{"passport":{"unfragile":{"@version":"1.0","version":"2026-05","artifact":{"id":"npm_npm-gleanworkmcp-server-utils","slug":"npm-gleanworkmcp-server-utils","name":"@gleanwork/mcp-server-utils","type":"mcp","url":"https://www.npmjs.com/package/@gleanwork/mcp-server-utils","page_url":"https://unfragile.ai/npm-gleanworkmcp-server-utils","categories":["mcp-servers"],"tags":["mcp","mcp-server"],"pricing":{"model":"open_source","free":true,"starting_price":null},"status":"active","verified":false},"capabilities":[{"id":"npm_npm-gleanworkmcp-server-utils__cap_0","uri":"capability://tool.use.integration.mcp.server.lifecycle.management.utilities","name":"mcp server lifecycle management utilities","description":"Provides standardized initialization, configuration, and shutdown patterns for MCP server implementations. Abstracts common server setup tasks including resource initialization, error handling, and graceful termination, reducing boilerplate across multiple MCP server packages. Works by exposing utility functions that wrap the MCP protocol's server lifecycle hooks and provide consistent patterns for state management.","intents":["I need to quickly scaffold a new MCP server without reimplementing initialization logic","I want consistent error handling and logging patterns across multiple MCP servers in my organization","I need to ensure proper resource cleanup and graceful shutdown across all my MCP server instances"],"best_for":["teams building multiple MCP servers who want to standardize initialization patterns","developers creating MCP server packages for distribution","organizations maintaining internal MCP server infrastructure"],"limitations":["Limited to Node.js/TypeScript ecosystem — no Python or other language support","Abstractions may obscure underlying MCP protocol details for advanced use cases","No built-in persistence layer — state management requires external integration"],"requires":["Node.js 16+","@modelcontextprotocol/sdk or compatible MCP server package","TypeScript 4.5+ (for type definitions)"],"input_types":["MCP server configuration objects","initialization parameters","resource definitions"],"output_types":["initialized MCP server instance","lifecycle event handlers","configuration validation results"],"categories":["tool-use-integration","mcp-server-framework"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-gleanworkmcp-server-utils__cap_1","uri":"capability://tool.use.integration.mcp.tool.resource.schema.validation.and.registration","name":"mcp tool/resource schema validation and registration","description":"Validates and registers MCP tool and resource definitions against the MCP protocol schema, ensuring type safety and protocol compliance before server startup. Implements schema validation using JSON Schema or similar mechanisms to catch configuration errors early, and provides a registry pattern for managing multiple tools/resources within a single server instance.","intents":["I want to validate my tool definitions match the MCP protocol spec before deploying","I need a centralized registry to manage all tools and resources exposed by my MCP server","I want type-safe tool definitions with IDE autocomplete and compile-time checking"],"best_for":["MCP server developers building complex multi-tool servers","teams enforcing strict protocol compliance across MCP implementations","developers using TypeScript who want compile-time validation"],"limitations":["Validation happens at registration time, not runtime — dynamic tool generation requires manual validation","Schema validation adds startup latency proportional to number of tools/resources","No support for custom validation rules beyond MCP protocol spec"],"requires":["Node.js 16+","@modelcontextprotocol/sdk","TypeScript 4.5+ (recommended for type safety)"],"input_types":["tool definition objects","resource schema definitions","JSON Schema validators"],"output_types":["validated tool registry","validation error reports","type-safe tool references"],"categories":["tool-use-integration","safety-moderation"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-gleanworkmcp-server-utils__cap_2","uri":"capability://automation.workflow.standardized.mcp.error.handling.and.logging","name":"standardized mcp error handling and logging","description":"Provides consistent error handling middleware and structured logging utilities for MCP servers, including error serialization, context propagation, and protocol-compliant error responses. Implements patterns for capturing request context, formatting errors according to MCP protocol specifications, and routing logs to appropriate destinations with configurable verbosity levels.","intents":["I need consistent error formatting across all my MCP servers for easier debugging","I want structured logs that include request context and error traces for production monitoring","I need to ensure error responses comply with the MCP protocol specification"],"best_for":["teams operating multiple MCP servers in production","developers building MCP servers with complex error scenarios","organizations requiring centralized logging and error tracking"],"limitations":["Logging output format is opinionated — customization requires extending base classes","No built-in integration with external logging services — requires manual setup","Context propagation relies on async context tracking which may have overhead in high-throughput scenarios"],"requires":["Node.js 16+","@modelcontextprotocol/sdk","optional: external logging service (e.g., Datadog, CloudWatch)"],"input_types":["Error objects","request context objects","log level specifications"],"output_types":["formatted error responses","structured log entries","error telemetry data"],"categories":["automation-workflow","safety-moderation"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-gleanworkmcp-server-utils__cap_3","uri":"capability://tool.use.integration.mcp.request.response.middleware.pipeline","name":"mcp request/response middleware pipeline","description":"Implements a composable middleware pattern for intercepting and transforming MCP requests and responses, enabling cross-cutting concerns like authentication, rate limiting, request validation, and response transformation. Works by providing a middleware registration API that chains handlers in order, with each handler able to inspect, modify, or reject requests/responses before passing to the next handler.","intents":["I want to add authentication/authorization checks to all MCP tool calls without modifying each tool handler","I need to implement rate limiting across my MCP server","I want to transform or validate all requests and responses consistently"],"best_for":["MCP server developers implementing cross-cutting security concerns","teams needing consistent request/response transformation across multiple tools","developers building MCP servers with complex middleware requirements"],"limitations":["Middleware execution adds latency per request — deep middleware chains can impact performance","Error handling in middleware can be complex — exceptions in one middleware may affect subsequent handlers","No built-in middleware for common patterns like authentication — requires custom implementation"],"requires":["Node.js 16+","@modelcontextprotocol/sdk","understanding of middleware patterns and async/await"],"input_types":["MCP request objects","middleware handler functions","configuration objects"],"output_types":["transformed MCP requests","transformed MCP responses","middleware execution results"],"categories":["tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-gleanworkmcp-server-utils__cap_4","uri":"capability://code.generation.editing.type.safe.mcp.tool.definition.builder","name":"type-safe mcp tool definition builder","description":"Provides a fluent API for constructing type-safe MCP tool definitions with input schema validation, parameter type checking, and IDE autocomplete support. Uses TypeScript generics and builder patterns to ensure tool definitions are validated at compile-time and runtime, reducing errors from schema mismatches between tool definition and implementation.","intents":["I want to define MCP tools with full TypeScript type safety and IDE autocomplete","I need to ensure my tool input schemas match my handler function signatures","I want compile-time validation that my tool definitions are correct"],"best_for":["TypeScript-first MCP server developers","teams prioritizing type safety and developer experience","developers building complex tools with many parameters"],"limitations":["TypeScript-only — no JavaScript support without type annotations","Builder API adds abstraction layer that may obscure underlying MCP schema details","Complex generic types may cause slower TypeScript compilation in large projects"],"requires":["TypeScript 4.5+","Node.js 16+","@modelcontextprotocol/sdk"],"input_types":["tool name and description strings","parameter type definitions","input schema objects"],"output_types":["type-safe tool definition objects","typed handler function signatures","validation results"],"categories":["code-generation-editing","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-gleanworkmcp-server-utils__cap_5","uri":"capability://memory.knowledge.mcp.resource.management.and.caching","name":"mcp resource management and caching","description":"Provides utilities for managing MCP resource lifecycle, including resource discovery, lazy loading, and caching strategies to reduce redundant operations. Implements patterns for registering resource providers, managing resource state, and invalidating caches based on time or event triggers, enabling efficient resource serving without repeated expensive operations.","intents":["I want to cache expensive resource operations to improve MCP server performance","I need to manage the lifecycle of resources that require initialization and cleanup","I want to implement resource discovery without hardcoding all available resources"],"best_for":["MCP servers serving large numbers of resources","developers implementing resource providers with expensive operations","teams needing efficient resource caching strategies"],"limitations":["Cache invalidation strategies are opinionated — custom invalidation logic requires extension","No distributed caching support — caching is in-process only","Memory usage grows with cache size — no automatic eviction policies"],"requires":["Node.js 16+","@modelcontextprotocol/sdk","understanding of resource lifecycle patterns"],"input_types":["resource provider functions","cache configuration objects","resource identifiers"],"output_types":["cached resource objects","resource metadata","cache statistics"],"categories":["memory-knowledge","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0}],"trust":{"score":24,"verified":false,"data_access_risk":"high","permissions":["Node.js 16+","@modelcontextprotocol/sdk or compatible MCP server package","TypeScript 4.5+ (for type definitions)","@modelcontextprotocol/sdk","TypeScript 4.5+ (recommended for type safety)","optional: external logging service (e.g., Datadog, CloudWatch)","understanding of middleware patterns and async/await","TypeScript 4.5+","understanding of resource lifecycle patterns"],"failure_modes":["Limited to Node.js/TypeScript ecosystem — no Python or other language support","Abstractions may obscure underlying MCP protocol details for advanced use cases","No built-in persistence layer — state management requires external integration","Validation happens at registration time, not runtime — dynamic tool generation requires manual validation","Schema validation adds startup latency proportional to number of tools/resources","No support for custom validation rules beyond MCP protocol spec","Logging output format is opinionated — customization requires extending base classes","No built-in integration with external logging services — requires manual setup","Context propagation relies on async context tracking which may have overhead in high-throughput scenarios","Middleware execution adds latency per request — deep middleware chains can impact performance","builder identity is not verified yet","no observed match outcomes yet"],"rank_breakdown":{"adoption":0.05,"quality":0.22,"ecosystem":0.36,"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":"2026-05-24T12:16:23.903Z","last_scraped_at":"2026-05-03T14:23:35.485Z","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=npm-gleanworkmcp-server-utils","compare_url":"https://unfragile.ai/compare?artifact=npm-gleanworkmcp-server-utils"}},"signature":"LiooqIDnsiHejFvprutQ+j6EcA4DaqdyxNt0fnAB2Sr1nSsgFJsnfYsVk1lRlUVQwFiTNQfL6UzpJ7q4NCjFDA==","signedAt":"2026-06-20T04:24:52.085Z","signedBy":"unfragile.ai","version":1},"_links":{"self":"https://unfragile.ai/api/v1/passport/npm-gleanworkmcp-server-utils","artifact":"https://unfragile.ai/npm-gleanworkmcp-server-utils","verify":"https://unfragile.ai/api/v1/verify?slug=npm-gleanworkmcp-server-utils","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"}}