Task Types

The workflow engine ships with 83 built-in executors. Browse them all via GET /api/v1/plugins.

Core

The essential building blocks.

HTTP Request

- name: fetch-data
  type: http.request
  properties:
    url: https://api.example.com/users
    method: GET
    headers:
      Authorization: "Bearer ${API_TOKEN}"
    timeout: 30

Outputs: status_code, body, headers

Shell Script

Runs in a Docker container (local) or K8s Job (production).

- name: process
  type: script.shell
  properties:
    image: alpine:3.19
    script: |
      echo "Processing data..."
      echo '::{"outputs":{"result":"done","count":42}}::'

Emit outputs via the marker format: ::{"outputs":{...}}:: on stdout.

Python Script

- name: analyze
  type: script.python
  properties:
    image: python:3.11-alpine
    script: |
      import json
      data = {"score": 95, "grade": "A"}
      print(f'::{json.dumps({"outputs": data})}::')

Set Values

- name: config
  type: transform.set
  properties:
    values:
      api_url: https://api.example.com
      max_retries: 3

Log

- name: debug
  type: util.log
  properties:
    message: 'Status: {{ outputs["fetch"]["status_code"] }}'

Conditional (If / Switch)

- name: check-status
  type: flow.if
  depends_on: [fetch]
  properties:
    condition: '{{ outputs["fetch"]["status_code"] == 200 }}'
    then: success-path
    else: error-path

- name: route
  type: flow.switch
  properties:
    value: '{{ outputs["classify"]["category"] }}'
    cases:
      urgent: handle-urgent
      normal: handle-normal
    default: handle-other

ForEach

- name: process-items
  type: flow.forEach
  properties:
    items: '{{ outputs["fetch"]["body"]["users"] }}'
    task:
      type: http.request
      properties:
        url: 'https://api.example.com/process/{{ item.id }}'
        method: POST

---

Transforms (13)

Data manipulation without external services.

- name: encode
  type: transform.base64
  properties:
    operation: encode
    data: '{{ outputs["fetch"]["body"] }}'

- name: hash-it
  type: transform.hash
  depends_on: [encode]
  properties:
    algorithm: sha256
    data: '{{ outputs["encode"]["result"] }}'

---

Databases (5)

- name: query-users
  type: db.postgres
  properties:
    connection_string: "${DATABASE_URL}"
    query: "SELECT * FROM users WHERE active = true LIMIT 10"

---

Protocol (10)

- name: notify-team
  type: saas.slack
  properties:
    webhook_url: "${SLACK_WEBHOOK_URL}"
    message: "Deployment complete!"

---

SaaS Integrations (17)

- name: create-issue
  type: saas.github
  properties:
    token: "${GITHUB_TOKEN}"
    owner: excalibase
    repo: workflow
    endpoint: /repos/{owner}/{repo}/issues
    method: POST
    body:
      title: "Automated issue from workflow"
      body: '{{ outputs["analyze"]["summary"] }}'

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Flow Control (9)

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Utility (9)

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AI (6)

See the AI Capabilities page for detailed examples.