CycleCalcs · Arazzo Workflow

Is the next eclipse visible from here

Version 1.0.0

Resolve an observer, then ask the eclipse endpoint for an explicit visible-from-here answer with local contact times.

1 workflow 1 source API 1 provider
View Spec View on GitHub AstronomySpaceScienceEphemerisSunMoonPlanetsEclipsesTimeCalendarGeolocationMCPAgent-nativeArazzoWorkflows

Provider

cyclecalcs

Workflows

eclipseVisibleFromHere
Place name to a per-observer eclipse verdict.
2 steps inputs: count, place, type outputs: eclipses
1
resolvePlace
getPlaces
2
nextEclipses
getEclipses
With lat/lon present the response carries local circumstances and an explicit visibility answer, not just global geometry.

Source API Descriptions

Arazzo Workflow Specification

Raw ↑
arazzo: 1.0.1
info:
  title: Is the next eclipse visible from here
  version: 1.0.0
  summary: >-
    Resolve an observer, then ask the eclipse endpoint for an explicit
    visible-from-here answer with local contact times.
sourceDescriptions:
  - name: cyclecalcs
    url: ../openapi/cyclecalcs-astronomy-openapi-original.json
    type: openapi
workflows:
  - workflowId: eclipseVisibleFromHere
    summary: Place name to a per-observer eclipse verdict.
    inputs:
      type: object
      required: [place]
      properties:
        place:
          type: string
          description: 'City or "City,CC", e.g. "Reykjavik,IS".'
        type:
          type: string
          description: solar | lunar
        count:
          type: integer
          description: How many eclipses to return.
    steps:
      - stepId: resolvePlace
        operationId: getPlaces
        parameters:
          - name: q
            in: query
            value: $inputs.place
          - name: limit
            in: query
            value: 1
        successCriteria:
          - condition: $statusCode == 200
        outputs:
          lat: $response.body#/data/results/0/latitude
          lon: $response.body#/data/results/0/longitude
          tz: $response.body#/data/results/0/timezone
      - stepId: nextEclipses
        description: >-
          With lat/lon present the response carries local circumstances and an
          explicit visibility answer, not just global geometry.
        operationId: getEclipses
        parameters:
          - name: lat
            in: query
            value: $steps.resolvePlace.outputs.lat
          - name: lon
            in: query
            value: $steps.resolvePlace.outputs.lon
          - name: tz
            in: query
            value: $steps.resolvePlace.outputs.tz
          - name: type
            in: query
            value: $inputs.type
          - name: count
            in: query
            value: $inputs.count
          - name: direction
            in: query
            value: next
        successCriteria:
          - condition: $statusCode == 200
        outputs:
          eclipses: $response.body#/data
    outputs:
      eclipses: $steps.nextEclipses.outputs.eclipses
x-generated: '2026-08-09'
x-method: generated