performance-engineer

Expert performance engineer specializing in modern observability,

1.03x

Quality

Does it follow best practices?

Impact

96%

1.03x

Average score across 3 eval scenarios

Securityby

Passed

No known issues

Optimize this skill with Tessl

npx tessl skill review --optimize ./skills/performance-engineer/SKILL.md

Evaluation results

89%

-1%

Checkout API Performance Analysis

Bottleneck diagnosis and prioritized optimization planning

Criteria

Without context

With context

Baseline from data

100%

Bottleneck priority order

100%

Impact per optimization

69%

92%

Tradeoffs per optimization

58%

33%

User-perceived metrics

100%

System-wide scope

100%

Data-driven decisions

100%

Maintainability or cost balance

92%

84%

100%

10%

Pre-Launch Load Testing Plan for Payment Processing Service

Safe load testing strategy with production safeguards

Criteria

Without context

With context

Realistic test scenarios

100%

Production load test safety

100%

Staged rollout with rollback

100%

Post-test regression guardrails

58%

100%

Metrics tracked during testing

100%

Bottleneck isolation method

83%

100%

Continuous monitoring plan

100%

Traces or profiling during test

72%

100%

Observability and Performance Framework for SaaS Platform

Observability architecture with performance budgets and caching strategy

Criteria

Without context

With context

Performance budgets with thresholds

100%

Caching with invalidation

100%

Alerting with thresholds or anomalies

100%

Regression prevention mechanism

100%

Continuous monitoring

100%

Multi-layer caching

100%

Metrics documentation with impact

100%

Scalability or architectural improvements

100%

Repository: sickn33/antigravity-awesome-skills
Commit: ef6214c

Evaluated: 26 days ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

Checkout API Performance Analysis Pre-Launch Load Testing Plan for Payment Processing Service Observability and Performance Framework for SaaS Platform

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