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Valuein — SEC EDGAR Fundamentals & Smart-Money Data

Compute M&A Accretion/Dilution

compute_accretion_dilution
Read-onlyIdempotent

M&A accretion/dilution: the standard sell-side/banker quick-screen for whether a proposed acquisition adds to (accretive) or subtracts from (dilutive) the acquirer's EPS in the first pro-forma year. Pulls net income + shares outstanding for both companies, and each side's latest EOD close (acquirer's price converts stock consideration into new shares issued; target's price is used only to disclose the offer premium). Caller sets the consideration mix (cash_pct, cash-financed by new debt or the acquirer's balance sheet), annual run-rate synergies, and the new-debt interest rate. A SINGLE pro-forma-year bridge — NOT a multi-year merger model; synergy ramp, integration costs, and purchase-price-allocation amortization (goodwill/intangibles step-up) are not modeled (see result.caveats[]). result.accretion_dilution_pct positive = accretive, negative = dilutive. Tier: sp500+.

Input Schema

NameRequiredDescriptionDefault
cash_pctYesFraction (0-1) of deal value paid in cash; the remainder (1 - cash_pct) is paid in acquirer stock.
tax_rateNoEffective tax rate applied to synergies and the interest drag. Default 0.21.
as_of_dateNoPoint-in-time cutoff (YYYY-MM-DD) for both companies' fundamentals + prices. Omit to use the latest knowable data.
target_tickerYesTarget's stock ticker symbol, e.g. ATVI.
acquirer_tickerYesAcquirer's stock ticker symbol, e.g. MSFT.
synergies_pretaxNoPretax annual run-rate cost/revenue synergies (USD). Default 0.
cash_financing_sourceNoWhere the cash consideration is funded from. "new_debt" (default) applies an after-tax interest drag; "balance_sheet_cash" applies none.new_debt
offer_price_per_shareYesOffer price per target share (USD).
new_debt_interest_rateNoAnnual interest rate on new acquisition debt (only used when cash_financing_source is "new_debt"). Default 0.06.
target_share_price_overrideNoOverride the target's live EOD close (used only for the disclosed premium). Leave unset to use the latest R2-derived price.
acquirer_share_price_overrideNoOverride the acquirer's live EOD close. Leave unset to use the latest R2-derived price.

Output Schema

NameRequiredDescriptionDefault
_metaYesProvenance envelope — data lineage for every MCP response
resultYes
target_tickerYes
acquirer_tickerYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • 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."
  2. Changed2 schema fields changed
    • 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)."
  3. Changed26 schema fields changed
    • changedInput schema / properties / acquirer_share_price_override / description
      Previous value: -"Acquirer share price in USD used instead of its month-end close, e.g. 420."New value: +"Override the acquirer's live EOD close. Leave unset to use the latest R2-derived price."
    • changedInput schema / properties / acquirer_ticker / description
      Previous value: -"Ticker symbol or SEC CIK of the acquiring company, e.g. MSFT."New value: +"Acquirer's stock ticker symbol, e.g. MSFT."
    • changedInput schema / properties / as_of_date / description
      Previous value: -"Point-in-time cutoff for both companies, YYYY-MM-DD: filings accepted and closes on or before this date, e.g. 2024-06-30."New value: +"Point-in-time cutoff (YYYY-MM-DD) for both companies' fundamentals + prices. Omit to use the latest knowable data."
    • changedInput schema / properties / cash_financing_source / description
      Previous value: -"How the cash is funded: new_debt (default, adds after-tax interest) or balance_sheet_cash (no interest cost), e.g. balance_sheet_cash."New value: +"Where the cash consideration is funded from. \"new_debt\" (default) applies an after-tax interest drag; \"balance_sheet_cash\" applies none."
    • changedInput schema / properties / cash_pct / description
      Previous value: -"Share of the deal value settled in cash, 0 to 1; the rest is acquirer stock, e.g. 0.5."New value: +"Fraction (0-1) of deal value paid in cash; the remainder (1 - cash_pct) is paid in acquirer stock."
    • changedInput schema / properties / new_debt_interest_rate / description
      Previous value: -"Interest rate on new acquisition debt, 0 to 0.5, used with new_debt; defaults to 0.06, e.g. 0.07."New value: +"Annual interest rate on new acquisition debt (only used when cash_financing_source is \"new_debt\"). Default 0.06."
    • changedInput schema / properties / offer_price_per_share / description
      Previous value: -"Price offered per target share in USD, above zero, e.g. 250."New value: +"Offer price per target share (USD)."
    • changedInput schema / properties / synergies_pretax / description
      Previous value: -"Yearly pretax synergies in USD at full run rate; defaults to 0, e.g. 500000000."New value: +"Pretax annual run-rate cost/revenue synergies (USD). Default 0."
    • changedInput schema / properties / target_share_price_override / description
      Previous value: -"Target share price in USD used instead of its month-end close, for the takeover premium only, e.g. 180."New value: +"Override the target's live EOD close (used only for the disclosed premium). Leave unset to use the latest R2-derived price."
    • changedInput schema / properties / target_ticker / description
      Previous value: -"Ticker symbol or SEC CIK of the company being acquired, e.g. AAPL."New value: +"Target's stock ticker symbol, e.g. ATVI."
    • changedInput schema / properties / tax_rate / description
      Previous value: -"Tax rate on synergies and interest, 0 to 1; defaults to 0.21, e.g. 0.25."New value: +"Effective tax rate applied to synergies and the interest drag. Default 0.21."
    • 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"
      +]
  4. Changed26 schema fields changed
    • changedInput schema / properties / acquirer_share_price_override / description
      Previous value: -"Override the acquirer's live EOD close. Leave unset to use the latest R2-derived price."New value: +"Acquirer share price in USD used instead of its month-end close, e.g. 420."
    • changedInput schema / properties / acquirer_ticker / description
      Previous value: -"Acquirer's stock ticker symbol, e.g. MSFT."New value: +"Ticker symbol or SEC CIK of the acquiring company, e.g. MSFT."
    • changedInput schema / properties / as_of_date / description
      Previous value: -"Point-in-time cutoff (YYYY-MM-DD) for both companies' fundamentals + prices. Omit to use the latest knowable data."New value: +"Point-in-time cutoff for both companies, YYYY-MM-DD: filings accepted and closes on or before this date, e.g. 2024-06-30."
    • changedInput schema / properties / cash_financing_source / description
      Previous value: -"Where the cash consideration is funded from. \"new_debt\" (default) applies an after-tax interest drag; \"balance_sheet_cash\" applies none."New value: +"How the cash is funded: new_debt (default, adds after-tax interest) or balance_sheet_cash (no interest cost), e.g. balance_sheet_cash."
    • changedInput schema / properties / cash_pct / description
      Previous value: -"Fraction (0-1) of deal value paid in cash; the remainder (1 - cash_pct) is paid in acquirer stock."New value: +"Share of the deal value settled in cash, 0 to 1; the rest is acquirer stock, e.g. 0.5."
    • changedInput schema / properties / new_debt_interest_rate / description
      Previous value: -"Annual interest rate on new acquisition debt (only used when cash_financing_source is \"new_debt\"). Default 0.06."New value: +"Interest rate on new acquisition debt, 0 to 0.5, used with new_debt; defaults to 0.06, e.g. 0.07."
    • changedInput schema / properties / offer_price_per_share / description
      Previous value: -"Offer price per target share (USD)."New value: +"Price offered per target share in USD, above zero, e.g. 250."
    • changedInput schema / properties / synergies_pretax / description
      Previous value: -"Pretax annual run-rate cost/revenue synergies (USD). Default 0."New value: +"Yearly pretax synergies in USD at full run rate; defaults to 0, e.g. 500000000."
    • changedInput schema / properties / target_share_price_override / description
      Previous value: -"Override the target's live EOD close (used only for the disclosed premium). Leave unset to use the latest R2-derived price."New value: +"Target share price in USD used instead of its month-end close, for the takeover premium only, e.g. 180."
    • changedInput schema / properties / target_ticker / description
      Previous value: -"Target's stock ticker symbol, e.g. ATVI."New value: +"Ticker symbol or SEC CIK of the company being acquired, e.g. AAPL."
    • changedInput schema / properties / tax_rate / description
      Previous value: -"Effective tax rate applied to synergies and the interest drag. Default 0.21."New value: +"Tax rate on synergies and interest, 0 to 1; defaults to 0.21, e.g. 0.25."
    • 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"
      +]
  5. Changed1 schema field changed
    • 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."
  6. Changed2 schema fields changed
    • 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"
      +}
  7. Added

TDQS

A4.7/5.0
Behavior5/5

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

Annotations already cover read-only/idempotent/non-destructive, and the description layers on substantive behavior: which market data is fetched, how the acquirer's price converts stock consideration into new shares versus the target price being premium-disclosure only, how cash funding source drives an after-tax interest drag, and the tier gate (sp500+). The explicit modeling limitations and pointer to result.caveats[] are exactly the disclosure an agent needs.

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

Conciseness5/5

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

Purpose and headline definition come first, then data sourcing, then knob semantics, then limitations and the output sign convention. Roughly 150 words for an 11-parameter financial model with no filler sentences; parenthetical nesting is dense but each clause carries distinct information.

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

Completeness5/5

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

With an output schema present and 100% param coverage, the description only needs to supply the modeling scope, caveats, and result interpretation — all of which it does, plus the tier constraint. Nothing an agent needs to call this 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 individual params are already documented. The description nonetheless adds cross-parameter meaning: the cash/stock split, that cash is funded by new debt or the balance sheet, pretax run-rate synergies, and the interest rate tied to the debt path — semantics that are not visible from any single property description.

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?

Names the specific analytic output (first pro-forma-year EPS accretion/dilution), states exactly what inputs it pulls (net income, shares outstanding, EOD closes for both companies), and precisely describes the sign convention of the primary output. It is unmistakable against siblings like compute_dcf, compute_lbo, or project_three_statement.

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

Usage Guidelines4/5

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

Frames the tool as the 'standard sell-side/banker quick-screen' and defines hard exclusions (single-year bridge, no synergy ramp, no integration costs, no PPA amortization, see caveats[]), which tells an agent when NOT to use it. It stops short of naming the alternative tool an agent should pick for a full multi-year merger model.

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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