Skill
browser-automation
This skill should be used when the user asks about browser automation, testing web pages, extracting content, filling forms, taking screenshots, or monitoring…
@mozillaView SkillAutomation
Skill
/debug
Show console errors and failed network requests
Install
$ npx -y skills add mozilla/firefox-devtools-mcp --skill debug --agent claude-codeHow it fires
How this skill gets triggered: by you, by Claude, or both.
- Fires itselfAuto-invocation. Claude auto-loads it when your prompt matches the work.Auto-invocation is when the right skill fires by itself at the right moment, driven by a FLOW.md router and a hook, instead of you invoking it by name. It is the difference between a skill being installed and a skill actually getting used.Read the full definition →
- You can call itInvoke it directly when you want it.
- Slash command
/debug
Context preview
The summary Claude sees to decide when to auto-load this skill.
Show console errors and failed network requests
SKILL.md
debug.SKILL.mdname: debug description: Show console errors and failed network requests argument-hint: [console|network|all] disable-model-invocation: true
/firefox-devtools-mcp:debug
Displays debugging information from the current page.
Usage
/firefox-devtools-mcp:debug # Show all (console errors + failed requests) /firefox-devtools-mcp:debug console # Console messages only /firefox-devtools-mcp:debug network # Network requests only
Examples
/firefox-devtools-mcp:debug /firefox-devtools-mcp:debug console /firefox-devtools-mcp:debug network
What Happens
- `console`: Calls `list_console_messages` with `level="error"`
- `network`: Calls `list_network_requests` with `statusMin=400`
- `all` (default): Shows both console errors and failed network requests
Requires Firefox to already be running and on the page you want to debug. If Firefox is not running or is on about:blank, call `navigate_page` first.
Ships withfirefox-devtools-mcp
Model Context Protocol server for automating Firefox via WebDriver BiDi (through Selenium WebDriver). Works with Claude Code, Claude Desktop, Cursor, Cline and other MCP clients.
Get the whole plugin
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Stars
61
Forks
Active
Maintenance
TypeScript
Language
10h ago
Last commit
11mo ago
Created
Repo: mozilla/firefox-devtools-mcp
Other skills on firefox-devtools-mcp.
@mozillaView SkillSkill
Skill
Skill
web-performance
Find and fix why a website is slow by capturing and analyzing a Firefox performance profile, or by analyzing a profile the user already has (a saved file or a…
@mozillaView Skill