Agent skill · Backend & API

performance-budget

Define and document performance budgets for a web service or application. Use when asked to set performance targets, define SLOs for latency or throughput, establish Core Web Vitals targets, create a performance baseline, or document performance regression policy. Produces a structured performance budget covering key user journeys, Core Web Vitals, backend latency SLOs, measurement tooling, CI enforcement, and breach response process.

mohitagw15856github.com/mohitagw15856GitHub ↗
claude-codecursorMIT
Install
npx skills add mohitagw15856/pm-claude-skills --skill performance-budget --agent claude-code

Same command for any agent — swap --agent for codex, cursor, copilot.

Facts
Files in the skill folder: 1
SKILL.md size: 12 KB
Bundled scripts: none
Path: skills/performance-budget/SKILL.md
Open the folder on GitHub →
Where it comes from
Stars: 1,255
Language: HTML

Weekly change comes from our own snapshots, not the repository page — it measures attention, not adoption.

From the SKILL.md

# Performance Budget Skill Produce a complete, actionable performance budget document for a web service or application. A performance budget is not a wishlist — it is a set of measurable, enforced constraints that define what "acceptable performance" means and who is responsible when those constraints are violated. A good performance budget answers: what are the targets, how are they measured, what triggers an investigation, and what happens when a budget is breached. ## Required Inputs Ask for these if not already provided: - **Service name and type** — web app, API service, mobile app, or combination - **Key user journeys** — the 3–5 most important flows users take (e.g. "search → product page → checkout") - **Current baseline metrics** — P50/P95/P99 latency, LCP, CLS, INP if available (state "no baseline" if not collected yet) - **Tech stack** — frontend framework, backend language/framework, CDN, database - **Deployment environment** — cloud provider, region(s), edge/CDN configuration - **Cost constraints** — any budget or infrastructure limits that affect headroom ## Output Format --- # Performance Budget: [Service Name] **Service:** [Name] | **Team:** [Team name] **Last updat

What's inside
Steps it walks through
  1. Required Inputs
  2. Output Format
  3. Overview
  4. Key User Journeys
  5. Frontend Performance Budget
  6. Core Web Vitals Targets
  7. Page Weight Budget
  8. Per-Journey Frontend Targets
  9. Backend Performance Budget
  10. API Latency SLOs
  11. Database Query Budget
  12. Measurement Methodology
  13. Real User Monitoring (RUM)
  14. Synthetic Monitoring
Commands it runs
Run Lighthouse CI against local build
Run load test locally
Compare performance across recent deploys
More from pm-claude-skills
All skills →
About this skill
What does the performance-budget skill do?

Define and document performance budgets for a web service or application. Use when asked to set performance targets, define SLOs for latency or throughput, establish Core Web Vitals targets, create a performance baseline, or document performance regression policy. Produces a structured performance budget covering key user journeys, Core Web Vitals, backend latency SLOs, measurement tooling, CI enforcement, and breach response process.

How do I install it?

Run `npx skills add mohitagw15856/pm-claude-skills --skill performance-budget --agent claude-code` — it drops the skill into your project so the agent can pick it up. Swap the --agent value for codex, cursor or copilot if you use one of those.

Where does this skill come from?

From mohitagw15856/pm-claude-skills, a repository with 1,255 stars. We read it straight from the repository tree rather than a submitted listing, so what you see here is what is actually published.

Is a popular skill a good skill?

Not necessarily. Stars measure attention, not adoption — a repository can trend for a week and be abandoned. That is why we show the weekly change from our own snapshots next to the total, instead of a single flattering number.

Keep going