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AI Agent Failure & Fallback Designer
Design resilient AI agents with structured fallback paths, retry logic, and human-in-the-loop escalation.
$9.99
AI Agent Failure & Fallback Designer
Example session with this skill installed
I am building a Stripe-integrated refund agent. It uses an LLM to verify refund eligibility against a PDF policy and then calls the Stripe API. I need a failure and fallback design.
- Read your context and instructions
- Compiled the ai agent failure
- Generated the UI component
I have mapped the failure modes for your Stripe-integrated refund agent. The design focuses on preventing double-refunds and ensuring high-stakes decisions are verified by a human agent when policy confidence is low.
Refund Agent Reliability Design
Agent Reliability Summary
- Primary workflow: Policy verification via RAG -> Stripe API Refund execution -> Confirmation email.
- Highest-risk failure: Double-execution of refund due to Stripe API timeout during a non-idempotent call.
- Most important fallback: Deterministic rule-check if LLM eligibility confidence is < 85%.
- Human escalation boundary: Any refund exceeding $500 or cases with conflicting policy evidence.
- Major reliability gaps: Potential for stale policy data if PDF retrieval fails.
Failure Mode Matrix
| Failure | Detection | Impact | Retry? | Fallback | Escalation | Recovery |
|---|---|---|---|---|---|---|
| Stripe API Timeout | ConnectionError / Timeout | Critical | No (Risk) | Queue for status check | Always | Query Stripe for Charge ID status |
| Eligibility Hallucination | Low LogProbs / Format Error | High | Yes (1x) | Deterministic keyword check | If mismatch persists | Log mismatch and flag for review |
| PDF Retrieval Failure | Empty context / 404 | Medium | Yes (3x) | Use cached summary | No | Return partial result: "Manual Check Req" |
Retry & Fallback Policy
Primary (LLM Verify) -> Retry (Repair Prompt) -> Alternate (Hard-coded Logic) -> Human Review
The transition to human review is mandatory for all Stripe 5xx errors to prevent accidental double-charging or missed refunds during downtime.
Human Escalation Plan
| Trigger | Context to Transfer | Human Decision | Automation State |
|---|---|---|---|
| Refund > $500 | Customer ID, Transaction ID, Policy Link | Approve/Deny | Paused; State Saved |
| Stripe 402 (Declined) | Stripe Error Log, Card Last 4 | Direct customer outreach | Terminated |
Next steps
- Implement idempotency keys using the Stripe Transaction ID to prevent duplicate refunds.
- Configure a dead-letter queue for any refund requests that hit the "Critical" failure path.
- Set up a monitoring alert for "Human Escalation Rate" to tune the LLM's eligibility threshold.
ai-agent-failure-fallback-designer.tsx
TSX · React component
Example file from a real run - the skill writes it into your workspace.
Connects securely to your tools. The creator never sees your data.
What you get
About this skill
The problem
AI agents often fail silently, enter infinite retry loops, or perform irreversible actions when APIs timeout or models hallucinate. Without a structured fallback strategy, developers face unpredictable production outages and untrustworthy automated workflows.
What it does
- Identifies failure modes across tool calls, LLM responses, RAG retrieval, and authentication flows.
- Classifies errors into recoverable, retryable, or terminal categories with assigned impact levels.
- Designs multi-layered fallback paths, from model-based repairs to deterministic rule-based alternates.
- Defines specific human-in-the-loop triggers for high-risk financial or security-sensitive actions.
- Develops recovery test plans to verify agent behavior during API 5xx errors, rate limits, and schema mismatches.
Why this beats prompting it yourself
Most basic prompts forget to account for idempotency and state persistence during retries. This skill applies systematic engineering principles to ensure your agent fails safely, preserves partial work, and never repeats expensive or destructive API calls without authorization.
Use cases
- Designing error handling for a multi-agent autonomous coding assistant.
- Setting up safety boundaries and human escalation for a customer support bot.
- Building resilient RAG pipelines that degrade gracefully when retrieval quality is low.
- Developing failure-tolerant agents for financial transaction processing and account management.
Known limitations
Does not provide the actual code implementation for specific backends. Requires a clear description of your agent's architecture to be effective.
How to install
Works the same in every agent - Claude, Cursor, Codex, Copilot and 20+ more.
- 1
Download the ZIP
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- 2
Unzip into your skills folder
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- 3
Ask your agent to use it
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