+        },
+        "transaction_date": {
+          "type": "string"
+        }
+      },
+      "required": [
+        "side",
+        "transaction_code",
+        "shares",
+        "is_10b5_1",
+        "insider_name",
+        "insider_title",
+        "is_officer",
+        "is_director",
+        "is_ten_percent_owner",
+        "transaction_date",
+        "filed_at",
+        "late_filing"
+      ],
+      "type": "object"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null
+}

addedOutput schema / properties / result / items / properties / source_type
```
Added value: +{
+  "default": "",
+  "type": "string"
+}
```

changedOutput schema / properties / result / items / required

Previous value: -[
-  "uid",
-  "title",
-  "url",
-  "source",
-  "source_domain",
-  "summary",
-  "category",
-  "relevance_score",
-  "time_published"
-]New value: +[
+  "uid",
+  "title",
+  "url",
+  "source",
+  "source_domain",
+  "summary",
+  "category",
+  "relevance_score",
+  "time_published",
+  "created_at"
+]

Changed1 schema field changedJul 6, 2026

changedInput schema / properties / limit / description

Previous value: -"Stories. 10 Basic / 50 Pro (tools.bulk)."New value: +"Stories; capped at 10 Basic / 50 Pro."

First observedJun 17, 2026

TDQS

A4.8/5.0

Behavior5/5

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

Beyond the readOnly/idempotent annotations, the description discloses ranking behavior, per-ticker caps, macro-story category caps, default event collapsing via dedupe, and the meaning of sources_count. It further clarifies that detail modes share identical selection, order, cursors, and page metadata, which is valuable behavioral context.

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 core ranking behavior and usage trigger are front-loaded, and almost every sentence carries operational meaning. It is dense and somewhat long, but the length is largely justified by the tool's ranking, dedupe, and detail-mode complexity.

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 annotations covering safety and an output schema covering return shape, the description focuses on the non-obvious behavior an agent needs: ranking, dedupe defaults, category caps, sources_count interpretation, and detail-mode tradeoffs. Nothing major needed to invoke it correctly is missing.

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

Parameters4/5

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

Schema coverage is 100%, so the schema already documents all four parameters thoroughly. The description still adds useful semantic guidance, especially for min_relevance ('surface weaker movers'), dedupe=false ('keep all'), and when to prefer detail='compact'.

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 resource and scope: top news from the last 48 hours, ranked by AI-assigned relevance decayed by article age. It also distinguishes the tool from siblings by explaining that full AI analysis is inline and no follow-up alphai_article call is needed for depth.

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 gives explicit triggering language: use this when the user asks 'what's moving' or 'what's the big story'. It also names operational alternatives and when to choose them, such as lowering min_relevance, using detail='compact' for polling, and expanding with alphai_article.

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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