Valuein — SEC EDGAR Fundamentals & Smart-Money Data

Valuation Metrics

get_valuation_metrics

Read-onlyIdempotent

Get what a US public company is TRADING AT, plus two parameter-free reference points. This is NOT an opinion of intrinsic worth — for that, call compute_dcf with assumptions you state explicitly, and present the result as a scenario, never as "the" fair value. Returns per-period data combining computed ratios (gross_margin, operating_margin, net_margin, ROE, ROA, ROIC, debt_to_equity, FCF, FCF margin), price-derived valuation_multiples (current_price, market_cap, pe_ratio, pb_ratio, ev_ebitda, dividend_yield), and reference_points (graham_number, ncav_per_share) — two assumption-free values computed directly from filed fundamentals, with no discount rate or growth assumption baked in. Profitability/cash-flow/leverage fields come from fact.parquet (PIT-safe via accepted_at). valuation_multiples and reference_points come from ratio.parquet's valuation category + stock_price.parquet period-end close (per-period current_price for every fiscal year), derived from EOD prices period-end-aligned. Each value is a {value, unit} pair (unit varies: x / USD / percent); a null value carries a null_reasons[field] code — ALWAYS check it before assuming zero (null != 0). Use this instead of get_financial_ratios when observed multiples matter; use get_financial_ratios when you only need the raw ratio table; use compute_dcf whenever the user is asking what the company is WORTH, not what it trades at. Available on all plans.

Input Schema

Name	Required	Description	Default
`limit`	No	Maximum number of periods to return (1–40). Defaults to 5.
`period`	No	Filing period granularity. Annual uses 10-K; quarterly uses 10-Q.	annual
`ticker`	Yes	Stock ticker symbol, e.g. AAPL, MSFT — or a CIK (SEC identifier), e.g. '0000320193'.
`as_of_date`	No	Point-in-time date (YYYY-MM-DD). Only returns data with accepted_at on or before this date. Eliminates look-ahead bias for backtesting.
`fiscal_year`	No	Fiscal year (YYYY). Omit to return most recent periods.

Output Schema

Name	Required	Description
`data`	Yes
`_meta`	Yes	Provenance envelope — data lineage for every MCP response
`period`	Yes
`ticker`	Yes
`as_of_date`	Yes
`periods_returned`	Yes

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedOct 29, 2026

changedOutput schema / properties / _meta / properties / cost_usd / properties / basis / description

Previous value: -"payg_charge = real charge (agent-pay or your balance). payg_rate_card = indicative price, not billed."New value: +"payg_charge = real pay-per-call charge (a card or MPP payment through agent-pay). payg_rate_card = indicative price, not billed."

Changed2 schema fields changedOct 29, 2026

changedOutput schema / properties / _meta / properties / cost_usd / properties / basis / description

Previous value: -"payg_charge = real agent-pay charge. payg_rate_card = indicative price, not billed."New value: +"payg_charge = real charge (agent-pay or your balance). payg_rate_card = indicative price, not billed."

changedOutput schema / properties / _meta / properties / cost_usd / properties / billed / description

Previous value: -"true = this amount was actually charged via PAYG for this call. false = indicative PAYG-equivalent value; your plan already covers this call for free."New value: +"true = this amount was actually charged via PAYG for this call. false = indicative PAYG-equivalent value only: no charge was made for this call (it was within your plan)."

Changed1 schema field changedOct 28, 2026

changed

Output schema / properties / data / items / properties / null_reasons / additionalProperties / properties / reason / enum

Previous value: -[
-  "INPUT_MISSING",
-  "DENOMINATOR_NEGATIVE",
-  "PIPELINE_NOT_AVAILABLE",
-  "PRICE_NOT_AVAILABLE"
-]New value: +[
+  "INPUT_MISSING",
+  "DENOMINATOR_NEGATIVE",
+  "PIPELINE_NOT_AVAILABLE",
+  "PRICE_NOT_AVAILABLE",
+  "CURRENCY_MISMATCH"
+]

Changed2 schema fields changedOct 20, 2026

added

Output schema / properties / data / items / properties / metrics_provenance / additionalProperties / properties / derived

Added value: +{
+  "additionalProperties": false,
+  "description": "The receipt behind derived_id: the registered formula, the rendered figure, and the input facts.",
+  "properties": {
+    "display": {
+      "type": "string"
+    },
+    "formula_id": {
+      "type": "string"
+    },
+    "inputs": {
+      "items": {
+        "additionalProperties": false,
+        "properties": {
+          "fact_id": {
+            "type": "string"
+          },
+          "role": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "role",
+          "fact_id"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    }
+  },
+  "required": [
+    "formula_id",
+    "inputs"
+  ],
+  "type": "object"
+}

added

Output schema / properties / data / items / properties / metrics_provenance / additionalProperties / properties / derived_id

Added value: +{
+  "description": "Citation id of a figure the server computed (drv1:...). Cite it exactly like a fact_id; verify_facts re-derives it from its input facts. Absent when no input fact could be resolved.",
+  "type": "string"
+}

Changed1 schema field changedOct 20, 2026

added

Output schema / properties / data / items / properties / metrics_provenance / additionalProperties / properties / concept

Added value: +{
+  "description": "Standard concept of the reported fallback fact that supplied the value, present only when it is not the metric's primary concept (e.g. NetIncomeToCommon, OperatingCashFlowContinuing)",
+  "type": "string"
+}

Changed21 schema fields changedOct 16, 2026

changedInput schema / properties / as_of_date / description

Previous value: -"Point-in-time cutoff, YYYY-MM-DD: only figures filed with the SEC on or before this date, e.g. 2024-06-30."New value: +"Point-in-time date (YYYY-MM-DD). Only returns data with accepted_at on or before this date. Eliminates look-ahead bias for backtesting."

changedInput schema / properties / fiscal_year / description

Previous value: -"Fiscal year to return, four digits; omit for the most recent years, e.g. 2024."New value: +"Fiscal year (YYYY). Omit to return most recent periods."

changedInput schema / properties / limit / description

Previous value: -"Maximum number of periods, 1 to 40; defaults to 5, e.g. 8."New value: +"Maximum number of periods to return (1–40). Defaults to 5."

changedInput schema / properties / period / description

Previous value: -"annual (10-K) or quarterly (10-Q); defaults to annual, e.g. quarterly."New value: +"Filing period granularity. Annual uses 10-K; quarterly uses 10-Q."

changedInput schema / properties / ticker / description

Previous value: -"Ticker symbol or SEC CIK of the company, e.g. AAPL."New value: +"Stock ticker symbol, e.g. AAPL, MSFT — or a CIK (SEC identifier), e.g. '0000320193'."

addedOutput schema / properties / _meta / properties / cost_usd

Added value: +{
+  "additionalProperties": false,
+  "description": "Per-call cost transparency. Omitted for subscription-only tools that have no PAYG-equivalent price.",
+  "properties": {
+    "amount_usd": {
+      "minimum": 0,
+      "type": "number"
+    },
+    "basis": {
+      "description": "payg_charge = real agent-pay charge. payg_rate_card = indicative price, not billed.",
+      "enum": [
+        "payg_charge",
+        "payg_rate_card"
+      ],
+      "type": "string"
+    },
+    "billed": {
+      "description": "true = this amount was actually charged via PAYG for this call. false = indicative PAYG-equivalent value; your plan already covers this call for free.",
+      "type": "boolean"
+    }
+  },
+  "required": [
+    "amount_usd",
+    "billed",
+    "basis"
+  ],
+  "type": "object"
+}

addedOutput schema / properties / _meta / properties / data_plan

Added value: +{
+  "description": "Access plan: sample | sp500 | pro | full",
+  "type": "string"
+}

changedOutput schema / properties / _meta / properties / fundamentals_as_of / description

Previous value: -"Use THIS — not `last_updated` — when telling a user how current the cross-sectional fundamentals are. The snapshot is republished on every weekday price refresh while the statements are carried forward unchanged, so `last_updated` can be far more recent than the numbers it sits next to. It is a floor for a single filer, not a ceiling: a filer with a live partition receives its filing, facts and ratios intraday (minutes after EDGAR dissemination), so an entity-scoped read may carry a filing newer than this; cross-sectional ranks (factor scores, earnings signals) refresh with the weekly bulk export."New value: +"ISO timestamp when the FINANCIAL STATEMENTS were last rebuilt in bulk. Use THIS — not `last_updated` — when telling a user how current the cross-sectional fundamentals are. The snapshot is republished on every weekday price refresh while the statements are carried forward unchanged, so `last_updated` can be far more recent than the numbers it sits next to. It is a floor for a single filer, not a ceiling: a filer with a live partition receives its filing, facts and ratios intraday (minutes after EDGAR dissemination), so an entity-scoped read may carry a filing newer than this; cross-sectional ranks (factor scores, earnings signals) refresh with the weekly bulk export."

addedOutput schema / properties / _meta / properties / last_updated

Added value: +{
+  "description": "ISO timestamp when the snapshot was exported",
+  "type": "string"
+}

addedOutput schema / properties / _meta / properties / latency_ms

Added value: +{
+  "description": "Wall-clock milliseconds this tool call took, measured server-side around the handler.",
+  "minimum": 0,
+  "type": "integer"
+}

addedOutput schema / properties / _meta / properties / limit_warnings

Added value: +{
+  "description": "Soft-warning array for partial fulfillment. Each entry carries a stable subcode + remediation.options[]. AI agents pattern-match on subcode.",
+  "items": {
+    "additionalProperties": true,
+    "properties": {
+      "code": {
+        "const": "LIMIT_EXCEEDED",
+        "type": "string"
+      },
+      "current_plan": {
+        "type": "string"
+      },
+      "extensions": {
+        "additionalProperties": {},
+        "type": "object"
+      },
+      "limit_type": {
+        "type": "string"
+      },
+      "limit_value": {},
+      "remediation": {
+        "additionalProperties": true,
+        "properties": {
+          "contact_sales": {
+            "type": "string"
+          },
+          "default_action": {
+            "type": "string"
+          },
+          "options": {
+            "items": {
+              "additionalProperties": {},
+              "type": "object"
+            },
+            "type": "array"
+          },
+          "pricing_page": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "options",
+          "default_action",
+          "pricing_page",
+          "contact_sales"
+        ],
+        "type": "object"
+      },
+      "requested_value": {},
+      "returned_value": {},
+      "subcode": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "code",
+      "subcode",
+      "limit_type",
+      "current_plan",
+      "remediation"
+    ],
+    "type": "object"
+  },
+  "type": "array"
+}

addedOutput schema / properties / _meta / properties / payg_override

Added value: +{
+  "additionalProperties": false,
+  "description": "Set when this single response was paid for via the agent-pay PAYG flow — the rate-limit / depth-limit checks were bypassed for this call only.",
+  "properties": {
+    "amount_cents": {
+      "type": "number"
+    },
+    "entity_scope_hash": {
+      "type": "string"
+    },
+    "meter": {
+      "type": "string"
+    },
+    "quote_id": {
+      "type": "string"
+    },
+    "retry_token_hash": {
+      "type": "string"
+    },
+    "ticker_count": {
+      "type": "number"
+    },
+    "tool": {
+      "type": "string"
+    }
+  },
+  "required": [
+    "quote_id",
+    "tool",
+    "meter",
+    "amount_cents",
+    "ticker_count",
+    "entity_scope_hash",
+    "retry_token_hash"
+  ],
+  "type": "object"
+}

addedOutput schema / properties / _meta / properties / rate_limit

Added value: +{
+  "additionalProperties": false,
+  "description": "Caller's remaining budget",
+  "properties": {
+    "limit": {
+      "type": "integer"
+    },
+    "remaining": {
+      "type": "integer"
+    },
+    "reset_at": {
+      "description": "ISO 8601 timestamp when the window resets",
+      "type": "string"
+    },
+    "window": {
+      "enum": [
+        "minute",
+        "hour"
+      ],
+      "type": "string"
+    }
+  },
+  "required": [
+    "limit",
+    "remaining",
+    "reset_at",
+    "window"
+  ],
+  "type": "object"
+}

addedOutput schema / properties / _meta / properties / request_id

Added value: +{
+  "description": "Per-request correlation id (8-char)",
+  "type": "string"
+}

addedOutput schema / properties / _meta / properties / schema_version

Added value: +{
+  "description": "Parquet schema version from manifest.json",
+  "type": "string"
+}

addedOutput schema / properties / _meta / properties / snapshot

Added value: +{
+  "description": "Snapshot directory name (e.g. snapshot_20260420)",
+  "type": "string"
+}

addedOutput schema / properties / _meta / properties / truncation / properties / current_plan
```
Added value: +{
+  "type": "string"
+}
```
addedOutput schema / properties / _meta / properties / truncation / properties / upgrade_required_for
```
Added value: +{
+  "type": "string"
+}
```
addedOutput schema / properties / _meta / properties / truncation / properties / upgrade_url
```
Added value: +{
+  "type": "string"
+}
```

changedOutput schema / properties / _meta / required

Previous value: -[
-  "source",
-  "pit_safe"
-]New value: +[
+  "data_plan",
+  "schema_version",
+  "snapshot",
+  "last_updated",
+  "source",
+  "pit_safe"
+]

addedOutput schema / properties / data / items / properties / metrics_display / description

Added value: +"The figure rendered exactly as it should be quoted in prose ($402.83B, 59.65%, $6.11). QUOTE THESE VERBATIM. Do not re-render the raw number in `metrics` yourself: a figure you reformat no longer matches the string Valuein can bind to its filing, so it is reported to the reader as unverified even though the underlying fact was sound."

Changed21 schema fields changedSep 29, 2026

changedInput schema / properties / as_of_date / description

Previous value: -"Point-in-time date (YYYY-MM-DD). Only returns data with accepted_at on or before this date. Eliminates look-ahead bias for backtesting."New value: +"Point-in-time cutoff, YYYY-MM-DD: only figures filed with the SEC on or before this date, e.g. 2024-06-30."

changedInput schema / properties / fiscal_year / description

Previous value: -"Fiscal year (YYYY). Omit to return most recent periods."New value: +"Fiscal year to return, four digits; omit for the most recent years, e.g. 2024."

changedInput schema / properties / limit / description

Previous value: -"Maximum number of periods to return (1–40). Defaults to 5."New value: +"Maximum number of periods, 1 to 40; defaults to 5, e.g. 8."

changedInput schema / properties / period / description

Previous value: -"Filing period granularity. Annual uses 10-K; quarterly uses 10-Q."New value: +"annual (10-K) or quarterly (10-Q); defaults to annual, e.g. quarterly."

changedInput schema / properties / ticker / description

Previous value: -"Stock ticker symbol, e.g. AAPL, MSFT — or a CIK (SEC identifier), e.g. '0000320193'."New value: +"Ticker symbol or SEC CIK of the company, e.g. AAPL."

removedOutput schema / properties / _meta / properties / cost_usd

Removed value: -{
-  "additionalProperties": false,
-  "description": "Per-call cost transparency. Omitted for subscription-only tools that have no PAYG-equivalent price.",
-  "properties": {
-    "amount_usd": {
-      "minimum": 0,
-      "type": "number"
-    },
-    "basis": {
-      "description": "payg_charge = real agent-pay charge. payg_rate_card = indicative price, not billed.",
-      "enum": [
-        "payg_charge",
-        "payg_rate_card"
-      ],
-      "type": "string"
-    },
-    "billed": {
-      "description": "true = this amount was actually charged via PAYG for this call. false = indicative PAYG-equivalent value; your plan already covers this call for free.",
-      "type": "boolean"
-    }
-  },
-  "required": [
-    "amount_usd",
-    "billed",
-    "basis"
-  ],
-  "type": "object"
-}

removedOutput schema / properties / _meta / properties / data_plan

Removed value: -{
-  "description": "Access plan: sample | sp500 | pro | full",
-  "type": "string"
-}

changedOutput schema / properties / _meta / properties / fundamentals_as_of / description

Previous value: -"ISO timestamp when the FINANCIAL STATEMENTS were last rebuilt in bulk. Use THIS — not `last_updated` — when telling a user how current the cross-sectional fundamentals are. The snapshot is republished on every weekday price refresh while the statements are carried forward unchanged, so `last_updated` can be far more recent than the numbers it sits next to. It is a floor for a single filer, not a ceiling: a filer with a live partition receives its filing, facts and ratios intraday (minutes after EDGAR dissemination), so an entity-scoped read may carry a filing newer than this; cross-sectional ranks (factor scores, earnings signals) refresh with the weekly bulk export."New value: +"Use THIS — not `last_updated` — when telling a user how current the cross-sectional fundamentals are. The snapshot is republished on every weekday price refresh while the statements are carried forward unchanged, so `last_updated` can be far more recent than the numbers it sits next to. It is a floor for a single filer, not a ceiling: a filer with a live partition receives its filing, facts and ratios intraday (minutes after EDGAR dissemination), so an entity-scoped read may carry a filing newer than this; cross-sectional ranks (factor scores, earnings signals) refresh with the weekly bulk export."

removedOutput schema / properties / _meta / properties / last_updated

Removed value: -{
-  "description": "ISO timestamp when the snapshot was exported",
-  "type": "string"
-}

removedOutput schema / properties / _meta / properties / latency_ms

Removed value: -{
-  "description": "Wall-clock milliseconds this tool call took, measured server-side around the handler.",
-  "minimum": 0,
-  "type": "integer"
-}

removedOutput schema / properties / _meta / properties / limit_warnings

Removed value: -{
-  "description": "Soft-warning array for partial fulfillment. Each entry carries a stable subcode + remediation.options[]. AI agents pattern-match on subcode.",
-  "items": {
-    "additionalProperties": true,
-    "properties": {
-      "code": {
-        "const": "LIMIT_EXCEEDED",
-        "type": "string"
-      },
-      "current_plan": {
-        "type": "string"
-      },
-      "extensions": {
-        "additionalProperties": {},
-        "type": "object"
-      },
-      "limit_type": {
-        "type": "string"
-      },
-      "limit_value": {},
-      "remediation": {
-        "additionalProperties": true,
-        "properties": {
-          "contact_sales": {
-            "type": "string"
-          },
-          "default_action": {
-            "type": "string"
-          },
-          "options": {
-            "items": {
-              "additionalProperties": {},
-              "type": "object"
-            },
-            "type": "array"
-          },
-          "pricing_page": {
-            "type": "string"
-          }
-        },
-        "required": [
-          "options",
-          "default_action",
-          "pricing_page",
-          "contact_sales"
-        ],
-        "type": "object"
-      },
-      "requested_value": {},
-      "returned_value": {},
-      "subcode": {
-        "type": "string"
-      }
-    },
-    "required": [
-      "code",
-      "subcode",
-      "limit_type",
-      "current_plan",
-      "remediation"
-    ],
-    "type": "object"
-  },
-  "type": "array"
-}

removedOutput schema / properties / _meta / properties / payg_override

Removed value: -{
-  "additionalProperties": false,
-  "description": "Set when this single response was paid for via the agent-pay PAYG flow — the rate-limit / depth-limit checks were bypassed for this call only.",
-  "properties": {
-    "amount_cents": {
-      "type": "number"
-    },
-    "entity_scope_hash": {
-      "type": "string"
-    },
-    "meter": {
-      "type": "string"
-    },
-    "quote_id": {
-      "type": "string"
-    },
-    "retry_token_hash": {
-      "type": "string"
-    },
-    "ticker_count": {
-      "type": "number"
-    },
-    "tool": {
-      "type": "string"
-    }
-  },
-  "required": [
-    "quote_id",
-    "tool",
-    "meter",
-    "amount_cents",
-    "ticker_count",
-    "entity_scope_hash",
-    "retry_token_hash"
-  ],
-  "type": "object"
-}

removedOutput schema / properties / _meta / properties / rate_limit

Removed value: -{
-  "additionalProperties": false,
-  "description": "Caller's remaining budget",
-  "properties": {
-    "limit": {
-      "type": "integer"
-    },
-    "remaining": {
-      "type": "integer"
-    },
-    "reset_at": {
-      "description": "ISO 8601 timestamp when the window resets",
-      "type": "string"
-    },
-    "window": {
-      "enum": [
-        "minute",
-        "hour"
-      ],
-      "type": "string"
-    }
-  },
-  "required": [
-    "limit",
-    "remaining",
-    "reset_at",
-    "window"
-  ],
-  "type": "object"
-}

removedOutput schema / properties / _meta / properties / request_id

Removed value: -{
-  "description": "Per-request correlation id (8-char)",
-  "type": "string"
-}

removedOutput schema / properties / _meta / properties / schema_version

Removed value: -{
-  "description": "Parquet schema version from manifest.json",
-  "type": "string"
-}

removedOutput schema / properties / _meta / properties / snapshot

Removed value: -{
-  "description": "Snapshot directory name (e.g. snapshot_20260420)",
-  "type": "string"
-}

removedOutput schema / properties / _meta / properties / truncation / properties / current_plan
```
Removed value: -{
-  "type": "string"
-}
```
removedOutput schema / properties / _meta / properties / truncation / properties / upgrade_required_for
```
Removed value: -{
-  "type": "string"
-}
```
removedOutput schema / properties / _meta / properties / truncation / properties / upgrade_url
```
Removed value: -{
-  "type": "string"
-}
```

changedOutput schema / properties / _meta / required

Previous value: -[
-  "data_plan",
-  "schema_version",
-  "snapshot",
-  "last_updated",
-  "source",
-  "pit_safe"
-]New value: +[
+  "source",
+  "pit_safe"
+]

removedOutput schema / properties / data / items / properties / metrics_display / description

Removed value: -"The figure rendered exactly as it should be quoted in prose ($402.83B, 59.65%, $6.11). QUOTE THESE VERBATIM. Do not re-render the raw number in `metrics` yourself: a figure you reformat no longer matches the string Valuein can bind to its filing, so it is reported to the reader as unverified even though the underlying fact was sound."

Changed1 schema field changedSep 18, 2026

changedOutput schema / properties / _meta / properties / fundamentals_as_of / description

Previous value: -"ISO timestamp when the FINANCIAL STATEMENTS were last rebuilt. Use THIS — not `last_updated` — when telling a user how current the fundamentals are. The snapshot is republished on every weekday price refresh while the statements are carried forward unchanged, so `last_updated` can be far more recent than the numbers it sits next to."New value: +"ISO timestamp when the FINANCIAL STATEMENTS were last rebuilt in bulk. Use THIS — not `last_updated` — when telling a user how current the cross-sectional fundamentals are. The snapshot is republished on every weekday price refresh while the statements are carried forward unchanged, so `last_updated` can be far more recent than the numbers it sits next to. It is a floor for a single filer, not a ceiling: a filer with a live partition receives its filing, facts and ratios intraday (minutes after EDGAR dissemination), so an entity-scoped read may carry a filing newer than this; cross-sectional ranks (factor scores, earnings signals) refresh with the weekly bulk export."

Changed9 schema fields changedSep 14, 2026

removedOutput schema / properties / data / items / properties / dcf_model

Removed value: -{
-  "additionalProperties": false,
-  "properties": {
-    "dcf_value_per_share": {
-      "type": [
-        "number",
-        "null"
-      ]
-    },
-    "ddm_value_per_share": {
-      "type": [
-        "number",
-        "null"
-      ]
-    },
-    "fcf_base_per_share": {
-      "description": "Pipeline DCF base earnings, PER-SHARE USD (from valuation.base_earnings). NOT the absolute total-company FCF base compute_dcf reports as `fcf_base_total_usd`.",
-      "type": [
-        "number",
-        "null"
-      ]
-    },
-    "stage1_growth_rate": {
-      "type": [
-        "number",
-        "null"
-      ]
-    },
-    "status": {
-      "additionalProperties": false,
-      "properties": {
-        "detail": {
-          "type": "string"
-        },
-        "reason": {
-          "enum": [
-            "INPUT_MISSING",
-            "DENOMINATOR_NEGATIVE",
-            "VALUATION_NOT_COMPUTED",
-            "PIPELINE_NOT_AVAILABLE",
-            "PRICE_NOT_AVAILABLE"
-          ],
-          "type": "string"
-        }
-      },
-      "required": [
-        "reason",
-        "detail"
-      ],
-      "type": "object"
-    },
-    "terminal_growth_rate": {
-      "type": [
-        "number",
-        "null"
-      ]
-    },
-    "wacc": {
-      "type": [
-        "number",
-        "null"
-      ]
-    }
-  },
-  "required": [
-    "wacc",
-    "fcf_base_per_share",
-    "stage1_growth_rate",
-    "terminal_growth_rate",
-    "dcf_value_per_share",
-    "ddm_value_per_share"
-  ],
-  "type": "object"
-}

removedOutput schema / properties / data / items / properties / null_reasons / additionalProperties / $ref
```
Removed value: -"#/properties/data/items/properties/dcf_model/properties/status"
```
addedOutput schema / properties / data / items / properties / null_reasons / additionalProperties / additionalProperties
```
Added value: +false
```

addedOutput schema / properties / data / items / properties / null_reasons / additionalProperties / properties

Added value: +{
+  "detail": {
+    "type": "string"
+  },
+  "reason": {
+    "enum": [
+      "INPUT_MISSING",
+      "DENOMINATOR_NEGATIVE",
+      "PIPELINE_NOT_AVAILABLE",
+      "PRICE_NOT_AVAILABLE"
+    ],
+    "type": "string"
+  }
+}

addedOutput schema / properties / data / items / properties / null_reasons / additionalProperties / required
```
Added value: +[
+  "reason",
+  "detail"
+]
```
addedOutput schema / properties / data / items / properties / null_reasons / additionalProperties / type
```
Added value: +"object"
```

addedOutput schema / properties / data / items / properties / reference_points

Added value: +{
+  "additionalProperties": false,
+  "properties": {
+    "graham_number": {
+      "additionalProperties": false,
+      "description": "sqrt(22.5 * diluted EPS * book value per share). A parameter-free screening threshold, NOT an intrinsic-value estimate — it takes no assumptions about growth or discount rate.",
+      "properties": {
+        "unit": {
+          "$ref": "#/properties/data/items/properties/valuation_multiples/properties/current_price/properties/unit"
+        },
+        "value": {
+          "$ref": "#/properties/data/items/properties/valuation_multiples/properties/current_price/properties/value"
+        }
+      },
+      "required": [
+        "value",
+        "unit"
+      ],
+      "type": "object"
+    },
+    "ncav_per_share": {
+      "additionalProperties": false,
+      "description": "Graham net current asset value per share ((current assets − total liabilities) / diluted shares). A parameter-free liquidation-floor reference point, NOT an intrinsic-value estimate.",
+      "properties": {
+        "unit": {
+          "$ref": "#/properties/data/items/properties/valuation_multiples/properties/current_price/properties/unit"
+        },
+        "value": {
+          "$ref": "#/properties/data/items/properties/valuation_multiples/properties/current_price/properties/value"
+        }
+      },
+      "required": [
+        "value",
+        "unit"
+      ],
+      "type": "object"
+    }
+  },
+  "required": [
+    "graham_number",
+    "ncav_per_share"
+  ],
+  "type": "object"
+}

changedOutput schema / properties / data / items / required

Previous value: -[
-  "fiscal_year",
-  "fiscal_period",
-  "period_end",
-  "accepted_at",
-  "profitability",
-  "cash_flow",
-  "leverage",
-  "valuation_multiples",
-  "dcf_model"
-]New value: +[
+  "fiscal_year",
+  "fiscal_period",
+  "period_end",
+  "accepted_at",
+  "profitability",
+  "cash_flow",
+  "leverage",
+  "valuation_multiples",
+  "reference_points"
+]

removedOutput schema / properties / dcf_pit

Removed value: -{
-  "description": "Present only when as_of_date is supplied. The DCF/DDM leg comes from valuation.parquet, which is filtered by created_at (the pipeline computation timestamp), NOT the SEC accepted_at — so even with an as_of_date cut the DCF figures are BEST-EFFORT point-in-time, not strictly look-ahead-free. The profitability/cash-flow/leverage legs ARE strictly PIT-safe (fact.parquet, accepted_at).",
-  "enum": [
-    "best_effort"
-  ],
-  "type": "string"
-}

Changed2 schema fields changedSep 11, 2026

changedInput schema / properties / ticker / description

Previous value: -"Stock ticker symbol, e.g. AAPL, MSFT"New value: +"Stock ticker symbol, e.g. AAPL, MSFT — or a CIK (SEC identifier), e.g. '0000320193'."

changedInput schema / properties / ticker / pattern

Previous value: -"^[A-Za-z.\\-]+$"New value: +"^[A-Za-z0-9.\\-]+$"

Changed1 schema field changedAug 2, 2026

addedOutput schema / properties / data / items / properties / metrics_display

Added value: +{
+  "additionalProperties": {
+    "type": [
+      "string",
+      "null"
+    ]
+  },
+  "description": "The figure rendered exactly as it should be quoted in prose ($402.83B, 59.65%, $6.11). QUOTE THESE VERBATIM. Do not re-render the raw number in `metrics` yourself: a figure you reformat no longer matches the string Valuein can bind to its filing, so it is reported to the reader as unverified even though the underlying fact was sound.",
+  "type": "object"
+}

Changed33 schema fields changedJul 25, 2026
- addedOutput schema / properties / _meta / properties / fundamentals_as_of
```
Added value: +{
+  "description": "ISO timestamp when the FINANCIAL STATEMENTS were last rebuilt. Use THIS — not `last_updated` — when telling a user how current the fundamentals are. The snapshot is republished on every weekday price refresh while the statements are carried forward unchanged, so `last_updated` can be far more recent than the numbers it sits next to.",
+  "type": "string"
+}
```
- addedOutput schema / properties / _meta / properties / price_as_of
```
Added value: +{
+  "description": "ISO timestamp when the price surfaces were last refreshed.",
+  "type": "string"
+}
```
- addedOutput schema / properties / data / items / properties / valuation_multiples / properties / current_price / description
```
Added value: +"Period-end close for THIS fiscal period — NOT the current market price. Aligned to this row's period_end, so on a historical row it is a historical price. For the latest quote call get_stock_price; for current multiples call get_pit_valuation_ratios with as_of_date omitted."
```
- removedOutput schema / properties / data / items / properties / valuation_multiples / properties / dividend_yield / $ref
```
Removed value: -"#/properties/data/items/properties/valuation_multiples/properties/current_price"
```
- addedOutput schema / properties / data / items / properties / valuation_multiples / properties / dividend_yield / additionalProperties
```
Added value: +false
```
- addedOutput schema / properties / data / items / properties / valuation_multiples / properties / dividend_yield / description
```
Added value: +"Dividend yield at this row's period_end — historical, not the current yield."
```
- addedOutput schema / properties / data / items / properties / valuation_multiples / properties / dividend_yield / properties
```
Added value: +{
+  "unit": {
+    "$ref": "#/properties/data/items/properties/valuation_multiples/properties/current_price/properties/unit"
+  },
+  "value": {
+    "$ref": "#/properties/data/items/properties/valuation_multiples/properties/current_price/properties/value"
+  }
+}
```
- addedOutput schema / properties / data / items / properties / valuation_multiples / properties / dividend_yield / required
```
Added value: +[
+  "value",
+  "unit"
+]
```
- addedOutput schema / properties / data / items / properties / valuation_multiples / properties / dividend_yield / type
```
Added value: +"object"
```
- removedOutput schema / properties / data / items / properties / valuation_multiples / properties / ev_ebitda / $ref
```
Removed value: -"#/properties/data/items/properties/valuation_multiples/properties/current_price"
```
- addedOutput schema / properties / data / items / properties / valuation_multiples / properties / ev_ebitda / additionalProperties
```
Added value: +false
```
- addedOutput schema / properties / data / items / properties / valuation_multiples / properties / ev_ebitda / description
```
Added value: +"EV/EBITDA at this row's period_end — a historical multiple, not the current one."
```
- addedOutput schema / properties / data / items / properties / valuation_multiples / properties / ev_ebitda / properties
```
Added value: +{
+  "unit": {
+    "$ref": "#/properties/data/items/properties/valuation_multiples/properties/current_price/properties/unit"
+  },
+  "value": {
+    "$ref": "#/properties/data/items/properties/valuation_multiples/properties/current_price/properties/value"
+  }
+}
```
- addedOutput schema / properties / data / items / properties / valuation_multiples / properties / ev_ebitda / required
```
Added value: +[
+  "value",
+  "unit"
+]
```
- addedOutput schema / properties / data / items / properties / valuation_multiples / properties / ev_ebitda / type
```
Added value: +"object"
```
- removedOutput schema / properties / data / items / properties / valuation_multiples / properties / market_cap / $ref
```
Removed value: -"#/properties/data/items/properties/valuation_multiples/properties/current_price"
```
- addedOutput schema / properties / data / items / properties / valuation_multiples / properties / market_cap / additionalProperties
```
Added value: +false
```
- addedOutput schema / properties / data / items / properties / valuation_multiples / properties / market_cap / description
```
Added value: +"Market cap at this row's period_end close — NOT the current market cap."
```
- addedOutput schema / properties / data / items / properties / valuation_multiples / properties / market_cap / properties
```
Added value: +{
+  "unit": {
+    "$ref": "#/properties/data/items/properties/valuation_multiples/properties/current_price/properties/unit"
+  },
+  "value": {
+    "$ref": "#/properties/data/items/properties/valuation_multiples/properties/current_price/properties/value"
+  }
+}
```
- addedOutput schema / properties / data / items / properties / valuation_multiples / properties / market_cap / required
```
Added value: +[
+  "value",
+  "unit"
+]
```
- addedOutput schema / properties / data / items / properties / valuation_multiples / properties / market_cap / type
```
Added value: +"object"
```
- removedOutput schema / properties / data / items / properties / valuation_multiples / properties / pb_ratio / $ref
```
Removed value: -"#/properties/data/items/properties/valuation_multiples/properties/current_price"
```
- addedOutput schema / properties / data / items / properties / valuation_multiples / properties / pb_ratio / additionalProperties
```
Added value: +false
```
- addedOutput schema / properties / data / items / properties / valuation_multiples / properties / pb_ratio / description
```
Added value: +"P/B at this row's period_end — a historical multiple, not the current one."
```
- addedOutput schema / properties / data / items / properties / valuation_multiples / properties / pb_ratio / properties
```
Added value: +{
+  "unit": {
+    "$ref": "#/properties/data/items/properties/valuation_multiples/properties/current_price/properties/unit"
+  },
+  "value": {
+    "$ref": "#/properties/data/items/properties/valuation_multiples/properties/current_price/properties/value"
+  }
+}
```
- addedOutput schema / properties / data / items / properties / valuation_multiples / properties / pb_ratio / required
```
Added value: +[
+  "value",
+  "unit"
+]
```
- addedOutput schema / properties / data / items / properties / valuation_multiples / properties / pb_ratio / type
```
Added value: +"object"
```
- removedOutput schema / properties / data / items / properties / valuation_multiples / properties / pe_ratio / $ref
```
Removed value: -"#/properties/data/items/properties/valuation_multiples/properties/current_price"
```
- addedOutput schema / properties / data / items / properties / valuation_multiples / properties / pe_ratio / additionalProperties
```
Added value: +false
```
- addedOutput schema / properties / data / items / properties / valuation_multiples / properties / pe_ratio / description
```
Added value: +"P/E at this row's period_end — a historical multiple, not the current one."
```
- addedOutput schema / properties / data / items / properties / valuation_multiples / properties / pe_ratio / properties
```
Added value: +{
+  "unit": {
+    "$ref": "#/properties/data/items/properties/valuation_multiples/properties/current_price/properties/unit"
+  },
+  "value": {
+    "$ref": "#/properties/data/items/properties/valuation_multiples/properties/current_price/properties/value"
+  }
+}
```
- addedOutput schema / properties / data / items / properties / valuation_multiples / properties / pe_ratio / required
```
Added value: +[
+  "value",
+  "unit"
+]
```
- addedOutput schema / properties / data / items / properties / valuation_multiples / properties / pe_ratio / type
```
Added value: +"object"
```

Changed2 schema fields changedJul 7, 2026

addedOutput schema / properties / _meta / properties / cost_usd

Added value: +{
+  "additionalProperties": false,
+  "description": "Per-call cost transparency. Omitted for subscription-only tools that have no PAYG-equivalent price.",
+  "properties": {
+    "amount_usd": {
+      "minimum": 0,
+      "type": "number"
+    },
+    "basis": {
+      "description": "payg_charge = real agent-pay charge. payg_rate_card = indicative price, not billed.",
+      "enum": [
+        "payg_charge",
+        "payg_rate_card"
+      ],
+      "type": "string"
+    },
+    "billed": {
+      "description": "true = this amount was actually charged via PAYG for this call. false = indicative PAYG-equivalent value; your plan already covers this call for free.",
+      "type": "boolean"
+    }
+  },
+  "required": [
+    "amount_usd",
+    "billed",
+    "basis"
+  ],
+  "type": "object"
+}

addedOutput schema / properties / _meta / properties / latency_ms

Added value: +{
+  "description": "Wall-clock milliseconds this tool call took, measured server-side around the handler.",
+  "minimum": 0,
+  "type": "integer"
+}

Changed3 schema fields changedJun 28, 2026

changedOutput schema / properties / data / items / properties / dcf_model / properties / status / properties / reason / enum

Previous value: -[
-  "INPUT_MISSING",
-  "DENOMINATOR_NEGATIVE",
-  "VALUATION_NOT_COMPUTED",
-  "PIPELINE_NOT_AVAILABLE"
-]New value: +[
+  "INPUT_MISSING",
+  "DENOMINATOR_NEGATIVE",
+  "VALUATION_NOT_COMPUTED",
+  "PIPELINE_NOT_AVAILABLE",
+  "PRICE_NOT_AVAILABLE"
+]

addedOutput schema / properties / data / items / properties / valuation_multiples

Added value: +{
+  "additionalProperties": false,
+  "properties": {
+    "current_price": {
+      "additionalProperties": false,
+      "properties": {
+        "unit": {
+          "type": [
+            "string",
+            "null"
+          ]
+        },
+        "value": {
+          "type": [
+            "number",
+            "null"
+          ]
+        }
+      },
+      "required": [
+        "value",
+        "unit"
+      ],
+      "type": "object"
+    },
+    "dividend_yield": {
+      "$ref": "#/properties/data/items/properties/valuation_multiples/properties/current_price"
+    },
+    "ev_ebitda": {
+      "$ref": "#/properties/data/items/properties/valuation_multiples/properties/current_price"
+    },
+    "market_cap": {
+      "$ref": "#/properties/data/items/properties/valuation_multiples/properties/current_price"
+    },
+    "pb_ratio": {
+      "$ref": "#/properties/data/items/properties/valuation_multiples/properties/current_price"
+    },
+    "pe_ratio": {
+      "$ref": "#/properties/data/items/properties/valuation_multiples/properties/current_price"
+    }
+  },
+  "required": [
+    "current_price",
+    "market_cap",
+    "pe_ratio",
+    "pb_ratio",
+    "ev_ebitda",
+    "dividend_yield"
+  ],
+  "type": "object"
+}

changedOutput schema / properties / data / items / required

Previous value: -[
-  "fiscal_year",
-  "fiscal_period",
-  "period_end",
-  "accepted_at",
-  "profitability",
-  "cash_flow",
-  "leverage",
-  "dcf_model"
-]New value: +[
+  "fiscal_year",
+  "fiscal_period",
+  "period_end",
+  "accepted_at",
+  "profitability",
+  "cash_flow",
+  "leverage",
+  "valuation_multiples",
+  "dcf_model"
+]

Changed2 schema fields changedJun 18, 2026

addedOutput schema / properties / _meta / properties / pit_safe / description

Added value: +"true iff a zero-look-ahead point-in-time cut was applied to every returned figure"

addedOutput schema / properties / dcf_pit

Added value: +{
+  "description": "Present only when as_of_date is supplied. The DCF/DDM leg comes from valuation.parquet, which is filtered by created_at (the pipeline computation timestamp), NOT the SEC accepted_at — so even with an as_of_date cut the DCF figures are BEST-EFFORT point-in-time, not strictly look-ahead-free. The profitability/cash-flow/leverage legs ARE strictly PIT-safe (fact.parquet, accepted_at).",
+  "enum": [
+    "best_effort"
+  ],
+  "type": "string"
+}

Changed5 schema fields changedJun 5, 2026

removedOutput schema / properties / data / items / properties / dcf_model / properties / fcf_base
```
Removed value: -{
-  "type": [
-    "number",
-    "null"
-  ]
-}
```

addedOutput schema / properties / data / items / properties / dcf_model / properties / fcf_base_per_share

Added value: +{
+  "description": "Pipeline DCF base earnings, PER-SHARE USD (from valuation.base_earnings). NOT the absolute total-company FCF base compute_dcf reports as `fcf_base_total_usd`.",
+  "type": [
+    "number",
+    "null"
+  ]
+}

changedOutput schema / properties / data / items / properties / dcf_model / required

Previous value: -[
-  "wacc",
-  "fcf_base",
-  "stage1_growth_rate",
-  "terminal_growth_rate",
-  "dcf_value_per_share",
-  "ddm_value_per_share"
-]New value: +[
+  "wacc",
+  "fcf_base_per_share",
+  "stage1_growth_rate",
+  "terminal_growth_rate",
+  "dcf_value_per_share",
+  "ddm_value_per_share"
+]

addedOutput schema / properties / data / items / properties / metrics_availability

Added value: +{
+  "additionalProperties": {
+    "description": "Explicit availability status. A real reported zero is 'available' with value 0 — never null. 'not_reported' = filing omitted it; 'not_mapped' = XBRL mapping uncertain; 'suppressed' = below confidence; 'error' = compute/retrieval failed.",
+    "enum": [
+      "available",
+      "not_reported",
+      "not_mapped",
+      "suppressed",
+      "error"
+    ],
+    "type": "string"
+  },
+  "type": "object"
+}

addedOutput schema / properties / data / items / properties / metrics_provenance

Added value: +{
+  "additionalProperties": {
+    "additionalProperties": false,
+    "description": "Provenance pointer: origin 'dataset' carries the SHA-256 fact_id + source filing; origin 'computed' carries the formula + the input fact_ids (verify with verify_fact_lineage).",
+    "properties": {
+      "accepted_at": {
+        "type": "string"
+      },
+      "fact_id": {
+        "type": "string"
+      },
+      "formula": {
+        "type": "string"
+      },
+      "inputs": {
+        "items": {
+          "additionalProperties": false,
+          "properties": {
+            "fact_id": {
+              "type": "string"
+            },
+            "role": {
+              "type": "string"
+            },
+            "value": {
+              "type": [
+                "number",
+                "null"
+              ]
+            }
+          },
+          "required": [
+            "role"
+          ],
+          "type": "object"
+        },
+        "type": "array"
+      },
+      "origin": {
+        "enum": [
+          "dataset",
+          "computed"
+        ],
+        "type": "string"
+      },
+      "source_filing": {
+        "type": "string"
+      },
+      "source_url": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "origin"
+    ],
+    "type": "object"
+  },
+  "type": "object"
+}

Changed2 schema fields changedApr 28, 2026

addedOutput schema / properties / data / items / properties / dcf_model / properties / status

Added value: +{
+  "additionalProperties": false,
+  "properties": {
+    "detail": {
+      "type": "string"
+    },
+    "reason": {
+      "enum": [
+        "INPUT_MISSING",
+        "DENOMINATOR_NEGATIVE",
+        "VALUATION_NOT_COMPUTED",
+        "PIPELINE_NOT_AVAILABLE"
+      ],
+      "type": "string"
+    }
+  },
+  "required": [
+    "reason",
+    "detail"
+  ],
+  "type": "object"
+}

addedOutput schema / properties / data / items / properties / null_reasons

Added value: +{
+  "additionalProperties": {
+    "$ref": "#/properties/data/items/properties/dcf_model/properties/status"
+  },
+  "type": "object"
+}

Changed3 schema fields changedApr 28, 2026

addedOutput schema / properties / _meta / properties / payg_override / properties / entity_scope_hash
```
Added value: +{
+  "type": "string"
+}
```
addedOutput schema / properties / _meta / properties / payg_override / properties / ticker_count
```
Added value: +{
+  "type": "number"
+}
```

changedOutput schema / properties / _meta / properties / payg_override / required

Previous value: -[
-  "quote_id",
-  "tool",
-  "meter",
-  "amount_cents",
-  "retry_token_hash"
-]New value: +[
+  "quote_id",
+  "tool",
+  "meter",
+  "amount_cents",
+  "ticker_count",
+  "entity_scope_hash",
+  "retry_token_hash"
+]

Changed1 schema field changedApr 28, 2026

addedOutput schema / properties / _meta / properties / payg_override

Added value: +{
+  "additionalProperties": false,
+  "description": "Set when this single response was paid for via the agent-pay PAYG flow — the rate-limit / depth-limit checks were bypassed for this call only.",
+  "properties": {
+    "amount_cents": {
+      "type": "number"
+    },
+    "meter": {
+      "type": "string"
+    },
+    "quote_id": {
+      "type": "string"
+    },
+    "retry_token_hash": {
+      "type": "string"
+    },
+    "tool": {
+      "type": "string"
+    }
+  },
+  "required": [
+    "quote_id",
+    "tool",
+    "meter",
+    "amount_cents",
+    "retry_token_hash"
+  ],
+  "type": "object"
+}

Changed1 schema field changedApr 27, 2026

addedOutput schema / properties / _meta / properties / limit_warnings

Added value: +{
+  "description": "Soft-warning array for partial fulfillment. Each entry carries a stable subcode + remediation.options[]. AI agents pattern-match on subcode.",
+  "items": {
+    "additionalProperties": true,
+    "properties": {
+      "code": {
+        "const": "LIMIT_EXCEEDED",
+        "type": "string"
+      },
+      "current_plan": {
+        "type": "string"
+      },
+      "extensions": {
+        "additionalProperties": {},
+        "type": "object"
+      },
+      "limit_type": {
+        "type": "string"
+      },
+      "limit_value": {},
+      "remediation": {
+        "additionalProperties": true,
+        "properties": {
+          "contact_sales": {
+            "type": "string"
+          },
+          "default_action": {
+            "type": "string"
+          },
+          "options": {
+            "items": {
+              "additionalProperties": {},
+              "type": "object"
+            },
+            "type": "array"
+          },
+          "pricing_page": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "options",
+          "default_action",
+          "pricing_page",
+          "contact_sales"
+        ],
+        "type": "object"
+      },
+      "requested_value": {},
+      "returned_value": {},
+      "subcode": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "code",
+      "subcode",
+      "limit_type",
+      "current_plan",
+      "remediation"
+    ],
+    "type": "object"
+  },
+  "type": "array"
+}

Changed1 schema field changedApr 27, 2026

addedOutput schema / properties / _meta / properties / truncation

Added value: +{
+  "additionalProperties": false,
+  "description": "Set when fewer rows were returned than requested — explains why and points to a remedy",
+  "properties": {
+    "current_plan": {
+      "type": "string"
+    },
+    "plan_limit": {
+      "minimum": 0,
+      "type": "integer"
+    },
+    "reason": {
+      "enum": [
+        "PLAN_LIMIT",
+        "DATA_NOT_AVAILABLE",
+        "FISCAL_YEAR_BOUNDARY_FILTER",
+        "OTHER"
+      ],
+      "type": "string"
+    },
+    "requested": {
+      "minimum": 0,
+      "type": "integer"
+    },
+    "returned": {
+      "minimum": 0,
+      "type": "integer"
+    },
+    "upgrade_required_for": {
+      "type": "string"
+    },
+    "upgrade_url": {
+      "type": "string"
+    }
+  },
+  "required": [
+    "requested",
+    "returned",
+    "reason"
+  ],
+  "type": "object"
+}

Changed3 schema fields changedApr 27, 2026

addedOutput schema / properties / _meta / properties / data_quality

Added value: +{
+  "additionalProperties": false,
+  "description": "Server-side invariants run on this response",
+  "properties": {
+    "notes": {
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
+    "validation_failed": {
+      "items": {
+        "additionalProperties": false,
+        "properties": {
+          "detail": {
+            "type": "string"
+          },
+          "rule": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "rule",
+          "detail"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "validation_passed": {
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    }
+  },
+  "required": [
+    "validation_passed",
+    "validation_failed",
+    "notes"
+  ],
+  "type": "object"
+}

addedOutput schema / properties / _meta / properties / rate_limit

Added value: +{
+  "additionalProperties": false,
+  "description": "Caller's remaining budget",
+  "properties": {
+    "limit": {
+      "type": "integer"
+    },
+    "remaining": {
+      "type": "integer"
+    },
+    "reset_at": {
+      "description": "ISO 8601 timestamp when the window resets",
+      "type": "string"
+    },
+    "window": {
+      "enum": [
+        "minute",
+        "hour"
+      ],
+      "type": "string"
+    }
+  },
+  "required": [
+    "limit",
+    "remaining",
+    "reset_at",
+    "window"
+  ],
+  "type": "object"
+}

addedOutput schema / properties / _meta / properties / request_id

Added value: +{
+  "description": "Per-request correlation id (8-char)",
+  "type": "string"
+}

Changed4 schema fields changedApr 25, 2026

changedInput schema / properties / as_of_date / description

Previous value: -"Point-in-time date (YYYY-MM-DD). Only returns data with knowledge_at on or before this date. Eliminates look-ahead bias for backtesting."New value: +"Point-in-time date (YYYY-MM-DD). Only returns data with accepted_at on or before this date. Eliminates look-ahead bias for backtesting."

addedOutput schema / properties / data / items / properties / accepted_at
```
Added value: +{
+  "type": "string"
+}
```
removedOutput schema / properties / data / items / properties / knowledge_at
```
Removed value: -{
-  "type": "string"
-}
```

changedOutput schema / properties / data / items / required

Previous value: -[
-  "fiscal_year",
-  "fiscal_period",
-  "period_end",
-  "knowledge_at",
-  "profitability",
-  "cash_flow",
-  "leverage",
-  "dcf_model"
-]New value: +[
+  "fiscal_year",
+  "fiscal_period",
+  "period_end",
+  "accepted_at",
+  "profitability",
+  "cash_flow",
+  "leverage",
+  "dcf_model"
+]

First observedApr 22, 2026

TDQS

A4.8/5.0

Behavior5/5

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

Annotations already cover read-only/idempotent safety, and the description adds substantial context beyond them: data provenance (fact.parquet PIT-safe via accepted_at, ratio.parquet valuation category, stock_price period-end close), per-period price alignment, the {value, unit} shape with varying units, and the critical null != 0 / null_reasons convention. Plan availability is also stated.

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 most consequential point (this is not an intrinsic-value tool; use compute_dcf) is front-loaded, followed by the return payload. It is dense and long for a description, with some implementation-level detail (parquet filenames, EOD alignment), but nearly every sentence carries routing or interpretation value.

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?

Despite an output schema existing, the description still communicates the return categories, the unit ambiguity, and the null-reason convention — enough for an agent to call it and interpret results correctly without another round trip. Nothing material is missing for a read-only, plan-available metrics tool.

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 baseline is 3, but the description adds real meaning the schema lacks: it explains that profitability fields are PIT-safe via accepted_at, which tells the agent how as_of_date actually behaves, and that current_price is period-end-aligned per fiscal year. The limit/fiscal_year/period parameters themselves are left to the schema.

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 and resource ("Get what a US public company is TRADING AT") and enumerates the returned field families (computed ratios, valuation_multiples, reference_points). It explicitly distinguishes itself from compute_dcf and get_financial_ratios, so an agent can route without opening the 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?

Gives explicit routing rules: use this instead of get_financial_ratios when observed multiples matter, use get_financial_ratios for the raw ratio table, and use compute_dcf whenever the question is what the company is WORTH. It also warns against framing outputs as fair value, which is a usage constraint, not just a description.

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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