Identifies API latency hotspots and bottlenecks with profiling tools, slow endpoint detection, suspected causes, and fix roadmap. Use for "latency profiling", "performance bottlenecks", "slow APIs", or "backend performance".
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Find and fix API performance bottlenecks.
// Middleware to track latency
app.use((req, res, next) => {
const start = Date.now();
res.on("finish", () => {
const duration = Date.now() - start;
if (duration > 1000) {
logger.warn(
{
endpoint: req.path,
method: req.method,
duration_ms: duration,
userId: req.user?.id,
},
"Slow request detected"
);
}
});
next();
});
-- Query from logs
SELECT
endpoint,
AVG(duration_ms) as avg_ms,
MAX(duration_ms) as max_ms,
COUNT(*) as requests
FROM request_logs
WHERE created_at > NOW() - INTERVAL '1 day'
GROUP BY endpoint
HAVING AVG(duration_ms) > 500
ORDER BY avg_ms DESC
LIMIT 10;
interface PerformanceBottleneck {
endpoint: string;
avgLatency: number;
suspectedCauses: string[];
fixPriority: "high" | "medium" | "low";
}
const bottlenecks: PerformanceBottleneck[] = [
{
endpoint: "GET /api/users/:id",
avgLatency: 2500,
suspectedCauses: [
"N+1 query fetching user orders",
"No database index on user_id",
"Expensive JSON serialization",
],
fixPriority: "high",
},
];
# Performance Fix Roadmap
## Week 1: Quick Wins
- [ ] Add database indexes
- [ ] Enable response caching
- [ ] Fix N+1 queries
## Week 2: Medium Effort
- [ ] Optimize slow database queries
- [ ] Implement Redis caching
- [ ] Add connection pooling
## Week 3: Long-term
- [ ] Database query optimization
- [ ] Service decomposition
- [ ] CDN integration
まだレビューはありません。使ってみた感想をお寄せください。
概要と使いどころ
Audits and implements web accessibility (a11y) following WCAG 2.1 guidelines with ARIA patterns, keyboard navigation, screen reader support, and contrast checking. Use when users request "accessibility audit", "a11y review", "WCAG compliance", "screen reader support", or "keyboard navigation".
日本語の概要は準備中です。原文の説明を表示しています。
Creates Architecture Decision Records documenting key technical decisions with context, alternatives considered, tradeoffs, consequences, and decision owners. Use when documenting "architecture decisions", "technical choices", "design decisions", or "ADRs".
日本語の概要は準備中です。原文の説明を表示しています。
Designs multi-step agent workflows with tool usage, retry logic, state management, and budget controls. Provides orchestration diagrams, tool execution order, fallback strategies, and cost limits. Use for "AI agents", "agentic workflows", "multi-step AI", or "autonomous systems".
日本語の概要は準備中です。原文の説明を表示しています。
MUST USE when user wants to 调研/research/搜索/search/查/找/look up anything on the internet — e.g. 全网调研 X / 帮我调研一下 X / 查一下 X / 搜搜 X / 看看大家怎么评价 X / X 上有什么讨论 / research this topic。 Also MUST USE when user mentions any platform or shares any URL/链接: 小红书/xiaohongshu/xhs, Twitter/推特/X, B站/bilibili, Reddit, Facebook, Instagram, V2EX, LinkedIn/领英/招聘/求职/jobs, YouTube, GitHub code search, 小宇宙播客, 雪球/股票行情, RSS feeds, or any web URL. 15 platforms, multi-backend routing (OpenCLI / per-platform CLIs / APIs). Zero config for 6 channels. Run `agent-reach doctor --json` to see which backend serves each platform right now. NOT for: 写报告/数据分析/翻译等内容加工（本 skill 只负责从互联网获取内容）； 发帖/评论/点赞等写操作；已有专门 skill 的平台（先用专门 skill）。 【路由方式】SKILL.md 包含路由表和常用命令，复杂场景需按需阅读对应分类的 references/*.md。 分类：search / social (小红书/推特/B站/V2EX/Reddit/Facebook/Instagram) / career(LinkedIn) / dev(github) / web(网页/文章/RSS) / video(YouTube/B站/播客) / finance(雪球/股票)。
日本語の概要は準備中です。原文の説明を表示しています。
Orchestrates multi-agent AI systems with task delegation, agent communication, shared memory, and workflow coordination. Use when users request "multi-agent system", "agent orchestration", "AI agents", "agent coordination", or "autonomous agents".
日本語の概要は準備中です。原文の説明を表示しています。
Creates SLO-based alerts and operational dashboards with key charts, alert thresholds, and runbook links. Use for "alerting", "dashboards", "SLO", or "monitoring".
日本語の概要は準備中です。原文の説明を表示しています。