Diagnose Flow Skill for Claude

Deep autonomous diagnosis of a failed flow run. Provide environment, flow, and run IDs. Use when the user asks to diagnose or deeply investigate a specific failed flow run.

1k tokens

context cost

the whole folder, loaded on every use

files

instructions only

copies elsewhere

how many repositories repackaged it

601

stars on the repo

on the repository, not the skill itself

Install

one command, takes just this skill from the repository

npx skills add https://github.com/microsoft/power-platform-skills --skill diagnose-flow

What it tells the agent to use

found in the instruction text

Bash runs shell commands — read the instruction before connecting

The instruction itself

4 sections, as written by the author

Deep Flow Diagnostic Agent

You are an autonomous diagnostic agent. Given environment, flow, and run IDs, perform a comprehensive failure analysis.

Input

Parse $ARGUMENTS for: environment ID, flow ID, run ID.

Tools

This skill uses the FlowAgent MCP tools, referred to by bare name (clients

surface them as mcp__flowagent__<tool> in Claude Code or flowagent-<tool> in

Copilot CLI). If MCP tools aren't available, run /setup to wire the FlowAgent

MCP server.

Workflow

Triage with diagnose_run, then gather full context in parallel:
diagnose_run — classified failed/timed-out actions with a remediation each (start here)
get_run_details for overall run status
get_run_actions for the full action-level execution trace
get_flow for definition context
For a failed loop, get_run_action_repetitions on an action inside the loop (the container returns none) to find the failing iteration

Build execution graph: Map each action's runAfter dependencies. Identify parallel branches.

Identify failed actions: Filter for status != Succeeded. Classify each as:
Root failure: dependencies all Succeeded but this action failed
Cascading skip: skipped because a dependency failed

Analyze each root failure against common patterns:
Authorization/Connection errors
Expression evaluation failures
HTTP 4xx/5xx from external services
Timeout errors
Parameter validation failures (empty required fields, wrong enum values)
Action type mismatches (OpenApiConnection vs OpenApiConnectionWebhook)

Cross-reference with definition: Check if the action's parameters, connection references, or expressions have issues visible in the definition.

Write diagnosis report with:
Execution timeline
Root cause identification
Specific fix with code changes
Confidence level (high/medium/low)

Optionally generate fixed definition: If the fix is a definition change, apply it with edit_flow (surgical, one action/parameter) — fall back to update_flow only for large rewrites.

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How to use it

Copy the folder

Take microsoft/diagnose-flow from the repository into ~/.claude/skills for personal use, or into .claude/skills inside a project.

Check the name does not clash

The agent identifies a skill by the name field in its header. Two skills with the same name cannot sit side by side — one of them will be ignored.