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feat: add flowstudio-power-automate-debug and flowstudio-power-automate-build skills (#899)
* feat: add flowstudio-power-automate-debug and flowstudio-power-automate-build skills Two companion skills for the FlowStudio Power Automate MCP server: - flowstudio-power-automate-debug: Debug workflow for failed Power Automate cloud flow runs - flowstudio-power-automate-build: Build & deploy flows from natural language descriptions Both require a FlowStudio MCP subscription: https://flowstudio.app These complement the existing flowstudio-power-automate-mcp skill (merged in PR #896). * fix: address all review comments — README, cross-refs, response shapes, step numbering - Add skills to docs/README.skills.md (fixes validate-readme CI check) - Update cross-skill references to use flowstudio- prefix (#1, #4, #7, #9) - Fix get_live_flow_run_action_outputs: returns array, index [0] (#2, #3) - Renumber Step 6→5, Step 7→6 — remove gap in build workflow (#8) - Fix connectionName note: it's the key, not the GUID (#10) - Remove invalid arrow function from Filter array expression (#11) * feat: add flowstudio-power-automate plugin bundling all 3 skills Plugin bundles: - flowstudio-power-automate-mcp (core connection & CRUD) - flowstudio-power-automate-debug (debug failed runs) - flowstudio-power-automate-build (build & deploy flows) Install: copilot plugin install flowstudio-power-automate@awesome-copilot Per @aaronpowell's suggestion in review.
This commit is contained in:
Catherine Han
GitHub
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# FlowStudio MCP — Debug Workflow
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End-to-end decision tree for diagnosing Power Automate flow failures.
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---
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## Top-Level Decision Tree
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```
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Flow is failing
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│
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├── Flow never starts / no runs appear
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│ └── ► Check flow State: get_live_flow → properties.state
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│ ├── "Stopped" → flow is disabled; enable in PA designer
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│ └── "Started" + no runs → trigger condition not met (check trigger config)
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│
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├── Flow run shows "Failed"
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│ ├── Step A: get_live_flow_run_error → read error.code + error.message
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│ │
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│ ├── error.code = "InvalidTemplate"
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│ │ └── ► Expression error (null value, wrong type, bad path)
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│ │ └── See: Expression Error Workflow below
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│ │
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│ ├── error.code = "ConnectionAuthorizationFailed"
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│ │ └── ► Connection owned by different user; fix in PA designer
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│ │
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│ ├── error.code = "ActionFailed" + message mentions HTTP
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│ │ └── ► See: HTTP Action Workflow below
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│ │
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│ └── Unknown / generic error
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│ └── ► Walk actions backwards (Step B below)
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│
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└── Flow Succeeds but output is wrong
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└── ► Inspect intermediate actions with get_live_flow_run_action_outputs
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└── See: Data Quality Workflow below
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```
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---
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## Expression Error Workflow
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```
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InvalidTemplate error
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│
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├── 1. Read error.message — identifies the action name and function
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│
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├── 2. Get flow definition: get_live_flow
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│ └── Find that action in definition["actions"][action_name]["inputs"]
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│ └── Identify what upstream value the expression reads
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│
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├── 3. get_live_flow_run_action_outputs for the action BEFORE the failing one
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│ └── Look for null / wrong type in that action's output
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│ ├── Null string field → wrap with coalesce(): @coalesce(field, '')
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│ ├── Null object → add empty check condition before the action
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│ └── Wrong field name → correct the key (case-sensitive)
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│
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└── 4. Apply fix with update_live_flow, then resubmit
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```
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---
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## HTTP Action Workflow
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```
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ActionFailed on HTTP action
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│
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├── 1. get_live_flow_run_action_outputs on the HTTP action
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│ └── Read: outputs.statusCode, outputs.body
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│
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├── statusCode = 401
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│ └── ► Auth header missing or expired OAuth token
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│ Check: action inputs.authentication block
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│
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├── statusCode = 403
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│ └── ► Insufficient permission on target resource
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│ Check: service principal / user has access
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│
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├── statusCode = 400
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│ └── ► Malformed request body
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│ Check: action inputs.body expression; parse errors often in nested JSON
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│
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├── statusCode = 404
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│ └── ► Wrong URL or resource deleted/renamed
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│ Check: action inputs.uri expression
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│
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└── statusCode = 500 / timeout
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└── ► Target system error; retry policy may help
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Add: "retryPolicy": {"type": "Fixed", "count": 3, "interval": "PT10S"}
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```
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---
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## Data Quality Workflow
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```
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Flow succeeds but output data is wrong
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│
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├── 1. Identify the first "wrong" output — which action produces it?
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│
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├── 2. get_live_flow_run_action_outputs on that action
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│ └── Compare actual output body vs expected
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│
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├── Source array has nulls / unexpected values
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│ ├── Check the trigger data — get_live_flow_run_action_outputs on trigger
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│ └── Trace forward action by action until the value corrupts
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│
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├── Merge/union has wrong values
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│ └── Check union argument order:
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│ union(NEW, old) = new wins ✓
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│ union(OLD, new) = old wins ← common bug
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│
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├── Foreach output missing items
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│ ├── Check foreach condition — filter may be too strict
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│ └── Check if parallel foreach caused race condition (add Sequential)
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│
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└── Date/time values wrong timezone
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└── Use convertTimeZone() — utcNow() is always UTC
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```
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---
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## Walk-Back Analysis (Unknown Failure)
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When the error message doesn't clearly name a root cause:
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```python
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# 1. Get all action names from definition
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defn = mcp("get_live_flow", environmentName=ENV, flowName=FLOW_ID)
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actions = list(defn["properties"]["definition"]["actions"].keys())
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# 2. Check status of each action in the failed run
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for action in actions:
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actions_out = mcp("get_live_flow_run_action_outputs",
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environmentName=ENV, flowName=FLOW_ID, runName=RUN_ID,
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actionName=action)
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# Returns an array of action objects
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item = actions_out[0] if actions_out else {}
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status = item.get("status", "unknown")
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print(f"{action}: {status}")
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# 3. Find the boundary between Succeeded and Failed/Skipped
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# The first Failed action is likely the root cause (unless skipped by design)
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```
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Actions inside Foreach / Condition branches may appear nested —
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check the parent action first to confirm the branch ran at all.
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---
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## Post-Fix Verification Checklist
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1. `update_live_flow` returns `error: null` — definition accepted
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2. `resubmit_live_flow_run` confirms new run started
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3. Wait for run completion (poll `get_live_flow_runs` every 15 s)
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4. Confirm new run `status = "Succeeded"`
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5. If flow has downstream consumers (child flows, emails, SharePoint writes),
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spot-check those too
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