Best Mozilla MCP Servers
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Why this server?
Enables security analysis through Mozilla Observatory API, testing HTTP security headers, CSP policies, HSTS configuration, and overall security posture of websites.
AlicenseBqualityNot gradedmaintenanceProvides comprehensive website validation across performance, accessibility, SEO, and security dimensions using multiple testing services including WebPageTest, Google PageSpeed Insights, Axe DevTools, Mozilla Observatory, and SSL Labs. Enables automated website health assessments through browser automation and API integrations.2123 npm1-Why this server?
Leverages Mozilla Readability (same technology as Firefox Reader View) for effective content extraction from web pages.
AlicenseAqualityBmaintenanceFast, token-efficient web content extraction tool that converts websites to clean Markdown for AI agents, featuring smart caching, content extraction with Mozilla Readability, and polite crawling capabilities.1844 npm163MITWhy this server?
Uses Mozilla Readability library to strip boilerplate content from web pages and convert them to clean Markdown for LLM consumption in the scrape_url tool.
AlicenseAqualityDmaintenanceA comprehensive MCP server providing 15 web tools including search, scraping, screenshots, SEO audits, and DNS/SSL checks through a single installation. It delivers clean, LLM-optimized outputs so AI agents can focus on reasoning rather than parsing raw HTML.1511 npmMITWhy this server?
Integrates with Mozilla Developer Network (MDN) documentation to fetch accurate CSS property information, browser compatibility data, and implementation examples.
AlicenseAqualityFmaintenanceThis server integrates with Mozilla Developer Network (MDN) documentation to suggest CSS properties, check browser support, and provide implementation guidance with user consent mechanisms.41 npm4MITWhy this server?
Fetches documentation from developer.mozilla.org and converts to Markdown.
AlicenseAqualityDmaintenanceActs as the 'Hands and Eyes' for an Autonomous AI Agent, bridging Large Language Models and your local development environment to enable safe file manipulation, context reading, command execution, and documentation verification.92ISCWhy this server?
Implements the Mozilla cq open standard as a content-safe node, enabling content safety benchmarking for agent knowledge pools.
AlicenseAqualityBmaintenanceA Stack Overflow for Claude Code agents — a shared pool of solved-problem fixes.An agent hits an error, calls ask_pool for ranked prior fixes; solves something new, calls post_solution. Semantic search + write-time content shield. Free, Apache-2.0.91Apache 2.0Why this server?
Read-only access to Mozilla's Bugzilla instance, allowing agents to inspect bug reports, comments, change history, attachments, related-bug graphs, product/component metadata, and user lookups (private bugs and user queries require an API key).
AlicenseAqualityCmaintenanceEnables AI agents to query Firefox's Bugzilla tracker for bugs, comments, history, attachments, dependency/duplicate graphs, and product/component/field metadata. It is read-only and works without credentials for public bugs, with an optional API key for private bugs and user lookups.12MITWhy this server?
Supports opening Mozilla Developer Network documentation and other URLs through terminal integration.
AlicenseBqualityDmaintenanceA comprehensive guide and template collection for building model Context Protocol (MCP) servers using FastMCP and deploying them to Google Cloud Run.12Apache 2.0Why this server?
Provides integration with Mozilla's rr tool for replay debugging of Go programs, allowing historical execution tracing and analysis.
AlicenseBqualityCmaintenanceA TypeScript-based MCP server providing a complete interface to the Delve debugger for Go programs, enabling debugging, tracing, and analyzing Go code through natural language commands.1921MIT