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Use when you need an auditable automation that won’t silently fail.\n\nTags: latest:1.0.0\n\nVersion history:\n\nv1.0.0 | 2026-01-17T15:38:41.187Z | user\n\nInitial release of n8n-workflow-automation skill.\n\n- Designs and outputs n8n workflow JSON with robust triggers, idempotency, error handling, logging, retries, and review queues.\n- Supports both cron and webhook triggers with configurable schedules and data contracts.\n- Outputs include workflow design specs, importable n8n JSON, and runbooks (on request).\n- Features audit logging, error notification, human-in-the-loop review queues, and safeguards against silent failures.\n- Omits secrets from outputs and enforces least-privilege by design.\n\nArchive index:\n\nArchive v1.0.0: 3 files, 2781 bytes\n\nFiles: assets/runbook-template.md (648b), SKILL.md (3977b), _meta.json (142b)\n\nFile v1.0.0:SKILL.md\n\n---\nname: n8n-workflow-automation\ndescription: Designs and outputs n8n workflow JSON with robust triggers, idempotency, error handling, logging, retries, and human-in-the-loop review queues. Use when you need an auditable automation that won’t silently fail.\n---\n\n# n8n workflow automation with retries, logging, and review queues\n\n## PURPOSE\nDesigns and outputs n8n workflow JSON with robust triggers, idempotency, error handling, logging, retries, and human-in-the-loop review queues.\n\n## WHEN TO USE\n- TRIGGERS:\n  - Build an n8n workflow that runs every Monday and emails the compliance summary.\n  - Add error handling and retries to this workflow, plus a review queue for failures.\n  - Create a webhook workflow that logs every run and writes a status row to a tracker.\n  - Make this n8n flow idempotent so it does not duplicate records when it reruns.\n  - Instrument this workflow with audit logs and a human approval step.\n- DO NOT USE WHEN…\n  - You need code-only automation without n8n (use a scripting/CI skill).\n  - You need to bypass security controls or hide audit trails.\n  - You need to purchase or recommend prohibited items/services.\n\n## INPUTS\n- REQUIRED:\n  - Workflow intent: trigger type + schedule/timezone + success criteria.\n  - Targets: where to write results (email/Drive/Sheet/DB) and required fields.\n- OPTIONAL:\n  - Existing n8n workflow JSON to modify.\n  - Sample payloads / example records.\n  - Definition of dedup keys (what makes a record unique).\n- EXAMPLES:\n  - Cron: Monday 08:00 Europe/London; send summary email + Drive upload\n  - Webhook: receive JSON; route to folders\n\n## OUTPUTS\n- Default (read-only): a workflow design spec (nodes, data contracts, failure modes).\n- If explicitly requested: `workflow.json` (n8n importable JSON) + `runbook.md` (from template).\nSuccess = workflow is idempotent, logs every run, retries safely, and routes failures to a review queue.\n\n\n## WORKFLOW\n1. Clarify trigger:\n   - Cron/webhook/manual; schedule/timezone; concurrency expectations.\n2. Define data contract:\n   - input schema, required fields, and validation rules.\n3. Design idempotency:\n   - choose dedup key(s) and storage (DB/Sheet) to prevent duplicates on retries.\n4. Add observability:\n   - generate `run_id`, log start/end, store status row and error details.\n5. Implement error handling:\n   - per-node error branches, retry with backoff, and final failure notification.\n6. Add human-in-the-loop (HITL) review queue:\n   - write failed items to a queue (Sheet/DB) and require approval to reprocess.\n7. “No silent failure” gates:\n   - if counts/thresholds fail, stop workflow and alert.\n8. Output:\n   - If asked for JSON: produce importable n8n workflow JSON + runbook.\n9. STOP AND ASK THE USER if:\n   - destination systems are unknown,\n   - no dedup key exists,\n   - credential strategy (env vars) is not specified,\n   - the workflow needs privileged access not yet approved.\n\n\n## OUTPUT FORMAT\nIf outputting **n8n workflow JSON**, conform to:\n\n```json\n{\n  \"name\": \"<workflow name>\",\n  \"nodes\": [ { \"name\": \"Trigger\", \"type\": \"n8n-nodes-base.cron\", \"parameters\": {}, \"position\": [0,0] } ],\n  \"connections\": {},\n  \"settings\": {},\n  \"active\": false\n}\n```\n\nAlso output `runbook.md` using `assets/runbook-template.md`.\n\n\n## SAFETY & EDGE CASES\n- Read-only by default; only emit workflow JSON when explicitly requested.\n- Do not include secrets in JSON; reference env vars/credential names only.\n- Include audit logging + failure notifications; avoid workflows that can silently drop data.\n- Prefer least privilege: call only required APIs and minimize scopes.\n\n\n## EXAMPLES\n- Input: “Cron every Monday, email compliance summary, retry failures.”  \n  Output: Node map + `workflow.json` with Cron → Fetch → Aggregate → Email, plus error branches to review queue.\n\n- Input: “Webhook that logs runs and writes status row.”  \n  Output: Webhook → Validate → Process → Append status row; on error → log + notify + queue.\n\nFile v1.0.0:_meta.json\n\n{\n  \"ownerId\": \"kn7crzxy2455jgg7b1swy21gtn7zd7c2\",\n  \"slug\": \"n8n-workflow-automation\",\n  \"version\": \"1.0.0\",\n  \"publishedAt\": 1768664321187\n}\n\nFile v1.0.0:assets/runbook-template.md\n\n# n8n Workflow Runbook Template\n\n## Purpose\n- What the workflow does and why it exists.\n\n## Triggers\n- Cron / Webhook / Manual\n- Schedule, timezone, and expected frequency.\n\n## Inputs\n- Source systems and credentials (reference env vars only).\n\n## Outputs\n- Where results go (email, Google Sheet/Drive, database), including file naming.\n\n## Idempotency\n- Dedup key:\n- Safe re-run behavior:\n\n## Error handling\n- Retry policy:\n- Failure notifications:\n- Review queue link/location:\n\n## Logging & audit\n- Run ID:\n- What is logged per run:\n- Where logs are stored:\n\n## Operational checks\n- Expected counts/thresholds:\n- “Stop the line” conditions:","readmeExcerpt":"Skill: n8n workflow automation Owner: kowl64 Summary: Designs and outputs n8n workflow JSON with robust triggers, idempotency, error handling, logging, retries, and human-in-the-loop review queues. 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Use when you need an auditable automation that won’t silently fail.\n---\n\n# n8n workflow automation with retries, logging, and review queues\n\n## PURPOSE\nDesigns and outputs n8n workflow JSON with robust triggers, idempotency, error handling, logging, retries, and human-in-the-loop review queues.\n\n## WHEN TO USE\n- TRIGGERS:\n  - Build an n8n workflow that runs every Monday and emails the compliance summary.\n  - Add error handling and retries to this workflow, plus a review queue for failures.\n  - Create a webhook workflow that logs every run and writes a status row to a tracker.\n  - Make this n8n flow idempotent so it does not duplicate records when it reruns.\n  - Instrument this workflow with audit logs and a human approval step.\n- DO NOT USE WHEN…\n  - You need code-only automation without n8n (use a scripting/CI skill).\n  - You need to bypass security controls or hide audit trails.\n  - You need to purchase or recommend prohibited items/services.\n\n## INPUTS\n- REQUIRED:\n  - Workflow intent: trigger type + schedule/timezone + success criteria.\n  - Targets: where to write results (email/Drive/Sheet/DB) and required fields.\n- OPTIONAL:\n  - Existing n8n workflow JSON to modify.\n  - Sample payloads / example records.\n  - Definition of dedup keys (what makes a record unique).\n- EXAMPLES:\n  - Cron: Monday 08:00 Europe/London; send summary email + Drive upload\n  - Webhook: receive JSON; route to folders\n\n## OUTPUTS\n- Default (read-only): a workflow design spec (nodes, data contracts, failure modes).\n- If explicitly requested: `workflow.json` (n8n importable JSON) + `runbook.md` (from template).\nSuccess = workflow is idempotent, logs every run, retries safely, and routes failures to a review queue.\n\n\n## WORKFLOW\n1. 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STOP AND ASK THE USER if:\n   - destination systems are unknown,\n   - no dedup key exists,\n   - credential strategy (env vars) is not specified,\n   - the workflow needs privileged access not yet approved.\n\n\n## OUTPUT FORMAT\nIf outputting **n8n workflow JSON**, conform to:\n\n```json\n{\n  \"name\":"},{"path":"_meta.json","content":"{\n  \"ownerId\": \"kn7crzxy2455jgg7b1swy21gtn7zd7c2\",\n  \"slug\": \"n8n-workflow-automation\",\n  \"version\": \"1.0.0\",\n  \"publishedAt\": 1768664321187\n}"},{"path":"assets/runbook-template.md","content":"# n8n Workflow Runbook Template\n\n## Purpose\n- What the workflow does and why it exists.\n\n## Triggers\n- Cron / Webhook / Manual\n- Schedule, timezone, and expected frequency.\n\n## Inputs\n- Source systems and credentials (reference env vars only).\n\n## Outputs\n- Where results go (email, Google Sheet/Drive, database), including file naming.\n\n## Idempotency\n- Dedup key:\n- Safe re-run behavior:\n\n## Error handling\n- Retry policy:\n- Failure notifications:\n- Review queue link/location:\n\n## Logging & audit\n- Run ID:\n- What is logged per run:\n- Where logs are stored:\n\n## Operational checks\n- Expected counts/thresholds:\n- “Stop the line” conditions:"}],"languages":[],"docsSourceLabel":"CLAWHUB","editorialOverview":"Designs and outputs n8n workflow JSON with robust triggers, idempotency, error handling, logging, retries, and human-in-the-loop review queues. 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