Added value: +"^[A-Za-z0-9_-]{10}$"

Previous value: -"Machine-readable failure mode. Declared by this tool: `invalid_variable`: An unknown variable name was requested `variable_wrong_cadence`: A variable Open-Meteo documents under one cadence was passed in the other cadence field — for example cloud_cover in daily_variables, or temperature_2m_max in hourly_variables `no_variables_requested`: None of current_variables, hourly_variables, or daily_variables was provided `invalid_timezone`: timezone was blank, or upstream did not recognize the requested time zone `request_too_large`: Open-Meteo refused the request as asking for too much data in one call Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `invalid_variable`: An unknown variable name was requested. `variable_wrong_cadence`: A variable Open-Meteo documents under one cadence was passed in the other cadence field — for example cloud_cover in daily_variables, or temperature_2m_max in hourly_variables. `no_variables_requested`: None of current_variables, hourly_variables, or daily_variables was provided. `invalid_timezone`: timezone was blank, or upstream did not recognize the requested time zone. `request_too_large`: Open-Meteo refused the request as asking for too much data in one call. Other values are possible when a failure originates below the handler."

Added value: +{
+  "description": "Variables to return for the current instant (e.g., [\"temperature_2m\", \"precipitation\", \"wind_speed_10m\", \"weather_code\"]). Uses Open-Meteo's 15-minute current-conditions data, so it answers \"what is it doing right now?\" without requesting an hourly series and picking a row. Takes the hourly variable names; a daily-only name such as temperature_2m_max comes back null with the unit \"undefined\" and is reported in the notice. Satisfies the variable requirement on its own.",
+  "items": {
+    "type": "string"
+  },
+  "maxItems": 50,
+  "type": "array"
+}

Previous value: -"Daily summary variables (e.g., [\"temperature_2m_max\", \"temperature_2m_min\", \"precipitation_sum\", \"wind_speed_10m_max\", \"sunrise\", \"sunset\", \"uv_index_max\"]). Daily names only — an hourly name such as cloud_cover or temperature_2m belongs in hourly_variables and is rejected here; for a daily summary of an hourly variable use its published aggregate (cloud_cover_max, cloud_cover_mean, cloud_cover_min). At least one of hourly_variables or daily_variables is required."New value: +"Daily summary variables (e.g., [\"temperature_2m_max\", \"temperature_2m_min\", \"precipitation_sum\", \"wind_speed_10m_max\", \"sunrise\", \"sunset\", \"uv_index_max\"]). Daily names only — an hourly name such as cloud_cover or temperature_2m belongs in hourly_variables and is rejected here; for a daily summary of an hourly variable use its published aggregate (cloud_cover_max, cloud_cover_mean, cloud_cover_min). At least one of current_variables, hourly_variables, or daily_variables is required."

Previous value: -"Hourly variables to fetch (e.g., [\"temperature_2m\", \"precipitation\", \"wind_speed_10m\", \"relative_humidity_2m\", \"cloud_cover\", \"uv_index\", \"apparent_temperature\"]). Hourly names only — a daily aggregate such as temperature_2m_max or precipitation_sum belongs in daily_variables and is rejected here. At least one of hourly_variables or daily_variables is required."New value: +"Hourly variables to fetch (e.g., [\"temperature_2m\", \"precipitation\", \"wind_speed_10m\", \"relative_humidity_2m\", \"cloud_cover\", \"uv_index\", \"apparent_temperature\"]). Hourly names only — a daily aggregate such as temperature_2m_max or precipitation_sum belongs in daily_variables and is rejected here. At least one of current_variables, hourly_variables, or daily_variables is required."

Previous value: -"Include this many days of past data before today (0–92). Use for recent history — ERA5 archive has a variable ~5-day lag. Default 0."New value: +"Include this many days of past data before today (0–92). Use for recent history — the archive’s ERA5 components lag by up to ~5 days. Default 0."

Added value: +{
+  "additionalProperties": {
+    "type": [
+      "string",
+      "number",
+      "null"
+    ]
+  },
+  "description": "Conditions at a single instant: one key per requested current variable alongside time and interval. Units are in the current_units map. Absent when current_variables was not requested.",
+  "properties": {
+    "interval": {
+      "description": "Update cadence of the current-conditions data, in seconds (900 = 15 minutes) — metadata, not a requested variable",
+      "type": "number"
+    },
+    "time": {
+      "description": "Timestamp of these values (ISO 8601, in the resolved timezone)",
+      "type": "string"
+    }
+  },
+  "required": [
+    "time",
+    "interval"
+  ],
+  "type": "object"
+}

Added value: +{
+  "additionalProperties": {
+    "type": "string"
+  },
+  "description": "Map of key → unit string for the current block, covering time and interval as well as each requested variable (e.g., {\"interval\": \"seconds\", \"temperature_2m\": \"°C\"}). Absent when no current_variables were requested.",
+  "propertyNames": {
+    "type": "string"
+  },
+  "type": "object"
+}

Previous value: -"Machine-readable failure mode. Declared by this tool: `invalid_variable`: An unknown variable name was requested `variable_wrong_cadence`: A variable Open-Meteo documents under one cadence was passed in the other cadence field — for example cloud_cover in daily_variables, or temperature_2m_max in hourly_variables `no_variables_requested`: Neither hourly_variables nor daily_variables was provided `invalid_timezone`: timezone was blank, or upstream did not recognize the requested time zone `request_too_large`: Open-Meteo refused the request as asking for too much data in one call Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `invalid_variable`: An unknown variable name was requested `variable_wrong_cadence`: A variable Open-Meteo documents under one cadence was passed in the other cadence field — for example cloud_cover in daily_variables, or temperature_2m_max in hourly_variables `no_variables_requested`: None of current_variables, hourly_variables, or daily_variables was provided `invalid_timezone`: timezone was blank, or upstream did not recognize the requested time zone `request_too_large`: Open-Meteo refused the request as asking for too much data in one call Other values are possible when a failure originates below the handler."

Previous value: -"Machine-readable failure mode. Declared by this tool: `invalid_variable`: An unknown variable name was requested `variable_wrong_cadence`: A variable Open-Meteo documents under one cadence was passed in the other cadence field — for example cloud_cover in daily_variables, or temperature_2m_max in hourly_variables `no_variables_requested`: Neither hourly_variables nor daily_variables was provided `invalid_timezone`: timezone was blank, or upstream did not recognize the requested time zone Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `invalid_variable`: An unknown variable name was requested `variable_wrong_cadence`: A variable Open-Meteo documents under one cadence was passed in the other cadence field — for example cloud_cover in daily_variables, or temperature_2m_max in hourly_variables `no_variables_requested`: Neither hourly_variables nor daily_variables was provided `invalid_timezone`: timezone was blank, or upstream did not recognize the requested time zone `request_too_large`: Open-Meteo refused the request as asking for too much data in one call Other values are possible when a failure originates below the handler."

Previous value: -[
-  "invalid_variable",
-  "variable_wrong_cadence",
-  "no_variables_requested",
-  "invalid_timezone"
-]New value: +[
+  "invalid_variable",
+  "variable_wrong_cadence",
+  "no_variables_requested",
+  "invalid_timezone",
+  "request_too_large"
+]

Previous value: -"Everything this response needs to say beyond the data, composed into one advisory: columns the endpoint returned with the unit \"undefined\" (a name it parsed but does not serve in the requested cadence); recognized variables whose requested window falls outside the data's coverage, with the timestamps that do carry values; and, when the result spilled, the canvas and table holding the full row set plus the two dataframe tools that read it."New value: +"Everything this response needs to say beyond the data, composed into one advisory: columns the endpoint returned with the unit \"undefined\" (a name it parsed but does not serve in the requested cadence); recognized variables whose requested window falls outside the data's coverage, with the timestamps that do carry values; and, when the result spilled, either the canvas and table holding the full row set plus the two dataframe tools that read it, or — with DataCanvas disabled — why there is no canvas_id and how to reach the rows the preview omits."

Previous value: -"DataCanvas token for wide past_days or multi-variable queries. When a result is too large to return inline — driven by total payload size, so a wide multi-variable pull can spill at any row count — it spills to this canvas for SQL querying. Omit to create a fresh canvas."New value: +"DataCanvas token for wide past_days or multi-variable queries. When a result is too large to return inline — driven by total payload size, so a wide multi-variable pull can spill at any row count — it spills to this canvas: pass the returned token to openmeteo_dataframe_describe to list the staged table and its columns, then to openmeteo_dataframe_query to run SQL against it. Omit to create a fresh canvas."

Previous value: -"DataCanvas token for the staged full dataset. Present only when truncated is true AND DataCanvas is enabled (CANVAS_PROVIDER_TYPE=duckdb) — absent otherwise, in which case the preview is all this response carries. Query with SQL using this token."New value: +"DataCanvas token for the staged full dataset. Present only when truncated is true AND DataCanvas is enabled (CANVAS_PROVIDER_TYPE=duckdb) — absent otherwise, in which case the preview is all this response carries. Pass to openmeteo_dataframe_describe to list the staged table and its columns, then to openmeteo_dataframe_query to run SQL against it."

Previous value: -"Warning that a requested variable came back with no data — names each column whose unit is \"undefined\", which is how the endpoint reports a name it parsed but does not serve in the requested cadence."New value: +"Everything this response needs to say beyond the data, composed into one advisory: columns the endpoint returned with the unit \"undefined\" (a name it parsed but does not serve in the requested cadence); recognized variables whose requested window falls outside the data's coverage, with the timestamps that do carry values; and, when the result spilled, the canvas and table holding the full row set plus the two dataframe tools that read it."

Previous value: -"DuckDB table name for the staged data — pass to openmeteo_dataframe_query. Present only alongside canvas_id."New value: +"DuckDB table name for the staged data — use as the FROM target in openmeteo_dataframe_query SQL; openmeteo_dataframe_describe lists its columns. Present only alongside canvas_id."

Previous value: -"Machine-readable failure mode. Declared by this tool: `invalid_variable`: An unknown variable name was requested `variable_wrong_cadence`: A variable Open-Meteo documents under one cadence was passed in the other cadence field — for example cloud_cover in daily_variables, or temperature_2m_max in hourly_variables `no_variables_requested`: Neither hourly_variables nor daily_variables was provided Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `invalid_variable`: An unknown variable name was requested `variable_wrong_cadence`: A variable Open-Meteo documents under one cadence was passed in the other cadence field — for example cloud_cover in daily_variables, or temperature_2m_max in hourly_variables `no_variables_requested`: Neither hourly_variables nor daily_variables was provided `invalid_timezone`: timezone was blank, or upstream did not recognize the requested time zone Other values are possible when a failure originates below the handler."

Previous value: -[
-  "invalid_variable",
-  "variable_wrong_cadence",
-  "no_variables_requested"
-]New value: +[
+  "invalid_variable",
+  "variable_wrong_cadence",
+  "no_variables_requested",
+  "invalid_timezone"
+]

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": [
+      "latitude",
+      "longitude",
+      "elevation",
+      "timezone",
+      "utc_offset_seconds",
+      "record_count",
+      "truncated"
+    ]
+  },
+  {
+    "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_variable`: An unknown variable name was requested `variable_wrong_cadence`: A variable Open-Meteo documents under one cadence was passed in the other cadence field — for example cloud_cover in daily_variables, or temperature_2m_max in hourly_variables `no_variables_requested`: Neither hourly_variables nor daily_variables was provided Other values are possible when a failure originates below the handler.",
+          "examples": [
+            "invalid_variable",
+            "variable_wrong_cadence",
+            "no_variables_requested"
+          ],
+          "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: -[
-  "latitude",
-  "longitude",
-  "elevation",
-  "timezone",
-  "utc_offset_seconds",
-  "record_count",
-  "truncated"
-]

Previous value: -"Daily summary variables (e.g., [\"temperature_2m_max\", \"temperature_2m_min\", \"precipitation_sum\", \"wind_speed_10m_max\", \"sunrise\", \"sunset\", \"uv_index_max\"]). At least one of hourly_variables or daily_variables is required."New value: +"Daily summary variables (e.g., [\"temperature_2m_max\", \"temperature_2m_min\", \"precipitation_sum\", \"wind_speed_10m_max\", \"sunrise\", \"sunset\", \"uv_index_max\"]). Daily names only — an hourly name such as cloud_cover or temperature_2m belongs in hourly_variables and is rejected here; for a daily summary of an hourly variable use its published aggregate (cloud_cover_max, cloud_cover_mean, cloud_cover_min). At least one of hourly_variables or daily_variables is required."

Previous value: -"Hourly variables to fetch (e.g., [\"temperature_2m\", \"precipitation\", \"wind_speed_10m\", \"relative_humidity_2m\", \"cloud_cover\", \"uv_index\", \"apparent_temperature\"]). At least one of hourly_variables or daily_variables is required."New value: +"Hourly variables to fetch (e.g., [\"temperature_2m\", \"precipitation\", \"wind_speed_10m\", \"relative_humidity_2m\", \"cloud_cover\", \"uv_index\", \"apparent_temperature\"]). Hourly names only — a daily aggregate such as temperature_2m_max or precipitation_sum belongs in daily_variables and is rejected here. At least one of hourly_variables or daily_variables is required."

Added value: +{
+  "description": "Warning that a requested variable came back with no data — names each column whose unit is \"undefined\", which is how the endpoint reports a name it parsed but does not serve in the requested cadence.",
+  "type": "string"
+}

Added value: +{
+  "description": "DataCanvas token for wide past_days or multi-variable queries. When a result is too large to return inline — driven by total payload size, so a wide multi-variable pull can spill at any row count — it spills to this canvas for SQL querying. Omit to create a fresh canvas.",
+  "type": "string"
+}

Previous value: -"Latitude in decimal degrees (e.g., 47.6062 for Seattle). Use openmeteo_geocode to resolve a place name to coordinates."New value: +"Latitude in decimal degrees (e.g., 47.6062 for Seattle). Use openmeteo_search_locations to resolve a place name to coordinates."

Previous value: -"IANA timezone (e.g., \"America/Los_Angeles\") or \"auto\" to use the location's local timezone. Default \"auto\". The timezone from openmeteo_geocode is ideal to pass here."New value: +"IANA timezone (e.g., \"America/Los_Angeles\") or \"auto\" to use the location's local timezone. Default \"auto\". The timezone from openmeteo_search_locations is ideal to pass here."

Added value: +{
+  "description": "DataCanvas token for the staged full dataset. Present only when truncated is true AND DataCanvas is enabled (CANVAS_PROVIDER_TYPE=duckdb) — absent otherwise, in which case the preview is all this response carries. Query with SQL using this token.",
+  "type": "string"
+}

Previous value: -"Per-day records. Each object has a \"time\" field (YYYY-MM-DD) plus one key per requested variable with its value. Units are in the daily_units map. Absent when only hourly_variables were requested."New value: +"Per-day records. Each object has a \"time\" field (YYYY-MM-DD) plus one key per requested variable with its value. Units are in the daily_units map. Absent when only hourly_variables were requested. When truncated, contains only a preview — query canvas_id for the full dataset when one is present."

Previous value: -"Per-hour records. Each object has a \"time\" field (ISO 8601) plus one key per requested variable with its value. Units are in the hourly_units map. Absent when only daily_variables were requested."New value: +"Per-hour records. Each object has a \"time\" field (ISO 8601) plus one key per requested variable with its value. Units are in the hourly_units map. Absent when only daily_variables were requested. When truncated, contains only a preview — query canvas_id for the full dataset when one is present."

Added value: +{
+  "description": "Total number of records (hourly + daily rows) — the full upstream total when truncated is true, not the combined length of the hourly and daily previews.",
+  "type": "number"
+}

Added value: +{
+  "description": "DuckDB table name for the staged data — pass to openmeteo_dataframe_query. Present only alongside canvas_id.",
+  "type": "string"
+}

Added value: +{
+  "description": "True when the response was too large to return inline, so hourly and daily carry a bounded preview rather than the full set. With DataCanvas enabled the complete data is staged at canvas_id — every hourly and daily row, including any column the preview omits. With it disabled there is no canvas_id, and the omitted rows are reached only by narrowing the request.",
+  "type": "boolean"
+}

Previous value: -[
-  "latitude",
-  "longitude",
-  "elevation",
-  "timezone",
-  "utc_offset_seconds"
-]New value: +[
+  "latitude",
+  "longitude",
+  "elevation",
+  "timezone",
+  "utc_offset_seconds",
+  "record_count",
+  "truncated"
+]