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JerBouma

Finance Toolkit

solvency

Read-onlyIdempotent

Compute pre-computed leverage ratios—debt-to-equity, interest coverage, debt-to-assets, net debt to EBITDA—for tickers instead of raw statements; supports quarterly and date ranges.

Instructions

Pre-computed solvency ratios (debt-to-equity, interest coverage, debt-to-assets, net debt to EBITDA). Requires tickers='AAPL' — use comma-separated values for multiple tickers. Use instead of raw financial statements. Supports quarterly=true and start_date/end_date.

Input Schema

NameRequiredDescriptionDefault
lagNoNumber of periods to lag when computing growth rates.
limitNoThe rows to return, like head and tail: 5 for the first five, -5 for the last five (the most recent of a time series). A table with its periods as columns (financial statements, ratios) keeps its first or last periods instead. For ETF holdings the largest (or, negative, the smallest) by weight, and for a list (e.g. news or a screener) its length.
growthNoReturn period-over-period growth rates instead of absolute values.
dilutedNoWhether to use diluted shares for market capitalization.
tickersNoComma-separated ticker symbols, e.g. 'AAPL,MSFT,GOOGL'.
end_dateNoEnd of the date range in YYYY-MM-DD format.2026-10-27
trailingNoTrailing window size in number of periods. Sums the raw values over the trailing N periods (e.g. trailing=4 on quarterly data gives a trailing-4-quarter / TTM-style sum) instead of returning one value per period.
indicatorYesName of the specific metric to calculate, one of the listed values. Required — search_metrics finds the indicator (and its tool) for a metric by name.
quarterlyNoReturn quarterly data instead of annual when True.
show_dailyNoWhether to show daily values: the close of each trading day against the statement figures of the latest period that has ended on or before that day, so no figures are used before their period closes.
start_dateNoStart of the date range in YYYY-MM-DD format.2021-10-28
standardizeNoReturn the Z-Score (standard score) instead of the raw values, i.e. how many standard deviations each value is from the mean of its own series. When combined with growth=True, the growth values are standardized instead of the raw values.
show_columnsNoComma-separated names to filter the output. For historical data use the key names visible in any response record (e.g. 'Close,Volume,Return'). For financial statements use the 'metric' field values from the response (e.g. 'Revenue,Net Income,EBITDA'). Call the tool once without this parameter to see all available names, then repeat with show_columns to reduce response size and token usage.
benchmark_tickerNoTicker used as the market benchmark, e.g. 'SPY' or '^GSPC'.SPY

Output Schema

NameRequiredDescriptionDefault
resultYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed3 schema fields changedv2.3.0
    • changedInput schema / properties / end_date / default
      Previous value: -"2026-10-14"New value: +"2026-10-27"
    • changedInput schema / properties / show_daily / description
      Previous value: -"Whether to use daily data for the calculation."New value: +"Whether to show daily values: the close of each trading day against the statement figures of the latest period that has ended on or before that day, so no figures are used before their period closes."
    • changedInput schema / properties / start_date / default
      Previous value: -"2021-10-15"New value: +"2021-10-28"
  2. Changed24 schema fields changedv2.2.3
    • removedInput schema / properties / benchmark_ticker / title
      Removed value: -"Benchmark Ticker"
    • changedInput schema / properties / diluted / description
      Previous value: -"Value for diluted."New value: +"Whether to use diluted shares for market capitalization."
    • removedInput schema / properties / diluted / title
      Removed value: -"Diluted"
    • changedInput schema / properties / end_date / default
      Previous value: -"2026-10-02"New value: +"2026-10-14"
    • removedInput schema / properties / end_date / title
      Removed value: -"End Date"
    • removedInput schema / properties / growth / title
      Removed value: -"Growth"
    • changedInput schema / properties / indicator / description
      Previous value: -"Name of the specific metric to calculate, e.g. 'get_asset_turnover_ratio'. Required — omitting it returns the list of available indicators."New value: +"Name of the specific metric to calculate, one of the listed values. Required — search_metrics finds the indicator (and its tool) for a metric by name."
    • removedInput schema / properties / indicator / title
      Removed value: -"Indicator"
    • addedInput schema / properties / lag / anyOf
      Added value: +[
      +  {
      +    "type": "integer"
      +  },
      +  {
      +    "items": {
      +      "type": "integer"
      +    },
      +    "type": "array"
      +  }
      +]
    • removedInput schema / properties / lag / title
      Removed value: -"Lag"
    • removedInput schema / properties / lag / type
      Removed value: -"integer"
    • addedInput schema / properties / limit
      Added value: +{
      +  "anyOf": [
      +    {
      +      "type": "integer"
      +    },
      +    {
      +      "type": "null"
      +    }
      +  ],
      +  "default": null,
      +  "description": "The rows to return, like head and tail: 5 for the first five, -5 for the last five (the most recent of a time series). A table with its periods as columns (financial statements, ratios) keeps its first or last periods instead. For ETF holdings the largest (or, negative, the smallest) by weight, and for a list (e.g. news or a screener) its length."
      +}
    • removedInput schema / properties / quarterly / title
      Removed value: -"Quarterly"
    • removedInput schema / properties / show_columns / title
      Removed value: -"Show Columns"
    • changedInput schema / properties / show_daily / description
      Previous value: -"Value for show_daily."New value: +"Whether to use daily data for the calculation."
    • removedInput schema / properties / show_daily / title
      Removed value: -"Show Daily"
    • removedInput schema / properties / standardize / title
      Removed value: -"Standardize"
    • changedInput schema / properties / start_date / default
      Previous value: -"2021-10-03"New value: +"2021-10-15"
    • removedInput schema / properties / start_date / title
      Removed value: -"Start Date"
    • addedInput schema / properties / tickers / anyOf
      Added value: +[
      +  {
      +    "type": "string"
      +  },
      +  {
      +    "items": {
      +      "type": "string"
      +    },
      +    "type": "array"
      +  }
      +]
    • removedInput schema / properties / tickers / title
      Removed value: -"Tickers"
    • removedInput schema / properties / tickers / type
      Removed value: -"string"
    • removedInput schema / properties / trailing / title
      Removed value: -"Trailing"
    • removedInput schema / title
      Removed value: -"solvencyArguments"
  3. Changed2 schema fields changedv2.2.1
    • changedInput schema / properties / end_date / default
      Previous value: -"2026-08-19"New value: +"2026-10-02"
    • changedInput schema / properties / start_date / default
      Previous value: -"2021-08-20"New value: +"2021-10-03"
  4. Changed3 schema fields changedv2.2.0
    • changedInput schema / properties / end_date / default
      Previous value: -"2026-07-14"New value: +"2026-08-19"
    • changedInput schema / properties / indicator / enum
      Previous value: -[
      -  "get_debt_to_assets_ratio",
      -  "get_debt_to_equity_ratio",
      -  "get_debt_service_coverage_ratio",
      -  "get_equity_multiplier",
      -  "get_free_cash_flow_yield",
      -  "get_net_debt_to_ebitda_ratio",
      -  "get_cash_flow_coverage_ratio",
      -  "get_capex_coverage_ratio",
      -  "get_capex_dividend_coverage_ratio",
      -  "get_debt_to_capital_ratio",
      -  "get_preferred_dividend_coverage_ratio",
      -  "get_interest_paid_to_expense_ratio"
      -]New value: +[
      +  "get_debt_to_assets_ratio",
      +  "get_asset_coverage_ratio",
      +  "get_debt_to_equity_ratio",
      +  "get_debt_service_coverage_ratio",
      +  "get_equity_multiplier",
      +  "get_free_cash_flow_yield",
      +  "get_net_debt_to_ebitda_ratio",
      +  "get_gross_debt_to_ebitda_ratio",
      +  "get_cash_flow_coverage_ratio",
      +  "get_capex_coverage_ratio",
      +  "get_capex_dividend_coverage_ratio",
      +  "get_debt_to_capital_ratio",
      +  "get_preferred_dividend_coverage_ratio",
      +  "get_interest_paid_to_expense_ratio"
      +]
    • changedInput schema / properties / start_date / default
      Previous value: -"2021-07-15"New value: +"2021-08-20"
  5. Changed5 schema fields changed
    • changedInput schema / properties / end_date / default
      Previous value: -"2026-07-09"New value: +"2026-07-14"
    • changedInput schema / properties / indicator / enum
      Previous value: -[
      -  "get_debt_to_assets_ratio",
      -  "get_debt_to_equity_ratio",
      -  "get_debt_service_coverage_ratio",
      -  "get_equity_multiplier",
      -  "get_free_cash_flow_yield",
      -  "get_net_debt_to_ebitda_ratio",
      -  "get_cash_flow_coverage_ratio",
      -  "get_capex_coverage_ratio",
      -  "get_capex_dividend_coverage_ratio"
      -]New value: +[
      +  "get_debt_to_assets_ratio",
      +  "get_debt_to_equity_ratio",
      +  "get_debt_service_coverage_ratio",
      +  "get_equity_multiplier",
      +  "get_free_cash_flow_yield",
      +  "get_net_debt_to_ebitda_ratio",
      +  "get_cash_flow_coverage_ratio",
      +  "get_capex_coverage_ratio",
      +  "get_capex_dividend_coverage_ratio",
      +  "get_debt_to_capital_ratio",
      +  "get_preferred_dividend_coverage_ratio",
      +  "get_interest_paid_to_expense_ratio"
      +]
    • addedInput schema / properties / standardize
      Added value: +{
      +  "default": false,
      +  "description": "Return the Z-Score (standard score) instead of the raw values, i.e. how many standard deviations each value is from the mean of its own series. When combined with growth=True, the growth values are standardized instead of the raw values.",
      +  "title": "Standardize",
      +  "type": "boolean"
      +}
    • changedInput schema / properties / start_date / default
      Previous value: -"2021-07-10"New value: +"2021-07-15"
    • changedInput schema / properties / trailing / description
      Previous value: -"Number of trailing periods for rolling-window calculations."New value: +"Trailing window size in number of periods. Sums the raw values over the trailing N periods (e.g. trailing=4 on quarterly data gives a trailing-4-quarter / TTM-style sum) instead of returning one value per period."
  6. Changed2 schema fields changedv2.1.4
    • changedInput schema / properties / end_date / default
      Previous value: -"2026-06-27"New value: +"2026-07-09"
    • changedInput schema / properties / start_date / default
      Previous value: -"2021-06-28"New value: +"2021-07-10"
  7. Changed2 schema fields changedv2.1.3
    • changedInput schema / properties / end_date / default
      Previous value: -"2026-06-23"New value: +"2026-06-27"
    • changedInput schema / properties / start_date / default
      Previous value: -"2021-06-24"New value: +"2021-06-28"
  8. Changed4 schema fields changedv0.1.2
    • changedInput schema / properties / end_date / default
      Previous value: -"2026-06-22"New value: +"2026-06-23"
    • removedInput schema / properties / rounding
      Removed value: -{
      -  "anyOf": [
      -    {
      -      "type": "integer"
      -    },
      -    {
      -      "type": "null"
      -    }
      -  ],
      -  "default": null,
      -  "description": "Number of decimal places to round results to.",
      -  "title": "Rounding"
      -}
    • addedInput schema / properties / show_columns
      Added value: +{
      +  "anyOf": [
      +    {
      +      "type": "string"
      +    },
      +    {
      +      "type": "null"
      +    }
      +  ],
      +  "default": null,
      +  "description": "Comma-separated names to filter the output. For historical data use the key names visible in any response record (e.g. 'Close,Volume,Return'). For financial statements use the 'metric' field values from the response (e.g. 'Revenue,Net Income,EBITDA'). Call the tool once without this parameter to see all available names, then repeat with show_columns to reduce response size and token usage.",
      +  "title": "Show Columns"
      +}
    • changedInput schema / properties / start_date / default
      Previous value: -"2021-06-23"New value: +"2021-06-24"
  9. Addedv0.1.1

TDQS

B3.1/5.0
Behavior3/5

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

The annotations already establish read-only, idempotent, open-world behavior. The description adds useful context that these are pre-computed ratios and that quarterly/date filtering is supported, but it does not disclose any additional behavioral constraints or output characteristics.

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

Conciseness4/5

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

The description is short and front-loaded, covering the ratio category, ticker usage, and key supported parameters in three sentences. It is efficient overall, though the claim that tickers are required is inaccurate and spends space on a non-required parameter.

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

Completeness2/5

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

For a 14-parameter tool with a required 14-value indicator enum, the description omits the central selection step entirely: which indicator to use and how to find it. It contains useful hints about tickers and dates, but not enough to invoke the tool correctly without relying on the schema.

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

Parameters2/5

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

The description says tickers are required and gives ticker/date/quarterly examples, but the schema shows only 'indicator' is required and tickers has a default. More importantly, the description never mentions the required indicator parameter or how to choose among its 14 enum values, so it is incomplete and somewhat misleading despite high schema coverage.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly identifies the resource as pre-computed solvency ratios and gives examples (debt-to-equity, interest coverage, debt-to-assets, net debt to EBITDA). It distinguishes the category from raw financial statements, though it does not explicitly contrast with sibling ratio categories such as liquidity or profitability.

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

Usage Guidelines3/5

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

It gives one explicit usage cue: 'Use instead of raw financial statements.' However, it does not state when to choose this over sibling tools like liquidity, profitability, or efficiency, nor does it point to search_metrics for finding the correct indicator.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.