Garmin MCP by geekist.co

Get wellness history

garmin_get_wellness_history

Read-onlyIdempotent

Read your Garmin daily wellness 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

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "garmin_get_wellness_history"
  }
}

Input Schema

Name	Required	Description	Default
`endDate`	No	Last calendar date in YYYY-MM-DD format.
`startDate`	No	First 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 / endDate / description

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

changedInput schema / properties / startDate / description

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

First observedNov 10, 2026

TDQS

B3.2/5.0

Behavior3/5

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

The annotations already declare readOnlyHint, idempotentHint, destructiveHint=false and openWorldHint=false, so safety is covered. The description adds genuinely useful behavior beyond those annotations: Geekist forwards records without persisting them, the assistant may retain data, and responses may carry serviceAnnouncements. It still says nothing about result volume, pagination or range limits, so this is a modest addition rather than rich transparency.

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

Conciseness4/5

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

The description is front-loaded with the purpose, followed by compliance directives. Every sentence is actionable, though the long disclosure/policy sentence is dense and pushes the operational 'when to use' guidance out completely.

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?

An output schema exists, so return-value explanation is not needed, and parameter coverage is complete. But the description never explains what a 'wellness summary' contains, what happens when startDate/endDate are omitted, or how large a range is acceptable, which matters for a history tool.

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 description coverage is 100%, so both startDate and endDate are already documented in the schema. The description only says 'across a date range' and adds nothing about inclusive bounds, default range when both params are omitted, or maximum span. With 0 required parameters, that default behavior would have been valuable.

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

Purpose4/5

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

The description uses a specific verb and resource: 'Read your Garmin daily wellness summaries across a date range.' This distinguishes it from activity-oriented siblings, but it never clarifies how it differs from close alternatives like garmin_get_wellness_summary or garmin_get_daily_summaries, so an agent could still confuse the wellness summary tool with those aggregate tools.

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?

The description gives procedural instructions: disclose Geekist's policy before the first read, and display announcements from serviceAnnouncements. However, it never says when an agent should use this tool rather than a sibling summary tool, and it never covers exclusions such as the maximum range or whether the tool suits one day versus many.

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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