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debug-optimize-lcp

Guides debugging and optimizing Largest Contentful Paint (LCP) using Chrome DevTools MCP tools.

Skill by sharkrebel

IndexedLicense unknown★ 73
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Install

Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install skill/sharkrebel-debug-optimize-lcp

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

Guides debugging and optimizing Largest Contentful Paint (LCP) using Chrome DevTools MCP tools. Use this skill whenever the user asks about LCP performance, slow page loads, Core Web Vitals optimization, or wants to understand why their page's main content takes too long to appear. Also use when the user mentions "largest contentful paint", "page load speed", "CWV", or wants to improve how fast their hero image or main content renders.

Use cases: writing, agent-building

Reviews

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Permissions

What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.

Tools
No tools found
Secrets
None asked for
Install scripts
None found

Network hosts it talks to 1

  • codeload.github.com · found in install command

Files it touches

  • ~/.claude/skills/debug-optimize-lcp

What's inside

Skill name
debug-optimize-lcp
Description
Guides debugging and optimizing Largest Contentful Paint (LCP) using Chrome DevTools MCP tools. Use this skill whenever the user asks about LCP performance, slow page loads, Core Web Vitals optimization, or wants to understand why their page's main content takes too long to appear. Also use when the user mentions "largest contentful paint", "page load speed", "CWV", or wants to improve how fast their hero image or main content renders.
License
unknown
Instructions
118 lines in SKILL.md · view on GitHub

Files (5)

  • SKILL.md
  • elements-and-size.md · references/
  • lcp-breakdown.md · references/
  • lcp-snippets.md · references/
  • optimization-strategies.md · references/

The license isn't open source, so the instructions aren't shown here. Read SKILL.md on GitHub

More from sharkrebel/everything-everywhere-for-antigravity

Signals

Stars
73
Forks
31
Open issues
0
Last commit (this folder)
Oct 13, 2026 (14 days ago)

From GitHub (fetched Oct 24, 2026).

Details

License
License unknown
Repository
github.com/sharkrebel/everything-everywhere-for-antigravity
First seen
Oct 24, 2026
Last checked
Oct 24, 2026
Source
GitHubgithub-graphql

Same skill elsewhere

Copies of this SKILL.md published by others; search shows only one of them.

More from sharkrebel

Cite this page

debug-optimize-lcp skill. Agent Mart. https://agentmart.dev/skills/sharkrebel-debug-optimize-lcp (last updated 2026-10-24)