{"passport":{"unfragile":{"@version":"1.0","version":"2026-05","artifact":{"id":"github_mcp-basementstudio-xmcp","slug":"mcp-basementstudio-xmcp","name":"xmcp","type":"mcp","url":"https://github.com/basementstudio/xmcp","page_url":"https://unfragile.ai/mcp-basementstudio-xmcp","categories":["mcp-servers"],"tags":["framework","mcp","modelcontextprotocol","typescript"],"pricing":{"model":"open_source","free":true,"starting_price":null},"status":"active","verified":false},"capabilities":[{"id":"github_mcp-basementstudio-xmcp__cap_0","uri":"capability://automation.workflow.file.system.based.routing.for.mcp.tools.prompts.and.resources","name":"file system-based routing for mcp tools, prompts, and resources","description":"Automatically discovers and registers MCP tools, prompts, and resources by scanning the file system directory structure, eliminating manual route registration. The framework uses a convention-over-configuration approach where files in designated directories (e.g., src/tools/, src/prompts/, src/resources/) are automatically compiled into MCP-compatible handlers without explicit routing declarations. This pattern reduces boilerplate and enables hot-reloading during development by watching file changes and recompiling affected routes.","intents":["I want to add a new tool without manually registering it in a routes file","I need my MCP server to automatically discover new tools as I create files","I want to organize tools, prompts, and resources by directory without writing routing configuration"],"best_for":["TypeScript developers building MCP servers who prefer convention-based project structure","teams migrating from REST frameworks (Express, Next.js) expecting file-based routing","rapid prototyping scenarios where minimizing boilerplate accelerates iteration"],"limitations":["Directory structure must follow xmcp conventions; non-standard layouts require manual configuration","File naming conventions are strict (e.g., kebab-case or camelCase depending on context) and violations silently fail","No built-in support for dynamic route parameters in file paths; complex routing patterns require middleware"],"requires":["TypeScript 4.7+","Node.js 16+","File system access with read/write permissions for watch mode"],"input_types":["TypeScript files in designated directories","JSON/YAML configuration for routing overrides"],"output_types":["Compiled MCP tool/prompt/resource handlers","Runtime route registry"],"categories":["automation-workflow","code-generation-editing"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github_mcp-basementstudio-xmcp__cap_1","uri":"capability://automation.workflow.hot.reloading.development.server.with.file.watching","name":"hot-reloading development server with file watching","description":"Monitors source files for changes and automatically recompiles and reloads MCP handlers without requiring server restart, enabling rapid iteration during development. The framework watches designated directories (tools, prompts, resources) and triggers incremental compilation via webpack, then hot-swaps handler modules in the running process. This is implemented through a development-mode transport layer that intercepts file system events and coordinates recompilation with the MCP server lifecycle.","intents":["I want to edit a tool and see changes reflected immediately without restarting my server","I need fast feedback loops while developing MCP tools and testing with Claude","I want to avoid the context-switching overhead of stopping and restarting my development server"],"best_for":["solo developers and small teams building MCP servers iteratively","developers using xmcp in local development environments","rapid prototyping and experimentation with MCP tool definitions"],"limitations":["Hot-reload only works in development mode; production builds require full restart","Complex dependency graphs may cause stale module references if circular imports exist","Middleware and authentication state is not preserved across hot-reloads; requires manual state management","Watch mode adds ~50-100ms latency per file change before handler is available"],"requires":["Node.js 16+ with file system watch API support","Development environment (not production)","Write access to temporary compilation directories"],"input_types":["TypeScript source files","Configuration changes"],"output_types":["Reloaded MCP handler modules","Updated route registry"],"categories":["automation-workflow","developer-tools"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github_mcp-basementstudio-xmcp__cap_10","uri":"capability://code.generation.editing.example.projects.and.template.repository","name":"example projects and template repository","description":"Maintains a collection of 20+ example projects (in examples/ directory) demonstrating xmcp patterns, middleware implementations, transport configurations, and integrations with external services. Each example is a complete, runnable project that showcases specific xmcp features (e.g., authentication, custom middleware, serverless deployment). Examples serve as both learning resources and starting points for developers building similar applications.","intents":["I want to see working examples of how to implement authentication in xmcp","I need a reference implementation for deploying xmcp to serverless platforms","I want to understand how to build custom middleware for my specific use case"],"best_for":["developers learning xmcp by example","teams building similar applications and wanting reference implementations","developers troubleshooting issues by comparing their code to working examples"],"limitations":["Examples may lag behind framework updates; not all examples are guaranteed to work with the latest xmcp version","Examples are simplified for clarity; production deployments may require additional configuration","No interactive examples; developers must clone and run locally","Examples are TypeScript-only; no Python or other language examples"],"requires":["Node.js 16+","Git to clone examples","Understanding of the specific example's domain (e.g., AWS Lambda for serverless examples)"],"input_types":["Example project source code"],"output_types":["Runnable MCP server","Reference implementation"],"categories":["code-generation-editing","developer-tools"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github_mcp-basementstudio-xmcp__cap_11","uri":"capability://tool.use.integration.plugin.system.for.extending.framework.capabilities","name":"plugin system for extending framework capabilities","description":"Provides a plugin architecture (packages/plugins/*) that allows third-party developers to extend xmcp with additional functionality without modifying the core framework. 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The plugin system uses a standard interface that plugins implement, and the framework automatically discovers and loads plugins from the node_modules directory or explicit configuration.","intents":["I want to add authentication via a third-party provider (e.g., better-auth) without forking xmcp","I need to integrate xmcp with external services (e.g., Polar for payments) as a plugin","I want to share custom middleware or transport adapters across multiple projects via npm"],"best_for":["teams building reusable extensions for xmcp","developers integrating xmcp with third-party services","organizations standardizing on xmcp with custom extensions"],"limitations":["Plugin interface is not fully documented; requires reading framework source code to understand extension points","No plugin marketplace or registry; discovery is manual","Plugin conflicts are not automatically detected; developers must manage compatibility manually","Plugin loading order matters and is not validated; incorrect ordering can cause silent failures"],"requires":["TypeScript 4.7+","Understanding of xmcp plugin interface","npm or pnpm to publish plugins"],"input_types":["Plugin implementation (TypeScript module)"],"output_types":["Extended framework capabilities","Middleware, authentication providers, or transport adapters"],"categories":["tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github_mcp-basementstudio-xmcp__cap_12","uri":"capability://automation.workflow.monorepo.structure.with.pnpm.workspaces","name":"monorepo structure with pnpm workspaces","description":"Organizes the xmcp project as a pnpm monorepo with separate packages for the core framework (packages/xmcp), CLI tools (packages/create-xmcp-app, packages/init-xmcp), plugins (packages/plugins/*), documentation website (apps/website), and examples (examples/*). This structure enables independent versioning and publishing of each package while maintaining shared dependencies and coordinated development. pnpm workspaces handle dependency resolution and linking, reducing duplication and ensuring consistency across packages.","intents":["I want to contribute to xmcp and understand how the project is organized","I need to develop a plugin independently while testing against the core framework","I want to understand the relationship between xmcp packages and how they're versioned"],"best_for":["contributors to the xmcp project","developers building plugins who want to test against multiple xmcp versions","teams maintaining multiple related packages with shared dependencies"],"limitations":["pnpm is required; npm or yarn may not work correctly with the monorepo structure","Monorepo complexity increases development setup time for new contributors","Cross-package dependency changes require careful coordination to avoid breaking changes","Publishing individual packages requires manual versioning and changelog management"],"requires":["pnpm 7+","Node.js 16+","Git for version control"],"input_types":["Package source code","pnpm configuration (pnpm-workspace.yaml)"],"output_types":["Linked packages in node_modules","Published npm packages"],"categories":["automation-workflow","developer-tools"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github_mcp-basementstudio-xmcp__cap_2","uri":"capability://tool.use.integration.multi.transport.protocol.support.http.stdio.serverless.adapters","name":"multi-transport protocol support (http, stdio, serverless adapters)","description":"Abstracts MCP server implementation from transport protocol, allowing the same tool/prompt/resource definitions to be deployed via HTTP, STDIO, or serverless platforms (AWS Lambda, Vercel Functions) without code changes. The framework defines a transport interface that handles protocol-specific serialization, request routing, and response formatting. Each transport (http.ts, stdio.ts, adapters/) implements this interface, and the core framework compiles tools into a transport-agnostic handler registry that each transport consumes.","intents":["I want to deploy my MCP server as both an HTTP endpoint and STDIO process without duplicating tool code","I need to run my MCP tools on serverless platforms like AWS Lambda or Vercel Functions","I want to switch transports (e.g., from STDIO to HTTP) without rewriting my tool implementations"],"best_for":["teams deploying MCP servers across multiple environments (local, cloud, serverless)","developers building MCP tools that need to work with different Claude client configurations","organizations standardizing on a single MCP codebase deployed via multiple transports"],"limitations":["Transport-specific features (e.g., HTTP headers, STDIO environment variables) require conditional logic in middleware","Serverless adapters have cold-start overhead (~500ms-2s) that STDIO/HTTP don't incur","Streaming responses are not uniformly supported across all transports; HTTP streaming requires specific client support","Authentication mechanisms must be implemented per-transport (API keys for HTTP, environment variables for STDIO)"],"requires":["TypeScript 4.7+","Node.js 16+ for STDIO/HTTP; AWS SDK or Vercel SDK for serverless adapters","Environment-specific configuration (port for HTTP, function handler for serverless)"],"input_types":["MCP tool/prompt/resource definitions (transport-agnostic)","Transport-specific configuration (port, handler path, etc.)"],"output_types":["HTTP server (Express-compatible)","STDIO process","Serverless function handler"],"categories":["tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github_mcp-basementstudio-xmcp__cap_3","uri":"capability://safety.moderation.middleware.and.authentication.extensibility.system","name":"middleware and authentication extensibility system","description":"Provides a middleware pipeline architecture that intercepts MCP requests before they reach tool handlers, enabling authentication, logging, rate-limiting, and request transformation. Middleware is implemented as composable functions that receive the request context (including authentication state) and can modify or reject requests before handler execution. The framework includes built-in middleware for API key validation (api-key.ts) and JWT verification (jwt.ts), and allows custom middleware to be registered globally or per-tool via configuration.","intents":["I want to require API key authentication for my MCP server without modifying every tool","I need to implement JWT-based authentication for enterprise deployments","I want to add request logging, rate-limiting, or custom validation logic that applies to all tools"],"best_for":["teams deploying MCP servers in production requiring authentication and access control","developers building multi-tenant MCP services with per-user authentication","organizations needing audit logging and request tracking across all MCP tools"],"limitations":["Middleware execution adds latency (~10-50ms per middleware) that compounds with multiple middleware in the pipeline","No built-in rate-limiting implementation; requires custom middleware or external service integration","Authentication state is not automatically persisted across hot-reloads; requires external session store","Middleware order matters and is not validated; incorrect ordering can silently bypass security checks"],"requires":["TypeScript 4.7+","Understanding of middleware patterns (similar to Express.js)","For JWT: secret key or public key for verification","For API key: key storage mechanism (environment variables, database, etc.)"],"input_types":["MCP request context (tool name, parameters, headers)","Authentication credentials (API key, JWT token, etc.)"],"output_types":["Modified request context with authentication state","Rejection response if authentication fails"],"categories":["safety-moderation","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github_mcp-basementstudio-xmcp__cap_4","uri":"capability://code.generation.editing.typescript.first.type.system.for.mcp.tools.prompts.and.resources","name":"typescript-first type system for mcp tools, prompts, and resources","description":"Provides TypeScript interfaces and type definitions that enable compile-time validation of MCP tool signatures, parameter schemas, and response types. The framework exports core types (Tool, Prompt, Resource, etc.) that developers use to define MCP artifacts with full IDE autocomplete and type checking. Tool parameters are defined as TypeScript types, which are automatically converted to JSON Schema for MCP protocol compliance, ensuring type safety from development through runtime.","intents":["I want IDE autocomplete and type checking when defining MCP tools and their parameters","I need to ensure my tool parameter types match the JSON Schema expected by MCP clients","I want compile-time validation that my tool definitions are MCP-compliant"],"best_for":["TypeScript developers building MCP servers who value type safety","teams with strict code quality standards requiring compile-time validation","projects where IDE support and autocomplete significantly improve developer velocity"],"limitations":["TypeScript-only; no Python or JavaScript support without transpilation","Complex parameter types (unions, generics) may not map cleanly to JSON Schema; requires manual schema overrides","Type inference from TypeScript to JSON Schema is not bidirectional; changes to JSON Schema don't update TypeScript types","Runtime type validation is not automatic; requires explicit validation middleware or zod/io-ts integration"],"requires":["TypeScript 4.7+","TypeScript compiler in the build pipeline","Understanding of TypeScript generics and utility types"],"input_types":["TypeScript type definitions","Tool/prompt/resource interface implementations"],"output_types":["JSON Schema for MCP protocol","Compiled JavaScript with type information stripped"],"categories":["code-generation-editing","developer-tools"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github_mcp-basementstudio-xmcp__cap_5","uri":"capability://automation.workflow.cli.scaffolding.and.project.initialization.create.xmcp.app.init.xmcp","name":"cli scaffolding and project initialization (create-xmcp-app, init-xmcp)","description":"Provides two CLI tools for bootstrapping MCP projects: create-xmcp-app generates a new project from templates with pre-configured tools, prompts, and resources; init-xmcp integrates xmcp into existing projects (Next.js, Express) by adding necessary dependencies and configuration. Both tools use template files (in packages/create-xmcp-app/templates/) to generate starter code, tsconfig.json, and package.json with appropriate dependencies. The CLIs handle dependency installation and provide interactive prompts to customize project setup.","intents":["I want to quickly scaffold a new MCP server project without manually setting up TypeScript, dependencies, and folder structure","I want to add MCP capabilities to my existing Next.js or Express application","I need starter templates with example tools and prompts to understand xmcp patterns"],"best_for":["developers new to xmcp who need a quick start","teams standardizing on xmcp and wanting consistent project structure","developers integrating MCP into existing Node.js applications"],"limitations":["Templates are opinionated; significant customization requires manual editing after scaffolding","init-xmcp may conflict with existing configurations in Next.js or Express projects; requires manual conflict resolution","No support for monorepo scaffolding; each project is generated independently","Templates are TypeScript-only; no JavaScript or other language support"],"requires":["Node.js 16+","npm or pnpm package manager","For init-xmcp: existing Next.js or Express project"],"input_types":["Interactive CLI prompts (project name, template choice, etc.)","Existing project directory (for init-xmcp)"],"output_types":["New project directory with scaffolded files","Updated package.json and tsconfig.json","Example tool/prompt/resource files"],"categories":["automation-workflow","developer-tools"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github_mcp-basementstudio-xmcp__cap_6","uri":"capability://automation.workflow.webpack.based.compilation.system.with.incremental.builds","name":"webpack-based compilation system with incremental builds","description":"Uses webpack as the build system to compile TypeScript tools, prompts, and resources into optimized bundles for each transport target. The compilation pipeline (packages/xmcp/src/compiler) handles TypeScript transpilation, module bundling, and transport-specific code generation. Incremental builds are supported through webpack's caching mechanism, allowing only changed files to be recompiled during development. The compiler also generates type definitions and JSON Schema from TypeScript types, ensuring MCP protocol compliance.","intents":["I want my MCP tools compiled into optimized bundles for deployment","I need fast incremental builds during development to support hot-reloading","I want automatic JSON Schema generation from my TypeScript tool definitions"],"best_for":["teams deploying MCP servers to production requiring optimized bundles","developers using xmcp in monorepo setups where incremental builds are critical","projects with complex tool dependencies that benefit from webpack's bundling"],"limitations":["Webpack configuration is abstracted; customization requires deep framework knowledge","Build times increase with project size; no built-in parallelization across multiple tools","Source maps are generated but may be large for complex projects; requires careful configuration for production","Circular dependencies in tool modules can cause webpack bundling errors; requires refactoring to resolve"],"requires":["Node.js 16+","TypeScript 4.7+","Webpack 5+ (bundled with xmcp)"],"input_types":["TypeScript source files","Configuration files (tsconfig.json, webpack config overrides)"],"output_types":["Compiled JavaScript bundles","Type definition files (.d.ts)","JSON Schema files for tools/prompts/resources"],"categories":["automation-workflow","code-generation-editing"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github_mcp-basementstudio-xmcp__cap_7","uri":"capability://tool.use.integration.integration.with.next.js.and.express.frameworks","name":"integration with next.js and express frameworks","description":"Provides adapters and middleware that allow xmcp servers to run as part of Next.js API routes or Express applications, rather than as standalone processes. The framework exports adapters that wrap MCP handlers in Next.js request/response handlers or Express middleware, enabling MCP tools to coexist with other API endpoints in the same application. This allows developers to gradually adopt MCP without migrating their entire backend infrastructure.","intents":["I want to add MCP tools to my existing Next.js application without running a separate server","I need to expose MCP tools via my Express API alongside other endpoints","I want to share authentication and middleware between my existing API and MCP tools"],"best_for":["teams with existing Next.js or Express applications adding MCP capabilities","developers wanting to avoid operational complexity of managing separate MCP servers","projects where MCP tools need to share authentication and middleware with existing APIs"],"limitations":["Next.js integration only works with API routes; App Router support requires custom adapters","Shared middleware between Next.js/Express and MCP may have subtle behavioral differences due to framework differences","Streaming responses in Next.js have different semantics than standalone MCP servers; requires careful handling","Deployment complexity increases because MCP server lifecycle is tied to the main application"],"requires":["Next.js 12+ or Express 4+","TypeScript 4.7+","Understanding of Next.js API routes or Express middleware"],"input_types":["Next.js API route handlers or Express middleware","MCP tool definitions"],"output_types":["Next.js API route handler","Express middleware function"],"categories":["tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github_mcp-basementstudio-xmcp__cap_8","uri":"capability://tool.use.integration.mcp.server.execution.engine.with.request.routing","name":"mcp server execution engine with request routing","description":"Implements the core MCP protocol server that receives requests from Claude and other MCP clients, routes them to appropriate tool/prompt/resource handlers, and returns responses in MCP format. The execution engine maintains a registry of available tools, prompts, and resources (populated by the file-based routing system), validates incoming requests against tool schemas, and coordinates handler execution with middleware and authentication. The engine handles MCP protocol details (request/response serialization, error handling, capability negotiation) transparently.","intents":["I want my MCP tools to be discoverable and callable by Claude and other MCP clients","I need proper error handling and MCP-compliant responses for all tool invocations","I want the framework to handle MCP protocol details so I can focus on tool logic"],"best_for":["developers building MCP servers that need to support multiple MCP clients","teams requiring robust error handling and MCP protocol compliance","projects where MCP protocol details should be abstracted away from tool developers"],"limitations":["Request routing is based on exact tool name matching; no pattern-based routing or wildcards","Error responses follow MCP format but custom error codes require middleware implementation","Capability negotiation is automatic but limited; advanced MCP features may require custom implementation","No built-in request deduplication; duplicate requests are processed independently"],"requires":["TypeScript 4.7+","Node.js 16+","MCP client (Claude, etc.) to invoke tools"],"input_types":["MCP request messages (tool calls, prompt requests, resource requests)","Tool/prompt/resource definitions from file-based routing"],"output_types":["MCP response messages (tool results, prompt content, resources)","Error responses in MCP format"],"categories":["tool-use-integration","planning-reasoning"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github_mcp-basementstudio-xmcp__cap_9","uri":"capability://text.generation.language.documentation.website.with.ai.chat.and.search","name":"documentation website with ai chat and search","description":"Hosts a Next.js-based documentation site (apps/website) with integrated AI chat powered by Claude, full-text search, and interactive examples. The site is built with Next.js and includes a custom search implementation and an AI chat feature that allows users to ask questions about xmcp and get contextual answers. The documentation is sourced from markdown files and indexed for search, and the site includes a showcase of example projects built with xmcp.","intents":["I want to learn how to use xmcp through interactive documentation and examples","I need to search the xmcp documentation to find specific features or patterns","I want to ask questions about xmcp and get AI-powered answers based on the documentation"],"best_for":["developers new to xmcp learning the framework","teams evaluating xmcp and wanting to understand capabilities","users seeking quick answers about xmcp features without reading full documentation"],"limitations":["AI chat is powered by Claude and requires API access; may have rate limits or costs","Search is full-text only; no semantic search or advanced query syntax","Documentation is static and requires manual updates; no automatic sync with code changes","Interactive examples are read-only; no live code execution environment"],"requires":["Web browser with JavaScript enabled","Internet connection to access documentation site"],"input_types":["Search queries","Chat messages"],"output_types":["Documentation pages","Search results","AI chat responses"],"categories":["text-generation-language","search-retrieval"],"confidence":0.5,"matches":0,"success_rate":0}],"trust":{"score":42,"verified":false,"data_access_risk":"high","permissions":["TypeScript 4.7+","Node.js 16+","File system access with read/write permissions for watch mode","Node.js 16+ with file system watch API support","Development environment (not production)","Write access to temporary compilation directories","Git to clone examples","Understanding of the specific example's domain (e.g., AWS Lambda for serverless examples)","Understanding of xmcp plugin interface","npm or pnpm to publish plugins"],"failure_modes":["Directory structure must follow xmcp conventions; non-standard layouts require manual configuration","File naming conventions are strict (e.g., kebab-case or camelCase depending on context) and violations silently fail","No built-in support for dynamic route parameters in file paths; complex routing patterns require middleware","Hot-reload only works in development mode; production builds require full restart","Complex dependency graphs may cause stale module references if circular imports exist","Middleware and authentication state is not preserved across hot-reloads; requires manual state management","Watch mode adds ~50-100ms latency per file change before handler is available","Examples may lag behind framework updates; not all examples are guaranteed to work with the latest xmcp version","Examples are simplified for clarity; production deployments may require additional configuration","No interactive examples; developers must clone and run locally","builder identity is not verified yet","no observed match outcomes yet"],"rank_breakdown":{"adoption":0.43267062144753454,"quality":0.35,"ecosystem":0.52,"match_graph":0.25,"freshness":0.75,"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":"2026-05-24T12:16:22.064Z","last_scraped_at":"2026-05-03T14:23:38.364Z","last_commit":"2026-05-01T18:18:25Z"},"community":{"stars":1248,"forks":83,"weekly_downloads":null,"model_downloads":null,"model_likes":null}},"distribution":{"claim_url":"https://unfragile.ai/submit?claim=mcp-basementstudio-xmcp","compare_url":"https://unfragile.ai/compare?artifact=mcp-basementstudio-xmcp"}},"signature":"GLWADRc5u+F0oiIPx6UBPDnLesj/9W4khR4NArILXapMUb9Nq3HLiTM7EWttq/KlSZgijhEKC+ps8zCxdLc0Cg==","signedAt":"2026-06-19T19:10:13.769Z","signedBy":"unfragile.ai","version":1},"_links":{"self":"https://unfragile.ai/api/v1/passport/mcp-basementstudio-xmcp","artifact":"https://unfragile.ai/mcp-basementstudio-xmcp","verify":"https://unfragile.ai/api/v1/verify?slug=mcp-basementstudio-xmcp","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"}}