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The provider maintains an active connection to MCP servers, queries their resource endpoints, and caches the resource manifest including names, URIs, MIME types, and descriptions. This enables OpenCtx clients to dynamically discover what information sources are available without hardcoding resource paths.","intents":["I want to see what data sources and tools are available from my MCP servers without manually configuring each one","I need to dynamically list all resources a connected MCP provider exposes so I can reference them in my application","I want to understand the schema and metadata of resources before requesting them"],"best_for":["developers building OpenCtx-aware applications that need dynamic resource discovery","teams deploying multiple MCP providers and wanting unified resource visibility","LLM application builders who need to expose MCP resources to language models"],"limitations":["Resource discovery is synchronous and blocks until the MCP server responds; large provider manifests may cause latency","No built-in caching strategy across application restarts — resource lists must be re-queried on each startup","Requires MCP server to implement the resources/list endpoint; older MCP implementations may not support this"],"requires":["Node.js 16+","Active MCP server connection with proper transport (stdio, SSE, or custom)","@openctx/provider-modelcontextprotocol npm package","MCP server implementing the resources/list RPC method"],"input_types":["MCP server connection configuration","optional resource filter/query parameters"],"output_types":["structured JSON array of resource objects with uri, name, mimeType, description"],"categories":["tool-use-integration","discovery"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-openctxprovider-modelcontextprotocol__cap_1","uri":"capability://tool.use.integration.mcp.resource.content.retrieval.with.streaming","name":"mcp resource content retrieval with streaming","description":"Retrieves the full content of a specific resource from an MCP provider by URI, supporting both complete buffered responses and streaming output for large resources. The provider translates OpenCtx resource requests into MCP resources/read RPC calls, handles the MCP transport layer, and streams or buffers the response based on client preferences. Supports text, binary, and structured content types with proper MIME type handling.","intents":["I want to fetch the content of a specific resource from an MCP provider by its URI","I need to stream large resource content to avoid buffering entire responses in memory","I want to retrieve structured data (JSON, XML) from MCP providers and parse it in my application"],"best_for":["applications that need to fetch on-demand content from MCP-exposed data sources","LLM context builders that pull relevant resources into prompts dynamically","tools processing large files or streams from MCP providers without loading everything into memory"],"limitations":["Streaming requires client support for async iterators or event emitters; synchronous code paths must buffer entire responses","No built-in retry logic for failed MCP reads — applications must implement their own error handling and backoff","Resource content is not cached between requests; repeated reads of the same URI trigger new MCP calls"],"requires":["Node.js 16+","Active MCP server connection with resources/read RPC support","@openctx/provider-modelcontextprotocol npm package","Valid resource URI from prior resource discovery"],"input_types":["resource URI string","optional streaming preference flag"],"output_types":["string (text content)","Buffer (binary content)","AsyncIterable<Uint8Array> (streamed chunks)"],"categories":["tool-use-integration","data-processing-analysis"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-openctxprovider-modelcontextprotocol__cap_2","uri":"capability://tool.use.integration.mcp.tool.function.invocation.with.schema.validation","name":"mcp tool/function invocation with schema validation","description":"Invokes tools and functions exposed by MCP providers through a standardized calling interface with automatic schema validation. The provider translates OpenCtx tool calls into MCP tools/call RPC requests, validates input parameters against the tool's JSON schema, handles the MCP transport, and returns structured results. Supports both synchronous and asynchronous tool execution with proper error propagation.","intents":["I want to call a tool exposed by an MCP provider and get back structured results","I need to validate tool inputs against the provider's schema before sending them to avoid wasting API calls","I want to invoke MCP tools from my LLM application with automatic parameter type checking"],"best_for":["LLM agent builders who need to call external tools through MCP providers","applications that want schema-driven tool invocation with validation before execution","teams building multi-provider tool orchestration where tools come from different MCP servers"],"limitations":["Schema validation happens client-side only; MCP server may still reject valid inputs if its implementation diverges from schema","No built-in timeout enforcement — long-running tools may block indefinitely; callers must implement their own timeout wrappers","Tool results are returned as-is from MCP; no automatic result parsing or transformation (e.g., JSON strings are not auto-parsed)"],"requires":["Node.js 16+","Active MCP server connection with tools/list and tools/call RPC support","@openctx/provider-modelcontextprotocol npm package","Tool name and input parameters matching the tool's declared schema"],"input_types":["tool name string","input object matching tool's JSON schema"],"output_types":["structured JSON result from tool execution","error object if tool execution fails"],"categories":["tool-use-integration","planning-reasoning"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-openctxprovider-modelcontextprotocol__cap_3","uri":"capability://tool.use.integration.mcp.prompt.template.discovery.and.rendering","name":"mcp prompt template discovery and rendering","description":"Discovers prompt templates exposed by MCP providers and renders them with variable substitution. The provider queries MCP servers for available prompts via the prompts/list endpoint, retrieves prompt definitions including arguments and descriptions, and renders prompts by substituting variables into template strings. Supports both simple string interpolation and structured prompt composition for LLM context building.","intents":["I want to discover reusable prompt templates from MCP providers instead of hardcoding prompts","I need to render a prompt template with specific variables and get back the final prompt text","I want to list available prompts from a provider to understand what pre-built prompts are available"],"best_for":["LLM application builders who want to leverage provider-managed prompt templates","teams standardizing on prompt templates across multiple applications via MCP","developers building prompt management systems that pull templates from distributed MCP providers"],"limitations":["Prompt rendering is string-based; no support for complex template languages (e.g., Jinja2, Handlebars) — only simple variable substitution","No built-in prompt versioning; if a provider updates a prompt template, clients must re-fetch to get the new version","Prompt arguments are not validated before rendering; invalid variable substitutions may produce malformed prompts"],"requires":["Node.js 16+","Active MCP server connection with prompts/list and prompts/get RPC support","@openctx/provider-modelcontextprotocol npm package","Prompt name and required argument values"],"input_types":["prompt name string","object with prompt argument values"],"output_types":["rendered prompt string","structured prompt object with metadata"],"categories":["tool-use-integration","text-generation-language"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-openctxprovider-modelcontextprotocol__cap_4","uri":"capability://tool.use.integration.mcp.provider.connection.lifecycle.management","name":"mcp provider connection lifecycle management","description":"Manages the full lifecycle of MCP server connections including initialization, authentication, health checking, and graceful shutdown. The provider handles transport setup (stdio, SSE, or custom), implements connection pooling for multiple concurrent requests, detects connection failures, and implements reconnection logic with exponential backoff. Provides hooks for connection state changes and error events.","intents":["I want to establish and maintain a reliable connection to an MCP server without managing transport details","I need to handle MCP server disconnections gracefully and automatically reconnect","I want to monitor the health of my MCP connections and get notified when they fail"],"best_for":["long-running applications that need persistent MCP connections (agents, services)","teams deploying multiple MCP providers and needing centralized connection management","developers building resilient LLM applications that can tolerate temporary provider unavailability"],"limitations":["Reconnection logic uses exponential backoff with a fixed maximum retry count; very long outages may exhaust retries","No built-in connection pooling across multiple client instances — each OpenCtx provider instance maintains its own connection","Connection state is not persisted; application restart loses connection state and requires re-initialization"],"requires":["Node.js 16+","@openctx/provider-modelcontextprotocol npm package","MCP server configuration (transport type, endpoint, credentials)","appropriate permissions for the transport (e.g., executable path for stdio, network access for SSE)"],"input_types":["MCP server configuration object with transport and endpoint details","optional authentication credentials"],"output_types":["connection status events","error events on connection failure"],"categories":["tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-openctxprovider-modelcontextprotocol__cap_5","uri":"capability://tool.use.integration.openctx.provider.interface.implementation.for.mcp","name":"openctx provider interface implementation for mcp","description":"Implements the OpenCtx provider interface specification, translating OpenCtx capability requests (mentions, definitions, hover, references) into corresponding MCP protocol calls. Acts as an adapter layer that allows any OpenCtx client (IDE extensions, LLM applications, documentation tools) to consume MCP providers uniformly without knowing MCP protocol details. Handles capability negotiation and graceful degradation when MCP servers don't support specific features.","intents":["I want to use MCP providers in my OpenCtx-compatible application without writing MCP-specific code","I need to expose MCP capabilities through the OpenCtx interface so my IDE extension can consume them","I want to build a tool that works with any OpenCtx provider, including MCP-backed ones"],"best_for":["OpenCtx client developers who want to add MCP provider support","teams standardizing on OpenCtx as their provider abstraction layer","IDE extension builders who want to support both native and MCP-based context providers"],"limitations":["Only supports OpenCtx capabilities that have MCP equivalents; some OpenCtx features may not map to MCP operations","Capability negotiation is static at initialization time; if an MCP server gains new capabilities, the provider must be reinitialized to detect them","Error messages from MCP are passed through as-is; no normalization of error types across different MCP server implementations"],"requires":["Node.js 16+","@openctx/provider-modelcontextprotocol npm package","OpenCtx client that supports the provider interface","MCP server with appropriate capabilities enabled"],"input_types":["OpenCtx capability request (mention, definition, hover, references)","context object with file path, position, or query"],"output_types":["OpenCtx response objects (mentions, definitions, hover info, references)"],"categories":["tool-use-integration","memory-knowledge"],"confidence":0.5,"matches":0,"success_rate":0}],"trust":{"score":23,"verified":false,"data_access_risk":"moderate","permissions":["Node.js 16+","Active MCP server connection with proper transport (stdio, SSE, or custom)","@openctx/provider-modelcontextprotocol npm package","MCP server implementing the resources/list RPC method","Active MCP server connection with resources/read RPC support","Valid resource URI from prior resource discovery","Active MCP server connection with tools/list and tools/call RPC support","Tool name and input parameters matching the tool's declared schema","Active MCP server connection with prompts/list and prompts/get RPC support","Prompt name and required argument values"],"failure_modes":["Resource discovery is synchronous and blocks until the MCP server responds; large provider manifests may cause latency","No built-in caching strategy across application restarts — resource lists must be re-queried on each startup","Requires MCP server to implement the resources/list endpoint; older MCP implementations may not support this","Streaming requires client support for async iterators or event emitters; synchronous code paths must buffer entire responses","No built-in retry logic for failed MCP reads — applications must implement their own error handling and backoff","Resource content is not cached between requests; repeated reads of the same URI trigger new MCP calls","Schema validation happens client-side only; MCP server may still reject valid inputs if its implementation diverges from schema","No built-in timeout enforcement — long-running tools may block indefinitely; callers must implement their own timeout wrappers","Tool results are returned as-is from MCP; no automatic result parsing or transformation (e.g., JSON strings are not auto-parsed)","Prompt rendering is string-based; no support for complex template languages (e.g., Jinja2, Handlebars) — only simple variable substitution","builder identity is not verified yet","no observed match outcomes yet"],"rank_breakdown":{"adoption":0.05,"quality":0.22,"ecosystem":0.3,"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":"2026-05-24T12:16:23.904Z","last_scraped_at":"2026-05-03T14:23:46.396Z","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-openctxprovider-modelcontextprotocol","compare_url":"https://unfragile.ai/compare?artifact=npm-openctxprovider-modelcontextprotocol"}},"signature":"0GyhNGtmRvE/AVFiaXzyU9BVXwRJqTJnOZxwv2PLPXXYYg62oGdJJTlUaAOBnCHjWfuO7kDWcxn6tMVPTxM5Bg==","signedAt":"2026-06-21T03:29:48.231Z","signedBy":"unfragile.ai","version":1},"_links":{"self":"https://unfragile.ai/api/v1/passport/npm-openctxprovider-modelcontextprotocol","artifact":"https://unfragile.ai/npm-openctxprovider-modelcontextprotocol","verify":"https://unfragile.ai/api/v1/verify?slug=npm-openctxprovider-modelcontextprotocol","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"}}