Agent Failure Cheat Sheet
Top causes per category, ranked by frequency. Print or save as PDF.
Accuracy
- Content FabricationAI Generates False Content Presented as Fact
- Distribution ShiftProduction Queries Differ Significantly from Golden Dataset
- Extrapolation Beyond DataAgent Makes Unsupported Inferences
- Golden Data Coverage GapsGolden Dataset Missing Critical Scenarios or Edge Cases
- Hallucination: Base MechanismLarge Language and Vision Models Generate Plausible but False Content
Agent Interaction
- Assumption Validation FailureThe agent infers an unstated detail about what the user wants — a default value, a scope b…
- Conversation Depth MismatchThe agent calibrates the wrong amount of detail for the question at hand — giving a two-li…
- Conversation RepetitionThe agent restates information, asks a question, or repeats an instruction that it (or the…
- Over-ClarificationThe agent asks a clarifying question for a request that was already clear enough to act on…
- Clarification IrrelevantThe agent correctly recognizes that a request is ambiguous and asks a clarifying question,…
Content Marketing
- Fact-Check Skipped on Statistical ClaimsContent-Generation Agent Includes Specific Statistics, Percentages, or Research Citations …
- AI-Generated Content Disclosure OmissionContent-Generation Agent Publishes AI-Drafted Marketing Content Without the Disclosure Lab…
- Missing Substantiation for Comparative ClaimsCompliance Agent Approves Marketing Copy Containing a Comparative or Superiority Claim Wit…
- Stale Training-Corpus Meta-Tag Rule Overrides Live SEO-Guidelines Tool ResultAn SEO-Optimization Agent Asked to Confirm a Page's Title Tag Length, Meta-Description Len…
- Voice Drift After Model Version UpgradeUnderlying Language Model Powering the Content-Generation Agent Is Upgraded to a Newer Ver…
Customer Service
- Bad RefusalAgent refuses safe requests or gives unsafe help.
- Document-Level Retrieval Mismatch Pulls Wrong Billing-Dispute TemplateA Billing-Dispute Agent That Retrieves a Dispute-Handling Template or Policy Article From …
- Embedding Retrieval Selects Similar but Wrong Canned ResponseA Support Agent That Selects a Canned Response or Macro From a Library Via Semantic/Embedd…
- False Completion ClaimAgent says done when action was not completed.
- Multi-Agent Handoff Drops De-Escalation Context Between Triage and Billing AgentA Triage Agent That Determines a Customer Is Already Frustrated and Has Explicitly Request…
Devops
- Alert Fatigue from Agent-Tuned Threshold MisconfigurationAgent Auto-Tunes Anomaly Detection Thresholds to Minimize False Positives on Historical Da…
- Multi-Agent Handoff Drops Maintenance-Window Suppression Flag Between Scheduler and Alert RouterA Maintenance-Scheduling Agent That Reasons, in Its Own Planning Output, That a Specific S…
- Rightsizing Recommendation OvercorrectionAgent Recommends Downsizing Compute Resources Based on Average Utilization, Ignoring Peak …
- Seasonal Blindness in Anomaly DetectionAnomaly Detection Model Flags Normal Seasonal Patterns as Anomalies; High False Positive R…
- Autoscaling Thrash from Reactive Agent DecisionsAgent-Driven Autoscaler Repeatedly Scales Up and Down in Short Cycles Because Scaling Deci…
Document Processing
- OCR Confuses Similar-Looking Characters (0/O, 1/l/I, 5/S): Causes and FixesOCR swaps visually similar characters (0/O, 1/l/I, 5/S, 8/B), so extracted IDs and codes l…
- AI Document Extraction Shows High Confidence on Wrong Answers: Causes and FixesOverconfident Wrong Answers — Model Confidence Doesn't Track Accuracy
- Invoice Automation Breaks on Non-Standard Vendor Formats: Causes and FixesDocument Format Diversity Overwhelms Rule-Based Extraction
- AI Document Extraction Accuracy Drops in Production vs Benchmarks: Causes and FixesInput Quality Gap — Real Documents Are Messier Than Benchmark Documents
- OCR Fails on Low-Resolution Scans and Fax Images: Causes and FixesLow DPI scans, faxes, and compressed mobile photos produce fragmented, unreadable OCR outp…
Domain Expertise
- AI Agent Gives a Technically Correct but Commercially Wrong Answer: Causes and FixesThe agent enforces policy to the letter and gets a technically correct answer that is comm…
- AI Agent Misreads Customer Emotion and Sounds Tone-Deaf: Causes and FixesThe agent mishandles empathy in debt collection, healthcare, support, or complaints and gi…
- AI Agent Misclassifies a Document Type: Causes and FixesThe agent misclassifies a paystub, W-2, bank statement, invoice, policy, or similar docume…
- AI Agent Misses an Industry-Specific Rule or Exception: Causes and FixesThe agent applies the general-case policy and misses an industry-specific rule or exceptio…
- AI Agent Misclassifies Risk Severity: Causes and FixesThe agent treats a critical issue as minor, or a minor issue as critical, because its seve…
External Actions
- AI Agent Triggers Unexpected Side Effects: Causes and FixesAI agent's action unexpectedly triggers notifications, billing charges, shipments, or depl…
- AI Agent Claims Success on a Partially Completed Task: Causes and FixesAI agent completes only some steps of a multi-step task but reports full success to the us…
- AI Agent Acts Before Gathering Enough Evidence: Causes and FixesAI agent takes an irreversible action, like banning a user or closing a case, before enoug…
- AI Agent Picks the Wrong Workflow Branch (Refund vs. Replacement, Escalate vs. Resolve): Causes and FixesAI agent chooses the wrong path in a decision workflow — refund vs. replacement, escalatio…
- AI Agent Creates Duplicate Orders, Charges, or Tickets: Causes and FixesThe agent retries a write-type tool call after a timeout or ambiguous error and ends up cr…
Financial Services
- Benchmark Misalignment in Portfolio RecommendationsModel Optimizes Against a Generic Benchmark That Does Not Match the Client's Actual Risk P…
- Correlation Breakdown in Portfolio DiversificationAssumed Diversification Fails When Correlations Spike (Tail Dependence Not Captured)
- Look-Ahead Bias in BacktestsModel Uses Future Information in Backtest That Wouldn't Be Available in Real-Time Trading
- Overfitting to Historical Market RegimeModel Optimized for Historical Regime (Bull Market) Fails in Regime Change (Bear Market, S…
- Recency Bias in Portfolio RecommendationsModel Overweights Recent Performance; Recommends Assets That Performed Well Recently but A…
Governance
- Approval Timeout ExpirationAn approval request times out because no approver responds within the configured window, a…
- Audit Logging Not EnforcedPolicy requires that certain tool calls — anything that reads sensitive data, anything tha…
- PII Retention Policy ViolationPersonally identifiable information collected or processed by an agent through a tool call…
- Policy Scope MisunderstandingThe agent misinterprets which actions or resources a policy actually covers — applying it …
- Approval Authority Escalation FailureAn agent submits an approval request that exceeds the current approver's authority limit (…
Healthcare
- Age Bias in Symptom InterpretationModel Misinterprets Symptoms Differently Based on Patient Age; Younger Patients Undertreat…
- Anchoring Bias on First DiagnosisAgent Fixates on the First Plausible Diagnosis Suggested Early in the Conversation and Dis…
- Demographic Bias in Diagnosis & Treatment RecommendationsModel Biased Toward/Against Certain Demographics (Race, Gender, Age); Different Accuracy f…
- Discharge Medication Reconciliation GapAgent Generates Discharge Medication List Without Reconciling Against Pre-Admission Home M…
- Dosage Renal/Hepatic Adjustment FailureAgent Recommends Standard Adult Dosing Without Adjusting for Impaired Renal or Hepatic Cle…
Hr Recruiting
- Resume Keyword Overfit BiasCandidate-Screening Agent Over-Weights Surface Keyword Matches Against the Job Description…
- Embedding Retrieval Pulls Wrong-Jurisdiction Benefits Policy During OnboardingAn Onboarding Agent's Retrieval Step Surfaces a Benefits-Eligibility Policy Document for a…
- Interview Transcript Sentiment Overweighted vs. ContentAI-Assisted Interview-Screening Agent Weights a Candidate's Vocal Confidence, Fluency, and…
- Protected Class Proxy DiscriminationResume screener learns that names, dates, or graduation years correlate with performance; …
- Resume Keyword Matching BiasAI resume screener uses exact keyword matching; rejects qualified candidates with industry…
Human Machine Interface
Insurance
- Embedding-Retrieval Wrong Endorsement Version AppliedA Claims-Adjudication Agent's RAG Retrieval Step Pulls a Lexically Similar but Superseded …
- Catastrophe Correlation BlindnessCatastrophe risk model assumes independent claims; hurricane hits coast, model hadn't prov…
- Embedding-Retrieval Applies Wrong Occupation-Class Rate Precedent by Lexical SimilarityAn Underwriting Agent's Retrieval Step, Used to Find a "Similar Prior Case" Precedent for …
- Embedding Retrieval Flags Unrelated Claimant as Fraud-Ring MatchA Fraud-Detection Agent's Link-Analysis Retrieval Step, Which Searches for Claimants Embed…
- Embedding Retrieval Pulls Mismatched Rating-Territory Policy Precedent for RenewalA Policy-Renewal Agent's Retrieval Step Surfaces a "Similar Policy" Precedent via Embeddin…
Knowledge Retrieval
- Ambiguity MishandlingAgent Guesses Instead of Clarifying Ambiguous Queries
- Chunk Boundary IssuesRelevant Information Split Across Chunks
- AI Agent's Confidence Doesn't Match How Reliable Its Answer Is: Causes and FixesAI agent sounds equally confident whether its answer is well-supported by context or barel…
- Fact Context LossA retrieval system pulls a fact that is accurate on its own terms, but the qualifying cont…
- Fact Generalization ErrorAn agent takes a fact that is true only under narrow, specific conditions — a particular s…
Learning
- Learning From Bad FeedbackAgent updates behavior based on incorrect/noisy feedback.
- No Improvement AuditCannot explain what changed and why.
- No Root-Cause SeparationAgent treats symptom as cause: prompt vs retrieval vs tool vs policy.
- Overfitting To IncidentsFix addresses one case but damages general behavior.
- Wrong Fix TargetSystem changes prompt when schema/retrieval/tool/data was root cause.
Legal Contracts
- Boilerplate Clause MisapplicationAgent Drafts a New Contract by Inserting a Standard Boilerplate Clause Library Entry That …
- Contract Amendment Tracking FailureContract Modified Multiple Times; Model Analyzes Original, Ignoring Amendments; Outdated A…
- Change-of-Control Clause Omission in M&A Due DiligenceAgent Reviewing a Target Company's Contract Portfolio for M&A Due Diligence Fails to Flag …
- Choice-of-Law & Jurisdiction MishandlingModel Fails to Properly Interpret Choice-of-Law Clauses; Applies Wrong Jurisdiction's Laws…
- Circuit Split Blindness in Citation SelectionLegal Research Agent Cites a Precedent as Settled Law Without Flagging That a Circuit Spli…
Mortgage Documents
- Verification CollapseAI Systems Validating Their Own Outputs Without Independent Verification
- Address Standardization FailuresOCR System Fails to Standardize or Match Addresses Across Documents
- Appraisal Data Discrepancy Detection FailuresAI QC System Fails to Detect Appraisal Inconsistencies That Trigger GSE Findings
- Asset Source TracingAI System Fails to Trace Assets to Legitimate Sources
- Asset Verification FailuresOCR System Incorrectly Extracts or Validates Borrower Assets
Multi Agent Systems
- AI Agents Reach False Consensus: Causes and FixesMultiple independent agents reach the same wrong conclusion, and the system mistakes that …
- AI Agent Authority Confusion: Causes and FixesAgents disagree on who has final say, and the system silently picks a winner instead of re…
- Multi-Agent Communication Loss: Causes and FixesAgents lose or drop key information passed between them, so a downstream agent acts withou…
- AI Agents Give Contradictory Outputs: Causes and FixesTwo or more agents disagree and nothing in the pipeline resolves the conflict, so contradi…
- AI Agent Coordinator Failure: Causes and FixesThe manager/orchestrator agent (the coordinator role in LangGraph supervisor graphs or Cre…
Operations
- Agent Resource ContentionMultiple agents operating concurrently compete for the same limited resource — a shared LL…
- Batch Size LimitBulk-operation tools commonly enforce a maximum number of operations (rows, records, actio…
- Connection Timeout No RetryA tool call's underlying TCP/TLS connection times out — a transient blip caused by network…
- Context Coherence LossOver a long-running session, an agent's live working context (the conversation buffer, scr…
- Context Window Awareness FailureAn agent has no internal tracking of how much of its context window is currently consumed,…
Reasoning and Thought
- Model Context Length Behavior ChangeAs an agent's conversation or retrieved context grows toward the model's context window li…
- Model Instruction Following DecayA system prompt's rules — tone constraints, formatting requirements, forbidden topics, rol…
- Model Knowledge CutoffThe model answers questions about facts, prices, APIs, regulations, or current events usin…
- Model Output Format InstabilityAn agent requests a strictly-formatted response (JSON matching a schema, XML with specific…
- Model Uncertainty UnawarenessThe model generates answers in a uniformly confident tone regardless of how certain it act…
Sales Crm
- Best-Case Projection BiasSales forecasting model uses deal probability from salesperson input, which is inherently …
- Embedding-Similarity Retrieves Superficially Similar Deal as PrecedentA Lead-Scoring Agent That Justifies Its Score by Retrieving "Similar Past Deals" via Embed…
- Multi-Agent Handoff Drops Negotiated Payment-Terms Exception Before Deal-Desk ApprovalAn Account Executive's Free-Text Email Negotiation Establishing Extended Payment Terms for…
- SDR-to-AE Handoff Drops Unstructured Disqualifying SignalAn SDR-Qualification Agent's Chat Transcript with a Prospect Contains a Disqualifying Sign…
- Agent Applies Remembered Scoring Heuristic Instead of Querying Live Scoring-Rules ToolA Lead-Scoring Agent, When Asked to Explain or Compute a Lead's Score, Falls Back on a Gen…
Security
- Memory Poison Defense Gap: Existing Tools InsufficientStandard agent defenses (tool contracts, circuit breakers, I/O moderation, sandboxing) det…
- Over-Scoped Agent PermissionsAgents Provisioned with Excessive Access Beyond Task Requirements
- Owner Verification Not EnforcedBefore performing a mutating action on a specific resource (cancel this subscription, dele…
- PII ExposureAgent Outputs Contain Personally Identifiable Information
- Sensitive Data in LogsPII and Secrets Written to Logs, Traces, and Observability Systems
Speech and Audio
- Accent and Dialect BiasASR Performs Significantly Worse on Non-Standard Accents
- Background Noise FailuresASR Accuracy Degrades Significantly in Noisy Environments
- Brand and Term MispronunciationTTS Mispronounces Brand Names, Domain Terms, or Key Phrases
- Homophones ConfusionASR Selects Wrong Word Among Sound-Alike Options
- Monologue Without EngagementAgent Delivers Long Feature Lists or Information Without Pausing for Engagement
Supply Chain
- Bullwhip Effect & Cascading Forecast ErrorSmall Demand Variation at Retail Cascades to Large Forecast Errors Upstream; Overproductio…
- New Product Cold-Start MisforecastAgent Forecasts Demand for a Newly Launched SKU Using a Global Average New-Product Curve T…
- Seasonal Demand Misses & Holiday BlindnessForecasting Model Fails to Account for Seasonal Variations; Massive Stockouts/Overstock on…
- Carrier Capacity Blindness in Route OptimizationAgent Optimizes Shipping Routes for Cost and Transit Time Using Carrier Capacity Assumptio…
- Financial Distress Signal BlindnessAgent's Supplier Risk Monitoring Relies on Quarterly or Annual Financial Statements, Missi…
Support Services
- Canned Response Context MismatchAgent Selects a Templated/Canned Response That Matches Surface Keywords but Misses the Cus…
- Chatbot Loop Without Human Escalation PathSelf-Service Deflection Agent Keeps Offering the Same or Similar Automated Suggestions Wit…
- Deflection of Unresolved IssuesSelf-Service Agent Marks a Conversation as "Deflected" (Resolved Without Human Agent) Base…
- Embedding Retrieval Misroutes Ticket via Similarity to Wrong Product-Line Taxonomy NodeA Ticket-Routing Agent That Classifies an Incoming Ticket's Product Category by Embedding …
- Knowledge Base Staleness in Support ChatbotsSupport Agent Uses Outdated Knowledge Base; Gives Customers Incorrect or Outdated Informat…
Task Planning
- Ambiguous Goal InterpretationAgent optimizes for a different meaning of the user's/business goal.
- Business-Policy MismatchAgent completes a technical action that violates company policy.
- Conflicting ObjectivesAgent cannot resolve tradeoffs like speed vs accuracy, helpfulness vs compliance.
- Goal Drift Across TurnsAgent's objective changes over long conversations or workflows.
- Goal Expansion / Scope CreepAgent performs additional actions that were not requested.
Vision and Images
- Confidence MiscalibrationModel Confidence Doesn't Match Hallucination Probability
- Lighting & Color Shift SensitivityModel Highly Sensitive to Lighting Conditions and Color Changes; Fails Under Different Ill…
- Low-Resolution Image FailureModel Performance Collapses on Low-Resolution Images; Cannot Recognize Objects When Downsa…
- Object Tracking Failure in Multi-Frame SequencesModel Cannot Maintain Consistent Object Track Across Multiple Frames; Loses or Confuses Id…
- Occlusion MishandlingModel Fails to Reason About Occluded (Partially Hidden) Objects