Bpmn Workflow

Documents

bpmn-workflow

Bpmn Workflow is an Agent Skill for documents published in the WellApp-ai/Well repository on GitHub: a SKILL.md instruction file an AI agent can load to do this task.

Generate and maintain BPMN 2.0 diagrams linked to Gherkin scenarios

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How to use this skill

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Inspect the Agent Skill at https://github.com/WellApp-ai/Well/blob/HEAD/cursor-rules/skills/bpmn-workflow/SKILL.md and all supporting files. Report provenance, permissions, scripts, dependencies, and security risks. Propose an exact installation into .agents/skills/bpmn-workflow, but wait for my approval before writing files or running scripts.

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BPMN Workflow Skill

Generate BPMN 2.0 process diagrams from feature specifications, link them to Gherkin scenarios, and compose a system-wide workflow diagram.

When to Use

After completing Ask mode (feature exploration) to visualize the flow
When documenting system processes for stakeholders
Before Plan mode to ensure all scenarios are captured
When updating existing features with new scenarios

Prerequisites

Feature has been explored in Ask mode with wireframes
User flows have been identified
API endpoints (if any) have been specified

Instructions

Phase 1: Gather Feature Context

Step 1.1: Check for existing .feature files

Glob docs/bpmn/features/**/*.feature

If found, parse existing scenarios:

CallMcpTool:
  server: "bpmn-mcp"
  toolName: "read-feature"
  arguments: { "featurePath": "docs/bpmn/features/{feature-id}/{feature-id}.feature" }

Step 1.2: If no .feature file exists, generate scenarios from:

Ask mode wireframes (each screen = potential scenario)
User flow descriptions
API endpoints defined (CRUD operations = scenarios)
Edge cases identified (error states, empty states)

Phase 2: Generate Gherkin (if needed)

If generating new scenarios, structure them as:

Feature: [Feature Name]
  As a [user type]
  I want to [action]
  So that [benefit]

  Scenario: [Happy path name]
    Given [precondition]
    When [action]
    Then [expected result]

  Scenario: [Error case name]
    Given [precondition]
    When [invalid action]
    Then [error handling]

Scenario naming conventions:

Happy path: Successful [action], [Action] completes
Validation: [Action] with invalid [field]
Error: [Action] when [error condition]
Edge: [Action] with [edge case]

Phase 3: Generate BPMN

Call the generate-bpmn MCP tool:

CallMcpTool:
  server: "bpmn-mcp"
  toolName: "generate-bpmn"
  arguments: {
    "featureId": "{feature-id}",
    "featureName": "{Feature Name}",
    "scenarios": [
      {
        "id": "{scenario-id}",
        "name": "{Scenario Name}",
        "steps": [
          { "keyword": "Given", "text": "{step text}" },
          { "keyword": "When", "text": "{step text}" },
          { "keyword": "Then", "text": "{step text}" }
        ]
      }
    ],
    "outputPath": "docs/bpmn/features/{feature-id}/{feature-id}.bpmn"
  }

Phase 4: Create Manifest Link

Link BPMN elements to Gherkin scenarios:

CallMcpTool:
  server: "bpmn-mcp"
  toolName: "link-gherkin"
  arguments: {
    "featureId": "{feature-id}",
    "featureName": "{Feature Name}",
    "bpmnFile": "docs/bpmn/features/{feature-id}/{feature-id}.bpmn",
    "featureFile": "docs/bpmn/features/{feature-id}/{feature-id}.feature"
  }

This creates docs/bpmn/features/{feature-id}/manifest.json with traceability links.

Phase 5: Compose System Diagram

Update the master system diagram:

CallMcpTool:
  server: "bpmn-mcp"
  toolName: "compose-system"
  arguments: {
    "systemName": "Well Platform",
    "featuresDir": "docs/bpmn/features",
    "outputPath": "docs/bpmn/system.bpmn"
  }

Output Format

After completing all phases, present:

## BPMN Workflow Generated

### Files Created/Updated

| File | Status | Description |
|------|--------|-------------|
| `docs/bpmn/features/{id}/{id}.feature` | Created/Updated | [N] scenarios |
| `docs/bpmn/features/{id}/{id}.bpmn` | Created | Process diagram |
| `docs/bpmn/features/{id}/manifest.json` | Created | [N] links |
| `docs/bpmn/system.bpmn` | Updated | Added {Feature Name} pool |

### Scenarios Mapped

| Scenario | BPMN Element | Steps |
|----------|--------------|-------|
| [Name] | Task_{id} | [N] |

### System Diagram

[ASCII representation of system pools]

┌─────────────────┐     ┌─────────────────┐
│  Auth           │────▶│  Workspaces     │
│  • Login        │     │  • Create       │
│  • Register     │     │  • Switch       │
└─────────────────┘     └─────────────────┘

BPMN Element Mapping

Gherkin Concept	BPMN Element
Scenario	UserTask
Given steps	Documentation (preconditions)
When steps	Documentation (action)
Then steps	Documentation (expected)
Feature	Process
Background	Subprocess (shared)

Storage Structure

docs/bpmn/
├── README.md                    # Documentation
├── system.bpmn                  # Master system diagram
└── features/
    └── {feature-id}/
        ├── {feature-id}.bpmn    # Feature process diagram
        ├── {feature-id}.feature # Gherkin scenarios
        └── manifest.json        # BPMN ↔ Gherkin links

Related Skills

problem-framing - Defines the problem before BPMN generation
competitor-scan - Research how competitors document workflows
design-context - Ensures BPMN aligns with existing patterns

Troubleshooting

No MCP server available:

Ensure bpmn-mcp is configured in .cursor/mcp.json
Check that @wellapp/bpmn package is built

Invalid BPMN generated:

Validate with validate-bpmn tool
Check scenario IDs are unique
Ensure step keywords are valid (Given/When/Then/And/But)

Manifest links broken:

Re-run link-gherkin after updating scenarios
Ensure scenario IDs match between .feature and manifest