{"passport":{"unfragile":{"@version":"1.0","version":"2026-05","artifact":{"id":"smithery_1282saa-bk-mcp","slug":"1282saa-bk-mcp","name":"bk_mcp","type":"mcp","url":"https://github.com/1282saa/bk_mcp","page_url":"https://unfragile.ai/1282saa-bk-mcp","categories":["mcp-servers"],"tags":["mcp","model-context-protocol","smithery:1282saa/bk_mcp"],"pricing":{"model":"open_source","free":true,"starting_price":null},"status":"active","verified":false},"capabilities":[{"id":"smithery_1282saa-bk-mcp__cap_0","uri":"capability://tool.use.integration.mcp.server.protocol.implementation.with.standardized.tool.exposure","name":"mcp server protocol implementation with standardized tool exposure","description":"Implements the Model Context Protocol (MCP) server specification, exposing tools and resources through a standardized JSON-RPC 2.0 interface that enables Claude and other MCP-compatible clients to discover and invoke server capabilities. Uses the MCP transport layer to handle bidirectional communication between client and server, managing request/response lifecycle and resource initialization handshakes.","intents":["I want to make my custom tools available to Claude and other LLM clients without building separate integrations","I need to expose internal APIs or services through a standardized protocol that multiple AI clients can consume","I want to build a tool ecosystem where Claude can dynamically discover and call my server's capabilities"],"best_for":["teams building internal tool servers for Claude integration","developers creating reusable MCP-compatible service layers","organizations standardizing on MCP for AI-powered automation"],"limitations":["MCP is a relatively new protocol with evolving specification — breaking changes possible in minor versions","Limited to synchronous request/response patterns — no native streaming for long-running operations","Requires MCP-compatible client (Claude, or custom implementations) — not compatible with standard REST API consumers"],"requires":["MCP client implementation (Claude with MCP support, or custom MCP client)","Network connectivity between MCP client and server","Understanding of MCP protocol specification and tool schema format"],"input_types":["JSON-RPC 2.0 requests","Tool invocation payloads with typed arguments","Resource URIs for resource-based access patterns"],"output_types":["JSON-RPC 2.0 responses","Tool execution results (structured JSON)","Resource content (text, structured data, or binary)"],"categories":["tool-use-integration","mcp-server"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"smithery_1282saa-bk-mcp__cap_1","uri":"capability://tool.use.integration.tool.schema.definition.and.validation.for.mcp.clients","name":"tool schema definition and validation for mcp clients","description":"Defines and validates tool schemas using JSON Schema or similar type systems, allowing MCP clients to understand tool signatures, required/optional parameters, return types, and constraints before invocation. Implements schema introspection so clients can dynamically discover available tools and their capabilities without hardcoded knowledge of the server's API surface.","intents":["I want Claude to understand what parameters my tools accept and validate inputs before calling them","I need to expose complex tools with nested parameters, enums, and conditional requirements to AI clients","I want clients to auto-generate UI or prompts based on my tool definitions without manual documentation"],"best_for":["developers building tools with complex parameter requirements","teams needing self-documenting tool APIs for AI clients","organizations standardizing tool definitions across multiple MCP servers"],"limitations":["Schema validation happens at client discretion — server cannot enforce strict validation of malformed requests","Complex conditional schemas (dependent parameters) may not be fully expressible in JSON Schema","No built-in versioning mechanism for schema evolution — breaking changes require careful migration planning"],"requires":["JSON Schema knowledge or schema builder library","MCP server framework supporting schema definition","MCP client that respects and validates against provided schemas"],"input_types":["JSON Schema definitions","Tool metadata (name, description, category)","Parameter type specifications"],"output_types":["Structured tool schema documents","Introspection responses listing available tools","Validation error messages for malformed invocations"],"categories":["tool-use-integration","data-processing-analysis"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"smithery_1282saa-bk-mcp__cap_2","uri":"capability://tool.use.integration.resource.based.content.serving.through.mcp.resource.endpoints","name":"resource-based content serving through mcp resource endpoints","description":"Exposes server-side resources (files, documents, API responses, database records) through MCP resource endpoints using URI-based addressing. Clients can request resources by URI, and the server returns content with optional MIME type metadata, enabling Claude to access and reason over server-managed content without direct file system or database access.","intents":["I want Claude to read and analyze files or documents stored on my server without exposing raw file system access","I need to serve dynamic content (database records, API responses) to Claude as resources it can reference","I want to implement access control and filtering for what content Claude can access via resources"],"best_for":["teams serving protected or dynamic content to Claude","applications needing fine-grained access control over what Claude can read","systems integrating Claude with databases or external APIs via resource endpoints"],"limitations":["Resource serving is pull-based only — server cannot push updates to clients, requiring clients to poll for changes","No built-in caching mechanism — repeated resource requests hit the server each time","Resource size limits may apply depending on MCP client implementation — large files may not be fully transmitted"],"requires":["MCP server framework with resource endpoint support","Content source (files, database, API, etc.)","MCP client that supports resource requests"],"input_types":["Resource URIs (e.g., 'file://path/to/document', 'db://table/record-id')","Resource request metadata (optional filters, range requests)"],"output_types":["Resource content (text, JSON, binary data)","MIME type metadata","Resource metadata (size, modified time, etc.)"],"categories":["tool-use-integration","memory-knowledge"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"smithery_1282saa-bk-mcp__cap_3","uri":"capability://tool.use.integration.bidirectional.mcp.communication.with.request.response.correlation","name":"bidirectional mcp communication with request/response correlation","description":"Manages bidirectional JSON-RPC 2.0 communication between MCP client and server, implementing request ID correlation to match responses with requests, handling timeouts, and managing connection state. Supports both client-initiated requests (tool calls) and server-initiated notifications (async events), enabling full-duplex interaction patterns.","intents":["I want my MCP server to handle concurrent tool invocations from Claude without mixing up responses","I need to send notifications or updates from my server to Claude without waiting for a request","I want robust error handling and timeout management for MCP communication"],"best_for":["developers building production MCP servers with high concurrency","teams needing server-initiated notifications or event streaming","applications requiring reliable request/response correlation across multiple concurrent operations"],"limitations":["JSON-RPC 2.0 request/response model adds latency compared to streaming protocols — each operation requires round-trip","No built-in request prioritization — all requests queued equally regardless of importance","Timeout handling is implementation-dependent — no standard MCP timeout specification"],"requires":["MCP server framework with JSON-RPC 2.0 support","Network transport (stdio, HTTP, WebSocket, etc.)","Request ID generation and correlation logic"],"input_types":["JSON-RPC 2.0 request objects with method, params, and id fields","Notification objects (requests without id field)"],"output_types":["JSON-RPC 2.0 response objects with result or error fields","Notification objects from server to client"],"categories":["tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"smithery_1282saa-bk-mcp__cap_4","uri":"capability://tool.use.integration.mcp.transport.layer.abstraction.for.multiple.connection.types","name":"mcp transport layer abstraction for multiple connection types","description":"Abstracts the underlying transport mechanism (stdio, HTTP, WebSocket, etc.) behind a unified MCP interface, allowing the same server implementation to work across different connection types. Handles transport-specific concerns like framing, serialization, and connection lifecycle management while exposing a consistent message-passing API to the server logic.","intents":["I want my MCP server to work with Claude via stdio, HTTP, and WebSocket without duplicating code","I need to support multiple deployment scenarios (local CLI, cloud API, containerized service) with a single codebase","I want to switch transport mechanisms without rewriting the core server logic"],"best_for":["teams building MCP servers for multiple deployment contexts","developers wanting transport-agnostic server implementations","organizations standardizing on MCP with diverse client connection requirements"],"limitations":["Transport abstraction adds complexity and potential performance overhead — direct transport implementations may be faster","Some transports have inherent limitations (stdio is line-buffered, HTTP is stateless) that abstraction cannot fully hide","Not all transports support bidirectional streaming equally — WebSocket and stdio are full-duplex, HTTP requires polling or long-polling"],"requires":["MCP server framework with transport abstraction layer","Transport-specific dependencies (e.g., HTTP server library, WebSocket library)","Understanding of transport-specific constraints and capabilities"],"input_types":["Transport configuration (type, port, host, etc.)","Connection parameters (authentication, TLS, etc.)"],"output_types":["Unified message interface (independent of transport)","Connection state and lifecycle events"],"categories":["tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"smithery_1282saa-bk-mcp__cap_5","uri":"capability://tool.use.integration.transport.layer.abstraction.with.multiple.protocol.bindings","name":"transport layer abstraction with multiple protocol bindings","description":"Provides pluggable transport implementations (stdio, SSE, WebSocket) that abstract the underlying communication protocol while maintaining MCP message semantics. The server can operate over different transports without changing tool or resource logic, enabling deployment flexibility (local CLI, HTTP server, WebSocket agent). Each transport handles serialization, framing, and error handling independently.","intents":["I want to deploy my MCP server as both a CLI tool and an HTTP service without code duplication","I need my server to work with different client connection methods (stdio, WebSocket, SSE)","I want to switch transports without rewriting tool implementations"],"best_for":["Developers building tools that need multiple deployment modes","Teams integrating MCP servers into existing infrastructure (HTTP, WebSocket, CLI)","Builders creating agent frameworks supporting diverse client types"],"limitations":["Transport abstraction adds complexity — debugging issues requires understanding multiple protocols","Performance characteristics vary by transport (stdio is synchronous, WebSocket supports streaming)","No built-in load balancing or connection pooling across transports","Stdio transport is single-connection only — not suitable for multi-client scenarios"],"requires":["Transport-specific dependencies (e.g., WebSocket library for WebSocket transport)","Protocol implementation for each transport type"],"input_types":["MCP messages in JSON-RPC 2.0 format","Transport-specific framing (newline-delimited JSON for stdio, HTTP for SSE, WebSocket frames)"],"output_types":["MCP responses in JSON-RPC 2.0 format","Transport-specific serialization"],"categories":["tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0}],"trust":{"score":27,"verified":false,"data_access_risk":"high","permissions":["MCP client implementation (Claude with MCP support, or custom MCP client)","Network connectivity between MCP client and server","Understanding of MCP protocol specification and tool schema format","JSON Schema knowledge or schema builder library","MCP server framework supporting schema definition","MCP client that respects and validates against provided schemas","MCP server framework with resource endpoint support","Content source (files, database, API, etc.)","MCP client that supports resource requests","MCP server framework with JSON-RPC 2.0 support"],"failure_modes":["MCP is a relatively new protocol with evolving specification — breaking changes possible in minor versions","Limited to synchronous request/response patterns — no native streaming for long-running operations","Requires MCP-compatible client (Claude, or custom implementations) — not compatible with standard REST API consumers","Schema validation happens at client discretion — server cannot enforce strict validation of malformed requests","Complex conditional schemas (dependent parameters) may not be fully expressible in JSON Schema","No built-in versioning mechanism for schema evolution — breaking changes require careful migration planning","Resource serving is pull-based only — server cannot push updates to clients, requiring clients to poll for changes","No built-in caching mechanism — repeated resource requests hit the server each time","Resource size limits may apply depending on MCP client implementation — large files may not be fully transmitted","JSON-RPC 2.0 request/response model adds latency compared to streaming protocols — each operation requires round-trip","builder identity is not verified yet","no observed match outcomes yet"],"rank_breakdown":{"adoption":0.05,"quality":0.22,"ecosystem":0.48999999999999994,"match_graph":0.25,"freshness":0.6,"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":"2026-05-24T12:16:25.061Z","last_scraped_at":"2026-05-03T15:19:34.639Z","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=1282saa-bk-mcp","compare_url":"https://unfragile.ai/compare?artifact=1282saa-bk-mcp"}},"signature":"M7ONtAISj9UTQ9Hlvakn7rCIg6WNc7nsqVXfvtCsd+LUNiXCsCgDTdE12sA7UawH2YNBTZecih7LrIFIkdvsBQ==","signedAt":"2026-06-21T08:52:13.583Z","signedBy":"unfragile.ai","version":1},"_links":{"self":"https://unfragile.ai/api/v1/passport/1282saa-bk-mcp","artifact":"https://unfragile.ai/1282saa-bk-mcp","verify":"https://unfragile.ai/api/v1/verify?slug=1282saa-bk-mcp","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"}}