Use this prompt when you need a formal, machine-readable specification for the performance gates that control whether an AI system advances, holds, or reverts autonomy stages. This is not a prompt for evaluating a single action. It is for defining the criteria itself: the metrics, thresholds, measurement windows, and evidence requirements that become the contract for your graduated autonomy system. Engineering leads and risk managers use this before deploying any staged release framework. The output feeds directly into gate evaluation prompts, monitoring dashboards, and compliance documentation.
Prompt
Performance Gate Criteria Definition Prompt

When to Use This Prompt
Defines the measurable performance gates that control whether an AI system advances, holds, or reverts autonomy stages.
The ideal user is an engineering lead or risk manager who needs to codify the rules of the road for AI autonomy. You must bring a clear understanding of your system's action categories, the metrics you can reliably measure, and the risk tolerance of your organization. Required context includes the current autonomy stage, the target stage, the specific actions or capabilities under consideration, and the operational data sources available for measurement. Without this context, the prompt will produce a generic template that fails to capture the real-world constraints of your deployment.
Do not use this prompt when you need a one-off risk judgment or a simple pass/fail check on a single output. Those tasks are better served by the Confidence Threshold Escalation Prompt or the Risk Score Threshold and Anomaly Escalation Prompt. This prompt is also not a substitute for the Staged Autonomy Policy Definition Prompt, which defines the master policy document. Instead, this prompt creates the specific, measurable criteria that instantiate that policy for a particular transition. If you are evaluating whether a system currently meets its gates, use the Graduated Autonomy Gate Evaluation Prompt Template. If you are defining the triggers that force an immediate reversion, use the Autonomy Reversion Trigger Prompt.
Use Case Fit
Where this prompt works and where it does not. Use these cards to quickly assess if the Performance Gate Criteria Definition Prompt is the right tool for your staged release workflow.
Good Fit: Formalizing Gate Reviews
Use when: You need to move from ad-hoc 'gut feel' decisions about promoting an AI to a higher autonomy stage to a structured, repeatable review process. Guardrail: Ensure the output criteria specification is reviewed and signed off by both engineering and product leads before being encoded into any automated gate evaluation system.
Good Fit: Defining Measurable Thresholds
Use when: You have high-level goals like 'the system must be reliable' but need to define precise, measurable metrics (e.g., 'task success rate > 99.5% over a 7-day window'). Guardrail: Validate that every metric defined by the prompt can actually be measured with your current observability stack. A perfect metric that you can't track is useless.
Bad Fit: Replacing Risk Assessment
Avoid when: You need a holistic risk assessment that weighs brand reputation, legal exposure, and user sentiment. This prompt defines performance gates, not a complete enterprise risk model. Guardrail: Use this prompt's output as a technical input to a broader risk review process led by a human risk manager, not as the final risk assessment itself.
Required Input: Existing Autonomy Policy
Risk: Without a defined autonomy stage policy (stages, their scopes, and general rules), the prompt will invent plausible but misaligned criteria. Guardrail: Always provide your Staged Autonomy Policy Definition as input context. The prompt's job is to derive specific, measurable gates from that policy, not to create the policy from scratch.
Operational Risk: Threshold Oscillation
Risk: Poorly defined criteria can cause rapid, repeated promotion and demotion if a metric hovers exactly at the threshold. Guardrail: The prompt's output must be reviewed for hysteresis. Explicitly check that the criteria include a 'sustainment period' (e.g., 'metric must be above threshold for X consecutive days') to prevent unstable autonomy states.
Operational Risk: Missing Edge Cases
Risk: The prompt might define a gate for 'average latency' but miss a catastrophic edge case like 'p99 latency during peak load.' Guardrail: After generation, manually inject failure scenarios (e.g., 'What if the database is slow?') and verify the criteria would correctly trigger a hold or reversion. The prompt is a starting point, not a final spec.
Copy-Ready Prompt Template
A copy-ready template for generating a formal Performance Gate Criteria Specification from your system's context.
This prompt instructs the model to act as a reliability architect and produce a formal specification for performance gates that control an AI system's progression through autonomy stages. It is designed to be pasted directly into your AI system after you replace the square-bracket placeholders with your specific system context, risk tolerance, and operational constraints. The output is a structured document, not a conversation, and should be suitable for review by engineering leads, risk managers, and governance teams.
codeYou are a principal reliability architect defining measurable performance gates for an AI system's graduated autonomy. Your task is to produce a formal Performance Gate Criteria Specification based on the provided context. ## SYSTEM CONTEXT - System Name: [SYSTEM_NAME] - System Purpose: [SYSTEM_PURPOSE] - Current Autonomy Stage: [CURRENT_STAGE] - Target Autonomy Stage: [TARGET_STAGE] - Action Categories Under Consideration: [ACTION_CATEGORIES] - Existing Operational Metrics Available: [AVAILABLE_METRICS] - Risk Tolerance Level: [RISK_TOLERANCE] - Regulatory Constraints: [REGULATORY_CONSTRAINTS] ## OUTPUT SCHEMA Generate a JSON object with the following structure: { "specification_metadata": { "spec_name": "string", "version": "string", "created_date": "string", "target_stage": "string", "review_cadence": "string" }, "performance_gates": [ { "gate_id": "string", "gate_name": "string", "metric_definition": { "metric_name": "string", "description": "string", "calculation": "string", "data_source": "string" }, "thresholds": { "promotion_threshold": "string", "demotion_threshold": "string", "warning_threshold": "string" }, "measurement_window": { "duration": "string", "minimum_observations": "integer", "aggregation_method": "string" }, "evidence_requirements": ["string"], "hysteresis_rule": "string" } ], "composite_scoring": { "formula": "string", "weighting_rationale": "string", "minimum_gates_required": "integer" }, "edge_cases_and_exceptions": [ { "scenario": "string", "handling_rule": "string" } ], "cold_start_policy": "string" } ## CONSTRAINTS - Every threshold must be measurable with the available metrics listed in [AVAILABLE_METRICS]. If a required metric is missing, flag it in an `unavailable_metrics` array at the top level. - Include hysteresis rules to prevent rapid stage oscillation. - Define a cold-start policy for when insufficient data exists for a measurement window. - Address edge cases such as low traffic, deployment rollbacks, and data pipeline delays. - The composite scoring formula must be explicit and auditable. - Do not invent metrics that cannot be derived from [AVAILABLE_METRICS]. - If [REGULATORY_CONSTRAINTS] apply, ensure evidence requirements satisfy audit trail needs. ## EXAMPLES - A good threshold: "Action success rate >= 99.5% over a rolling 7-day window with a minimum of 1,000 observations." - A good hysteresis rule: "Once promoted, the system will not be demoted unless the metric falls below the demotion threshold for 3 consecutive measurement windows." - A good cold-start policy: "For the first 14 days of operation, the system remains in the current stage regardless of metrics, collecting baseline data only." Generate the complete Performance Gate Criteria Specification JSON.
After pasting the template, focus your adaptation effort on the placeholders. The [AVAILABLE_METRICS] field is the most critical; the model will base all thresholds on these. If you provide vague metrics like "user satisfaction," the output will be vague. Instead, provide precise, queryable metrics such as human_approval_rate_last_7d, p99_latency_ms, or tool_call_success_rate. The [RISK_TOLERANCE] field should use a clear label like low, moderate, or high, which the model will interpret to calibrate threshold strictness. Always review the generated unavailable_metrics array; if the model flags a metric you believe you have, your placeholder description was likely insufficient. For high-risk action categories, ensure a human reviews the final specification before it is encoded into any production system.
Prompt Variables
Every placeholder the Performance Gate Criteria Definition Prompt expects, why it matters, and how to validate it before execution.
| Placeholder | Purpose | Example | Validation Notes |
|---|---|---|---|
[CAPABILITY_NAME] | The specific AI capability or agent action being gated (e.g., 'auto-merge PRs', 'send payment'). | auto-approve-expense-reports | Must be a non-empty string matching a registered capability in the autonomy policy registry. Validate against an allowlist of known capabilities. |
[CURRENT_AUTONOMY_STAGE] | The system's current stage identifier (e.g., 'supervised', 'shadow', 'limited') to contextualize the gate criteria. | supervised | Must match one of the defined stage enums in the Staged Autonomy Policy Definition. Reject unknown or deprecated stage names. |
[TARGET_AUTONOMY_STAGE] | The stage the system is attempting to advance to, which determines the strictness of the gate criteria. | limited | Must be a valid stage strictly higher than [CURRENT_AUTONOMY_STAGE] in the autonomy hierarchy. Validate stage ordering. |
[PERFORMANCE_METRICS] | A structured object containing the system's measured performance data over the evaluation window (e.g., error rates, approval rates, latency). | {"action_error_rate": 0.02, "human_override_rate": 0.05, "p99_latency_ms": 1200} | Must be valid JSON with numeric values. Each metric key must exist in the system's telemetry schema. Check for missing required metrics and null values. |
[EVALUATION_WINDOW_DAYS] | The number of consecutive days over which [PERFORMANCE_METRICS] were collected. | 30 | Must be a positive integer. Validate that the window meets the minimum observation period defined in the Graduated Trust Score Calculation prompt. Reject windows shorter than the policy minimum. |
[ACTION_VOLUME] | The total number of actions the system took during the [EVALUATION_WINDOW_DAYS], used to assess statistical significance. | 1500 | Must be a non-negative integer. If [ACTION_VOLUME] is below the policy-defined minimum sample size, flag for human review and prevent automatic promotion. |
[RISK_TIER] | The pre-assigned risk classification of the capability (e.g., 'low', 'medium', 'high', 'critical'), which gates the required evidence strictness. | high | Must match a value from the Risk-Adjusted Autonomy Level risk tier enum. If [RISK_TIER] is 'critical', require explicit multi-stakeholder approval regardless of metric thresholds. |
Implementation Harness Notes
How to wire the Performance Gate Criteria Definition Prompt into an application with validation, retries, logging, and human review.
This prompt is not a one-off brainstorming tool; it is a specification generator that feeds directly into automated gating systems. The output must be machine-readable, validated against a strict schema, and stored as an auditable artifact. Wire this prompt into a pipeline where the generated criteria specification is parsed, validated, and then used to configure monitoring dashboards, CI/CD release gates, or autonomous agent policy engines. The prompt's primary risk is producing vague, unmeasurable, or internally inconsistent criteria that look plausible but fail under automation. Therefore, the implementation harness must treat the LLM output as a draft that requires deterministic post-processing before it can be trusted.
Validation and Schema Enforcement: The prompt instructs the model to output JSON conforming to a specific schema. Your application must parse this JSON immediately and validate it against a formal schema definition (e.g., using Pydantic, Zod, or JSON Schema validators). Check for required fields (metric_name, threshold, measurement_window, evidence_requirements), data type correctness (numeric thresholds must be floats/ints, windows must be valid ISO 8601 durations), and logical consistency (a 'minimum' threshold should not exceed a 'maximum' threshold). If validation fails, do not silently fall back to a default. Instead, construct a targeted retry prompt that includes the raw output and the specific validation errors, asking the model to repair only the broken fields. After three failed repair attempts, escalate the raw output and error log to a human reviewer via a ticketing system or review queue.
Logging and Audit Trail: Every invocation must produce an immutable log entry. Capture the full prompt template with populated variables, the raw model output, the validated specification, the model ID and generation parameters, a timestamp, and a unique spec_id. Store this as a versioned artifact in a database or object store. This is critical because performance gates govern whether autonomous systems can take higher-risk actions; when an incident occurs, you will need to trace the exact criteria that permitted or blocked a stage transition. Log any human overrides to the generated criteria with a required justification field, creating a clear chain of accountability.
Human-in-the-Loop Integration: This prompt defines the rules for automation, so it carries high governance weight. The validated specification should not be deployed directly to production gating systems without review. Route the parsed and validated output to a human approval interface that displays the criteria in a readable format, highlights any fields that required retry repair, and provides a diff against the previously approved version. Require explicit approval from an authorized engineering lead before the specification is written to the live configuration store. The approval action should be logged with the reviewer's identity and timestamp, linking back to the spec_id.
Model Selection and Retry Strategy: Use a model with strong instruction-following and structured output capabilities (e.g., GPT-4o, Claude 3.5 Sonnet) for this task. Set temperature to 0 or a very low value (0.1) to maximize determinism in threshold values and schema adherence. Implement exponential backoff with jitter for API rate limits. For retries triggered by validation failures, include the previous attempt's errors in the new prompt context. For retries triggered by content policy refusals (the model refusing to define a gate for a sensitive action), log the refusal, flag the specification as blocked, and escalate immediately to a human with the refusal context.
Expected Output Contract
The exact fields, types, and validation rules the prompt must return for a performance gate criteria specification.
| Field or Element | Type or Format | Required | Validation Rule |
|---|---|---|---|
gate_id | string (slug) | Must match pattern ^[a-z0-9-]+$. Must be unique within the autonomy policy. | |
metric_name | string | Must reference a defined metric in the system's observability catalog. Non-empty. | |
metric_description | string | Must be a non-empty sentence describing what is measured and how it is calculated. | |
threshold_operator | enum: gte, lte, gt, lt, eq, range | Must be one of the listed operators. If 'range', both threshold_value_min and threshold_value_max are required. | |
threshold_value | number | Required unless operator is 'range'. Must be a valid float. Cannot be null if operator requires a single value. | |
threshold_value_min | number | Required if operator is 'range'. Must be less than threshold_value_max. | |
threshold_value_max | number | Required if operator is 'range'. Must be greater than threshold_value_min. | |
measurement_window_days | integer | Must be a positive integer. Minimum value of 1. Represents the rolling window for metric calculation. | |
minimum_sample_size | integer | Must be a positive integer. Gate evaluation must fail if the number of observations in the window is below this value. | |
evidence_required | array of strings | Must contain at least one item. Each item must be a valid evidence type: 'metric_query_result', 'human_review_log', 'audit_trail', 'incident_report'. | |
consecutive_periods_required | integer | Must be a positive integer. Defines how many consecutive measurement windows the threshold must be met before the gate is considered passed. | |
failure_reset_behavior | enum: full_reset, decrement_period, none | Must be one of the listed enums. Defines what happens to the consecutive period counter on a single window failure. | |
gate_severity | enum: critical, major, minor | Must be one of the listed enums. A 'critical' gate failure must trigger an automatic autonomy reversion. |
Common Failure Modes
What breaks first when defining performance gates for graduated autonomy and how to prevent it.
Thresholds Without Hysteresis
What to watch: Autonomy stages oscillate rapidly when a metric hovers exactly at the threshold boundary, causing flapping between stages and operational instability. Guardrail: Define separate promotion and demotion thresholds with a required stabilization window (e.g., 'metric must exceed 0.95 for 7 consecutive days to promote, but drops below 0.85 to demote immediately').
Cold-Start Evaluation Gaps
What to watch: Newly deployed agents have no performance history, so gate criteria either block all progression (zero-data deadlock) or pass prematurely on insufficient evidence. Guardrail: Require a minimum observation period and sample count before any gate evaluation runs. Explicitly define a 'supervised-only' default when data is below the threshold.
Metric Proxy Overfitting
What to watch: The gate criteria optimize for a measurable proxy (e.g., 'human approval rate') that drifts from the true objective (e.g., 'correct outcomes'), rewarding the AI for avoiding hard cases rather than solving them. Guardrail: Pair each primary metric with a counter-metric (e.g., escalation rate) and set a floor. If the AI escalates too much to protect its approval score, autonomy should not advance.
Undefined Evidence Requirements
What to watch: The prompt produces a gate decision but the evaluator cannot trace which data, time window, or calculation produced the pass/fail result, making audits impossible. Guardrail: The output schema must include mandatory fields for 'evidence_window_start', 'evidence_window_end', 'metric_values_used', and 'data_source'. Validate that every decision cites specific, queryable evidence.
Missing Reversion Trigger Definitions
What to watch: The prompt defines promotion criteria thoroughly but leaves reversion triggers vague ('revert if performance degrades'), causing delayed or contested demotions during incidents. Guardrail: Require explicit, non-negotiable reversion triggers with severity levels. A 'critical' trigger (e.g., PII leak) must force immediate reversion to full supervision regardless of other metrics.
Composite Score Opacity
What to watch: Multiple metrics are combined into a single weighted score, masking a catastrophic failure in one dimension because another high-performing dimension compensates. Guardrail: Implement hard gates per critical dimension before any composite score is considered. A 'safety violation rate > 0' must block promotion regardless of the weighted average.
Evaluation Rubric
Use this rubric to test the quality of the generated performance gate criteria specification before shipping it to production. Each criterion targets a common failure mode in threshold-setting prompts.
| Criterion | Pass Standard | Failure Signal | Test Method |
|---|---|---|---|
Metric Measurability | Every metric in the output has a defined unit, collection method, and data source. | Vague metrics like 'good performance' or 'low error rate' without operational definitions. | Parse output for metric definitions; assert each has a non-empty unit, source, and collection method field. |
Threshold Precision | Every threshold is a numeric value or a boolean condition, not a qualitative description. | Thresholds expressed as 'reasonable', 'acceptable', or 'high' without numeric bounds. | Regex scan for numeric values or explicit boolean operators adjacent to each threshold statement. |
Measurement Window Completeness | Every metric includes a measurement window with start condition, duration, and evaluation frequency. | Missing window duration, ambiguous start triggers, or no specified evaluation cadence. | Schema validation: assert each metric object contains non-null 'window_duration', 'window_start', and 'evaluation_frequency' fields. |
Evidence Requirement Grounding | Each gate criterion specifies what evidence artifact proves the threshold was met. | Criteria that can be satisfied by assertion alone without a linked artifact or log source. | Check that every criterion maps to at least one evidence artifact type; flag any criterion with an empty 'evidence_required' array. |
Edge Case Coverage | The specification addresses cold-start, sparse-data, and boundary-value scenarios explicitly. | No mention of how gates behave when data is missing, insufficient, or at exact threshold boundaries. | Keyword search for 'cold start', 'sparse', 'boundary', 'minimum observations', or 'insufficient data'; fail if none found. |
Hysteresis and Oscillation Prevention | The specification includes rules preventing rapid stage flapping when metrics hover near thresholds. | Symmetric thresholds with no cooldown, minimum duration, or confirmation period before stage changes. | Assert presence of 'cooldown_period', 'min_stage_duration', or 'confirmation_window' fields in the transition rules. |
False Positive and False Negative Handling | The specification defines acceptable false positive and false negative rates for automated gate decisions. | No mention of error tolerance, misclassification cost, or acceptable failure rates for gate automation. | Search for 'false_positive', 'false_negative', 'misclassification', or 'error_tolerance'; fail if absent from both thresholds and evaluation logic. |
Human Override and Escalation Path | The specification defines when a human can override a gate decision and how that override is logged. | Gate decisions presented as fully automatic with no human-in-the-loop path for disputed or borderline cases. | Assert presence of 'override_policy' or 'escalation_rule' fields; verify they include approval role and audit log requirement. |
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Adapt This Prompt
How to adapt
Use the base prompt with lighter validation. Replace formal evidence requirements with placeholder notes like [EVIDENCE_SOURCE_TBD]. Accept qualitative thresholds ("low error rate") instead of numeric precision. Skip the measurement-window validation step.
Prompt snippet
codeDefine performance gates for [CAPABILITY_NAME]. For each gate, specify: - Metric name and description - Threshold (qualitative acceptable) - Measurement approach - Evidence type expected Do not require historical data or statistical validation.
Watch for
- Gates that sound reasonable but can't be measured in practice
- Missing edge cases (cold start, low volume, sparse data)
- Overly broad metric definitions that drift in production

About the author
Prasad Kumkar
CEO & MD, Inference Systems
Prasad Kumkar is the CEO & MD of Inference Systems and writes about AI systems architecture, LLM infrastructure, model serving, evaluation, and production deployment. Over 5+ years, he has worked across computer vision models, L5 autonomous vehicle systems, and LLM research, with a focus on taking complex AI ideas into real-world engineering systems.
His work and writing cover AI systems, large language models, AI agents, multimodal systems, autonomous systems, inference optimization, RAG, evaluation, and production AI engineering.
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