{"passport":{"unfragile":{"@version":"1.0","version":"2026-05","artifact":{"id":"awesome-foobara-mcp-connector","slug":"foobara-mcp-connector","name":"Foobara MCP Connector","type":"mcp","url":"https://github.com/foobara/mcp-connector","page_url":"https://unfragile.ai/foobara-mcp-connector","categories":["mcp-servers"],"tags":[],"pricing":{"model":"open_source","free":true,"starting_price":null},"status":"active","verified":false},"capabilities":[{"id":"awesome-foobara-mcp-connector__cap_0","uri":"capability://tool.use.integration.ruby.command.to.mcp.tool.exposition","name":"ruby command-to-mcp tool exposition","description":"Automatically wraps Foobara commands (Ruby domain objects with input/output contracts) as MCP tools by introspecting command class definitions, extracting parameter schemas, and generating tool manifests compatible with MCP protocol. Uses reflection on Foobara's command framework to map Ruby type definitions to JSON Schema for tool parameters and results, enabling seamless integration with MCP clients without manual tool definition.","intents":["I want to expose my existing Foobara commands as MCP tools without rewriting them","I need to make Ruby business logic callable from Claude or other MCP-compatible AI clients","I want to automatically generate tool schemas from my command definitions"],"best_for":["Ruby teams already using Foobara for command orchestration","Developers building AI agents that need to invoke existing Ruby business logic","Teams migrating from REST APIs to MCP for AI tool exposure"],"limitations":["Limited to Foobara command framework — requires commands to be structured as Foobara domain objects","Ruby-only implementation — no native support for exposing commands from other languages","Schema generation depends on Foobara's type system — complex custom types may require manual schema overrides"],"requires":["Ruby 2.7+","Foobara gem installed and configured","MCP client compatible with tool calling (Claude, etc.)","Foobara commands properly defined with input/output contracts"],"input_types":["Ruby Foobara command class definitions","Command parameter type annotations"],"output_types":["MCP tool manifest (JSON Schema)","Tool execution results as structured data"],"categories":["tool-use-integration","code-generation-editing"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-foobara-mcp-connector__cap_1","uri":"capability://data.processing.analysis.bidirectional.parameter.schema.mapping","name":"bidirectional parameter schema mapping","description":"Converts Foobara command input/output type definitions to JSON Schema for MCP tool parameters and results, and reverse-maps MCP tool call arguments back to Ruby objects. Handles type coercion, validation, and serialization across the Ruby-JSON boundary using Foobara's type system as the source of truth, ensuring type safety and contract enforcement on both sides.","intents":["I need to ensure type safety when AI clients call my Ruby commands via MCP","I want automatic validation of tool arguments against my command contracts","I need to serialize Ruby objects to JSON and deserialize JSON back to Ruby types"],"best_for":["Teams requiring strict type contracts between AI clients and Ruby backends","Developers building production AI agents that need input validation","Organizations with existing Foobara type definitions they want to reuse"],"limitations":["Schema generation fidelity depends on Foobara type system expressiveness — some advanced Ruby types may not map cleanly to JSON Schema","Circular type references or recursive schemas may require manual intervention","No built-in support for custom serializers — requires Foobara serialization configuration"],"requires":["Foobara command with defined input and output types","MCP client that validates tool arguments against provided schemas","Ruby 2.7+ with JSON support"],"input_types":["Foobara type definitions","MCP tool call arguments (JSON)"],"output_types":["JSON Schema for tool parameters","Ruby objects instantiated from JSON","JSON serialized command results"],"categories":["data-processing-analysis","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-foobara-mcp-connector__cap_2","uri":"capability://automation.workflow.mcp.server.lifecycle.management","name":"mcp server lifecycle management","description":"Manages the full lifecycle of an MCP server instance that exposes Foobara commands: initialization, tool registration, request routing, error handling, and graceful shutdown. Implements the MCP protocol state machine, handles concurrent tool calls, manages context between requests, and provides hooks for custom middleware or authentication logic.","intents":["I want to run an MCP server that exposes my Foobara commands","I need to handle multiple concurrent tool calls from MCP clients","I want to add authentication or logging middleware to my MCP server"],"best_for":["Teams deploying Foobara commands as a service for AI clients","Developers building multi-tenant AI agent platforms","Organizations needing production-grade MCP server infrastructure"],"limitations":["Single-process server — no built-in clustering or load balancing","State is in-memory — no persistence across server restarts without external store","Concurrent request handling limited by Ruby GIL — CPU-bound commands may bottleneck","No built-in rate limiting or quota management"],"requires":["Ruby 2.7+","Foobara gem","MCP client library or compatible client","Network connectivity between MCP client and server"],"input_types":["MCP protocol messages (JSON-RPC)","Tool call requests with arguments"],"output_types":["MCP protocol responses","Tool execution results","Error messages"],"categories":["automation-workflow","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-foobara-mcp-connector__cap_3","uri":"capability://automation.workflow.automatic.tool.discovery.and.registration","name":"automatic tool discovery and registration","description":"Scans a Foobara application's command namespace at startup, identifies all command classes matching configurable criteria (namespaces, tags, annotations), and automatically registers them as MCP tools without manual enumeration. Uses Ruby reflection to traverse the command hierarchy, extracts metadata from command definitions, and builds a dynamic tool registry that can be updated at runtime.","intents":["I want all my Foobara commands automatically exposed as MCP tools without listing them manually","I need to selectively expose commands based on tags or namespaces","I want new commands to be available as MCP tools immediately after deployment"],"best_for":["Teams with large numbers of Foobara commands","Developers building plugin architectures where commands are dynamically loaded","Organizations wanting zero-config tool exposure"],"limitations":["Discovery happens at server startup — dynamically added commands require server restart","Filtering logic is configuration-based — complex discovery rules may require code changes","No built-in conflict resolution for commands with identical names in different namespaces"],"requires":["Foobara commands organized in discoverable namespaces","Configuration file or environment variables specifying discovery criteria","Ruby 2.7+ with reflection capabilities"],"input_types":["Foobara command class definitions","Discovery configuration (namespaces, tags, patterns)"],"output_types":["Dynamic tool registry","MCP tool manifest"],"categories":["automation-workflow","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-foobara-mcp-connector__cap_4","uri":"capability://safety.moderation.error.handling.and.result.formatting.for.mcp","name":"error handling and result formatting for mcp","description":"Catches exceptions from Foobara command execution, formats them as MCP-compliant error responses with appropriate error codes and messages, and serializes successful results to JSON. Implements error categorization (validation errors, runtime errors, timeouts) and provides structured error context for debugging while maintaining MCP protocol compliance.","intents":["I want MCP clients to receive clear error messages when commands fail","I need to distinguish between validation errors and runtime failures","I want to log command failures for debugging without exposing sensitive details to clients"],"best_for":["Teams building production AI agents that need robust error handling","Developers debugging issues between Ruby commands and MCP clients","Organizations with compliance requirements for error logging"],"limitations":["Error messages are limited by MCP protocol — complex error structures may be flattened","Stack traces are not sent to clients by default — requires custom logging for debugging","No built-in error recovery or retry logic — clients must implement retries"],"requires":["Foobara command with error handling","MCP client that handles error responses","Logging infrastructure for error tracking"],"input_types":["Ruby exceptions from command execution","Foobara validation errors"],"output_types":["MCP error response (JSON-RPC error format)","Structured error logs"],"categories":["safety-moderation","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-foobara-mcp-connector__cap_5","uri":"capability://memory.knowledge.context.and.state.management.across.mcp.requests","name":"context and state management across mcp requests","description":"Maintains execution context (user identity, request metadata, session state) across multiple MCP tool calls within a single client session. Provides hooks for commands to access context, implements context isolation between concurrent requests, and allows commands to share state through a request-scoped context object that integrates with Foobara's command execution model.","intents":["I want my commands to access the MCP client's identity or session information","I need to share state between multiple tool calls in the same conversation","I want to implement per-user rate limiting or access control"],"best_for":["Teams building multi-user AI agent platforms","Developers implementing per-user command quotas or access control","Organizations needing audit trails of command execution by user"],"limitations":["Context is in-memory — lost on server restart without external persistence","No built-in session management — requires external session store for multi-server deployments","Context isolation relies on thread-local storage — may have issues with async Ruby code"],"requires":["MCP client that provides authentication or session metadata","Foobara commands designed to accept context parameters","Ruby 2.7+ with thread-local storage support"],"input_types":["MCP request metadata (client identity, headers)","Command execution context"],"output_types":["Request-scoped context object","Audit logs with user information"],"categories":["memory-knowledge","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0}],"trust":{"score":25,"verified":false,"data_access_risk":"moderate","permissions":["Ruby 2.7+","Foobara gem installed and configured","MCP client compatible with tool calling (Claude, etc.)","Foobara commands properly defined with input/output contracts","Foobara command with defined input and output types","MCP client that validates tool arguments against provided schemas","Ruby 2.7+ with JSON support","Foobara gem","MCP client library or compatible client","Network connectivity between MCP client and server"],"failure_modes":["Limited to Foobara command framework — requires commands to be structured as Foobara domain objects","Ruby-only implementation — no native support for exposing commands from other languages","Schema generation depends on Foobara's type system — complex custom types may require manual schema overrides","Schema generation fidelity depends on Foobara type system expressiveness — some advanced Ruby types may not map cleanly to JSON Schema","Circular type references or recursive schemas may require manual intervention","No built-in support for custom serializers — requires Foobara serialization configuration","Single-process server — no built-in clustering or load balancing","State is in-memory — no persistence across server restarts without external store","Concurrent request handling limited by Ruby GIL — CPU-bound commands may bottleneck","No built-in rate limiting or quota management","builder identity is not verified yet","no observed match outcomes yet"],"rank_breakdown":{"adoption":0.05,"quality":0.22,"ecosystem":0.39999999999999997,"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":"2026-06-17T09:51:03.040Z","last_scraped_at":"2026-05-03T14:00:18.053Z","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=foobara-mcp-connector","compare_url":"https://unfragile.ai/compare?artifact=foobara-mcp-connector"}},"signature":"jjeV5PNCRphF1/r1ns7pGwmasgnzCACGIiV9de2bVsmF+XSQA/H+mAqRPjSQHCkq8TD7U0dHqxs9mkHz9BaCCA==","signedAt":"2026-06-22T18:43:18.629Z","signedBy":"unfragile.ai","version":1},"_links":{"self":"https://unfragile.ai/api/v1/passport/foobara-mcp-connector","artifact":"https://unfragile.ai/foobara-mcp-connector","verify":"https://unfragile.ai/api/v1/verify?slug=foobara-mcp-connector","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"}}