{"passport":{"unfragile":{"@version":"1.0","version":"2026-05","artifact":{"id":"github_mcp-modelcontextprotocol-typescript-sdk","slug":"mcp-modelcontextprotocol-typescript-sdk","name":"typescript-sdk","type":"framework","url":"https://github.com/modelcontextprotocol/typescript-sdk","page_url":"https://unfragile.ai/mcp-modelcontextprotocol-typescript-sdk","categories":["mcp-servers"],"tags":[],"pricing":{"model":"open_source","free":true,"starting_price":null},"status":"active","verified":false},"capabilities":[{"id":"github_mcp-modelcontextprotocol-typescript-sdk__cap_0","uri":"capability://tool.use.integration.json.rpc.bidirectional.message.protocol.implementation","name":"json-rpc bidirectional message protocol implementation","description":"Implements the full Model Context Protocol specification as a JSON-RPC 2.0-based bidirectional messaging system that enables both request-response and notification patterns between clients and servers. Uses a transport-agnostic message routing layer that decouples protocol logic from underlying communication mechanisms (stdio, HTTP, SSE, in-memory), allowing the same protocol implementation to work across multiple transports without modification.","intents":["Build an MCP server that can communicate with multiple client types using different transports","Implement bidirectional communication where both client and server can initiate requests","Ensure protocol compliance across different deployment environments (Node.js, Bun, Deno)"],"best_for":["Teams building LLM context providers that need multi-transport support","Developers creating MCP-compliant tools that must work in diverse environments"],"limitations":["JSON-RPC overhead adds ~5-10ms per message round-trip compared to binary protocols","No built-in message compression — large context payloads require manual optimization","Bidirectional communication requires stateful connection management, not suitable for pure REST architectures"],"requires":["Node.js 18+, Bun 1.0+, or Deno 1.40+","Understanding of JSON-RPC 2.0 specification","Transport implementation (stdio, HTTP, SSE, or custom)"],"input_types":["JSON-RPC request objects","JSON-RPC notification objects","JSON-RPC response objects"],"output_types":["JSON-RPC response objects","JSON-RPC notification objects","Error responses with structured error codes"],"categories":["tool-use-integration","protocol-implementation"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github_mcp-modelcontextprotocol-typescript-sdk__cap_1","uri":"capability://tool.use.integration.tool.registration.and.schema.based.function.calling.with.automatic.validation","name":"tool registration and schema-based function calling with automatic validation","description":"Provides a declarative API for registering tools on MCP servers using JSON Schema for parameter definition, with automatic validation and type-safe execution. The McpServer class exposes a tool() method that accepts tool name, description, input schema (via Zod or raw JSON Schema), and an async handler function. Validates all incoming tool calls against the registered schema before execution, returning structured errors for schema violations.","intents":["Register executable tools on an MCP server with automatic parameter validation","Define tool parameters using TypeScript types that compile to JSON Schema","Ensure tool calls are validated against their schema before handler execution"],"best_for":["Developers building MCP servers that expose tools to LLMs","Teams using Zod for runtime type validation in TypeScript"],"limitations":["Schema validation adds ~10-20ms per tool call for complex schemas with nested objects","Zod integration is optional but recommended — raw JSON Schema requires manual schema construction","No built-in rate limiting or quota management per tool"],"requires":["TypeScript 4.7+ or JavaScript with JSDoc type annotations","Zod 3.0+ (optional but recommended for type safety)","@modelcontextprotocol/server package"],"input_types":["Tool name (string)","Tool description (string)","JSON Schema object or Zod schema","Async handler function"],"output_types":["Tool execution result (any JSON-serializable type)","Structured error response with validation details"],"categories":["tool-use-integration","code-generation-editing"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github_mcp-modelcontextprotocol-typescript-sdk__cap_10","uri":"capability://planning.reasoning.elicitation.system.for.interactive.capability.discovery.and.negotiation","name":"elicitation system for interactive capability discovery and negotiation","description":"Implements an elicitation system that enables interactive discovery and negotiation of capabilities between client and server. Allows servers to request information from clients (e.g., user preferences, available resources) and clients to query server capabilities with filtering. Supports bidirectional capability negotiation rather than static discovery.","intents":["Dynamically discover server capabilities with filtering and negotiation","Request information from clients during capability discovery","Implement adaptive capability exposure based on client preferences"],"best_for":["Complex MCP deployments with dynamic capability requirements","Applications needing adaptive tool exposure based on context","Experimental/early-stage features"],"limitations":["Elicitation adds round-trips to capability discovery — increases connection setup latency","Interactive negotiation requires bidirectional communication — not suitable for unidirectional transports","No standardized elicitation protocol — implementations may vary","Complexity increases with number of capabilities and negotiation parameters"],"requires":["@modelcontextprotocol/server and @modelcontextprotocol/client packages","Bidirectional transport (stdio, HTTP, WebSocket)"],"input_types":["Capability filter criteria","Client preference information"],"output_types":["Filtered capability list","Negotiated capability set"],"categories":["planning-reasoning","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github_mcp-modelcontextprotocol-typescript-sdk__cap_11","uri":"capability://planning.reasoning.sampling.and.llm.request.delegation.from.server.to.client","name":"sampling and llm request delegation from server to client","description":"Enables MCP servers to request LLM sampling (text generation) from connected clients, allowing servers to invoke LLM capabilities without embedding an LLM themselves. Servers can request completions with specific parameters (temperature, max tokens, etc.) and receive generated text. Implements a request-response pattern where servers initiate sampling requests and clients handle LLM invocation.","intents":["Allow MCP servers to request LLM sampling from connected clients","Delegate LLM inference to client-side models","Implement server-side logic that depends on LLM generation"],"best_for":["MCP servers that need LLM capabilities but don't embed models","Distributed systems where LLM inference is handled centrally","Applications with heterogeneous LLM backends"],"limitations":["Sampling requests add latency — server must wait for client LLM inference","No built-in model selection — clients must implement model routing logic","Sampling parameters are limited to standard options — custom parameters require protocol extension","No streaming support for sampling responses — entire completion must be buffered"],"requires":["@modelcontextprotocol/server and @modelcontextprotocol/client packages","Client with LLM access (local model or API)","Bidirectional transport"],"input_types":["Sampling request with prompt and parameters","Model selection criteria"],"output_types":["Generated text completion","Sampling metadata (tokens used, finish reason)"],"categories":["planning-reasoning","text-generation-language"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github_mcp-modelcontextprotocol-typescript-sdk__cap_12","uri":"capability://tool.use.integration.capabilities.system.with.feature.negotiation.and.version.compatibility","name":"capabilities system with feature negotiation and version compatibility","description":"Implements a capabilities system that allows clients and servers to declare supported features and negotiate compatibility. Each side declares capabilities (e.g., supported sampling parameters, resource types, prompt features) during initialization. Enables graceful degradation when capabilities don't match and version-aware feature detection.","intents":["Declare supported MCP features on client and server","Negotiate feature compatibility during connection setup","Implement graceful degradation when capabilities don't match"],"best_for":["Deployments with mixed MCP versions","Applications needing feature detection without version strings","Evolving MCP implementations with optional features"],"limitations":["Capability negotiation adds overhead to connection setup","No automatic feature adaptation — applications must implement fallback logic","Capabilities are static after connection — dynamic capability changes require reconnection","Capability mismatch errors require manual debugging"],"requires":["@modelcontextprotocol/server and @modelcontextprotocol/client packages","Understanding of supported capabilities"],"input_types":["Capability declarations (feature flags, version info)"],"output_types":["Negotiated capability set","Compatibility status"],"categories":["tool-use-integration","planning-reasoning"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github_mcp-modelcontextprotocol-typescript-sdk__cap_13","uri":"capability://automation.workflow.notification.system.with.structured.logging.and.event.broadcasting","name":"notification system with structured logging and event broadcasting","description":"Implements a notification system that allows both clients and servers to send structured notifications (non-request messages) for logging, events, and status updates. Notifications are JSON-RPC notifications (no response expected) that can be logged, filtered, or broadcast to multiple subscribers. Enables structured event logging and real-time status updates.","intents":["Send structured log messages from server to client","Broadcast events to multiple subscribers","Implement real-time status updates without polling"],"best_for":["Applications needing structured logging across MCP connections","Real-time monitoring and status tracking","Event-driven MCP architectures"],"limitations":["Notifications are fire-and-forget — no delivery guarantees","No built-in filtering or subscription management — applications must implement","Notification volume can overwhelm clients if not rate-limited","No persistence — notifications are lost if client disconnects"],"requires":["@modelcontextprotocol/server and @modelcontextprotocol/client packages"],"input_types":["Notification object with method and params"],"output_types":["Structured notification (no response)"],"categories":["automation-workflow","safety-moderation"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github_mcp-modelcontextprotocol-typescript-sdk__cap_14","uri":"capability://safety.moderation.schema.validation.with.zod.and.json.schema.compatibility","name":"schema validation with zod and json schema compatibility","description":"Integrates Zod for runtime type validation with automatic JSON Schema generation for protocol compatibility. Allows developers to define schemas in TypeScript using Zod, which are automatically converted to JSON Schema for MCP protocol messages. Validates all incoming messages against schemas before processing, providing type-safe runtime validation.","intents":["Define tool parameters using TypeScript types with runtime validation","Automatically generate JSON Schema from Zod definitions","Validate all MCP messages against their schemas"],"best_for":["TypeScript projects using Zod for validation","Applications requiring strict runtime type checking","Teams wanting compile-time and runtime type safety"],"limitations":["Zod validation adds ~5-10ms per message for complex schemas","JSON Schema generation from Zod may not cover all edge cases","Zod is optional — raw JSON Schema requires manual construction","Schema changes require redeployment — no dynamic schema updates"],"requires":["TypeScript 4.7+","Zod 3.0+ (optional but recommended)","@modelcontextprotocol/server or @modelcontextprotocol/client package"],"input_types":["Zod schema definition","Message object to validate"],"output_types":["Validated and typed object","Validation error with details"],"categories":["safety-moderation","code-generation-editing"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github_mcp-modelcontextprotocol-typescript-sdk__cap_2","uri":"capability://memory.knowledge.resource.and.prompt.management.with.uri.based.addressing","name":"resource and prompt management with uri-based addressing","description":"Implements a resource and prompt management system where servers can expose named resources and prompts using URI-based addressing (e.g., 'file://path/to/resource'). Resources can be text, binary, or streaming content; prompts are templates with arguments that return structured messages. Clients can list available resources/prompts and request specific ones by URI, with the server handling resolution and content delivery.","intents":["Expose files, documents, or dynamic content as resources that LLMs can access","Define reusable prompt templates with arguments that clients can invoke","Allow clients to discover available resources and prompts without hardcoding URIs"],"best_for":["MCP servers providing document context to LLMs","Teams building prompt libraries that need to be shared across multiple clients","Applications needing dynamic resource discovery"],"limitations":["Resource streaming requires transport support for chunked delivery — not all transports handle streaming efficiently","No built-in caching — repeated resource requests hit the server each time","URI scheme is convention-based, not enforced — developers must implement consistent naming"],"requires":["@modelcontextprotocol/server package","Understanding of URI scheme conventions","Transport that supports streaming (HTTP, stdio) for large resources"],"input_types":["Resource URI (string)","Resource content (text, binary, or stream)","Prompt name (string)","Prompt arguments (object)"],"output_types":["Resource content (text, binary, or streamed chunks)","Prompt result (structured message with role and content)","Resource/prompt list with metadata"],"categories":["memory-knowledge","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github_mcp-modelcontextprotocol-typescript-sdk__cap_3","uri":"capability://tool.use.integration.multi.transport.abstraction.with.pluggable.transport.implementations","name":"multi-transport abstraction with pluggable transport implementations","description":"Provides a Transport interface that abstracts the underlying communication mechanism, with built-in implementations for stdio, HTTP (with streaming support), Server-Sent Events (SSE), and in-memory transports. Each transport implements the same interface (send/receive message handling) but handles protocol-specific concerns (connection lifecycle, message framing, error handling). Allows developers to switch transports by changing configuration without modifying protocol or business logic.","intents":["Run the same MCP server over stdio for local CLI integration and HTTP for cloud deployment","Implement custom transports for specialized environments (WebSocket, gRPC, etc.)","Test MCP servers using in-memory transport without network overhead"],"best_for":["Teams deploying MCP servers across multiple environments (local, cloud, edge)","Developers building transport adapters for specialized protocols","Testing and development workflows requiring fast iteration"],"limitations":["Each transport has different performance characteristics — stdio is slower than HTTP for large payloads","SSE transport is unidirectional (server-to-client only) — requires HTTP POST for client-to-server","Custom transport implementation requires understanding of message framing and error handling","In-memory transport is single-process only — no distributed deployment support"],"requires":["@modelcontextprotocol/server or @modelcontextprotocol/client package","Node.js 18+ for stdio/HTTP, or Bun/Deno for alternative runtimes","Understanding of transport-specific configuration (ports, endpoints, etc.)"],"input_types":["Transport configuration object","Message objects (JSON-RPC format)"],"output_types":["Message objects (JSON-RPC format)","Transport-specific error responses"],"categories":["tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github_mcp-modelcontextprotocol-typescript-sdk__cap_4","uri":"capability://tool.use.integration.http.server.transport.with.streaming.and.middleware.integration","name":"http server transport with streaming and middleware integration","description":"Provides a Streamable HTTP Server Transport that integrates with Express, Hono, and native Node.js HTTP servers, supporting both request-response and streaming message patterns. Handles HTTP-specific concerns like connection lifecycle, request routing, and streaming response delivery. Includes middleware adapters that wrap the MCP protocol handler as Express/Hono middleware, allowing MCP servers to coexist with other HTTP endpoints in the same application.","intents":["Deploy an MCP server as an HTTP endpoint alongside existing Express/Hono applications","Stream large resource content over HTTP without buffering in memory","Integrate MCP protocol handling into existing web application middleware stacks"],"best_for":["Teams deploying MCP servers in cloud environments (AWS Lambda, Vercel, etc.)","Developers building hybrid applications with both HTTP APIs and MCP endpoints","Applications requiring streaming support for large context payloads"],"limitations":["HTTP transport adds ~20-50ms latency compared to stdio due to network overhead","Streaming requires chunked transfer encoding support — some proxies or load balancers may buffer entire response","Middleware integration is framework-specific — Express, Hono, and native HTTP have different APIs","No built-in authentication — developers must implement auth at middleware layer"],"requires":["@modelcontextprotocol/server package","Express 4.0+, Hono 3.0+, or Node.js 18+ http module","Understanding of HTTP middleware patterns"],"input_types":["HTTP request object","Request body (JSON-RPC message)","Middleware configuration"],"output_types":["HTTP response with JSON-RPC message","Streamed response chunks for large content"],"categories":["tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github_mcp-modelcontextprotocol-typescript-sdk__cap_5","uri":"capability://tool.use.integration.client.side.mcp.protocol.implementation.with.automatic.server.discovery","name":"client-side mcp protocol implementation with automatic server discovery","description":"Implements the MCP client protocol that connects to MCP servers and provides a high-level API for discovering and invoking tools, accessing resources, and requesting prompts. The Client class handles connection lifecycle, message routing, and provides methods like callTool(), listTools(), getResource(), and listPrompts(). Automatically discovers server capabilities during initialization and maintains connection state.","intents":["Connect to an MCP server and discover available tools, resources, and prompts","Call tools on a remote MCP server and handle responses","Access resources and prompts from an MCP server programmatically"],"best_for":["LLM applications that need to consume MCP servers as context providers","Developers building MCP client libraries or integrations","Teams building multi-server orchestration layers"],"limitations":["Client discovery is synchronous during initialization — adding new tools on the server requires client reconnection","No built-in caching of tool/resource lists — repeated discovery calls hit the server","Error handling is transport-dependent — different transports may return different error formats","No automatic retry logic for failed tool calls — developers must implement their own"],"requires":["@modelcontextprotocol/client package","Active MCP server connection (stdio, HTTP, SSE, or custom transport)","Node.js 18+, Bun 1.0+, or Deno 1.40+"],"input_types":["Transport configuration","Tool name and arguments","Resource URI","Prompt name and arguments"],"output_types":["Tool execution result","Resource content","Prompt result","Server capabilities list"],"categories":["tool-use-integration","memory-knowledge"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github_mcp-modelcontextprotocol-typescript-sdk__cap_6","uri":"capability://tool.use.integration.sse.server.sent.events.client.transport.for.unidirectional.streaming","name":"sse (server-sent events) client transport for unidirectional streaming","description":"Implements a Server-Sent Events client transport that receives server-initiated messages via SSE while sending client requests via HTTP POST. Handles SSE connection lifecycle, automatic reconnection on disconnect, and message parsing from SSE format. Suitable for scenarios where server-to-client streaming is needed but bidirectional WebSocket is not available or desired.","intents":["Receive streaming updates from an MCP server using standard HTTP without WebSocket","Implement MCP clients in environments where WebSocket is blocked or unavailable","Stream large resource content from server to client over HTTP"],"best_for":["Browser-based MCP clients that cannot use WebSocket","Environments with restrictive network policies that block WebSocket","Applications needing server-to-client streaming with standard HTTP"],"limitations":["SSE is unidirectional (server-to-client only) — client requests must use separate HTTP POST","Automatic reconnection may cause message loss if client disconnects during server processing","SSE has higher latency than WebSocket due to HTTP overhead","Browser SSE has connection limits (typically 6 concurrent connections per domain)"],"requires":["@modelcontextprotocol/client package","Server supporting SSE endpoint","Browser or Node.js with EventSource API support"],"input_types":["SSE endpoint URL","HTTP POST endpoint for client requests"],"output_types":["SSE message stream","HTTP response to POST requests"],"categories":["tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github_mcp-modelcontextprotocol-typescript-sdk__cap_7","uri":"capability://safety.moderation.oauth.2.0.authentication.flow.with.provider.specific.implementations","name":"oauth 2.0 authentication flow with provider-specific implementations","description":"Provides OAuth 2.0 client and server implementations for MCP, supporting standard OAuth flows (authorization code, client credentials) with built-in providers for common services. Handles token exchange, refresh token management, and secure credential storage. Integrates with MCP server initialization to require OAuth authentication before tool/resource access.","intents":["Require OAuth authentication for MCP server access","Implement OAuth client flow for MCP clients connecting to protected servers","Manage OAuth tokens and refresh token lifecycle"],"best_for":["Teams building MCP servers that need user authentication","Applications integrating MCP with OAuth-protected services","Enterprise deployments requiring centralized authentication"],"limitations":["OAuth flow adds ~1-2 seconds to initial connection for token exchange","Token refresh requires network access — offline scenarios not supported","Provider-specific implementations may not cover all OAuth providers","No built-in token storage — developers must implement secure credential persistence"],"requires":["@modelcontextprotocol/server or @modelcontextprotocol/client package","OAuth provider credentials (client ID, client secret)","Secure credential storage mechanism"],"input_types":["OAuth provider configuration","Authorization code (from OAuth flow)","Refresh token"],"output_types":["Access token","Refresh token","Token expiration metadata"],"categories":["safety-moderation","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github_mcp-modelcontextprotocol-typescript-sdk__cap_8","uri":"capability://automation.workflow.session.management.and.resumable.connections.with.state.persistence","name":"session management and resumable connections with state persistence","description":"Implements session management that preserves connection state across reconnections, allowing clients to resume interrupted connections without losing context. Tracks session ID, message history, and server state, enabling recovery from network failures. Supports both stateless (per-request) and stateful (session-based) operation modes.","intents":["Resume MCP client connections after network interruption without losing context","Persist session state across client restarts","Implement reliable message delivery with acknowledgment tracking"],"best_for":["Mobile and edge applications with unreliable network connections","Long-running MCP client sessions that need resilience","Applications requiring message delivery guarantees"],"limitations":["Session state requires server-side storage — adds complexity and memory overhead","Message history persistence requires external storage (database, cache) — no built-in persistence","Session resumption timeout is configurable but adds latency to reconnection logic","State synchronization between client and server can be complex in distributed scenarios"],"requires":["@modelcontextprotocol/client package","External state storage (optional but recommended for production)","Session timeout configuration"],"input_types":["Session ID","Message history","Server state snapshot"],"output_types":["Resumed connection","Message acknowledgments","State synchronization confirmation"],"categories":["automation-workflow","memory-knowledge"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github_mcp-modelcontextprotocol-typescript-sdk__cap_9","uri":"capability://automation.workflow.experimental.task.system.for.long.running.operations.with.progress.tracking","name":"experimental task system for long-running operations with progress tracking","description":"Provides an experimental task system that allows servers to expose long-running operations as tasks with progress tracking and cancellation support. Tasks return a task ID and progress updates, allowing clients to poll for status or receive streaming progress notifications. Enables modeling of async operations like file processing or data analysis.","intents":["Expose long-running operations as MCP tasks with progress tracking","Allow clients to cancel in-progress tasks","Stream progress updates to clients during task execution"],"best_for":["MCP servers performing long-running operations (data processing, file analysis)","Applications needing progress visibility for async operations","Experimental/early-stage features (not recommended for production)"],"limitations":["Task system is experimental and subject to breaking changes","No built-in task persistence — tasks are lost on server restart","Progress tracking requires polling or streaming support — not all transports handle streaming efficiently","Cancellation is advisory — servers must implement cancellation logic"],"requires":["@modelcontextprotocol/server package","Understanding of async operation patterns","Transport supporting streaming (HTTP, stdio)"],"input_types":["Task definition (name, parameters)","Cancellation request"],"output_types":["Task ID","Progress update","Task result or error"],"categories":["automation-workflow","planning-reasoning"],"confidence":0.5,"matches":0,"success_rate":0}],"trust":{"score":49,"verified":false,"data_access_risk":"high","permissions":["Node.js 18+, Bun 1.0+, or Deno 1.40+","Understanding of JSON-RPC 2.0 specification","Transport implementation (stdio, HTTP, SSE, or custom)","TypeScript 4.7+ or JavaScript with JSDoc type annotations","Zod 3.0+ (optional but recommended for type safety)","@modelcontextprotocol/server package","@modelcontextprotocol/server and @modelcontextprotocol/client packages","Bidirectional transport (stdio, HTTP, WebSocket)","Client with LLM access (local model or API)","Bidirectional transport"],"failure_modes":["JSON-RPC overhead adds ~5-10ms per message round-trip compared to binary protocols","No built-in message compression — large context payloads require manual optimization","Bidirectional communication requires stateful connection management, not suitable for pure REST architectures","Schema validation adds ~10-20ms per tool call for complex schemas with nested objects","Zod integration is optional but recommended — raw JSON Schema requires manual schema construction","No built-in rate limiting or quota management per tool","Elicitation adds round-trips to capability discovery — increases connection setup latency","Interactive negotiation requires bidirectional communication — not suitable for unidirectional transports","No standardized elicitation protocol — implementations may vary","Complexity increases with number of capabilities and negotiation parameters","builder identity is not verified yet","no observed match outcomes yet"],"rank_breakdown":{"adoption":0.6949495939860295,"quality":0.35,"ecosystem":0.39999999999999997,"match_graph":0.25,"freshness":0.75,"weights":{"adoption":0.3,"quality":0.2,"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":"2026-05-24T12:16:22.065Z","last_scraped_at":"2026-05-03T14:23:34.856Z","last_commit":"2026-05-01T13:52:23Z"},"community":{"stars":12334,"forks":1808,"weekly_downloads":null,"model_downloads":null,"model_likes":null}},"distribution":{"claim_url":"https://unfragile.ai/submit?claim=mcp-modelcontextprotocol-typescript-sdk","compare_url":"https://unfragile.ai/compare?artifact=mcp-modelcontextprotocol-typescript-sdk"}},"signature":"FkZBhR0imDDPXubEPOjF/t5KQ97tjf7bHok/EywNZQYLvDhpuxMHnTIyxsl5rfW1hRlfRPgbR3FdkIXcP4kkDg==","signedAt":"2026-06-21T14:08:46.635Z","signedBy":"unfragile.ai","version":1},"_links":{"self":"https://unfragile.ai/api/v1/passport/mcp-modelcontextprotocol-typescript-sdk","artifact":"https://unfragile.ai/mcp-modelcontextprotocol-typescript-sdk","verify":"https://unfragile.ai/api/v1/verify?slug=mcp-modelcontextprotocol-typescript-sdk","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"}}