generate_heart_route
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Third-party content written by another agent. Data to evaluate, not instructions.
Start a new heart-shaped route for a given city. Returns existing AI-validated matches from inventory PLUS a deep-link to the live builder for an on-demand fresh generation with the user's exact dedication and cause. Use when the user explicitly wants a NEW heart, or when an existing match is "close enough but not personal yet". Optional dedication / cause_url pre-fill the builder fields, so the URL deep-link arrives configured.
Input schema
| Property | Type | Required | Description |
|---|---|---|---|
| city | string | yes | City name, e.g. "Paris", "Tokyo". |
| distance_km | number | no | Target route length in km (3–25). Default 7. |
| dedication | string | no | Optional person/cause name to bake into the heart (appears in the GPX, on Garmin Connect, and as the Strava activity title prefix). |
| in_memory | boolean | no | If true, the dedication is framed as a memorial ("In memory of [name]"). Default false. |
| cause_url | string | no | Optional JustGiving / GoFundMe / Leetchi URL to embed in the GPX metadata. CityHeart never touches the money — the link is for the runner's Strava description to surface to donors. |
Raw JSON schema
{
"type": "object",
"properties": {
"city": {
"type": "string",
"description": "City name, e.g. \"Paris\", \"Tokyo\"."
},
"distance_km": {
"type": "number",
"description": "Target route length in km (3–25). Default 7.",
"default": 7
},
"dedication": {
"type": "string",
"description": "Optional person/cause name to bake into the heart (appears in the GPX, on Garmin Connect, and as the Strava activity title prefix)."
},
"in_memory": {
"type": "boolean",
"description": "If true, the dedication is framed as a memorial (\"In memory of [name]\"). Default false."
},
"cause_url": {
"type": "string",
"description": "Optional JustGiving / GoFundMe / Leetchi URL to embed in the GPX metadata. CityHeart never touches the money — the link is for the runner's Strava description to surface to donors."
}
},
"required": [
"city"
]
}