worldbank-mcp-server

Previous value: -"Time window to filter observations to. Accepts a whole year (`2020`), a quarter (`2020Q1`), or a month (`2020M03`), or a range of two periods of the same type separated by a colon, earliest first (`2010:2023`, `2020Q1:2021Q4`, `2020M01:2020M06`); a range running latest first is rejected. A window and an observation match whenever the periods overlap, so a year window also selects the quarters and months inside it. A window covering no part of the series returns zero observations rather than the full series. Mutually exclusive with mrv."New value: +"Time window to filter observations to. Accepts a whole year (`2020`), a quarter (`2020Q1`), or a month (`2020M03`), or a range of two periods of the same type separated by a colon, earliest first (`2010:2023`, `2020Q1:2021Q4`, `2020M01:2020M06`); a range running latest first is rejected. On a series publishing more than one period form, the window's form picks which: `2024` returns the annual value, `2024Q1:2024Q4` the quarters, `2024M01:2024M12` the months, and a quarter or month window is null-filled where the series has none (a notice then names the other forms). On a series with one form, a window at another form keeps the periods it overlaps (`2019:2021` on a quarterly series returns its twelve quarters). A window covering no part of the series returns zero observations rather than the full series. Mutually exclusive with mrv, mrnev, and frequency."

Added value: +{
+  "anyOf": [
+    {
+      "const": "",
+      "type": "string"
+    },
+    {
+      "description": "annual (2025), quarterly (2025Q4), or monthly (2025M12) periods.",
+      "enum": [
+        "annual",
+        "quarterly",
+        "monthly"
+      ],
+      "type": "string"
+    }
+  ],
+  "description": "The period form to return, for series such as Global Economic Monitor's that publish quarterly or monthly values beside annual ones: annual (the default), quarterly, or monthly. With mrv or mrnev it picks the form they select from — frequency \"monthly\" with mrv 3 returns the three latest months, where mrv 3 alone returns the three latest years. With neither, it returns the whole series at that form. A series that does not publish the form returns an empty result with a notice saying so, except that with neither mrv nor mrnev a source that null-fills the form (Global Economic Monitor) returns null rows, and a page of them carries a notice. Mutually exclusive with date_range, whose own form (2024, 2024Q1, 2024M01) picks the periods of a window."
+}

Added value: +{
+  "description": "Return each requested country's own N most recent periods (1–100) holding a value — its latest non-null observations, however far back they sit. A country with fewer values in the series returns the ones it has, and a country with none returns no rows. The periods are annual unless frequency names another form (a series with no annual periods keeps its own). Mutually exclusive with date_range and mrv.",
+  "maximum": 100,
+  "minimum": 1,
+  "type": "integer"
+}

Previous value: -"Return the N most recent periods (1–100) holding a value for any requested country, clamped to the length of the series. Every requested country comes back at those periods, null where it has no value there rather than with its own older values. Rows are mrv × countries, so page through them with per_page. Mutually exclusive with date_range."New value: +"Return the N most recent periods (1–100) holding a value for any requested country, clamped to the length of the series. Every requested country comes back at those periods, null where it has no value there rather than with its own older values; mrnev returns each country's own latest values instead. The periods are annual unless frequency names another form (a series with no annual periods keeps its own). Rows are mrv × countries, so page through them with per_page. Mutually exclusive with date_range and mrnev."

Added value: +{
+  "description": "Period form applied (annual, quarterly, monthly), omitted when none was requested.",
+  "enum": [
+    "annual",
+    "quarterly",
+    "monthly"
+  ],
+  "type": "string"
+}

Added value: +{
+  "description": "Most-recent-non-empty-values count applied, omitted when none was requested.",
+  "type": "number"
+}

Previous value: -"Machine-readable failure mode. Declared by this tool: `invalid_params`: Both date_range and mrv are provided simultaneously. `mixed_all_selector`: countries combines \"all\" with one or more country codes. `reversed_date_range`: date_range names a range whose first period comes after its second. `multiple_indicators`: The indicator ID is \"all\", which selects every indicator rather than one. `indicator_not_found`: The indicator ID does not exist. `indicator_not_queryable`: The standard data endpoint does not serve the indicator, and no catalog source can serve it through the source-scoped data API instead — the catalog no longer lists the ID, the catalog lookup failed, or the source is not organized by country, series, and time plus at most one further dimension. `unknown_dimension_value`: dimension_value is not a value the indicator's dataset lists for its extra dimension. `dimension_not_applicable`: dimension_value is given for an indicator the standard data endpoint serves, or whose dataset has no dimension beyond country, series, and time. `source_scope_too_large`: A source-scoped query would read more rows (countries × periods × unpinned dimension values) than one request allows. `country_not_found`: One or more country codes are invalid. The message and countryCodes name the codes the World Bank country listing lacks, or every requested code when it lacks none. `indicator_and_country_not_found`: The indicator ID and the country codes are both invalid. The codes are named as on country_not_found. Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `invalid_params`: More than one of date_range, mrv, and mrnev is provided, or frequency is provided with date_range. `mixed_all_selector`: countries combines \"all\" with one or more country codes. `reversed_date_range`: date_range names a range whose first period comes after its second. `multiple_indicators`: The indicator ID is \"all\", which selects every indicator rather than one. `indicator_not_found`: The indicator ID does not exist. `indicator_not_queryable`: The standard data endpoint does not serve the indicator, and no catalog source can serve it through the source-scoped data API instead — the catalog no longer lists the ID, the catalog lookup failed, or the source is not organized by country, series, and time plus at most one further dimension. `unknown_dimension_value`: dimension_value is not a value the indicator's dataset lists for its extra dimension. `dimension_not_applicable`: dimension_value is given for an indicator the standard data endpoint serves, or whose dataset has no dimension beyond country, series, and time. `source_scope_too_large`: A source-scoped query would read more rows (countries × periods × unpinned dimension values) than one request allows. `country_not_found`: One or more country codes are invalid. The message and countryCodes name the codes the World Bank country listing lacks, or every requested code when it lacks none. `indicator_and_country_not_found`: The indicator ID and the country codes are both invalid. The codes are named as on country_not_found. `upstream_inconsistent`: The World Bank API answered a data read, and its one re-read, with rows that do not fit the request — its response cache served another query's result — so nothing was served. Other values are possible when a failure originates below the handler."

Previous value: -[
-  "invalid_params",
-  "mixed_all_selector",
-  "reversed_date_range",
-  "multiple_indicators",
-  "indicator_not_found",
-  "indicator_not_queryable",
-  "unknown_dimension_value",
-  "dimension_not_applicable",
-  "source_scope_too_large",
-  "country_not_found",
-  "indicator_and_country_not_found"
-]New value: +[
+  "invalid_params",
+  "mixed_all_selector",
+  "reversed_date_range",
+  "multiple_indicators",
+  "indicator_not_found",
+  "indicator_not_queryable",
+  "unknown_dimension_value",
+  "dimension_not_applicable",
+  "source_scope_too_large",
+  "country_not_found",
+  "indicator_and_country_not_found",
+  "upstream_inconsistent"
+]

Added value: +{
+  "description": "Last update date of the World Bank source that served these values (YYYY-MM-DD) — the data vintage to cite with them. Omitted when upstream reports none, as for an empty result.",
+  "type": "string"
+}

Previous value: -"Recovery hint for an empty result set — how to broaden the query when nothing matched, or the page range that exists when the requested page is past the end — a page size reduced to the page cap, and, for source-scoped data, the requested country codes the serving dataset publishes nothing for."New value: +"Recovery hint for an empty result set — how to broaden the query when nothing matched, whether the series publishes the requested frequency, or the page range that exists when the requested page is past the end — a quarter or month date_range whose observations are all null, with the same span at the other period forms, a frequency page whose observations are all null, a page size reduced to the page cap, and, for source-scoped data, the requested country codes the serving dataset publishes nothing for."

Previous value: -[
-  {
-    "description": "A single country code, a comma- or semicolon-separated list, or \"all\".",
-    "pattern": "[^\\s;,]",
-    "type": "string"
-  },
-  {
-    "description": "An array of country codes.",
-    "items": {
-      "description": "A country code.",
-      "type": "string"
-    },
-    "minItems": 1,
-    "type": "array"
-  }
-]New value: +[
+  {
+    "description": "A single country code, a list separated by commas, semicolons, or pipes, or \"all\".",
+    "pattern": "[^\\s;,|]",
+    "type": "string"
+  },
+  {
+    "description": "An array of country codes; an element holding several codes separated by commas, semicolons, or pipes is split too.",
+    "items": {
+      "description": "A country code.",
+      "type": "string"
+    },
+    "minItems": 1,
+    "type": "array"
+  }
+]

Previous value: -"Country codes. Accepts: ISO2 (US, CN), ISO3 (USA, CHN), regional aggregate codes (EAS, LCN, MEA, SAS, SSF, ECS, NAC), income group codes (HIC, UMC, LMC, LIC), world code (WLD), or \"all\" on its own for every entry (use pagination). Pass a single code, an array, or one string separated by commas or semicolons. At least one code is required — an empty value is rejected rather than treated as \"all\"."New value: +"Country codes. Accepts: ISO2 (US, CN), ISO3 (USA, CHN), regional aggregate codes (EAS, LCN, MEA, SAS, SSF, ECS, NAC), income group codes (HIC, UMC, LMC, LIC), world code (WLD), or \"all\" on its own for every entry (use pagination). Pass a single code, an array, or one string separated by commas, semicolons, or pipes (US,JP · US;JP · US|JP). At least one code is required — an empty value, or one made only of separators, is rejected rather than treated as \"all\"."

Previous value: -"Results per page (default: server default, max: 1000). Use higher values for \"all\" country queries."New value: +"Results per page (default: server default, max: 1000). One page holds at most 200 observations, which keeps a response within about 50 KB; a larger value is reduced to that cap and echoed as appliedFilters.perPage, and totalPages is counted at the reduced size, so page + 1 continues where a page ends; notice discloses the reduction whenever the result runs past one page."

Previous value: -"Country codes as sent to the API — array elements and comma- or semicolon-separated strings are split and rejoined with semicolons, so this shows the normalized value."New value: +"Country codes as requested, normalized — array elements and strings separated by commas, semicolons, or pipes are split and rejoined with semicolons, the separator the API takes."

Previous value: -"Results per page used, including the server default."New value: +"Results per page actually served — the requested size or server default, reduced to the page cap when larger. totalPages is counted at this size."

Added value: +{
+  "description": "Page size asked for, present only when it exceeded the page cap and perPage was reduced.",
+  "type": "number"
+}

Previous value: -"ISO2 country code (or aggregate code)."New value: +"ISO2 code of the country or aggregate (US, XD for High income)."

Previous value: -"ISO3 country code (empty for some aggregates)."New value: +"Three-character code of the country or aggregate (USA, HIC) — the form the countries input takes. Empty only for an entity the World Bank country listing does not carry."

Previous value: -"Machine-readable failure mode. Declared by this tool: `invalid_params`: Both date_range and mrv are provided simultaneously. `mixed_all_selector`: countries combines \"all\" with one or more country codes. `reversed_date_range`: date_range names a range whose first period comes after its second. `multiple_indicators`: The indicator ID is \"all\", which selects every indicator rather than one. `indicator_not_found`: The indicator ID does not exist. `indicator_not_queryable`: The standard data endpoint does not serve the indicator, and no catalog source can serve it through the source-scoped data API instead — the catalog no longer lists the ID, the catalog lookup failed, or the source is not organized by country, series, and time plus at most one further dimension. `unknown_dimension_value`: dimension_value is not a value the indicator's dataset lists for its extra dimension. `dimension_not_applicable`: dimension_value is given for an indicator the standard data endpoint serves, or whose dataset has no dimension beyond country, series, and time. `source_scope_too_large`: A source-scoped query would read more rows (countries × periods × unpinned dimension values) than one request allows. `country_not_found`: One or more country codes are invalid. `indicator_and_country_not_found`: The indicator ID and the country codes are both invalid. Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `invalid_params`: Both date_range and mrv are provided simultaneously. `mixed_all_selector`: countries combines \"all\" with one or more country codes. `reversed_date_range`: date_range names a range whose first period comes after its second. `multiple_indicators`: The indicator ID is \"all\", which selects every indicator rather than one. `indicator_not_found`: The indicator ID does not exist. `indicator_not_queryable`: The standard data endpoint does not serve the indicator, and no catalog source can serve it through the source-scoped data API instead — the catalog no longer lists the ID, the catalog lookup failed, or the source is not organized by country, series, and time plus at most one further dimension. `unknown_dimension_value`: dimension_value is not a value the indicator's dataset lists for its extra dimension. `dimension_not_applicable`: dimension_value is given for an indicator the standard data endpoint serves, or whose dataset has no dimension beyond country, series, and time. `source_scope_too_large`: A source-scoped query would read more rows (countries × periods × unpinned dimension values) than one request allows. `country_not_found`: One or more country codes are invalid. The message and countryCodes name the codes the World Bank country listing lacks, or every requested code when it lacks none. `indicator_and_country_not_found`: The indicator ID and the country codes are both invalid. The codes are named as on country_not_found. Other values are possible when a failure originates below the handler."

Previous value: -"Recovery hint for an empty result set — how to broaden the query when nothing matched, or the page range that exists when the requested page is past the end — and, for source-scoped data, the requested country codes the serving dataset publishes nothing for."New value: +"Recovery hint for an empty result set — how to broaden the query when nothing matched, or the page range that exists when the requested page is past the end — a page size reduced to the page cap, and, for source-scoped data, the requested country codes the serving dataset publishes nothing for."

Previous value: -[
-  {
-    "description": "A single country code, a comma-separated list, or \"all\".",
-    "pattern": "[^\\s;,]",
-    "type": "string"
-  },
-  {
-    "description": "An array of country codes.",
-    "items": {
-      "description": "A country code.",
-      "type": "string"
-    },
-    "minItems": 1,
-    "type": "array"
-  }
-]New value: +[
+  {
+    "description": "A single country code, a list separated by commas, semicolons, or pipes, or \"all\".",
+    "pattern": "[^\\s;,|]",
+    "type": "string"
+  },
+  {
+    "description": "An array of country codes; an element holding several codes separated by commas, semicolons, or pipes is split too.",
+    "items": {
+      "description": "A country code.",
+      "type": "string"
+    },
+    "minItems": 1,
+    "type": "array"
+  }
+]

Previous value: -"Country codes: a single code, an array, or one string separated by commas or semicolons. Economies go by ISO3 (IND, USA) or ISO2 (IN, US) code, including those PIP publishes only as model estimates (AFG); \"all\" returns every economy. PIP's aggregates are served too: WLD; the World Bank regions AFE, AFW, EAS, ECS, LCN, MEA, NAC, SAS, SSF; the income groups HIC, LIC, LMIC (or LMC), UMIC (or UMC); and the lending groups IDX (IDA only), IDB or BLND (IDA blend), IBD or IBRD (IBRD only), and REST. Income groups follow the fiscal-year classification PIP's data release was built with — FY2026 (July 2025) for release 20260922 — applied to every year, so membership can differ from the current one worldbank_get_country reports. IDA (IDA total) is rejected because PIP computes no IDA total: ask for IDX and IDB together. Other aggregate codes (SSA, EAP, FCVY, MIC, LMY) are rejected, and welfare_type and reporting_level cannot be combined with an aggregate."New value: +"Country codes: a single code, an array, or one string separated by commas, semicolons, or pipes. Economies go by ISO3 (IND, USA) or ISO2 (IN, US) code, including those PIP publishes only as model estimates (AFG); \"all\" returns every economy. PIP's aggregates are served too: WLD; the World Bank regions AFE, AFW, EAS, ECS, LCN, MEA, NAC, SAS, SSF; the income groups HIC, LIC, LMIC (or LMC), UMIC (or UMC); and the lending groups IDX (IDA only), IDB or BLND (IDA blend), IBD or IBRD (IBRD only), and REST. Income groups follow the fiscal-year classification PIP's data release was built with — FY2026 (July 2025) for release 20260922 — applied to every year, so membership can differ from the current one worldbank_get_country reports. IDA (IDA total) is rejected because PIP computes no IDA total: ask for IDX and IDB together. Other aggregate codes (SSA, EAP, FCVY, MIC, LMY) are rejected, and welfare_type and reporting_level cannot be combined with an aggregate."

Previous value: -"Results per page (default: server default, max: 1000). \"all\" countries across \"all\" years runs to several thousand rows. One page holds at most 70 estimates, which keeps a response within about 50 KB; a larger value, the server default included, is reduced to that cap, disclosed in notice, and echoed as appliedFilters.perPage, and totalPages is counted at the reduced size."New value: +"Results per page (default: server default, max: 1000). \"all\" countries across \"all\" years runs to several thousand rows. One page holds at most 70 estimates, which keeps a response within about 50 KB; a larger value, the server default included, is reduced to that cap and echoed as appliedFilters.perPage, and totalPages is counted at the reduced size; notice discloses the reduction whenever the result runs past one page."

Previous value: -"Results per page (default: server default, max: 300)."New value: +"Results per page (default: server default, max: 300). One page holds at most 150 entries, which keeps a response within about 50 KB; a larger value is reduced to that cap and echoed as appliedFilters.perPage, and totalPages is counted at the reduced size, so page + 1 continues where a page ends; notice discloses the reduction whenever the result runs past one page."

Previous value: -[
-  {
-    "not": {
-      "required": [
-        "error"
-      ]
-    },
-    "required": [
-      "countries",
-      "totalCount",
-      "currentPage",
-      "totalPages"
-    ]
-  },
-  {
-    "required": [
-      "error"
-    ]
-  }
-]New value: +[
+  {
+    "not": {
+      "required": [
+        "error"
+      ]
+    },
+    "required": [
+      "countries",
+      "appliedFilters",
+      "totalCount",
+      "currentPage",
+      "totalPages"
+    ]
+  },
+  {
+    "required": [
+      "error"
+    ]
+  }
+]

Added value: +{
+  "additionalProperties": false,
+  "description": "The effective listing parameters — which filters were in force and the page size served.",
+  "properties": {
+    "includeAggregates": {
+      "description": "Whether aggregates were requested, including the default of false.",
+      "type": "boolean"
+    },
+    "incomeLevel": {
+      "description": "Income level code applied, omitted when none.",
+      "type": "string"
+    },
+    "lendingType": {
+      "description": "Lending type code applied, omitted when none.",
+      "type": "string"
+    },
+    "page": {
+      "description": "Page number requested.",
+      "type": "number"
+    },
+    "perPage": {
+      "description": "Results per page actually served — the requested size or server default, reduced to the page cap when larger. totalPages is counted at this size.",
+      "type": "number"
+    },
+    "region": {
+      "description": "Region code applied, omitted when none.",
+      "type": "string"
+    },
+    "requestedPerPage": {
+      "description": "Page size asked for, present only when it exceeded the page cap and perPage was reduced.",
+      "type": "number"
+    }
+  },
+  "required": [
+    "includeAggregates",
+    "page",
+    "perPage"
+  ],
+  "type": "object"
+}

Previous value: -"Context for an empty page: which filters matched nothing, or the page range that exists when the requested page is past the end."New value: +"Context for an empty page — which filters matched nothing, or the page range that exists when the requested page is past the end — or for a page size reduced to the page cap."

Previous value: -"Brief indicator description."New value: +"Indicator description, cut to its first 150 characters and marked with … when longer. worldbank_get_indicator returns it whole."

Previous value: -"Recovery hint when no indicators matched — suggests how to broaden the search."New value: +"Recovery hint for an empty page — how to broaden the search when no indicators matched, or the page range that exists when the requested page is past the end."

Previous value: -[
-  {
-    "description": "A single country code, or a comma- or semicolon-separated list of them.",
-    "type": "string"
-  },
-  {
-    "description": "An array of country codes.",
-    "items": {
-      "description": "An ISO3, ISO2, or World Bank regional code.",
-      "type": "string"
-    },
-    "type": "array"
-  }
-]New value: +[
+  {
+    "description": "A single country code, or a list of them separated by commas, semicolons, or pipes.",
+    "type": "string"
+  },
+  {
+    "description": "An array of country codes; an element holding several codes separated by commas, semicolons, or pipes is split too.",
+    "items": {
+      "description": "An ISO3, ISO2, or World Bank regional code.",
+      "type": "string"
+    },
+    "type": "array"
+  }
+]

Previous value: -"Borrowing countries: an economy by ISO3 or ISO2 code (BRA or BR), or a World Bank regional code for a multi-country operation (3A for Africa, 4E for East Asia and Pacific). Several codes are combined as OR — a project matching any of them is returned. Yemen, DR Congo, West Bank and Gaza, and Timor-Leste are searched under the legacy codes the portfolio files them by (RY, ZR, GZ, TP), which are also accepted as sent. A WDI aggregate (SSF, WLD, SAS) is rejected; use region for a regional search. Omit for every country."New value: +"Borrowing countries: an economy by ISO3 or ISO2 code (BRA or BR), or a World Bank regional code for a multi-country operation (3A for Africa, 4E for East Asia and Pacific). Several codes — an array, or one string separated by commas, semicolons, or pipes — are combined as OR: a project matching any of them is returned. A value made only of separators is rejected rather than read as every country. Yemen, DR Congo, West Bank and Gaza, and Timor-Leste are searched under the legacy codes the portfolio files them by (RY, ZR, GZ, TP), which are also accepted as sent. A WDI aggregate (SSF, WLD, SAS) is rejected; use region for a regional search. Omit for every country."

Previous value: -"Include each project's abstract. Abstracts run long — a median of roughly 1,200 characters, up to 8,000 — so a page carrying them holds at most 8 projects rather than 80, with every abstract returned whole; leave this off while narrowing a search and turn it on once the result set is small enough to read. Projects that publish no abstract report null either way, which appliedFilters.includeAbstract distinguishes."New value: +"Include each project's abstract. Abstracts run long — a median of roughly 1,200 characters, up to 8,000 — so a page carrying them holds at most 8 projects rather than 80, and an abstract longer than 5,000 characters (about 2% of them) is cut there and marked with …, with notice naming the projects cut and each project's url leading to the full text; leave this off while narrowing a search and turn it on once the result set is small enough to read. Projects that publish no abstract report null either way, which appliedFilters.includeAbstract distinguishes."

Previous value: -"Results per page (default: server default, max: 1000). One page holds at most 80 projects, or 8 with include_abstract, which keeps a response within about 50 KB; a larger value, the server default included, is reduced to that cap, disclosed in notice, and echoed as appliedFilters.perPage, and totalPages is counted at the reduced size."New value: +"Results per page (default: server default, max: 1000). One page holds at most 80 projects, or 8 with include_abstract, which keeps a response within about 50 KB; a larger value, the server default included, is reduced to that cap and echoed as appliedFilters.perPage, and totalPages is counted at the reduced size; notice discloses the reduction whenever the result runs past one page."

Previous value: -"Machine-readable failure mode. Declared by this tool: `invalid_country_code`: A countries entry resolves to no economy: it is not two or three letters or digits, no economy in the World Bank country index has that three-character code, or it is a WDI aggregate such as SSF or WLD, which the portfolio lists no operations under. `invalid_date`: approved_from or approved_to is shaped YYYY-MM-DD but names no real day — a month outside 01–12, or a day outside its month. `reversed_date_range`: approved_from falls after approved_to, an interval no project can match. `invalid_query`: The Projects API could not parse query and answered HTTP 400, or query contains #, which the API answers with rows unrelated to the search. `page_out_of_range`: The requested page starts past the 100,000-result offset the Projects API serves. `upstream_unavailable`: The Projects API answered with a non-success status other than a query it could not parse — a rate limit, a timeout, a 5xx — or with an HTML error page, or the World Bank Indicators API country listing that resolves an ISO3 code could not be loaded. Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `invalid_country_code`: A countries entry resolves to no economy: it is not two or three letters or digits, no economy in the World Bank country index has that three-character code, or it is a WDI aggregate such as SSF or WLD, which the portfolio lists no operations under. Also when countries holds only separators and so names no code at all. `invalid_date`: approved_from or approved_to is shaped YYYY-MM-DD but names no real day — a month outside 01–12, or a day outside its month. `reversed_date_range`: approved_from falls after approved_to, an interval no project can match. `invalid_query`: The Projects API could not parse query and answered HTTP 400, or query contains #, which the API answers with rows unrelated to the search. `page_out_of_range`: The requested page starts past the 100,000-result offset the Projects API serves. `upstream_unavailable`: The Projects API answered with a non-success status other than a query it could not parse — a rate limit, a timeout, a 5xx — or with an HTML error page, or the World Bank Indicators API country listing that resolves an ISO3 code could not be loaded. Other values are possible when a failure originates below the handler."

Previous value: -"Context for an empty result set — including whether the country filter matched anything on its own — for a page past the end of the results, or for a page size reduced to the page cap."New value: +"Context for an empty result set — including whether the country filter matched anything on its own — for a page past the end of the results, for a page size reduced to the page cap, or naming the projects whose abstracts were cut."

Previous value: -"Project abstract. Null when include_abstract was not requested and when the project publishes none — appliedFilters.includeAbstract separates the two."New value: +"Project abstract, cut at 5,000 characters and marked with … when longer. Null when include_abstract was not requested and when the project publishes none — appliedFilters.includeAbstract separates the two."

Previous value: -"Machine-readable failure mode. Declared by this tool: `country_not_found`: No economy or aggregate PIP publishes goes by one or more of the codes, including a two-character code the World Bank country listing does not carry. `ambiguous_aggregate`: IDA or its ISO2 code XG names WDI's IDA total, which PIP does not compute. `unserved_aggregate`: An aggregate code this tool does not serve: an FCV or PovcalNet grouping from PIP's regions table (FCVY, SSA, EAP), or a WDI income aggregate PIP computes none for (MIC, LMY). `aggregate_filter_conflict`: welfare_type or reporting_level was set alongside an aggregate code. `invalid_parameter`: PIP rejected the value supplied for a query parameter other than country. `ppp_version_unavailable`: ppp_version names a PPP vintage PIP's current data release is not published at. `upstream_unavailable`: PIP answered with a server error. Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `country_not_found`: No economy or aggregate PIP publishes goes by one or more of the codes, including a two-character code the World Bank country listing does not carry. `ambiguous_aggregate`: IDA or its ISO2 code XG names WDI's IDA total, which PIP does not compute. `unserved_aggregate`: An aggregate code this tool does not serve: an FCV or PovcalNet grouping from PIP's regions table (FCVY, SSA, EAP), or a WDI income aggregate PIP computes none for (MIC, LMY). `aggregate_filter_conflict`: welfare_type or reporting_level was set alongside an aggregate code. `invalid_parameter`: PIP rejected the value supplied for a query parameter other than country. `ppp_version_unavailable`: ppp_version names a PPP vintage PIP's current data release is not published at. `upstream_unavailable`: PIP answered with a server error, or the World Bank Indicators API country listing that resolves an ISO2 code could not be loaded. Other values are possible when a failure originates below the handler."

Previous value: -"When true, includes regional, income-group, and world aggregate entries alongside individual countries. Default false (individual countries only)."New value: +"When true, includes regional, income-group, and world aggregate entries alongside individual countries. Default false (individual countries only). No aggregate is returned under region or lending_type, whichever code is given, so this changes nothing when either is set."

Added value: +{
+  "anyOf": [
+    {
+      "const": "",
+      "type": "string"
+    },
+    {
+      "description": "IDX (IDA), IBD (IBRD), IDB (Blend), or LNX (Not classified).",
+      "enum": [
+        "IBD",
+        "IDB",
+        "IDX",
+        "LNX"
+      ],
+      "type": "string"
+    }
+  ],
+  "description": "Filter by World Bank lending type code: IDX (IDA), IBD (IBRD), IDB (Blend — eligible for both), or LNX (Not classified). IDX, IBD, and IDB are also the codes worldbank_get_poverty takes for its lending groups; a country's lendingType field reports the name (IDA, IBRD, Blend, Not classified)."
+}

Previous value: -"Filter by World Bank region code. Valid codes: EAS (East Asia & Pacific), ECS (Europe & Central Asia), LCN (Latin America & Caribbean), MEA (Middle East & North Africa), NAC (North America), SAS (South Asia), SSF (Sub-Saharan Africa)."New value: +"Filter by World Bank region code. A country's region.id is one of EAS (East Asia & Pacific), ECS (Europe & Central Asia), LCN (Latin America & Caribbean), MEA (Middle East, North Africa, Afghanistan & Pakistan), NAC (North America), SAS (South Asia), or SSF (Sub-Saharan Africa). Any other World Bank region or grouping code also filters, by membership: AFE (Africa Eastern and Southern), AFW (Africa Western and Central), ARB (Arab World), EUU (European Union), LDC (Least developed countries), and the rest of the codes the World Bank publishes for regions."

Previous value: -"World Bank lending type classification."New value: +"World Bank lending type name: IDA, IBRD, Blend, or Not classified (lending_type filters by the codes IDX, IBD, IDB, LNX). Aggregates report Aggregates."

Previous value: -[
-  {
-    "description": "A single two-character code, or a comma- or semicolon-separated list of them.",
-    "type": "string"
-  },
-  {
-    "description": "An array of two-character codes.",
-    "items": {
-      "description": "A two-character country code.",
-      "type": "string"
-    },
-    "type": "array"
-  }
-]New value: +[
+  {
+    "description": "A single country code, or a comma- or semicolon-separated list of them.",
+    "type": "string"
+  },
+  {
+    "description": "An array of country codes.",
+    "items": {
+      "description": "An ISO3, ISO2, or World Bank regional code.",
+      "type": "string"
+    },
+    "type": "array"
+  }
+]

Previous value: -"Borrowing countries, by the two-character code this API keys on: ISO2 for an economy (BR), or a World Bank regional code for a multi-country operation (3A for Africa, 4E for East Asia and Pacific). Several codes are combined as OR — a project matching any of them is returned. Omit for every country."New value: +"Borrowing countries: an economy by ISO3 or ISO2 code (BRA or BR), or a World Bank regional code for a multi-country operation (3A for Africa, 4E for East Asia and Pacific). Several codes are combined as OR — a project matching any of them is returned. Yemen, DR Congo, West Bank and Gaza, and Timor-Leste are searched under the legacy codes the portfolio files them by (RY, ZR, GZ, TP), which are also accepted as sent. A WDI aggregate (SSF, WLD, SAS) is rejected; use region for a regional search. Omit for every country."

Added value: +{
+  "description": "Financing windows to include, combined as OR: a project matches when its financialTypes holds any of them. IBRD, IDA, Grants, Other are the complete set, case-sensitive. A project that publishes no financing window — 36% of the portfolio, older and dropped operations mostly — never matches. The Grants window says how an operation is financed; it is not the grantAmount figure.",
+  "items": {
+    "enum": [
+      "IBRD",
+      "IDA",
+      "Grants",
+      "Other"
+    ],
+    "type": "string"
+  },
+  "type": "array"
+}

Previous value: -"Free-text search across project names, abstracts, and objectives. Every word must appear, so extra words narrow the result. Omit to browse the portfolio by filter alone, newest board approvals first."New value: +"Free-text search across project names, abstracts, and objectives. Every word must appear, so extra words narrow the result. A balanced quoted phrase and AND or OR between words parse; brackets, braces, an unmatched double quote, a slash between words, a trailing backslash, an AND or OR at either end, a trailing NOT, and # are not. Omit to browse the portfolio by filter alone. Results come newest board approval first either way."

Previous value: -"Country codes as sent upstream — uppercased and comma-joined here for readability, though the API itself takes them caret-separated. Omitted when no country filter was applied."New value: +"Country codes as sent upstream — each resolved to the code the portfolio keys on (BRA → BR, YEM or YE → RY), uppercased, deduplicated, and comma-joined here for readability, though the API itself takes them caret-separated. Omitted when no country filter was applied."

Added value: +{
+  "description": "Financing windows applied, comma-joined, omitted when none.",
+  "type": "string"
+}

Previous value: -"Machine-readable failure mode. Declared by this tool: `invalid_country_code`: A countries entry is not a two-character code — most often an ISO3 code such as BRA, which the Projects API does not key on. `invalid_date`: approved_from or approved_to is shaped YYYY-MM-DD but names no real day — a month outside 01–12, or a day outside its month. `reversed_date_range`: approved_from falls after approved_to, an interval no project can match. `page_out_of_range`: The requested page starts past the 100,000-result offset the Projects API serves. `upstream_unavailable`: The Projects API answered with a non-success status or an HTML error page: a 4xx when it refuses the query text, a 5xx or an error page when it cannot serve the search. Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `invalid_country_code`: A countries entry resolves to no economy: it is not two or three letters or digits, no economy in the World Bank country index has that three-character code, or it is a WDI aggregate such as SSF or WLD, which the portfolio lists no operations under. `invalid_date`: approved_from or approved_to is shaped YYYY-MM-DD but names no real day — a month outside 01–12, or a day outside its month. `reversed_date_range`: approved_from falls after approved_to, an interval no project can match. `invalid_query`: The Projects API could not parse query and answered HTTP 400, or query contains #, which the API answers with rows unrelated to the search. `page_out_of_range`: The requested page starts past the 100,000-result offset the Projects API serves. `upstream_unavailable`: The Projects API answered with a non-success status other than a query it could not parse — a rate limit, a timeout, a 5xx — or with an HTML error page, or the World Bank Indicators API country listing that resolves an ISO3 code could not be loaded. Other values are possible when a failure originates below the handler."

Previous value: -[
-  "invalid_country_code",
-  "invalid_date",
-  "reversed_date_range",
-  "page_out_of_range",
-  "upstream_unavailable"
-]New value: +[
+  "invalid_country_code",
+  "invalid_date",
+  "reversed_date_range",
+  "invalid_query",
+  "page_out_of_range",
+  "upstream_unavailable"
+]

Previous value: -"Projects on this page, newest board approval date first — the order the API returns and the order pagination walks."New value: +"Projects on this page, newest board approval date first with or without query, and projects with no board date last. Pagination walks the same order."

Previous value: -"Two-character code of the borrowing country — ISO2 for an economy, a World Bank regional code such as 3A for a multi-country operation. Upstream publishes it as a list, though every project in the portfolio carries exactly one."New value: +"Two-character code of the borrowing country — the economy's ISO2 code, which chains into the other tools (YE for Yemen, though the portfolio files it under RY), or a World Bank regional code such as 3A for a multi-country operation. Upstream publishes it as a list, though every project in the portfolio carries exactly one."

Previous value: -"Financing windows behind the operation: IBRD, IDA, Grants, or Other. A blended operation lists more than one."New value: +"Financing windows behind the operation: IBRD, IDA, Grants, Other — the values financial_type filters on. A blended operation lists more than one; empty where the project publishes none."

Added value: +{
+  "description": "Grant amount in USD: trust-fund grants and, on some operations, other agencies' co-financing recorded on the project, so it is not all World Bank money. Counted in totalCommitment. It is its own figure, unrelated to which financialTypes the project lists.",
+  "type": [
+    "number",
+    "null"
+  ]
+}

Added value: +{
+  "description": "IBRD commitment in USD. Null when the project publishes no IBRD or IDA amount, as on a grant-only operation — not a commitment of zero.",
+  "type": [
+    "number",
+    "null"
+  ]
+}

Added value: +{
+  "description": "IDA commitment in USD, IDA grants included. Null when the project publishes no IBRD or IDA amount — not a commitment of zero.",
+  "type": [
+    "number",
+    "null"
+  ]
+}

Previous value: -"Total World Bank commitment in USD. Null on just over half the portfolio, which publishes no amount — dropped and older operations mostly — and that is not the same as a commitment of zero."New value: +"Commitment amount in USD as the project page reports it: ibrdCommitment + idaCommitment + grantAmount. Null on 35.8% of the portfolio (28,153 projects, 2026-09-25), which publishes no amount — dropped and older operations mostly — and that is not the same as a commitment of zero. It can include other agencies' co-financing through grantAmount; World Bank lending alone is ibrdCommitment + idaCommitment."

Previous value: -[
-  "id",
-  "name",
-  "status",
-  "countryCodes",
-  "countryName",
-  "regionName",
-  "boardApprovalDate",
-  "closingDate",
-  "totalCommitment",
-  "financialTypes",
-  "majorSectors",
-  "abstract",
-  "url"
-]New value: +[
+  "id",
+  "name",
+  "status",
+  "countryCodes",
+  "countryName",
+  "regionName",
+  "boardApprovalDate",
+  "closingDate",
+  "totalCommitment",
+  "ibrdCommitment",
+  "idaCommitment",
+  "grantAmount",
+  "financialTypes",
+  "majorSectors",
+  "abstract",
+  "url"
+]

Previous value: -"Country codes. PIP identifies economies by ISO3 code (IND, USA, BRA); \"all\" returns every economy it covers. Pass a single code, an array, or one string separated by commas or semicolons. Regional, income-group, and world aggregate codes (WLD, SSF, HIC) are not served by this dataset — query the individual economies instead."New value: +"Country codes: a single code, an array, or one string separated by commas or semicolons. Economies go by ISO3 (IND, USA) or ISO2 (IN, US) code, including those PIP publishes only as model estimates (AFG); \"all\" returns every economy. PIP's aggregates are served too: WLD; the World Bank regions AFE, AFW, EAS, ECS, LCN, MEA, NAC, SAS, SSF; the income groups HIC, LIC, LMIC (or LMC), UMIC (or UMC); and the lending groups IDX (IDA only), IDB or BLND (IDA blend), IBD or IBRD (IBRD only), and REST. Income groups follow the fiscal-year classification PIP's data release was built with — FY2026 (July 2025) for release 20260922 — applied to every year, so membership can differ from the current one worldbank_get_country reports. IDA (IDA total) is rejected because PIP computes no IDA total: ask for IDX and IDB together. Other aggregate codes (SSA, EAP, FCVY, MIC, LMY) are rejected, and welfare_type and reporting_level cannot be combined with an aggregate."

Previous value: -"When true (the default), any year the surveys do not cover falls back to PIP's own estimate for it instead of being left out — so a single-year query still answers, and a full-history query returns a row per year rather than only the survey years. Those fallback rows carry no inequality data. Set false to return survey-derived rows only, accepting an empty result for years no survey covers."New value: +"When true (the default), any year the surveys do not cover falls back to PIP's own estimate for it instead of being left out — so a single-year query still answers, and a full-history query returns a row per year rather than only the survey years. Those fallback rows carry no inequality data. Set false to return survey-derived rows only, accepting an empty result for years no survey covers and for economies PIP publishes only as model estimates. It also decides what \"MRV\" resolves to, and has no effect on aggregate rows."

Previous value: -"Reporting year to return. A four-digit year (2022), \"all\" for the full history, or \"MRV\" for the most recent year available. Omitted behaves as \"all\". PIP coverage starts in 1963 and runs to the current year."New value: +"Reporting year to return. A four-digit year (2022), \"all\" for the full history, or \"MRV\" for the most recent year. Omitted behaves as \"all\". MRV follows fill_gaps: with fill_gaps true each economy resolves to PIP's latest estimate year, and with fill_gaps false to its latest survey year; an aggregate resolves to its newest reporting year. PIP coverage starts in 1963 and ends at the last year of the data release in use; a year outside that span fails with the span named."

Previous value: -"Country codes as sent to PIP — arrays and semicolon-separated input are normalized to a comma-joined list, so this shows the value actually queried."New value: +"Codes as queried, comma-joined across economies and aggregates: uppercased and deduplicated, two-character codes resolved to their three-character form (NG → NGA), and WDI group spellings read as PIP's (LMC → LMIC, IDB → BLND, IBD → IBRD). PIP's IDA-only group stays IDX, since IDA means IDA total. Every code here can be sent back as countries and asks for the same economy or group."

Previous value: -"Machine-readable failure mode. Declared by this tool: `country_not_found`: PIP does not recognize one or more of the country codes. `invalid_parameter`: PIP rejected the value supplied for a query parameter other than country. `ppp_version_unavailable`: ppp_version names a PPP vintage PIP's current data release is not published at. `upstream_unavailable`: PIP answered with a server error, which an aggregate country code also produces. Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `country_not_found`: No economy or aggregate PIP publishes goes by one or more of the codes, including a two-character code the World Bank country listing does not carry. `ambiguous_aggregate`: IDA or its ISO2 code XG names WDI's IDA total, which PIP does not compute. `unserved_aggregate`: An aggregate code this tool does not serve: an FCV or PovcalNet grouping from PIP's regions table (FCVY, SSA, EAP), or a WDI income aggregate PIP computes none for (MIC, LMY). `aggregate_filter_conflict`: welfare_type or reporting_level was set alongside an aggregate code. `invalid_parameter`: PIP rejected the value supplied for a query parameter other than country. `ppp_version_unavailable`: ppp_version names a PPP vintage PIP's current data release is not published at. `upstream_unavailable`: PIP answered with a server error. Other values are possible when a failure originates below the handler."

Previous value: -[
-  "country_not_found",
-  "invalid_parameter",
-  "ppp_version_unavailable",
-  "upstream_unavailable"
-]New value: +[
+  "country_not_found",
+  "ambiguous_aggregate",
+  "unserved_aggregate",
+  "aggregate_filter_conflict",
+  "invalid_parameter",
+  "ppp_version_unavailable",
+  "upstream_unavailable"
+]

Previous value: -"Poverty and inequality estimates for this page, ordered by country, year, reporting level, then welfare type."New value: +"Poverty and inequality estimates for this page — economies and aggregates in one list, ordered by code, year, reporting level, then welfare type."

Previous value: -"One country × year × reporting-level × welfare-type estimate."New value: +"One economy × year × reporting-level × welfare-type estimate, or one aggregate × year."

Previous value: -"ISO3 country code."New value: +"ISO3 code of the economy, or the aggregate code (SSF, LIC, WLD) on an aggregate row — IDX for PIP's IDA-only group. Accepted back as countries."

Previous value: -"Economy name."New value: +"Economy or aggregate name — \"IDA only\" for IDX, as WDI names it."

Previous value: -"How the row was produced: \"survey\" carries the full inequality block; \"interpolation\", \"extrapolation\", and \"CMD estimation\" are gap-filled and carry none. The last is what PIP publishes for economies it has no survey for at all."New value: +"How the row was produced. On an economy: \"survey\" carries the full inequality block; \"interpolation\", \"extrapolation\", and \"CMD estimation\" are gap-filled and carry none, the last being what PIP publishes for economies it has no survey for at all. On an aggregate: \"actual\", \"nowcast\", or \"projection\"."

Added value: +{
+  "description": "True on a PIP aggregate — World, a region, an income group, or a lending group — whose median, distributional block, survey fields, welfareType, and reportingLevel are null.",
+  "type": "boolean"
+}

Previous value: -"True on the interpolated and extrapolated rows. Read estimationType instead of relying on this alone — a \"CMD estimation\" row is also gap-filled but reports false here."New value: +"True on the interpolated and extrapolated rows. Read estimationType instead of relying on this alone — a \"CMD estimation\" row is also gap-filled but reports false here. Null on aggregate rows."

Previous value: -"boolean"New value: +[
+  "boolean",
+  "null"
+]

Previous value: -"Median daily welfare per person in PPP dollars."New value: +"Median daily welfare per person in PPP dollars. Null on aggregate rows, which PIP publishes without one."

Added value: +{
+  "description": "Number of people below the poverty line, as PIP publishes it on aggregate rows. Null on economy rows, where population × headcount gives it.",
+  "type": [
+    "number",
+    "null"
+  ]
+}

Previous value: -"PIP region code (e.g. SAS, NAC, SSA)."New value: +"PIP region code of the economy (e.g. SAS, NAC, SSF); null on an aggregate row."

Previous value: -"string"New value: +[
+  "string",
+  "null"
+]

Previous value: -"PIP region name."New value: +"PIP region name of the economy; null on an aggregate row."

Previous value: -"string"New value: +[
+  "string",
+  "null"
+]

Previous value: -"Coverage of this estimate: national, urban, or rural."New value: +"Coverage of this estimate: national, urban, or rural. Null on an aggregate row."

Previous value: -"string"New value: +[
+  "string",
+  "null"
+]

Previous value: -"Whether the underlying survey measures income or consumption. The two are not directly comparable across economies."New value: +"Whether the underlying survey measures income or consumption. The two are not directly comparable across economies. Null on an aggregate row, which spans both."

Previous value: -"string"New value: +[
+  "string",
+  "null"
+]

Previous value: -[
-  "countryCode",
-  "countryName",
-  "regionCode",
-  "regionName",
-  "reportingYear",
-  "reportingLevel",
-  "welfareType",
-  "povertyLine",
-  "headcount",
-  "povertyGap",
-  "povertySeverity",
-  "watts",
-  "mean",
-  "median",
-  "gini",
-  "mld",
-  "polarization",
-  "decileShares",
-  "population",
-  "surveyYear",
-  "surveyAcronym",
-  "surveyComparability",
-  "comparableSpell",
-  "estimationType",
-  "isInterpolated"
-]New value: +[
+  "countryCode",
+  "countryName",
+  "regionCode",
+  "regionName",
+  "reportingYear",
+  "reportingLevel",
+  "welfareType",
+  "povertyLine",
+  "headcount",
+  "povertyGap",
+  "povertySeverity",
+  "watts",
+  "mean",
+  "median",
+  "gini",
+  "mld",
+  "polarization",
+  "decileShares",
+  "population",
+  "popInPoverty",
+  "surveyYear",
+  "surveyAcronym",
+  "surveyComparability",
+  "comparableSpell",
+  "estimationType",
+  "isInterpolated",
+  "isAggregate"
+]

Previous value: -"Context for an empty result set, for a page past the end of the results, for a page size reduced to the page cap, or for a result carrying gap-filled rows with no inequality data."New value: +"Context for an empty result set, for a page past the end of the results, for a page size reduced to the page cap, for a result carrying gap-filled or aggregate rows with no inequality data, and for economies fill_gaps false left out."

Previous value: -"Machine-readable failure mode. Declared by this tool: `invalid_country_code`: A countries entry is not a two-character code — most often an ISO3 code such as BRA, which the Projects API does not key on. `invalid_date`: approved_from or approved_to is shaped YYYY-MM-DD but names no real day — a month outside 01–12, or a day outside its month. `reversed_date_range`: approved_from falls after approved_to, an interval no project can match. `page_out_of_range`: The requested page starts past the 100,000-result offset the Projects API serves. `upstream_unavailable`: The Projects API answered with a non-success status or an HTML error page. Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `invalid_country_code`: A countries entry is not a two-character code — most often an ISO3 code such as BRA, which the Projects API does not key on. `invalid_date`: approved_from or approved_to is shaped YYYY-MM-DD but names no real day — a month outside 01–12, or a day outside its month. `reversed_date_range`: approved_from falls after approved_to, an interval no project can match. `page_out_of_range`: The requested page starts past the 100,000-result offset the Projects API serves. `upstream_unavailable`: The Projects API answered with a non-success status or an HTML error page: a 4xx when it refuses the query text, a 5xx or an error page when it cannot serve the search. Other values are possible when a failure originates below the handler."

Added value: +{
+  "description": "For indicators answered from their own dataset (the response carries sourceScoped), the id of the value of that dataset's extra dimension to query, matched case-insensitively: a WDI Database Archives release (\"202503\"), an ICP or Food Prices for Nutrition classification (\"PPPGlob\", \"FPN 5.0\"), a GDLD sector (\"WHT\"), or an International Debt Statistics counterpart area (\"265\"). Omit it for the default, which sourceScoped.dimension reports: the only value when the dataset has one, \"WLD\" (World) for counterpart areas, the newest WDI Database Archives release holding data for the requested countries and periods (the newest release when none does), or otherwise every value with each row labelled. A value the dataset does not list is rejected with the valid ids, and a value for an indicator the standard data endpoint serves is rejected too.",
+  "type": "string"
+}

Previous value: -"Return the N most recent available values per country (1–100), clamped upstream to the length of the series. Rows are mrv × countries, so page through them with per_page. Mutually exclusive with date_range."New value: +"Return the N most recent periods (1–100) holding a value for any requested country, clamped to the length of the series. Every requested country comes back at those periods, null where it has no value there rather than with its own older values. Rows are mrv × countries, so page through them with per_page. Mutually exclusive with date_range."

Added value: +{
+  "description": "dimension_value as requested, omitted when none was given.",
+  "type": "string"
+}

Previous value: -"A single country×year observation."New value: +"A single country×period observation."

Previous value: -"Year of observation (YYYY format)."New value: +"Period of observation: a year (2020), quarter (2020Q1), or month (2020M03)."

Added value: +{
+  "additionalProperties": false,
+  "description": "The value of the dataset's extra dimension (sourceScoped.dimension.concept) this row belongs to. Present on source-scoped rows from a dataset that has one.",
+  "properties": {
+    "id": {
+      "description": "Dimension value id, e.g. \"202503\".",
+      "type": "string"
+    },
+    "label": {
+      "description": "Dimension value label, e.g. \"2025 Mar\".",
+      "type": "string"
+    }
+  },
+  "required": [
+    "id",
+    "label"
+  ],
+  "type": "object"
+}

Previous value: -"Machine-readable failure mode. Declared by this tool: `invalid_params`: Both date_range and mrv are provided simultaneously. `mixed_all_selector`: countries combines \"all\" with one or more country codes. `reversed_date_range`: date_range names a range whose first period comes after its second. `multiple_indicators`: The indicator ID is \"all\", which selects every indicator rather than one. `indicator_not_found`: The indicator ID does not exist. `indicator_not_queryable`: The indicator is listed in the catalog, or was, but the data endpoint does not serve it for any country or date — archived and retired datasets. `country_not_found`: One or more country codes are invalid. `indicator_and_country_not_found`: The indicator ID and the country codes are both invalid. Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `invalid_params`: Both date_range and mrv are provided simultaneously. `mixed_all_selector`: countries combines \"all\" with one or more country codes. `reversed_date_range`: date_range names a range whose first period comes after its second. `multiple_indicators`: The indicator ID is \"all\", which selects every indicator rather than one. `indicator_not_found`: The indicator ID does not exist. `indicator_not_queryable`: The standard data endpoint does not serve the indicator, and no catalog source can serve it through the source-scoped data API instead — the catalog no longer lists the ID, the catalog lookup failed, or the source is not organized by country, series, and time plus at most one further dimension. `unknown_dimension_value`: dimension_value is not a value the indicator's dataset lists for its extra dimension. `dimension_not_applicable`: dimension_value is given for an indicator the standard data endpoint serves, or whose dataset has no dimension beyond country, series, and time. `source_scope_too_large`: A source-scoped query would read more rows (countries × periods × unpinned dimension values) than one request allows. `country_not_found`: One or more country codes are invalid. `indicator_and_country_not_found`: The indicator ID and the country codes are both invalid. Other values are possible when a failure originates below the handler."

Previous value: -[
-  "invalid_params",
-  "mixed_all_selector",
-  "reversed_date_range",
-  "multiple_indicators",
-  "indicator_not_found",
-  "indicator_not_queryable",
-  "country_not_found",
-  "indicator_and_country_not_found"
-]New value: +[
+  "invalid_params",
+  "mixed_all_selector",
+  "reversed_date_range",
+  "multiple_indicators",
+  "indicator_not_found",
+  "indicator_not_queryable",
+  "unknown_dimension_value",
+  "dimension_not_applicable",
+  "source_scope_too_large",
+  "country_not_found",
+  "indicator_and_country_not_found"
+]

Previous value: -"Recovery hint for an empty result set — how to broaden the query when nothing matched, or the page range that exists when the requested page is past the end."New value: +"Recovery hint for an empty result set — how to broaden the query when nothing matched, or the page range that exists when the requested page is past the end — and, for source-scoped data, the requested country codes the serving dataset publishes nothing for."

Added value: +{
+  "additionalProperties": false,
+  "description": "Present only when the standard data endpoint does not serve the indicator and its catalog source served the values instead. Absent for indicators the standard endpoint serves.",
+  "properties": {
+    "dimension": {
+      "anyOf": [
+        {
+          "additionalProperties": false,
+          "properties": {
+            "concept": {
+              "description": "The extra dimension: Version, Classification, Sector, or Counterpart-Area.",
+              "type": "string"
+            },
+            "id": {
+              "description": "Applied value id; null for every_value.",
+              "type": [
+                "string",
+                "null"
+              ]
+            },
+            "label": {
+              "description": "Applied value label; null for every_value.",
+              "type": [
+                "string",
+                "null"
+              ]
+            },
+            "selection": {
+              "description": "How the value was chosen: requested (dimension_value), only_value (the only one the dataset lists), world_total (WLD, all counterpart areas), newest_with_data (newest release holding a value for the requested countries and periods), newest (newest release; none holds a value in that scope), or every_value (no single value; each row carries its own).",
+              "enum": [
+                "requested",
+                "only_value",
+                "world_total",
+                "newest_with_data",
+                "newest",
+                "every_value"
+              ],
+              "type": "string"
+            }
+          },
+          "required": [
+            "concept",
+            "selection",
+            "id",
+            "label"
+          ],
+          "type": "object"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "The dimension value applied; null when the dataset has no extra dimension."
+    },
+    "note": {
+      "description": "States that the values came from the source-scoped data API rather than the standard World Bank data endpoint, and may be archived or superseded figures.",
+      "type": "string"
+    },
+    "sourceId": {
+      "description": "ID of the World Bank data source that served the values.",
+      "type": "string"
+    },
+    "sourceName": {
+      "description": "Name of that data source, e.g. \"WDI Database Archives\".",
+      "type": "string"
+    }
+  },
+  "required": [
+    "sourceId",
+    "sourceName",
+    "dimension",
+    "note"
+  ],
+  "type": "object"
+}

Previous value: -"Time window to filter observations to. Accepts a whole year (`2020`), a quarter (`2020Q1`), or a month (`2020M03`), or a range of two periods of the same type separated by a colon, earliest first (`2010:2023`, `2020Q1:2021Q4`, `2020M01:2020M06`). A window and an observation match whenever the periods overlap, so a year window also selects the quarters and months inside it. A window covering no part of the series returns zero observations rather than the full series. Mutually exclusive with mrv."New value: +"Time window to filter observations to. Accepts a whole year (`2020`), a quarter (`2020Q1`), or a month (`2020M03`), or a range of two periods of the same type separated by a colon, earliest first (`2010:2023`, `2020Q1:2021Q4`, `2020M01:2020M06`); a range running latest first is rejected. A window and an observation match whenever the periods overlap, so a year window also selects the quarters and months inside it. A window covering no part of the series returns zero observations rather than the full series. Mutually exclusive with mrv."

Previous value: -"Current page number."New value: +"Page number requested — past totalPages when the request ran off the end."

Previous value: -"Machine-readable failure mode. Declared by this tool: `invalid_params`: Both date_range and mrv are provided simultaneously. `multiple_indicators`: The indicator ID is \"all\", which selects every indicator rather than one. `indicator_not_found`: The indicator ID does not exist. `indicator_not_queryable`: The indicator is listed in the catalog, or was, but the data endpoint does not serve it for any country or date — archived and retired datasets. `country_not_found`: One or more country codes are invalid. `indicator_and_country_not_found`: The indicator ID and the country codes are both invalid. Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `invalid_params`: Both date_range and mrv are provided simultaneously. `mixed_all_selector`: countries combines \"all\" with one or more country codes. `reversed_date_range`: date_range names a range whose first period comes after its second. `multiple_indicators`: The indicator ID is \"all\", which selects every indicator rather than one. `indicator_not_found`: The indicator ID does not exist. `indicator_not_queryable`: The indicator is listed in the catalog, or was, but the data endpoint does not serve it for any country or date — archived and retired datasets. `country_not_found`: One or more country codes are invalid. `indicator_and_country_not_found`: The indicator ID and the country codes are both invalid. Other values are possible when a failure originates below the handler."

Previous value: -[
-  "invalid_params",
-  "multiple_indicators",
-  "indicator_not_found",
-  "indicator_not_queryable",
-  "country_not_found",
-  "indicator_and_country_not_found"
-]New value: +[
+  "invalid_params",
+  "mixed_all_selector",
+  "reversed_date_range",
+  "multiple_indicators",
+  "indicator_not_found",
+  "indicator_not_queryable",
+  "country_not_found",
+  "indicator_and_country_not_found"
+]

Previous value: -"Recovery hint for sparse or empty result sets — suggests how to broaden the query."New value: +"Recovery hint for an empty result set — how to broaden the query when nothing matched, or the page range that exists when the requested page is past the end."

Previous value: -"Results per page (default: server default, max: 1000). \"all\" countries across \"all\" years runs to a few thousand rows."New value: +"Results per page (default: server default, max: 1000). \"all\" countries across \"all\" years runs to several thousand rows. One page holds at most 70 estimates, which keeps a response within about 50 KB; a larger value, the server default included, is reduced to that cap, disclosed in notice, and echoed as appliedFilters.perPage, and totalPages is counted at the reduced size."

Previous value: -"Poverty line in PPP dollars per person per day — any threshold, not only the published ones. Omitted uses the international poverty line of the PIP release currently served, so the applied value is echoed back on every row as povertyLine rather than assumed here. The poverty line does not affect the inequality fields, which describe the whole distribution."New value: +"Poverty line in PPP dollars per person per day, at the applied PPP vintage — any threshold, not only the published ones. Omitted uses the international poverty line for that vintage, so the applied value is echoed back on every row as povertyLine rather than assumed here. The poverty line does not affect the inequality fields, which describe the whole distribution."

Added value: +{
+  "anyOf": [
+    {
+      "const": "",
+      "type": "string"
+    },
+    {
+      "description": "A PPP vintage year.",
+      "pattern": "^\\d{4}$",
+      "type": "string"
+    }
+  ],
+  "description": "PPP vintage to express every dollar figure in — the poverty line, mean, and median — as a four-digit year (\"2021\", \"2017\"). It must be one of the vintages PIP's current data release is published at; any other value fails with the available vintages named. Omitted uses the newest vintage of that release. The vintage and release applied are echoed as appliedFilters.pppVersion and appliedFilters.releaseVersion."
+}

Previous value: -"Results per page used, including the server default."New value: +"Results per page actually served — the requested size or server default, reduced to the page cap when larger. totalPages is counted at this size."

Added value: +{
+  "description": "PPP vintage every dollar figure in these estimates is expressed in, whether requested or resolved as the newest vintage of the release.",
+  "type": "string"
+}

Added value: +{
+  "description": "PIP data release the estimates come from, as its YYYYMMDD stamp — the newest release PIP lists. Survey and gap-filled rows share it.",
+  "type": "string"
+}

Added value: +{
+  "description": "Page size asked for, requested or server default, present only when it exceeded the page cap and perPage was reduced.",
+  "type": "number"
+}

Previous value: -[
-  "countries",
-  "fillGaps",
-  "page",
-  "perPage"
-]New value: +[
+  "countries",
+  "pppVersion",
+  "releaseVersion",
+  "fillGaps",
+  "page",
+  "perPage"
+]

Previous value: -"Current page number."New value: +"Page number requested — past totalPages when the request ran off the end."

Previous value: -"Machine-readable failure mode. Declared by this tool: `country_not_found`: PIP does not recognize one or more of the country codes. `invalid_parameter`: PIP rejected the value supplied for a query parameter other than country. `upstream_unavailable`: PIP answered with a server error, which an aggregate country code also produces. Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `country_not_found`: PIP does not recognize one or more of the country codes. `invalid_parameter`: PIP rejected the value supplied for a query parameter other than country. `ppp_version_unavailable`: ppp_version names a PPP vintage PIP's current data release is not published at. `upstream_unavailable`: PIP answered with a server error, which an aggregate country code also produces. Other values are possible when a failure originates below the handler."

Previous value: -[
-  "country_not_found",
-  "invalid_parameter",
-  "upstream_unavailable"
-]New value: +[
+  "country_not_found",
+  "invalid_parameter",
+  "ppp_version_unavailable",
+  "upstream_unavailable"
+]

Added value: +{
+  "description": "The span of years the comparable series behind this row covers, as PIP labels it (\"2022\", \"2011 - 2022\"). Null on gap-filled rows.",
+  "type": [
+    "string",
+    "null"
+  ]
+}

Added value: +{
+  "description": "PIP's series comparability code within the economy: 0 is its oldest comparable series and the code steps up each time comparability breaks, so two survey rows of one economy compare over time only when they share it. Null on gap-filled rows.",
+  "type": [
+    "number",
+    "null"
+  ]
+}

Previous value: -[
-  "countryCode",
-  "countryName",
-  "regionCode",
-  "regionName",
-  "reportingYear",
-  "reportingLevel",
-  "welfareType",
-  "povertyLine",
-  "headcount",
-  "povertyGap",
-  "povertySeverity",
-  "watts",
-  "mean",
-  "median",
-  "gini",
-  "mld",
-  "polarization",
-  "decileShares",
-  "population",
-  "surveyYear",
-  "surveyAcronym",
-  "estimationType",
-  "isInterpolated"
-]New value: +[
+  "countryCode",
+  "countryName",
+  "regionCode",
+  "regionName",
+  "reportingYear",
+  "reportingLevel",
+  "welfareType",
+  "povertyLine",
+  "headcount",
+  "povertyGap",
+  "povertySeverity",
+  "watts",
+  "mean",
+  "median",
+  "gini",
+  "mld",
+  "polarization",
+  "decileShares",
+  "population",
+  "surveyYear",
+  "surveyAcronym",
+  "surveyComparability",
+  "comparableSpell",
+  "estimationType",
+  "isInterpolated"
+]

Previous value: -"Context for an empty result set, or for a result carrying gap-filled rows with no inequality data."New value: +"Context for an empty result set, for a page past the end of the results, for a page size reduced to the page cap, or for a result carrying gap-filled rows with no inequality data."

Previous value: -"Current page number."New value: +"Page number requested — past totalPages when the request ran off the end."

Added value: +{
+  "description": "Context for an empty page: which filters matched nothing, or the page range that exists when the requested page is past the end.",
+  "type": "string"
+}

Previous value: -"Current page number."New value: +"Page number requested — past totalPages when the request ran off the end."

Added value: +{
+  "description": "Context for an empty page: the page range that exists when the requested page is past the end.",
+  "type": "string"
+}

Previous value: -"Earliest board approval date, as YYYY-MM-DD and inclusive. Board approval is the date the Bank committed to the operation; pipeline projects carry a scheduled date in the future."New value: +"Earliest board approval date, as YYYY-MM-DD and inclusive. It must be a real calendar day (2024-02-29, not 2023-02-29) and, when approved_to is also set, on or before it. Board approval is the date the Bank committed to the operation; pipeline projects carry a scheduled date in the future."

Previous value: -"Latest board approval date, as YYYY-MM-DD and inclusive."New value: +"Latest board approval date, as YYYY-MM-DD and inclusive. It must be a real calendar day."

Previous value: -"Include each project's abstract. Abstracts run long — a median of roughly 1,200 characters — so a full page of them roughly doubles the response; leave this off while narrowing a search and turn it on once the result set is small enough to read. Projects that publish no abstract report null either way, which appliedFilters.includeAbstract distinguishes."New value: +"Include each project's abstract. Abstracts run long — a median of roughly 1,200 characters, up to 8,000 — so a page carrying them holds at most 8 projects rather than 80, with every abstract returned whole; leave this off while narrowing a search and turn it on once the result set is small enough to read. Projects that publish no abstract report null either way, which appliedFilters.includeAbstract distinguishes."

Previous value: -"Results per page (default: server default, max: 1000, which is also the most the API will return for one request)."New value: +"Results per page (default: server default, max: 1000). One page holds at most 80 projects, or 8 with include_abstract, which keeps a response within about 50 KB; a larger value, the server default included, is reduced to that cap, disclosed in notice, and echoed as appliedFilters.perPage, and totalPages is counted at the reduced size."

Previous value: -"Results per page used, including the server default."New value: +"Results per page actually served — the requested size or server default, reduced to the page cap when larger. totalPages is counted at this size."

Added value: +{
+  "description": "Page size asked for, requested or server default, present only when it exceeded the page cap and perPage was reduced.",
+  "type": "number"
+}

Previous value: -"Current page number."New value: +"Page number requested — past totalPages when the request ran off the end."

Previous value: -"Machine-readable failure mode. Declared by this tool: `page_out_of_range`: The requested page starts past the 100,000-result offset the Projects API serves. `upstream_unavailable`: The Projects API answered with a non-success status or an HTML error page. Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `invalid_country_code`: A countries entry is not a two-character code — most often an ISO3 code such as BRA, which the Projects API does not key on. `invalid_date`: approved_from or approved_to is shaped YYYY-MM-DD but names no real day — a month outside 01–12, or a day outside its month. `reversed_date_range`: approved_from falls after approved_to, an interval no project can match. `page_out_of_range`: The requested page starts past the 100,000-result offset the Projects API serves. `upstream_unavailable`: The Projects API answered with a non-success status or an HTML error page. Other values are possible when a failure originates below the handler."

Previous value: -[
-  "page_out_of_range",
-  "upstream_unavailable"
-]New value: +[
+  "invalid_country_code",
+  "invalid_date",
+  "reversed_date_range",
+  "page_out_of_range",
+  "upstream_unavailable"
+]

Previous value: -"Context for an empty result set — including whether the country filter matched anything on its own — or for a page past the end of the results."New value: +"Context for an empty result set — including whether the country filter matched anything on its own — for a page past the end of the results, or for a page size reduced to the page cap."

Previous value: -"Country code. Accepts ISO2 (US), ISO3 (USA), or aggregate code (EAS, HIC, WLD). Use worldbank_list_countries to browse valid codes."New value: +"One country code. Accepts ISO2 (US), ISO3 (USA), or aggregate code (EAS, HIC, WLD) — not \"all\" or a list of codes. Use worldbank_list_countries to browse valid codes."

Removed value: -1

Added value: +"^[A-Za-z0-9]{2,3}$"

Previous value: -"Machine-readable failure mode. Declared by this tool: `country_not_found`: The country code does not exist in the World Bank API. Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `country_not_found`: The country code does not exist in the World Bank API. `multiple_countries`: The code is \"all\", or another selector the World Bank resolves to more than one country. Other values are possible when a failure originates below the handler."

Previous value: -[
-  "country_not_found"
-]New value: +[
+  "country_not_found",
+  "multiple_countries"
+]

Previous value: -"Indicator code to query (e.g. NY.GDP.PCAP.CD, SP.POP.TOTL). Use worldbank_search_indicators to find valid IDs."New value: +"One indicator code to query (e.g. NY.GDP.PCAP.CD, SP.POP.TOTL) — not \"all\" or a list of codes. Use worldbank_search_indicators to find valid IDs."

Removed value: -1

Added value: +"^[A-Za-z0-9._-]+$"

Previous value: -"Machine-readable failure mode. Declared by this tool: `invalid_params`: Both date_range and mrv are provided simultaneously. `indicator_not_found`: The indicator ID does not exist. `indicator_not_queryable`: The indicator is listed in the catalog, or was, but the data endpoint does not serve it for any country or date — archived and retired datasets. `country_not_found`: One or more country codes are invalid. `indicator_and_country_not_found`: The indicator ID and the country codes are both invalid. Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `invalid_params`: Both date_range and mrv are provided simultaneously. `multiple_indicators`: The indicator ID is \"all\", which selects every indicator rather than one. `indicator_not_found`: The indicator ID does not exist. `indicator_not_queryable`: The indicator is listed in the catalog, or was, but the data endpoint does not serve it for any country or date — archived and retired datasets. `country_not_found`: One or more country codes are invalid. `indicator_and_country_not_found`: The indicator ID and the country codes are both invalid. Other values are possible when a failure originates below the handler."

Previous value: -[
-  "invalid_params",
-  "indicator_not_found",
-  "indicator_not_queryable",
-  "country_not_found",
-  "indicator_and_country_not_found"
-]New value: +[
+  "invalid_params",
+  "multiple_indicators",
+  "indicator_not_found",
+  "indicator_not_queryable",
+  "country_not_found",
+  "indicator_and_country_not_found"
+]

Previous value: -"Indicator code (e.g. NY.GDP.PCAP.CD, SP.POP.TOTL). Use worldbank_search_indicators to find valid IDs."New value: +"One indicator code (e.g. NY.GDP.PCAP.CD, SP.POP.TOTL) — not \"all\" or a list of codes. Use worldbank_search_indicators to find valid IDs."

Removed value: -1

Added value: +"^[A-Za-z0-9._-]+$"

Previous value: -"Machine-readable failure mode. Declared by this tool: `indicator_not_found`: The indicator ID does not exist in the World Bank API. Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `indicator_not_found`: The indicator ID does not exist in the World Bank API. `multiple_indicators`: The ID is \"all\", or another selector the World Bank resolves to more than one indicator. Other values are possible when a failure originates below the handler."

Previous value: -[
-  "indicator_not_found"
-]New value: +[
+  "indicator_not_found",
+  "multiple_indicators"
+]

Previous value: -"Keyword search terms — an indicator name, ID, or any words from either (e.g. \"GDP per capita\", \"NY.GDP.MKTP.CD\", \"CO2 emissions\"). Every term must match; punctuation is ignored. At least one of query, topic_id, or source_id must be provided."New value: +"Keyword search terms — an indicator name, ID, or any words from either (e.g. \"GDP per capita\", \"NY.GDP.MKTP.CD\", \"CO2 emissions\"). Every term must match; punctuation is ignored, so the query needs at least one letter or digit. At least one of query, topic_id, or source_id must be provided."

Added value: +"^\\s*\\d*\\s*$"

Added value: +"^\\s*\\d*\\s*$"

Previous value: -"Machine-readable failure mode. Declared by this tool: `missing_filter`: None of query, topic_id, or source_id were provided. `invalid_filter`: The topic_id or source_id does not exist upstream. Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `missing_filter`: None of query, topic_id, or source_id were provided. `invalid_filter`: The topic_id or source_id does not exist upstream. `empty_query`: The query contains no letters or digits once punctuation is ignored. Other values are possible when a failure originates below the handler."

Previous value: -[
-  "missing_filter",
-  "invalid_filter"
-]New value: +[
+  "missing_filter",
+  "invalid_filter",
+  "empty_query"
+]

Previous value: -[
-  {
-    "description": "A single country code or \"all\".",
-    "pattern": "[^\\s;]",
-    "type": "string"
-  },
-  {
-    "description": "An array of country codes.",
-    "items": {
-      "description": "A country code.",
-      "type": "string"
-    },
-    "minItems": 1,
-    "type": "array"
-  }
-]New value: +[
+  {
+    "description": "A single country code, a comma- or semicolon-separated list, or \"all\".",
+    "pattern": "[^\\s;,]",
+    "type": "string"
+  },
+  {
+    "description": "An array of country codes.",
+    "items": {
+      "description": "A country code.",
+      "type": "string"
+    },
+    "minItems": 1,
+    "type": "array"
+  }
+]

Previous value: -"Country codes. Accepts: ISO2 (US, CN), ISO3 (USA, CHN), regional aggregate codes (EAS, LCN, MEA, SAS, SSF, ECS, NAC), income group codes (HIC, UMC, LMC, LIC), world code (WLD), or \"all\" for every entry (use pagination). Pass a single string or an array of codes for multi-country queries. At least one code is required — an empty value is rejected rather than treated as \"all\"."New value: +"Country codes. Accepts: ISO2 (US, CN), ISO3 (USA, CHN), regional aggregate codes (EAS, LCN, MEA, SAS, SSF, ECS, NAC), income group codes (HIC, UMC, LMC, LIC), world code (WLD), or \"all\" on its own for every entry (use pagination). Pass a single code, an array, or one string separated by commas or semicolons. At least one code is required — an empty value is rejected rather than treated as \"all\"."

Previous value: -"Country codes as sent to the API — an array input is joined with semicolons, so this shows the normalized value."New value: +"Country codes as sent to the API — array elements and comma- or semicolon-separated strings are split and rejoined with semicolons, so this shows the normalized value."

Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]

Added value: +[
+  "number",
+  "null"
+]

Previous value: -"Machine-readable failure mode. Declared by this tool: `invalid_params`: Both date_range and mrv are provided simultaneously. `indicator_not_found`: The indicator ID does not exist. `country_not_found`: One or more country codes are invalid. `indicator_and_country_not_found`: The indicator ID and the country codes are both invalid. Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `invalid_params`: Both date_range and mrv are provided simultaneously. `indicator_not_found`: The indicator ID does not exist. `indicator_not_queryable`: The indicator is listed in the catalog, or was, but the data endpoint does not serve it for any country or date — archived and retired datasets. `country_not_found`: One or more country codes are invalid. `indicator_and_country_not_found`: The indicator ID and the country codes are both invalid. Other values are possible when a failure originates below the handler."

Previous value: -[
-  "invalid_params",
-  "indicator_not_found",
-  "country_not_found",
-  "indicator_and_country_not_found"
-]New value: +[
+  "invalid_params",
+  "indicator_not_found",
+  "indicator_not_queryable",
+  "country_not_found",
+  "indicator_and_country_not_found"
+]

Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]

Added value: +[
+  "number",
+  "null"
+]

Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]

Added value: +[
+  "number",
+  "null"
+]

Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]

Added value: +[
+  "number",
+  "null"
+]

Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]

Added value: +[
+  "number",
+  "null"
+]

Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]

Added value: +[
+  "number",
+  "null"
+]

Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]

Added value: +[
+  "number",
+  "null"
+]

Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]

Added value: +[
+  "number",
+  "null"
+]

Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]

Added value: +[
+  "number",
+  "null"
+]

Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]

Added value: +[
+  "number",
+  "null"
+]

Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]

Added value: +[
+  "number",
+  "null"
+]

Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]

Added value: +[
+  "number",
+  "null"
+]

Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]

Added value: +[
+  "string",
+  "null"
+]

Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]

Added value: +[
+  "string",
+  "null"
+]

Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]

Added value: +[
+  "string",
+  "null"
+]

Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]

Added value: +[
+  "number",
+  "null"
+]

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

Added value: +false

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

Added value: +[
+  {
+    "not": {
+      "required": [
+        "error"
+      ]
+    },
+    "required": [
+      "id",
+      "iso2",
+      "name",
+      "region",
+      "incomeLevel",
+      "lendingType",
+      "capitalCity",
+      "longitude",
+      "latitude",
+      "isAggregate"
+    ]
+  },
+  {
+    "required": [
+      "error"
+    ]
+  }
+]

Added value: +{
+  "additionalProperties": {},
+  "description": "Present when the call failed. Absent on success.",
+  "properties": {
+    "code": {
+      "description": "JSON-RPC error code for this failure.",
+      "maximum": 9007199254740991,
+      "minimum": -9007199254740991,
+      "type": "integer"
+    },
+    "data": {
+      "additionalProperties": {},
+      "properties": {
+        "reason": {
+          "description": "Machine-readable failure mode. Declared by this tool: `country_not_found`: The country code does not exist in the World Bank API. Other values are possible when a failure originates below the handler.",
+          "examples": [
+            "country_not_found"
+          ],
+          "type": "string"
+        },
+        "recovery": {
+          "additionalProperties": {},
+          "description": "Actionable next step for the caller.",
+          "properties": {
+            "hint": {
+              "type": "string"
+            }
+          },
+          "required": [
+            "hint"
+          ],
+          "type": "object"
+        },
+        "retryable": {
+          "description": "Whether retrying may succeed.",
+          "type": "boolean"
+        }
+      },
+      "type": "object"
+    },
+    "message": {
+      "description": "Human-readable description of what went wrong.",
+      "type": "string"
+    }
+  },
+  "required": [
+    "code",
+    "message"
+  ],
+  "type": "object"
+}

Removed value: -[
-  "id",
-  "iso2",
-  "name",
-  "region",
-  "incomeLevel",
-  "lendingType",
-  "capitalCity",
-  "longitude",
-  "latitude",
-  "isAggregate"
-]

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

Added value: +false

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

Added value: +[
+  {
+    "not": {
+      "required": [
+        "error"
+      ]
+    },
+    "required": [
+      "data",
+      "indicator",
+      "nullCount",
+      "appliedFilters",
+      "totalCount",
+      "currentPage",
+      "totalPages"
+    ]
+  },
+  {
+    "required": [
+      "error"
+    ]
+  }
+]

Added value: +{
+  "additionalProperties": {},
+  "description": "Present when the call failed. Absent on success.",
+  "properties": {
+    "code": {
+      "description": "JSON-RPC error code for this failure.",
+      "maximum": 9007199254740991,
+      "minimum": -9007199254740991,
+      "type": "integer"
+    },
+    "data": {
+      "additionalProperties": {},
+      "properties": {
+        "reason": {
+          "description": "Machine-readable failure mode. Declared by this tool: `invalid_params`: Both date_range and mrv are provided simultaneously. `indicator_not_found`: The indicator ID does not exist. `country_not_found`: One or more country codes are invalid. `indicator_and_country_not_found`: The indicator ID and the country codes are both invalid. Other values are possible when a failure originates below the handler.",
+          "examples": [
+            "invalid_params",
+            "indicator_not_found",
+            "country_not_found",
+            "indicator_and_country_not_found"
+          ],
+          "type": "string"
+        },
+        "recovery": {
+          "additionalProperties": {},
+          "description": "Actionable next step for the caller.",
+          "properties": {
+            "hint": {
+              "type": "string"
+            }
+          },
+          "required": [
+            "hint"
+          ],
+          "type": "object"
+        },
+        "retryable": {
+          "description": "Whether retrying may succeed.",
+          "type": "boolean"
+        }
+      },
+      "type": "object"
+    },
+    "message": {
+      "description": "Human-readable description of what went wrong.",
+      "type": "string"
+    }
+  },
+  "required": [
+    "code",
+    "message"
+  ],
+  "type": "object"
+}

Removed value: -[
-  "data",
-  "indicator",
-  "nullCount",
-  "appliedFilters",
-  "totalCount",
-  "currentPage",
-  "totalPages"
-]

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

Added value: +false

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

Added value: +[
+  {
+    "not": {
+      "required": [
+        "error"
+      ]
+    },
+    "required": [
+      "id",
+      "name",
+      "unit",
+      "sourceId",
+      "sourceName",
+      "sourceNote",
+      "sourceOrganization",
+      "topics"
+    ]
+  },
+  {
+    "required": [
+      "error"
+    ]
+  }
+]

Added value: +{
+  "additionalProperties": {},
+  "description": "Present when the call failed. Absent on success.",
+  "properties": {
+    "code": {
+      "description": "JSON-RPC error code for this failure.",
+      "maximum": 9007199254740991,
+      "minimum": -9007199254740991,
+      "type": "integer"
+    },
+    "data": {
+      "additionalProperties": {},
+      "properties": {
+        "reason": {
+          "description": "Machine-readable failure mode. Declared by this tool: `indicator_not_found`: The indicator ID does not exist in the World Bank API. Other values are possible when a failure originates below the handler.",
+          "examples": [
+            "indicator_not_found"
+          ],
+          "type": "string"
+        },
+        "recovery": {
+          "additionalProperties": {},
+          "description": "Actionable next step for the caller.",
+          "properties": {
+            "hint": {
+              "type": "string"
+            }
+          },
+          "required": [
+            "hint"
+          ],
+          "type": "object"
+        },
+        "retryable": {
+          "description": "Whether retrying may succeed.",
+          "type": "boolean"
+        }
+      },
+      "type": "object"
+    },
+    "message": {
+      "description": "Human-readable description of what went wrong.",
+      "type": "string"
+    }
+  },
+  "required": [
+    "code",
+    "message"
+  ],
+  "type": "object"
+}

Removed value: -[
-  "id",
-  "name",
-  "unit",
-  "sourceId",
-  "sourceName",
-  "sourceNote",
-  "sourceOrganization",
-  "topics"
-]

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

Added value: +false

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

Added value: +[
+  {
+    "not": {
+      "required": [
+        "error"
+      ]
+    },
+    "required": [
+      "estimates",
+      "appliedFilters",
+      "totalCount",
+      "currentPage",
+      "totalPages"
+    ]
+  },
+  {
+    "required": [
+      "error"
+    ]
+  }
+]

Added value: +{
+  "additionalProperties": {},
+  "description": "Present when the call failed. Absent on success.",
+  "properties": {
+    "code": {
+      "description": "JSON-RPC error code for this failure.",
+      "maximum": 9007199254740991,
+      "minimum": -9007199254740991,
+      "type": "integer"
+    },
+    "data": {
+      "additionalProperties": {},
+      "properties": {
+        "reason": {
+          "description": "Machine-readable failure mode. Declared by this tool: `country_not_found`: PIP does not recognize one or more of the country codes. `invalid_parameter`: PIP rejected the value supplied for a query parameter other than country. `upstream_unavailable`: PIP answered with a server error, which an aggregate country code also produces. Other values are possible when a failure originates below the handler.",
+          "examples": [
+            "country_not_found",
+            "invalid_parameter",
+            "upstream_unavailable"
+          ],
+          "type": "string"
+        },
+        "recovery": {
+          "additionalProperties": {},
+          "description": "Actionable next step for the caller.",
+          "properties": {
+            "hint": {
+              "type": "string"
+            }
+          },
+          "required": [
+            "hint"
+          ],
+          "type": "object"
+        },
+        "retryable": {
+          "description": "Whether retrying may succeed.",
+          "type": "boolean"
+        }
+      },
+      "type": "object"
+    },
+    "message": {
+      "description": "Human-readable description of what went wrong.",
+      "type": "string"
+    }
+  },
+  "required": [
+    "code",
+    "message"
+  ],
+  "type": "object"
+}

Removed value: -[
-  "estimates",
-  "appliedFilters",
-  "totalCount",
-  "currentPage",
-  "totalPages"
-]

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

Added value: +false

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

Added value: +[
+  {
+    "not": {
+      "required": [
+        "error"
+      ]
+    },
+    "required": [
+      "countries",
+      "totalCount",
+      "currentPage",
+      "totalPages"
+    ]
+  },
+  {
+    "required": [
+      "error"
+    ]
+  }
+]

Added value: +{
+  "additionalProperties": {},
+  "description": "Present when the call failed. Absent on success.",
+  "properties": {
+    "code": {
+      "description": "JSON-RPC error code for this failure.",
+      "maximum": 9007199254740991,
+      "minimum": -9007199254740991,
+      "type": "integer"
+    },
+    "data": {
+      "additionalProperties": {},
+      "properties": {
+        "reason": {
+          "description": "Machine-readable failure mode. Declared by this tool: `invalid_filter`: An invalid region or income_level code was provided. Other values are possible when a failure originates below the handler.",
+          "examples": [
+            "invalid_filter"
+          ],
+          "type": "string"
+        },
+        "recovery": {
+          "additionalProperties": {},
+          "description": "Actionable next step for the caller.",
+          "properties": {
+            "hint": {
+              "type": "string"
+            }
+          },
+          "required": [
+            "hint"
+          ],
+          "type": "object"
+        },
+        "retryable": {
+          "description": "Whether retrying may succeed.",
+          "type": "boolean"
+        }
+      },
+      "type": "object"
+    },
+    "message": {
+      "description": "Human-readable description of what went wrong.",
+      "type": "string"
+    }
+  },
+  "required": [
+    "code",
+    "message"
+  ],
+  "type": "object"
+}

Removed value: -[
-  "countries",
-  "totalCount",
-  "currentPage",
-  "totalPages"
-]

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

Added value: +false

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

Added value: +[
+  {
+    "not": {
+      "required": [
+        "error"
+      ]
+    },
+    "required": [
+      "sources",
+      "totalCount",
+      "currentPage",
+      "totalPages"
+    ]
+  },
+  {
+    "required": [
+      "error"
+    ]
+  }
+]

Added value: +{
+  "additionalProperties": {},
+  "description": "Present when the call failed. Absent on success.",
+  "properties": {
+    "code": {
+      "description": "JSON-RPC error code for this failure.",
+      "maximum": 9007199254740991,
+      "minimum": -9007199254740991,
+      "type": "integer"
+    },
+    "data": {
+      "additionalProperties": {},
+      "properties": {
+        "reason": {
+          "description": "Machine-readable failure mode.",
+          "type": "string"
+        },
+        "recovery": {
+          "additionalProperties": {},
+          "description": "Actionable next step for the caller.",
+          "properties": {
+            "hint": {
+              "type": "string"
+            }
+          },
+          "required": [
+            "hint"
+          ],
+          "type": "object"
+        },
+        "retryable": {
+          "description": "Whether retrying may succeed.",
+          "type": "boolean"
+        }
+      },
+      "type": "object"
+    },
+    "message": {
+      "description": "Human-readable description of what went wrong.",
+      "type": "string"
+    }
+  },
+  "required": [
+    "code",
+    "message"
+  ],
+  "type": "object"
+}

Removed value: -[
-  "sources",
-  "totalCount",
-  "currentPage",
-  "totalPages"
-]

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

Added value: +false

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

Added value: +[
+  {
+    "not": {
+      "required": [
+        "error"
+      ]
+    },
+    "required": [
+      "topics"
+    ]
+  },
+  {
+    "required": [
+      "error"
+    ]
+  }
+]

Added value: +{
+  "additionalProperties": {},
+  "description": "Present when the call failed. Absent on success.",
+  "properties": {
+    "code": {
+      "description": "JSON-RPC error code for this failure.",
+      "maximum": 9007199254740991,
+      "minimum": -9007199254740991,
+      "type": "integer"
+    },
+    "data": {
+      "additionalProperties": {},
+      "properties": {
+        "reason": {
+          "description": "Machine-readable failure mode.",
+          "type": "string"
+        },
+        "recovery": {
+          "additionalProperties": {},
+          "description": "Actionable next step for the caller.",
+          "properties": {
+            "hint": {
+              "type": "string"
+            }
+          },
+          "required": [
+            "hint"
+          ],
+          "type": "object"
+        },
+        "retryable": {
+          "description": "Whether retrying may succeed.",
+          "type": "boolean"
+        }
+      },
+      "type": "object"
+    },
+    "message": {
+      "description": "Human-readable description of what went wrong.",
+      "type": "string"
+    }
+  },
+  "required": [
+    "code",
+    "message"
+  ],
+  "type": "object"
+}

Removed value: -[
-  "topics"
-]

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

Added value: +false

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

Added value: +[
+  {
+    "not": {
+      "required": [
+        "error"
+      ]
+    },
+    "required": [
+      "indicators",
+      "appliedFilters",
+      "totalCount",
+      "currentPage",
+      "totalPages"
+    ]
+  },
+  {
+    "required": [
+      "error"
+    ]
+  }
+]

Added value: +{
+  "additionalProperties": {},
+  "description": "Present when the call failed. Absent on success.",
+  "properties": {
+    "code": {
+      "description": "JSON-RPC error code for this failure.",
+      "maximum": 9007199254740991,
+      "minimum": -9007199254740991,
+      "type": "integer"
+    },
+    "data": {
+      "additionalProperties": {},
+      "properties": {
+        "reason": {
+          "description": "Machine-readable failure mode. Declared by this tool: `missing_filter`: None of query, topic_id, or source_id were provided. `invalid_filter`: The topic_id or source_id does not exist upstream. Other values are possible when a failure originates below the handler.",
+          "examples": [
+            "missing_filter",
+            "invalid_filter"
+          ],
+          "type": "string"
+        },
+        "recovery": {
+          "additionalProperties": {},
+          "description": "Actionable next step for the caller.",
+          "properties": {
+            "hint": {
+              "type": "string"
+            }
+          },
+          "required": [
+            "hint"
+          ],
+          "type": "object"
+        },
+        "retryable": {
+          "description": "Whether retrying may succeed.",
+          "type": "boolean"
+        }
+      },
+      "type": "object"
+    },
+    "message": {
+      "description": "Human-readable description of what went wrong.",
+      "type": "string"
+    }
+  },
+  "required": [
+    "code",
+    "message"
+  ],
+  "type": "object"
+}

Removed value: -[
-  "indicators",
-  "appliedFilters",
-  "totalCount",
-  "currentPage",
-  "totalPages"
-]

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

Added value: +false

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

Added value: +[
+  {
+    "not": {
+      "required": [
+        "error"
+      ]
+    },
+    "required": [
+      "projects",
+      "appliedFilters",
+      "totalCount",
+      "currentPage",
+      "totalPages"
+    ]
+  },
+  {
+    "required": [
+      "error"
+    ]
+  }
+]

Added value: +{
+  "additionalProperties": {},
+  "description": "Present when the call failed. Absent on success.",
+  "properties": {
+    "code": {
+      "description": "JSON-RPC error code for this failure.",
+      "maximum": 9007199254740991,
+      "minimum": -9007199254740991,
+      "type": "integer"
+    },
+    "data": {
+      "additionalProperties": {},
+      "properties": {
+        "reason": {
+          "description": "Machine-readable failure mode. Declared by this tool: `page_out_of_range`: The requested page starts past the 100,000-result offset the Projects API serves. `upstream_unavailable`: The Projects API answered with a non-success status or an HTML error page. Other values are possible when a failure originates below the handler.",
+          "examples": [
+            "page_out_of_range",
+            "upstream_unavailable"
+          ],
+          "type": "string"
+        },
+        "recovery": {
+          "additionalProperties": {},
+          "description": "Actionable next step for the caller.",
+          "properties": {
+            "hint": {
+              "type": "string"
+            }
+          },
+          "required": [
+            "hint"
+          ],
+          "type": "object"
+        },
+        "retryable": {
+          "description": "Whether retrying may succeed.",
+          "type": "boolean"
+        }
+      },
+      "type": "object"
+    },
+    "message": {
+      "description": "Human-readable description of what went wrong.",
+      "type": "string"
+    }
+  },
+  "required": [
+    "code",
+    "message"
+  ],
+  "type": "object"
+}

Removed value: -[
-  "projects",
-  "appliedFilters",
-  "totalCount",
-  "currentPage",
-  "totalPages"
-]

Added value: +{
+  "additionalProperties": false,
+  "description": "The effective parameters sent to the World Bank API — confirms country code normalization and which filters were in force for these observations.",
+  "properties": {
+    "countries": {
+      "description": "Country codes as sent to the API — an array input is joined with semicolons, so this shows the normalized value.",
+      "type": "string"
+    },
+    "dateRange": {
+      "description": "Date window applied, omitted when none was requested.",
+      "type": "string"
+    },
+    "indicatorId": {
+      "description": "Indicator ID queried.",
+      "type": "string"
+    },
+    "mrv": {
+      "description": "Most-recent-values count applied, omitted when none was requested.",
+      "type": "number"
+    },
+    "page": {
+      "description": "Page number requested.",
+      "type": "number"
+    },
+    "perPage": {
+      "description": "Results per page used, including the server default.",
+      "type": "number"
+    }
+  },
+  "required": [
+    "indicatorId",
+    "countries",
+    "page",
+    "perPage"
+  ],
+  "type": "object"
+}

Previous value: -[
-  "data",
-  "indicator",
-  "nullCount",
-  "totalCount",
-  "currentPage",
-  "totalPages"
-]New value: +[
+  "data",
+  "indicator",
+  "nullCount",
+  "appliedFilters",
+  "totalCount",
+  "currentPage",
+  "totalPages"
+]

Added value: +{
+  "additionalProperties": false,
+  "description": "The effective search parameters, field by field — confirms which filter combination produced these results without parsing the effectiveQuery string.",
+  "properties": {
+    "query": {
+      "description": "Trimmed keyword query sent to the search, omitted when none was given.",
+      "type": "string"
+    },
+    "sourceId": {
+      "description": "Source ID the results were scoped to, omitted when none was given.",
+      "type": "string"
+    },
+    "topicId": {
+      "description": "Topic ID the results were scoped to, omitted when none was given.",
+      "type": "string"
+    }
+  },
+  "type": "object"
+}

Previous value: -[
-  "indicators",
-  "totalCount",
-  "currentPage",
-  "totalPages"
-]New value: +[
+  "indicators",
+  "appliedFilters",
+  "totalCount",
+  "currentPage",
+  "totalPages"
+]

Previous value: -[
-  {
-    "description": "A single country code or \"all\".",
-    "type": "string"
-  },
-  {
-    "description": "An array of country codes.",
-    "items": {
-      "description": "A country code.",
-      "type": "string"
-    },
-    "type": "array"
-  }
-]New value: +[
+  {
+    "description": "A single country code or \"all\".",
+    "pattern": "[^\\s;]",
+    "type": "string"
+  },
+  {
+    "description": "An array of country codes.",
+    "items": {
+      "description": "A country code.",
+      "type": "string"
+    },
+    "minItems": 1,
+    "type": "array"
+  }
+]

Previous value: -"Country codes. Accepts: ISO2 (US, CN), ISO3 (USA, CHN), regional aggregate codes (EAS, LCN, MEA, SAS, SSF, ECS, NAC), income group codes (HIC, UMC, LMC, LIC), world code (WLD), or \"all\" for all 266 entries (use pagination). Pass a single string or an array of codes for multi-country queries."New value: +"Country codes. Accepts: ISO2 (US, CN), ISO3 (USA, CHN), regional aggregate codes (EAS, LCN, MEA, SAS, SSF, ECS, NAC), income group codes (HIC, UMC, LMC, LIC), world code (WLD), or \"all\" for every entry (use pagination). Pass a single string or an array of codes for multi-country queries. At least one code is required — an empty value is rejected rather than treated as \"all\"."

Previous value: -"Year or year range in YYYY or YYYY:YYYY format (e.g. \"2020\" or \"2010:2023\"). Mutually exclusive with mrv."New value: +"Time window to filter observations to. Accepts a whole year (`2020`), a quarter (`2020Q1`), or a month (`2020M03`), or a range of two periods of the same type separated by a colon, earliest first (`2010:2023`, `2020Q1:2021Q4`, `2020M01:2020M06`). A window and an observation match whenever the periods overlap, so a year window also selects the quarters and months inside it. A window covering no part of the series returns zero observations rather than the full series. Mutually exclusive with mrv."

Added value: +"^\\s*(?:\\d{4}(?::\\d{4})?|\\d{4}[Qq][1-4](?::\\d{4}[Qq][1-4])?|\\d{4}[Mm](?:0[1-9]|1[0-2])(?::\\d{4}[Mm](?:0[1-9]|1[0-2]))?)?\\s*$"

Previous value: -"Return the N most recent available values (1–10). Mutually exclusive with date_range."New value: +"Return the N most recent available values per country (1–100), clamped upstream to the length of the series. Rows are mrv × countries, so page through them with per_page. Mutually exclusive with date_range."

Previous value: -10New value: +100

Previous value: -"Keyword search terms. At least one of query, topic_id, or source_id must be provided."New value: +"Keyword search terms — an indicator name, ID, or any words from either (e.g. \"GDP per capita\", \"NY.GDP.MKTP.CD\", \"CO2 emissions\"). Every term must match; punctuation is ignored. At least one of query, topic_id, or source_id must be provided."