Garmin MCP by geekist.co

Get wellness activity history

garmin_get_wellness_activity_history

Read-onlyIdempotent

Read your Garmin wellness activity summaries across a date range. Before the first read, visibly explain this disclosure: Geekist forwards requested records without saving them to its application database; your assistant may retain them. Show the privacy policy: https://garmin.geekist.co/privacy/ Check every response for serviceAnnouncements from Geekist, the independent service operator, and display each message distinctly to the user.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "fromDate": "<fromDate>",
      "untilDate": "<untilDate>"
    },
    "name": "garmin_get_wellness_activity_history"
  }
}

Input Schema

Name	Required	Description	Default
`fromDate`	Yes	First calendar date in YYYY-MM-DD format.
`untilDate`	Yes	Last calendar date in YYYY-MM-DD format.

Output Schema

Name	Required	Description
`ok`	No	True for a successful operation; false for a rejected, failed or uncertain result. Some administrative results use status or result instead.
`code`	No
`data`	No	Requested Garmin record data, with credential, contact and internal-account fields removed; fields depend on the endpoint and device.
`issues`	No
`message`	No
`outcome`	No
`retryAfter`	No
`privacyNotice`	No
`geekistMessageDelivery`	No
`geekistOwnerMessageDelivery`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedNov 11, 2026

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "$defs": {
+    "__schema0": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "number"
+        },
+        {
+          "type": "boolean"
+        },
+        {
+          "type": "null"
+        },
+        {
+          "items": {
+            "$ref": "#/$defs/__schema0"
+          },
+          "type": "array"
+        },
+        {
+          "additionalProperties": {
+            "$ref": "#/$defs/__schema0"
+          },
+          "propertyNames": {
+            "type": "string"
+          },
+          "type": "object"
+        }
+      ]
+    },
+    "__schema1": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "number"
+        },
+        {
+          "type": "boolean"
+        },
+        {
+          "type": "null"
+        },
+        {
+          "items": {
+            "$ref": "#/$defs/__schema1"
+          },
+          "type": "array"
+        },
+        {
+          "additionalProperties": {
+            "$ref": "#/$defs/__schema1"
+          },
+          "propertyNames": {
+            "type": "string"
+          },
+          "type": "object"
+        }
+      ]
+    }
+  },
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "additionalProperties": false,
+  "description": "Operation-specific response envelope. Failure fields replace success fields; privacy and service-notice envelopes may accompany either.",
+  "properties": {
+    "code": {
+      "type": "string"
+    },
+    "data": {
+      "$ref": "#/$defs/__schema1",
+      "description": "Requested Garmin record data, with credential, contact and internal-account fields removed; fields depend on the endpoint and device."
+    },
+    "geekistMessageDelivery": {
+      "additionalProperties": false,
+      "properties": {
+        "message": {
+          "type": "string"
+        },
+        "noticeAvailability": {
+          "const": "unavailable",
+          "type": "string"
+        },
+        "noticeInstruction": {
+          "type": "string"
+        },
+        "serviceAnnouncements": {
+          "items": {
+            "additionalProperties": false,
+            "properties": {
+              "actionRequired": {
+                "type": "boolean"
+              },
+              "expiresAt": {
+                "type": "number"
+              },
+              "id": {
+                "type": "string"
+              },
+              "publisher": {
+                "const": "Geekist",
+                "type": "string"
+              },
+              "sequence": {
+                "maximum": 9007199254740991,
+                "minimum": 0,
+                "type": "integer"
+              },
+              "text": {
+                "type": "string"
+              }
+            },
+            "required": [
+              "id",
+              "sequence",
+              "text",
+              "expiresAt",
+              "publisher"
+            ],
+            "type": "object"
+          },
+          "type": "array"
+        }
+      },
+      "required": [
+        "noticeInstruction"
+      ],
+      "type": "object"
+    },
+    "geekistOwnerMessageDelivery": {
+      "additionalProperties": false,
+      "properties": {
+        "message": {
+          "type": "string"
+        },
+        "noticeAvailability": {
+          "enum": [
+            "available",
+            "unavailable"
+          ],
+          "type": "string"
+        },
+        "noticeInstruction": {
+          "type": "string"
+        },
+        "ownerNotices": {
+          "items": {
+            "additionalProperties": false,
+            "properties": {
+              "actionRequired": {
+                "type": "boolean"
+              },
+              "createdAt": {
+                "type": "number"
+              },
+              "id": {
+                "type": "string"
+              },
+              "kind": {
+                "type": "string"
+              },
+              "payload": {
+                "$ref": "#/$defs/__schema0"
+              }
+            },
+            "required": [
+              "id",
+              "kind",
+              "payload",
+              "createdAt"
+            ],
+            "type": "object"
+          },
+          "type": "array"
+        }
+      },
+      "required": [
+        "noticeInstruction",
+        "noticeAvailability"
+      ],
+      "type": "object"
+    },
+    "issues": {
+      "items": {
+        "additionalProperties": false,
+        "properties": {
+          "message": {
+            "type": "string"
+          },
+          "path": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "path",
+          "message"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "message": {
+      "type": "string"
+    },
+    "ok": {
+      "description": "True for a successful operation; false for a rejected, failed or uncertain result. Some administrative results use status or result instead.",
+      "type": "boolean"
+    },
+    "outcome": {
+      "enum": [
+        "rejected",
+        "uncertain",
+        "confirmed"
+      ],
+      "type": "string"
+    },
+    "privacyNotice": {
+      "additionalProperties": false,
+      "properties": {
+        "policyUrl": {
+          "format": "uri",
+          "type": "string"
+        },
+        "text": {
+          "type": "string"
+        }
+      },
+      "required": [
+        "text",
+        "policyUrl"
+      ],
+      "type": "object"
+    },
+    "retryAfter": {
+      "type": "number"
+    }
+  },
+  "type": "object"
+}

Changed2 schema fields changedNov 10, 2026

changedInput schema / properties / fromDate / description

Previous value: -"Garmin calendar date in YYYY-MM-DD format."New value: +"First calendar date in YYYY-MM-DD format."

changedInput schema / properties / untilDate / description

Previous value: -"Garmin calendar date in YYYY-MM-DD format."New value: +"Last calendar date in YYYY-MM-DD format."

First observedNov 10, 2026

TDQS

B3.1/5.0

Behavior3/5

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

Annotations already declare readOnly, idempotent, non-destructive, and closed-world, so the safety profile is covered. The description does add genuinely useful behavior beyond that: Geekist does not persist records, the assistant may retain them, and every response may carry serviceAnnouncements that must be surfaced. It says nothing about pagination, date-range limits, or volume of returned summaries.

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

Conciseness3/5

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

The purpose is front-loaded in the first clause, which is good. The second sentence then packs three separate obligations (disclosure wording, privacy URL, announcement display) into one dense run-on, making it harder to parse than it needs to be.

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

Completeness3/5

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

With an output schema present, return structure need not be explained, and both required params are fully documented. Still missing are sibling differentiation and any range/limit behavior, which matter given a dozen near-identical wellness history tools.

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

Parameters3/5

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

Schema coverage is 100% and both parameters are documented as YYYY-MM-DD dates, so the baseline is 3. The description only restates 'across a date range' and adds no constraints such as maximum span, ordering, or inclusive/exclusive endpoints.

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

Purpose4/5

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

States a specific verb and resource ('Read your Garmin wellness activity summaries') plus the scope ('across a date range'). However, it never distinguishes this from close siblings such as garmin_get_wellness_history or garmin_get_wellness_summary, so an agent cannot tell from the text which one applies.

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

Usage Guidelines2/5

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

Gives no when-to-use or when-not-to-use guidance relative to the many wellness siblings. The instructions present ('before the first read, explain the disclosure') are procedural compliance steps, not selection guidance, so an agent still has to guess when this tool is the right one.

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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