{"passport":{"unfragile":{"@version":"1.0","version":"2026-05","artifact":{"id":"awesome-open-sourced-mcp-servers-directory","slug":"open-sourced-mcp-servers-directory","name":"Open-Sourced MCP Servers Directory","type":"mcp","url":"https://github.com/chatmcp/mcp-directory","page_url":"https://unfragile.ai/open-sourced-mcp-servers-directory","categories":["mcp-servers"],"tags":[],"pricing":{"model":"open_source","free":true,"starting_price":null},"status":"active","verified":false},"capabilities":[{"id":"awesome-open-sourced-mcp-servers-directory__cap_0","uri":"capability://search.retrieval.mcp.server.discovery.and.categorization.via.curated.directory","name":"mcp server discovery and categorization via curated directory","description":"Implements a centralized web-based directory (mcp.so) that aggregates MCP servers submitted by the community, organizing them by category and making them searchable through a Next.js frontend backed by Supabase. The system accepts both GitHub URLs and raw JSON metadata, parses project information through a dedicated parseProject() service function, and stores normalized data in a relational schema with projects and categories tables for efficient querying and filtering.","intents":["I need to find MCP servers that provide specific capabilities like file access, API integration, or database connectivity","I want to browse all available MCP servers organized by use case or functionality","I'm looking for servers that integrate with particular tools or platforms I use"],"best_for":["AI developers building Claude-integrated applications who need to discover available MCP servers","Teams evaluating which MCP servers to connect to their AI workflows","Open-source contributors looking to share their MCP server implementations"],"limitations":["Directory relies on community submissions — coverage depends on adoption and awareness of the platform","Search functionality limited to keyword matching and category filtering — no semantic search across server capabilities","Real-time server availability and health status not monitored — directory reflects last-known state at submission time"],"requires":["Web browser with JavaScript enabled","Internet connectivity to access mcp.so","For submissions: GitHub repository URL or JSON metadata describing the MCP server"],"input_types":["GitHub repository URL","JSON metadata object with server name, description, repository, and category"],"output_types":["HTML/React UI with searchable server listings","Structured project data (name, description, category, repository link, installation instructions)"],"categories":["search-retrieval","memory-knowledge"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-open-sourced-mcp-servers-directory__cap_1","uri":"capability://data.processing.analysis.automated.mcp.server.metadata.extraction.and.enrichment","name":"automated mcp server metadata extraction and enrichment","description":"Processes submitted GitHub URLs or JSON payloads through a multi-stage extraction pipeline: parseProject() validates and normalizes input data, Jina AI extracts structured content from repository README and documentation, and OpenAI generates concise summaries and categorization. The enriched metadata is persisted to Supabase with fields for description, tags, installation instructions, and usage examples, enabling consistent presentation across the directory.","intents":["I want to submit my MCP server to the directory without manually writing lengthy descriptions","I need consistent, well-formatted metadata for all servers in the directory","I want to automatically extract key information like dependencies, installation steps, and capabilities from server repositories"],"best_for":["MCP server developers automating their project submission workflow","Directory maintainers ensuring consistent metadata quality across submissions","Teams building MCP server discovery tools that need standardized project information"],"limitations":["Jina AI extraction accuracy depends on README structure and documentation quality — poorly documented repos may yield incomplete metadata","OpenAI summarization adds ~2-5 second latency per submission and incurs API costs","Automatic categorization may misclassify servers with ambiguous or cross-cutting functionality","No support for non-English documentation — extraction and summarization optimized for English-language repos"],"requires":["Jina AI API access for content extraction","OpenAI API key with GPT-4 or GPT-3.5-turbo access for summarization","Supabase database instance with projects and categories tables","Valid GitHub repository URL or complete JSON metadata object"],"input_types":["GitHub repository URL (string)","JSON object with fields: name, description, repository, category, tags, installationInstructions"],"output_types":["Normalized project record with enriched metadata","Database entry in Supabase projects table with extracted summary, tags, and categorization"],"categories":["data-processing-analysis","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-open-sourced-mcp-servers-directory__cap_10","uri":"capability://text.generation.language.responsive.web.ui.with.next.js.pages.and.react.components","name":"responsive web ui with next.js pages and react components","description":"Implements the MCP Directory frontend using Next.js pages (Landing, Project Detail, Categories) and reusable React components (Search, Markdown Renderer, etc.), with responsive CSS for mobile, tablet, and desktop viewports. The architecture uses Next.js server-side rendering (SSR) or static generation (SSG) for performance and SEO, with client-side React components for interactive features like search and filtering. The UI layer communicates with backend API routes for data fetching and submission.","intents":["I want to browse the MCP Directory on my mobile phone or tablet","I need a fast, responsive interface for searching and discovering servers","I want the directory to load quickly and rank well in search engines"],"best_for":["End users accessing the directory through web browsers","Teams building web-based discovery interfaces for open-source tools","Developers optimizing for Core Web Vitals and SEO performance"],"limitations":["Responsive design requires CSS media queries and mobile-optimized components — complex layouts may not adapt well to all screen sizes","Client-side React components add JavaScript bundle size — slower initial page load on low-bandwidth connections","SSR/SSG requires server resources — high traffic may require caching or CDN optimization","No offline support — users must have internet connectivity to browse the directory"],"requires":["Node.js 14+ and npm/yarn for development","Next.js 12+ framework","React 17+ for component development","CSS framework or custom CSS for responsive styling"],"input_types":["User interactions: clicks, form submissions, URL navigation"],"output_types":["HTML/CSS/JavaScript rendered in browser","Responsive UI adapting to viewport size"],"categories":["text-generation-language","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-open-sourced-mcp-servers-directory__cap_11","uri":"capability://data.processing.analysis.database.schema.and.relational.data.modeling.with.supabase","name":"database schema and relational data modeling with supabase","description":"Implements data persistence using Supabase (PostgreSQL-based) with two primary tables: projects (storing MCP server metadata including name, description, repository URL, category, tags, installation instructions) and categories (defining the taxonomy for organizing servers). The schema includes proper indexing on frequently-queried fields (name, category, tags), foreign key relationships for referential integrity, and timestamp fields (created_at, updated_at) for tracking submission and modification times. The architecture supports full-text search through indexed text fields and enables efficient filtering and pagination.","intents":["I need to persist MCP server metadata reliably with ACID guarantees","I want to query servers by category, tags, and keywords efficiently","I need to track when servers were submitted and last updated"],"best_for":["Teams building production-grade directory platforms requiring data reliability","Developers needing SQL-based querying and complex filtering","Projects requiring real-time data synchronization and audit trails"],"limitations":["Supabase pricing scales with database size and query volume — very large directories may incur significant costs","PostgreSQL full-text search limited to indexed fields — complex semantic queries require external search infrastructure","No built-in versioning or audit logging — tracking changes requires additional application logic","Supabase availability depends on third-party service — no self-hosted option without migration"],"requires":["Supabase account and project","PostgreSQL knowledge for schema design and optimization","Environment variables for Supabase connection details (URL, API key)"],"input_types":["Project records with name, description, repository, category, tags, installationInstructions","Category records with name, description, icon"],"output_types":["Persisted database records with auto-generated IDs and timestamps","Query results for search, filtering, and pagination operations"],"categories":["data-processing-analysis","memory-knowledge"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-open-sourced-mcp-servers-directory__cap_2","uri":"capability://tool.use.integration.project.submission.and.validation.api.with.github.integration","name":"project submission and validation api with github integration","description":"Exposes Next.js API routes that accept POST requests with either a GitHub repository URL or raw JSON project metadata, validates input through a Project model with TypeScript type checking, and persists submissions to Supabase after enrichment. The API layer implements saveProject() to handle database writes, with support for both creation and updates, and includes error handling for invalid URLs, missing required fields, and API failures during enrichment.","intents":["I want to programmatically submit my MCP server to the directory via API","I need to validate that my server metadata meets directory requirements before submission","I want to update my server's information in the directory after initial submission"],"best_for":["MCP server developers integrating directory submission into their CI/CD pipelines","Third-party tools and dashboards that manage multiple MCP server submissions","Automation scripts that batch-submit or update server metadata"],"limitations":["API requires valid GitHub URL or complete JSON payload — partial submissions rejected","Rate limiting not explicitly documented — high-volume submissions may be throttled","No authentication/authorization layer visible — submissions may be open to spam without moderation","Synchronous enrichment pipeline blocks API response until Jina and OpenAI calls complete (~5-10 seconds)"],"requires":["HTTP client capable of POST requests with JSON payloads","Valid GitHub repository URL (for URL-based submissions) or complete JSON metadata object","Supabase database credentials configured in environment variables","Jina AI and OpenAI API keys configured for enrichment pipeline"],"input_types":["JSON POST body with either: {url: 'https://github.com/owner/repo'} or {name, description, repository, category, tags, installationInstructions}"],"output_types":["JSON response with submitted project record including generated ID, timestamps, and enriched metadata","HTTP 201 on success, 400 on validation error, 500 on enrichment failure"],"categories":["tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-open-sourced-mcp-servers-directory__cap_3","uri":"capability://search.retrieval.full.text.search.and.faceted.filtering.across.mcp.server.directory","name":"full-text search and faceted filtering across mcp server directory","description":"Implements search functionality through Next.js API endpoints that query the Supabase projects table using full-text search on server names, descriptions, and tags, combined with faceted filtering by category, tags, and other metadata fields. The frontend React components (Search component) provide UI for query input and filter selection, with results ranked by relevance and paginated for performance. The system maintains a denormalized schema with indexed text fields to enable fast queries across thousands of server entries.","intents":["I want to search for MCP servers by keyword (e.g., 'database', 'file access', 'API integration')","I need to filter servers by category to find tools for a specific use case","I want to discover servers with specific tags or capabilities without browsing the entire directory"],"best_for":["End users discovering MCP servers through the web interface","Developers building integrations that need to query available servers programmatically","Teams evaluating which servers meet their specific requirements"],"limitations":["Full-text search limited to indexed fields (name, description, tags) — does not search across README content or installation instructions","No semantic search capability — keyword matching only, cannot find servers by capability description alone","Faceted filtering requires pre-computed category and tag indices — adding new dimensions requires schema changes","Search performance degrades with very large directories (10k+ servers) without additional indexing strategies"],"requires":["Supabase database with full-text search indexes on projects table","React frontend with Search component for UI","Query parameters passed via URL or API request (q=query, category=filter, tags=filter)"],"input_types":["Search query string (text)","Category filter (string matching category table)","Tag filters (comma-separated strings)","Pagination parameters (page, limit)"],"output_types":["Paginated JSON array of matching project records","HTML/React UI with ranked search results and filter facets"],"categories":["search-retrieval"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-open-sourced-mcp-servers-directory__cap_4","uri":"capability://automation.workflow.dynamic.sitemap.generation.for.seo.and.search.engine.indexing","name":"dynamic sitemap generation for seo and search engine indexing","description":"Implements sitemap management APIs that dynamically generate XML sitemaps listing all MCP server project pages, with automatic updates triggered when new servers are submitted or existing ones are modified. The system maintains a sitemap index that references individual sitemaps (split by project count for Google compliance), with proper lastmod timestamps and priority values. Sitemaps are served at standard locations (/sitemap.xml, /sitemap-index.xml) for search engine crawlers to discover and index all directory content.","intents":["I want search engines to discover and index all MCP servers in the directory","I need to ensure that new server submissions are crawled quickly by Google and other search engines","I want to track which servers are most recently updated for SEO purposes"],"best_for":["MCP Directory maintainers optimizing for organic search traffic","Teams building SEO-critical discovery platforms for open-source tools","Search engine optimization specialists managing large community directories"],"limitations":["Sitemap generation adds latency to submission workflow — must regenerate on each new server","XML sitemap format limits to 50,000 URLs per file — requires splitting for very large directories","lastmod timestamps only reflect database update time, not actual content changes","No support for image or video sitemaps — only URL-based indexing"],"requires":["Next.js API route for sitemap generation","Supabase database query to fetch all projects with timestamps","Web server configured to serve XML with correct MIME type (application/xml)"],"input_types":["Implicit: all projects in Supabase database with created_at and updated_at timestamps"],"output_types":["XML sitemap file (application/xml) with <url>, <loc>, <lastmod>, <priority> elements","Sitemap index XML referencing multiple sitemaps if directory exceeds 50k entries"],"categories":["automation-workflow","search-retrieval"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-open-sourced-mcp-servers-directory__cap_5","uri":"capability://memory.knowledge.category.and.tag.taxonomy.management.with.hierarchical.organization","name":"category and tag taxonomy management with hierarchical organization","description":"Maintains a categories table in Supabase that defines the taxonomy for organizing MCP servers (e.g., 'Data Access', 'API Integration', 'Development Tools'), with support for hierarchical relationships and metadata like descriptions and icons. The system enforces referential integrity between projects and categories, allowing servers to be tagged with one or more categories. The frontend Categories page displays all available categories with server counts, enabling users to browse by functional area rather than keyword search.","intents":["I want to organize MCP servers by their primary function or use case","I need to browse all servers in a specific category without using search","I want to understand what types of MCP servers are available at a glance"],"best_for":["Directory maintainers designing the taxonomy for organizing servers","End users preferring browsing to search-based discovery","Teams building category-based navigation into MCP server discovery tools"],"limitations":["Flat category structure — no support for nested subcategories or hierarchies","Categories are manually maintained — no automatic categorization validation","Adding new categories requires database schema changes or admin interface","No category aliases or synonyms — users must know exact category names"],"requires":["Supabase categories table with id, name, description, icon fields","Foreign key relationship from projects table to categories","Next.js Categories page component for rendering category listings"],"input_types":["Category name (string)","Category description (text)","Icon/image reference (optional)"],"output_types":["HTML/React page listing all categories with server counts","JSON API response with category metadata and associated project counts"],"categories":["memory-knowledge","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-open-sourced-mcp-servers-directory__cap_6","uri":"capability://text.generation.language.project.detail.pages.with.markdown.rendering.and.installation.instructions","name":"project detail pages with markdown rendering and installation instructions","description":"Generates dynamic Next.js pages for each MCP server that display comprehensive project information including description, installation instructions, usage examples, and links to the source repository. The system renders markdown content (extracted from README files) using a Markdown Renderer component, with syntax highlighting for code blocks and proper formatting for nested lists and tables. Each project page includes metadata like creation date, last update, category, tags, and direct links to GitHub repository and installation documentation.","intents":["I want to view detailed information about a specific MCP server before installing it","I need to see installation instructions and usage examples for a server","I want to understand what capabilities and dependencies a server has"],"best_for":["End users evaluating whether a specific MCP server meets their needs","Developers looking for installation and configuration instructions","Teams reviewing server capabilities before integration"],"limitations":["Markdown rendering limited to basic formatting — advanced features like embedded videos or interactive components not supported","Installation instructions extracted from README may be incomplete or outdated if not maintained by server authors","No version history or changelog display — users see only current server state","Links to external documentation may break if repositories are moved or deleted"],"requires":["Next.js dynamic routing with [slug] parameter for project pages","Supabase project record with description, installationInstructions, and other metadata","Markdown Renderer React component for parsing and displaying markdown content"],"input_types":["Project slug or ID from URL parameter","Markdown content from project description or README"],"output_types":["HTML/React page with formatted project information, rendered markdown, and navigation links","Open Graph metadata for social sharing"],"categories":["text-generation-language","memory-knowledge"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-open-sourced-mcp-servers-directory__cap_7","uri":"capability://text.generation.language.multi.language.support.and.internationalization.i18n.infrastructure","name":"multi-language support and internationalization (i18n) infrastructure","description":"Implements i18n support through a pagejson/en.json configuration file that stores all user-facing text strings, enabling translation to additional languages without code changes. The system uses language-specific routing (e.g., /en, /fr) or locale detection to serve appropriate language variants. The architecture supports adding new languages by creating additional JSON files and updating the routing configuration, with fallback to English for missing translations.","intents":["I want the MCP Directory to be accessible to non-English speaking developers","I need to translate the directory interface to support my regional user base","I want to maintain consistent terminology across multiple language versions"],"best_for":["Global open-source projects targeting international developer communities","Teams expanding MCP Directory adoption to non-English speaking regions","Localization specialists managing multi-language content"],"limitations":["User-generated content (server descriptions, README content) not automatically translated — only UI strings","Translation maintenance burden increases with each new language — requires ongoing updates","No built-in translation management UI — translations must be manually edited in JSON files","Language detection based on URL routing or browser locale — no user preference persistence"],"requires":["pagejson/ directory with language-specific JSON files (en.json, fr.json, etc.)","Next.js routing configuration to handle language prefixes","Translation content for all UI strings in each supported language"],"input_types":["JSON translation files with key-value pairs (e.g., {\"search.placeholder\": \"Search MCP servers...\"})"],"output_types":["Localized HTML/React UI with appropriate language strings","Language-specific URLs and metadata"],"categories":["text-generation-language","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-open-sourced-mcp-servers-directory__cap_8","uri":"capability://data.processing.analysis.analytics.and.usage.tracking.for.directory.metrics","name":"analytics and usage tracking for directory metrics","description":"Integrates analytics tracking (likely Google Analytics or similar) to monitor user behavior including page views, search queries, category browsing patterns, and project detail page visits. The system collects anonymized metrics on which servers are most popular, which search terms drive traffic, and which categories receive the most interest. This data informs decisions about featured servers, category organization, and directory improvements without collecting personally identifiable information.","intents":["I want to understand which MCP servers are most popular in the community","I need to track how users discover servers (search vs. browsing vs. direct links)","I want to identify gaps in the directory based on search queries that return no results"],"best_for":["Directory maintainers optimizing user experience and content organization","MCP server developers understanding adoption and discoverability of their projects","Teams making data-driven decisions about featured servers and category structure"],"limitations":["Analytics data is aggregated and anonymized — cannot track individual user behavior","Search query analytics may reveal incomplete information if users refine queries multiple times","No real-time analytics — data typically available with 24-48 hour delay","Privacy-focused users with analytics blocking enabled are not tracked"],"requires":["Analytics service integration (Google Analytics, Plausible, or similar)","Analytics tracking code embedded in Next.js pages and components","Privacy policy disclosing analytics collection"],"input_types":["Implicit: user interactions (page views, clicks, searches) captured by analytics SDK"],"output_types":["Analytics dashboard with metrics on page views, search volume, popular servers, category traffic","Reports on user behavior patterns and directory engagement"],"categories":["data-processing-analysis","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-open-sourced-mcp-servers-directory__cap_9","uri":"capability://text.generation.language.open.graph.and.social.media.metadata.generation","name":"open graph and social media metadata generation","description":"Automatically generates Open Graph meta tags (og:title, og:description, og:image) for each project detail page, enabling rich previews when servers are shared on social media platforms like Twitter, LinkedIn, and Discord. The system includes project name, description, and optionally a generated or uploaded image in the metadata, with fallback to directory-level defaults for servers without custom images. This improves discoverability through social sharing and makes server links more visually appealing in social feeds.","intents":["I want to share an MCP server on social media with a rich preview","I need the directory to display nicely when shared in Slack, Discord, or Twitter","I want to increase visibility of specific servers through social sharing"],"best_for":["MCP server developers promoting their projects through social channels","Community members sharing interesting servers with colleagues","Teams building viral growth through social media sharing"],"limitations":["Open Graph image generation requires either pre-uploaded images or dynamic image generation service — no automatic screenshot capture","Social media platforms cache metadata — changes to og: tags may not reflect immediately in existing shares","No support for rich media like video previews — limited to static images and text","Different social platforms have different metadata requirements — single og: tags may not optimize for all platforms"],"requires":["Next.js Head component for injecting meta tags","Project metadata including title, description, and optional image URL","Image hosting for og:image URLs (Supabase Storage or external CDN)"],"input_types":["Project record with name, description, and image URL"],"output_types":["HTML meta tags in page <head>: og:title, og:description, og:image, og:url, og:type","Rich preview in social media platforms when link is shared"],"categories":["text-generation-language","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0}],"trust":{"score":28,"verified":false,"data_access_risk":"high","permissions":["Web browser with JavaScript enabled","Internet connectivity to access mcp.so","For submissions: GitHub repository URL or JSON metadata describing the MCP server","Jina AI API access for content extraction","OpenAI API key with GPT-4 or GPT-3.5-turbo access for summarization","Supabase database instance with projects and categories tables","Valid GitHub repository URL or complete JSON metadata object","Node.js 14+ and npm/yarn for development","Next.js 12+ framework","React 17+ for component development"],"failure_modes":["Directory relies on community submissions — coverage depends on adoption and awareness of the platform","Search functionality limited to keyword matching and category filtering — no semantic search across server capabilities","Real-time server availability and health status not monitored — directory reflects last-known state at submission time","Jina AI extraction accuracy depends on README structure and documentation quality — poorly documented repos may yield incomplete metadata","OpenAI summarization adds ~2-5 second latency per submission and incurs API costs","Automatic categorization may misclassify servers with ambiguous or cross-cutting functionality","No support for non-English documentation — extraction and summarization optimized for English-language repos","Responsive design requires CSS media queries and mobile-optimized components — complex layouts may not adapt well to all screen sizes","Client-side React components add JavaScript bundle size — slower initial page load on low-bandwidth connections","SSR/SSG requires server resources — high traffic may require caching or CDN optimization","builder identity is not verified yet","no observed match outcomes yet"],"rank_breakdown":{"adoption":0.05,"quality":0.34,"ecosystem":0.39999999999999997,"match_graph":0.25,"freshness":0.52,"weights":{"adoption":0.25,"quality":0.25,"ecosystem":0.15,"match_graph":0.23,"freshness":0.12}},"observed_outcomes":{"matches":0,"success_rate":0,"avg_confidence":0,"top_intents":[],"last_matched_at":null},"maintenance":{"status":"active","updated_at":"2026-06-17T09:51:03.579Z","last_scraped_at":"2026-05-03T14:00:18.053Z","last_commit":null},"community":{"stars":null,"forks":null,"weekly_downloads":null,"model_downloads":null,"model_likes":null}},"distribution":{"claim_url":"https://unfragile.ai/submit?claim=open-sourced-mcp-servers-directory","compare_url":"https://unfragile.ai/compare?artifact=open-sourced-mcp-servers-directory"}},"signature":"BDbKj2mjVdrM7SNwEKim42L6dzR+/NfzD/C0JuKgMzqhR7A8MFwdLYOTCZpbtOwWHQ50TqWaFxjHQD9bwUscBA==","signedAt":"2026-06-20T07:00:00.187Z","signedBy":"unfragile.ai","version":1},"_links":{"self":"https://unfragile.ai/api/v1/passport/open-sourced-mcp-servers-directory","artifact":"https://unfragile.ai/open-sourced-mcp-servers-directory","verify":"https://unfragile.ai/api/v1/verify?slug=open-sourced-mcp-servers-directory","publicKey":"https://unfragile.ai/api/v1/trust-passport-public-key","spec":"https://unfragile.ai/trust","schema":"https://unfragile.ai/schema.json","docs":"https://unfragile.ai/docs"}}