Best Mozilla MCP Servers
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Why 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?
Uses Mozilla's Readability algorithm to extract and transform webpage content into clean Markdown by removing ads, navigation, footers and non-essential elements while preserving core content structure.
AlicenseAqualityFmaintenanceExtracts and transforms webpage content into clean, LLM-optimized Markdown. Returns article title, main content, excerpt, byline and site name. Uses Mozilla's Readability algorithm to remove ads, navigation, footers and non-essential elements while preserving the core content structure.131 npm17MITWhy 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.1920MITWhy this server?
Uses Mozilla Readability library to extract clean, readable content from web pages, removing clutter and formatting for better text extraction.
AlicenseBqualityCmaintenanceEnables web searching via DuckDuckGo and extracting readable content from any URL using Mozilla Readability, providing web context similar to Cursor's built-in functionality.239 npm5MITWhy 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.11,198 npm160MITWhy 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?
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.123 npm1-Why this server?
Uses Mozilla Readability library for intelligent content extraction and parsing from web pages
AlicenseBqualityDmaintenanceA local web scraping MCP server with RAG capabilities that provides intelligent web search, content extraction, and screenshot tools without requiring API keys.42 npmMITWhy this server?
Provides access to Mozilla's Searchfox code search service, enabling code search across Mozilla repositories (mozilla-central, autoland, beta, release, ESR branches, and comm-central) and retrieval of file contents from these repositories.
AlicenseBqualityDmaintenanceProvides access to Mozilla's Searchfox code search service, enabling AI assistants to search through Mozilla's codebases and retrieve file contents from repositories like mozilla-central, autoland, and ESR branches.23Apache 2.0