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Get weather forecast

well_get_weather_forecast
Read-only

Read the complete forecast from today onward for up to 10 days. Use this for the coming days; use well_get_weather for today's current conditions and raw weather facts. The forecast includes each complete day's local date, minimum and maximum temperature, condition, top precipitation probability, and top wind speed. Precipitation probability and wind speed are null when the forecast does not provide them.

available is false, and forecast is null, when no city is given and the workspace has no own company location with a city (reason: "no_location"), or when the forecast could not be read (reason: "unavailable").

When the token authorizes one workspace, call this directly — no workspace call is needed first. When it authorizes several, this read will not guess which one you mean: pass workspace_id on the call.

Input Schema

NameRequiredDescriptionDefault
cityNoA city to forecast instead of the workspace location.
daysNoThe number of complete forecast days, from today onward. Defaults to 7.
languageNoThe language of the condition descriptions. Defaults to English.
workspace_idNoTarget workspace. Omit when the token authorizes one workspace. Required when it authorizes several: this read reports one workspace's own figures and will not choose which.
conversation_idNoThe conversation id returned by the previous Well result, in its meta under well/conversation_id, in its structuredContent, or in its JSON text block. Pass it back on every call in the same conversation, including a call a card makes, so the chosen workspace and the earlier answers still apply. It decides the conversation on its own: nothing the host states about the session replaces it. Omit it only on the first call of a conversation.
workspace_scopeNoRestrict this call to the family: the token's primary workspace plus the company workspaces under it that you are a member of. Unrelated authorized workspaces drop out of the read; row reads merge across the family, while a per-workspace figure still reports exactly one workspace.

Output Schema

NameRequiredDescriptionDefault
reasonYes
forecastYes
availableYes
time_zoneYes
conversation_idNoThe conversation this result belongs to. Pass it back as the conversation_id argument on every later Well call in the same conversation.
location_sourceYes
newly_connectedNoTools that connected to this workspace since the last result and that no session was told about yet, oldest first. Present only when at least one tool is new. The connected-line rule says when to tell an entry; when it does, one line per entry, in the person's language: "<name> is connected.". Never fold several entries into one sentence. Each entry comes back once, on one result only: never repeat its line later.
resolved_workspaceNo
conversation_id_noteNoPresent only when the server opened a fresh lane, stating that no choice recorded earlier was read.
conversation_id_sourceNoWhere the conversation id came from: the host's own request meta, the caller's argument, or a fresh lane the server opened.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed4 schema fields changed
    • changedOutput schema / properties / forecast / anyOf
      Previous value: -[
      -  {
      -    "additionalProperties": false,
      -    "properties": {
      -      "city": {
      -        "type": "string"
      -      },
      -      "days": {
      -        "items": {
      -          "additionalProperties": false,
      -          "properties": {
      -            "condition": {
      -              "type": "string"
      -            },
      -            "date": {
      -              "type": "string"
      -            },
      -            "max_celsius": {
      -              "type": "number"
      -            },
      -            "max_precipitation_probability_percent": {
      -              "anyOf": [
      -                {
      -                  "type": "number"
      -                },
      -                {
      -                  "type": "null"
      -                }
      -              ]
      -            },
      -            "max_wind_speed_kmh": {
      -              "anyOf": [
      -                {
      -                  "type": "number"
      -                },
      -                {
      -                  "type": "null"
      -                }
      -              ]
      -            },
      -            "min_celsius": {
      -              "type": "number"
      -            }
      -          },
      -          "required": [
      -            "date",
      -            "min_celsius",
      -            "max_celsius",
      -            "condition",
      -            "max_precipitation_probability_percent",
      -            "max_wind_speed_kmh"
      -          ],
      -          "type": "object"
      -        },
      -        "type": "array"
      -      }
      -    },
      -    "required": [
      -      "city",
      -      "days"
      -    ],
      -    "type": "object"
      -  },
      -  {
      -    "type": "null"
      -  }
      -]New value: +[
      +  {
      +    "additionalProperties": false,
      +    "properties": {
      +      "city": {
      +        "type": "string"
      +      },
      +      "days": {
      +        "items": {
      +          "additionalProperties": false,
      +          "properties": {
      +            "condition": {
      +              "type": "string"
      +            },
      +            "date": {
      +              "type": "string"
      +            },
      +            "max_celsius": {
      +              "type": "number"
      +            },
      +            "max_precipitation_probability_percent": {
      +              "type": [
      +                "number",
      +                "null"
      +              ]
      +            },
      +            "max_wind_speed_kmh": {
      +              "type": [
      +                "number",
      +                "null"
      +              ]
      +            },
      +            "min_celsius": {
      +              "type": "number"
      +            }
      +          },
      +          "required": [
      +            "date",
      +            "min_celsius",
      +            "max_celsius",
      +            "condition",
      +            "max_precipitation_probability_percent",
      +            "max_wind_speed_kmh"
      +          ],
      +          "type": "object"
      +        },
      +        "type": "array"
      +      }
      +    },
      +    "required": [
      +      "city",
      +      "days"
      +    ],
      +    "type": "object"
      +  },
      +  {
      +    "type": "null"
      +  }
      +]
    • changedOutput schema / properties / resolved_workspace / anyOf
      Previous value: -[
      -  {
      -    "additionalProperties": false,
      -    "description": "The workspace that answered, when the caller named none and the token authorizes several.",
      -    "properties": {
      -      "name": {
      -        "anyOf": [
      -          {
      -            "type": "string"
      -          },
      -          {
      -            "type": "null"
      -          }
      -        ]
      -      },
      -      "workspace_id": {
      -        "type": "string"
      -      }
      -    },
      -    "required": [
      -      "workspace_id",
      -      "name"
      -    ],
      -    "type": "object"
      -  },
      -  {
      -    "type": "null"
      -  }
      -]New value: +[
      +  {
      +    "additionalProperties": false,
      +    "description": "The workspace that answered, when the caller named none and the token authorizes several.",
      +    "properties": {
      +      "name": {
      +        "type": [
      +          "string",
      +          "null"
      +        ]
      +      },
      +      "workspace_id": {
      +        "type": "string"
      +      }
      +    },
      +    "required": [
      +      "workspace_id",
      +      "name"
      +    ],
      +    "type": "object"
      +  },
      +  {
      +    "type": "null"
      +  }
      +]
    • removedOutput schema / properties / time_zone / anyOf
      Removed value: -[
      -  {
      -    "type": "string"
      -  },
      -  {
      -    "type": "null"
      -  }
      -]
    • addedOutput schema / properties / time_zone / type
      Added value: +[
      +  "string",
      +  "null"
      +]
  2. Added

TDQS

A5/5.0
Behavior5/5

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

Beyond the read-only annotations, it discloses returned forecast fields, null handling for precipitation probability and wind speed, and the two failure modes that produce `available: false` with `forecast: null`. It also explains multi-workspace behavior and the role of `conversation_id`.

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

Conciseness5/5

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

The description is front-loaded with the purpose and the sibling alternative, then proceeds to output behavior and workspace/conversation handling. Despite covering several important edge cases, every paragraph contributes to correct invocation.

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

Completeness5/5

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

It is complete for a six-parameter read tool with annotations and an output schema. It covers selection guidance, fallback behavior, failure reasons, and workspace/conversation mechanics without needing to restate schema-only details.

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

Parameters5/5

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

Although schema coverage is already 100%, the description adds meaningful semantics for `city` versus the workspace location, complete forecast days from today, condition language, workspace authorization behavior, conversation propagation, and family-scope merging.

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

Purpose5/5

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

The description gives a specific verb and resource: it reads a complete weather forecast from today onward, for up to 10 days. It explicitly distinguishes this from the sibling `well_get_weather`, which covers today's current conditions and raw weather facts.

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

Usage Guidelines5/5

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

It states when to use this tool for coming days and names the alternative for current conditions. It also gives explicit workspace-selection guidance: call directly for one authorized workspace, but pass `workspace_id` when several are authorized.

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

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